GuidesComparisonsRX 7900 XT Vs RX 6800 XT

RX 7900 XT Vs RX 6800 XT [Gaming Benchmarks]

We test the cards in 1080p, 1440p, and 4K resolutions.

The Radeon RX 7900 XT is one of AMD’s ultimate graphics cards now available, and the Radeon RX 6800 XT is among the best graphics cards of the year 2020. Both graphics cards were enhanced with the most updated and top architectures and technologies of AMD available at the development time. In Radeon RX 7900 XT vs RX 6800 XT, we will discuss the explicit details, features, and performance in demanding games of each GPU.

Key Takeaways

  • The Radeon RX 7900 XT comes with the latest RDNA 3 architecture and NAVI 31 chip, while the Radeon RX 6800 XT has the RDNA 2 architecture and NAVI 21 chip.
  • The overall gaming performance of the Radeon RX 7900 XT is ~ 35-40% better than that of the Radeon RX 6800 XT.
  • Regarding power efficiency, the RX 7900 XT consumes much more power, and the Radeon RX 6800 XT is about 73.8% more energy efficient in gaming.
  • The RX 7900 XT is thermally 8% more efficient than the Radeon RX 6800 XT in gaming.
  • As stated by the manufacturer’s recommended retail price, the Radeon RX 6800 XT is $150 cheaper than the Radeon RX 7900 XT.

Radeon RX 7900 XT Vs RX 6800 XT

Comparison Table

Feature Radeon RX 7900 XT Radeon RX 6800 XT
Architecture RDNA 3 RDNA 2
Design Chip Navi 31 Navi 21
Product Family AMD Radeon RX 7000 Series AMD Radeon RX 6000 Series
Steam Processors 5376 4608
Shader Engines 6 0
Compute Units 84 72
Ray Accelerators 84 72
ROPs 192 128
Peak Single Precision Compute Performance 52 TFLOPs 20.74 TFLOPs
Peak Half Precision Compute Performance 103 TFLOPs 41.47 TFLOPs
Game Frequency 2000 MHz 2015 MHz
Boost Frequency Up to 2400 MHz Up to 2215 MHz
Peak Pixel Fill Rate Up to 460 GP/s Up to 288 GP/s
Peak Texture Fill Rate Up to 810 GT/s Up to 648 GT/s
Memory Type GDDR6 GDDR6
Memory Size 20GB 16GB
Memory Speed 20 Gbps 16 Gbps
Infinity Cache 80MB 128MB
Memory Bandwidth Up to 800 GB/s Up to 512 GB/s
Transistor Count 58 billion 26.8 billion
Required Power 315 W 300 W
Best Variants   Best RX 6800 XT Cards

Architecture

At the development time of Radeon RX 6800 XT, the RDNA 2 was the latest architecture of AMD. The company utilized the same architecture in the production of RX 6800 XT. AMD recently launched the Radeon RX 7900 XT with the latest RDNA 3 architecture.

The RDNA 2 is built on the 7nm manufacturing process and offers many upgrades over the prior RDNA architecture, including more cores, faster clock rates, and enhanced power efficiency. RDNA 2 supports AMD’s Infinity Fabric technology, enabling quick inter-GPU communication for high-performance computing operations. These improvements allow RDNA 2 to be a reliable GPU architecture for demanding applications like gaming, content creation, and analytical computations.

The RDNA 3 is built on the 5nm manufacturing process and is a fantastic improvement over RDNA2. It’s made for the next wave of effective, high-performance gaming. The fundamental improvements to the RDNA 3 design are increased core count, faster clock rates, and improved power efficiency. The AMD Radeon RX 7900 Series graphics cards offer next-generation breakthroughs in GPU design with new AI accelerators thanks to the AMD RDNA 3 architecture.

Also Read: RTX 4070 Ti Vs RX 7900 XT [Gaming & Comparison]

Design Chip

The chip used in the fabrication of AMD RX 7900 XT is the latest NAVI 31, while at the fabrication time of RX 6800 XT, the NAVI 21 chip was among the top and latest chips and was employed in the fabrication of RX 6800 XT.

The Navi 21 chip of AMD uses RDNA 2 architecture and is manufactured at TSMC employing a 7 nm fabrication technique. The chip has a die size of 520 mm² and contains 26,800 million transistors. Navi 21 supports DirectX 12 Ultimate, which assists in hardware raytracing, variable-rate shading, and more features. Navi 21 has 128 ROPs, 288 texture mapping units, and 5120 shading units. The chip has an additional 80 cores for raytracing acceleration.

The Navi 31 chip of AMD uses the RDNA 3 architecture of AMD. It is also manufactured at TSMC, but a 5 nm fabrication technique is employed in its manufacturing. Navi 31 contains 58 billion transistors. This chip also supports DirectX 12 Ultimate, which assists in hardware raytracing, and variable-rate shading. Navi 31 has 384 texture mapping units, 6144 shading units, 96 raytracing cores, and 192 ROPs.

A more significant number of cores, shading and texture mapping units, and ROPs helps the GPU to process the data faster. And all these Radeon RX 7900 XT parameters are more fantastic in RX 7900 XT vs RX 6800 XT.

Clock Speed

The base clock of AMD RX 7900 XT is 2000 MHz, while the base clock of Radeon RX 6800 XT is 2015 MHz. The more incredible clock speeds help the GPU operate faster and perform more in less time.

However, when it comes to turbo clocks, the maximum frequency of the RX 7900 XT is up to 2400 MHz, while the RX 6800 XT has a top clock of up to 2250 MHz. The boost clocks of RX 6800 XT and RX 7900 XT indicate that RX 7900 XT can deliver better performance in high-stress conditions and workloads.

GPU Memory

The memory type of both Radeon RX 6800 XT and RX 7900 XT is the same GDDR6. However, their memories differ in capacity, speed, caches, and bandwidth.

The memory size of RX 7900 XT is 20GB, while that of RX 6800 XT is 16GB. The RX 6800 XT has higher infinity caches of 128MB compared to the 80MB cache of the RX 7900 XT. 

When we reach the memory speed of two graphics cards, the RX 7900 XT has a 20% faster memory speed. The rate of RX 6800 XT is only 16 Gbps compared to the 20 Gbps of RX 7900 XT.

Comparing the memory interface width, the RX 7900 XT has a higher bus width of 384-bit, while the Radeon RX 6800 XT is only 256-bit. Concerning the memory bandwidth, the bandwidth of the Radeon RX 6800 XT is up to 512 GB/s, while that of the RX 7900 XT is up to 800 GB/s

The RX 7900 XT offers an advantage over the Radeon RX 6800 XT in all GPU memory characteristics and has approximately 30% better GPU memory.

Rendering Formats

In rendering formats, both graphics cards provide multiple options. The Radeon RX 7900 XT supports the AV1 encode, while the Radeon RX 6800 XT does not support the AV1 encode.

The other rendering formats supported by Radeon RX 6800 XT and RX 7900 XT include HDMI 4K support and AV1 decode. Both graphics cards support encoding and decoding in the 4K H264 video format. When contrasting two GPUs’ compatibility for the H265 or High-Efficiency Video Coding, the Radeon RX 7900 XT and Radeon RX 6800 XT support encoding and decoding.

Important Features

Some essential features supported by Radeon RX 7900 XT and Radeon RX 6800 XT include:

  • AMD Software: Adrenalin Edition
  • FidelityFX Super Resolution
  • VSR (4K)
  • AMD Noise Suppression
  • Radeon Super Resolution
  • AMD FreeSync Technology
  • AMD Smart Access Memory
  • AMD Radeon Boost
  • AMD Radeon Anti-Lag
  • AMD Enhanced Sync Technology
  • AMD Radeon Image Sharpening
  • AMD Radeon Chill
  • TrueAudio Next
  • The Vulkan API

The Radeon RX 7900 XT has got one advantage of AMD Mantle API. Radeon RX 6800 XT does not support this feature.

Related Article: Nvidia DLSS Vs AMD FSR

Gaming Benchmarks (7900 XT Vs 6800 XT)

The gaming execution is a fundamental differentiating factor in the performance comparison of two graphics cards. To better understand the gaming capabilities of both graphics cards, we will compare their performance in three series with different gaming resolutions (1080p, 1440p, and 4K). The gaming rig and the benchmarks source (Youtuber) of each series is different. 

In essence, the YouTubers record gameplay statistics of the graphics cards’ and CPUs’ performance using software like MSI Afterburner, etc. These numbers may sometimes be less accurate. That’s why it is unnecessary to state this as a disclaimer.

First Series – 1080p

In the first series of gaming performance comparisons, all the games were played at 1080p resolution. We compiled the figures for these games from Ancient Gameplays. The PC used to play games at 1080p resolution had the following specifications.

Testing PC Specifications

  • CPU: AMD Ryzen 7 7700X
  • Motherboard: MSI X670E Carbon Wifi
  • CPU Cooler: Noctua NH-D15S
  • RAM: 2x16Gb TridentZ5 6000MHz CL36 (6000 MHz CL32)
  • SSD: SAMSUNG 980 PRO SSD 2*1TB PCIe 4.0 NVMe M.2
  • PSU: Corsair RM750X (White) 750W 80+ Gold 
  • PC Case: Thermaltake View 51 TG

A Plague Tale: Requiem

Gaming Performance Graph
A Plague Tale: Requiem Benchmarks at 1080p – Image Credits [Tech4Gamers]
  • The Radeon RX 7900 XT performed ~53.6% better than Radeon RX 6800 XT in A Plague Tale: Requiem.
  • During the gameplay, the average frame rate by the Radeon RX 7900 XT was 232 FPS, while the Radeon RX 6800 XT could deliver an average of 151 FPS.
  • The Radeon RX 7900 XT consumed ~40.5% more power (355 watts) than Radeon RX 6800 XT (211 watts).
  • The average temperature of the Radeon RX 6800 XT during the gameplay was 76°C, while that of the Radeon RX 7900 XT was as low as 70°C.

Call Of Duty: Modern Warfare 2

Gaming Performance Graph
Call Of Duty: Modern Warfare 2 Benchmarks at 1080p – Image Credits [Tech4Gamers]
  • In Call Of Duty: Modern Warfare 2, the Radeon RX 7900 XT outperformed the Radeon RX 6800 XT by about 73.2%.
  • The Radeon RX 7900 XT produced an average frame rate of 213 FPS, while the Radeon RX 6800 XT could only manage 123 FPS in Radeon RX 7900 XT vs 6800 XT.
  • The Radeon RX 7900 XT used 342 watts of power in Call Of Duty: Modern Warfare 2, which is 160 W more than the Radeon RX 6800 XT (182 watts).
  • While playing, the Radeon RX 6800 XT’s average temperature was 71°C, while the Radeon RX 7900 XT’s temperature dropped as low as 66°C.

Also Check: RX 6800 XT Vs RTX 3080 Ti [Gaming Benchmarks]

Cyberpunk 2077

Gaming Performance Graph
Cyberpunk 2077 Benchmarks at 1080p – Image Credits [Tech4Gamers]
  • The Radeon RX 7900 XT performed ~41.3% better than the Radeon RX 6800 XT in Cyberpunk 2077.
  • In comparison to the Radeon RX 6800 XT (126 FPS), the Radeon RX 7900 XT delivered an average frame rate of 178 FPS while gaming.
  • In Cyberpunk 2077, the Radeon RX 6800 XT consumed 190 W power, while the Radeon RX 7900 XT consumed 331 W.
  • The Radeon RX 7900 XT’s temperature was 61°C during the gameplay, whereas the Radeon RX 6800 XT’s average temperature was 62°C.

Forza Horizon 5

Gaming Performance Graph
Forza Horizon 5 Benchmarks at 1080p – Image Credits [Tech4Gamers]
  • The Radeon RX 6800 XT performance was ~5.6% higher than the Radeon RX 7900 XT in Forza Horizon 5.
  • The Radeon RX 6800 XT offered a higher frame rate of 150 FPS in Forza Horizon 5, while the Radeon RX 7900 XT’s average was only 142 FPS.
  • During Forza Horizon 5, the Radeon RX 6800 XT used 136 watts of power, while the Radeon RX 7900 XT used 231 watts.
  • The Radeon RX 7900 XT had a temperature of 64°C in gameplay, compared to an average of 62°C for the Radeon RX 6800 XT.

Guardians of the Galaxy

Gaming Performance Graph
Guardians of the Galaxy Benchmarks at 1080p – Image Credits [Tech4Gamers]
  • The Radeon RX 7900 XT outperformed the Radeon RX 6800 XT by ~7.2% during Guardians of the Galaxy.
  • The Radeon RX 6800 XT provided a frame rate of 154 FPS compared to the Radeon RX 7900 XT’s average of 165 FPS.
  • During Guardians of the Galaxy, the Radeon RX 6800 XT used 146 watts of power, whereas the Radeon RX 7900 XT used 237 watts.
  • The Radeon RX 7900 XT had an average temperature of only 61°C as opposed to the Radeon RX 6800 XT’s average of 66°C in Radeon RX 7900 XT vs 6800 XT.

Rainbow Six Extraction

Gaming Performance Graph
Rainbow Six Extraction Benchmarks at 1080p – Image Credits [Tech4Gamers]
  • During Rainbow Six Extraction, the Radeon RX 7900 XT played ~52.8% better than the Radeon RX 6800 XT.
  • Compared to the average frame rate of 340 FPS of the Radeon RX 7900 XT, the Radeon RX 6800 XT offered 231 FPS.
  • The Radeon RX 6800 XT utilized 184 watts of power, while the Radeon RX 7900 XT used 327 watts during Rainbow Six Extraction.
  • The average temperature of the Radeon RX 7900 XT was only 62°C, while the average for the Radeon RX 6800 XT was as high as 68°C.

Also Read: RX 7900 XTX Vs RX 7900 XT [Difference & Benchmarks]

Second Series – 1440p

The games in the second series of gaming performance comparisons were run at 1080p resolution. We collected the gaming effectiveness figures of these games from Daniel Owen. The system exercised to play 1440p games had the following features.

Testing PC Specifications

  • CPU: AMD Ryzen 7 7700X
  • Motherboard: ASUS ROG Strix X670E-A Gaming WiFi 6E Socket AM5
  • Monitor: LG OLED C1 Series 48″ Alexa Built-in 4k Smart TV, 120Hz
  • RAM: Corsair Vengeance RGB DDR5 32GB (2x16GB) 6000MHz C36
  • SSD: SAMSUNG 980 PRO SSD 1TB PCIe 4.0 NVMe Gen 4 Gaming M.2
  • Case: CORSAIR iCUE 5000T RGB Mid-Tower ATX PC Case-208
  • Cooler: Corsair iCUE H150i RGB Elite Liquid CPU Cooler
  • PSU: Thermaltake Toughpower GF3 1650W 80+ Gold Full Modular ATX 3.0

A Plague Tale: Requiem

Gaming Performance Graph
A Plague Tale: Requiem Benchmarks at 1440p – Image Credits [Tech4Gamers]
  • The Radeon RX 7900 XT performance in A Plague Tale: Requiem at 1440p was ~34.5% better than Radeon RX 6800 XT.
  • The average frame rate delivered by Radon RX 6800 XT was only 84 FPS, while the Radeon RX 7900 XT produced a higher average of 113 FPS.
  • During the gameplay, the Radeon RX 7900 XT load was at full (100%) capacity, while the Radeon RX 6800 XT had 98% of its max capacity.
  • The Radeon RX 6800 XT (69°C) was operating at six degrees higher temperature than Radeon RX 7900 XT(63°C) in Radeon RX .

Call Of Duty: Modern Warfare 2

Gaming Performance Graph
Call Of Duty: Modern Warfare 2 Benchmarks at 1440p – Image Credits [Tech4Gamers]
  • During Call Of Duty: Modern Warfare 2 at 1440p, the Radeon RX 7900 XT performed approximately 38.5% better than the Radeon RX 6800 XT.
  • The Radeon RX 6800 XT only produced an average frame rate of 109 FPS, while the Radeon RX 7900 XT produced an average frame rate of 151 FPS.
  • During the gameplay, the Radeon RX 7900 XT was loaded to 100% during gameplay, and the Radeon RX 6800 XT was at 99% of its maximum capacity.
  • The Radeon RX 6800 XT (62°C) ran at a temperature five degrees higher than the Radeon RX 7900 XT (57°C) in Call Of Duty: Modern Warfare 2.

Cyberpunk 2077

Gaming Performance Graph
Cyberpunk 2077 Benchmarks at 1440p – Image Credits [Tech4Gamers]
  • The Radeon RX 7900 XT outperformed the Radeon RX 6800 XT in Cyberpunk 2077 by about 31%.
  • On average, only 84 FPS were produced by the Radeon RX 6800 XT, compared to 110 frames per second by the Radeon RX 7900 XT.
  • The Radeon RX 7900 XT was operating at 100% load during gameplay, whereas the Radeon RX 6800 XT was operating at 98% of its maximum capacity.
  • In Cyberpunk 2077, the Radeon RX 6800 XT (67°C) ran at a temperature nine degrees higher than the Radeon RX 7900 XT (58°C).

Fortnite

Gaming Performance Graph
Fortnite Benchmarks at 1440p – Image Credits [Tech4Gamers]
  • In Fortnite, the Radeon RX 7900 XT performed roughly 31.1% better than the Radeon RX 6800 XT.
  • The Radeon RX 6800 XT delivered 45 frames per second on average, whereas the Radeon RX 7900 XT produced 59 frames per second.
  • During gameplay, the Radeon RX 7900 XT was working at 100% capacity, while the Radeon RX 6800 XT was operating at 99% of its full load.
  • The Radeon RX 6800 XT operated at a temperature of 67°C, while the Radeon RX 7900 XT performed at 59°C in Fortnite.

Also Read: RX 7900 XT vs RTX 4080: Which Is Better?

God Of War

Gaming Performance Graph
God Of War Benchmarks at 1440p – Image Credits [Tech4Gamers]
  • In God Of War, the Radeon RX 7900 XT outperformed RX 6800 XT by about 43.6%.
  • In comparison to the Radeon RX 7900 XT producing 158 FPS average, the Radeon RX 6800 XT could only achieve an average of 110 frames per second.
  • The Radeon RX 7900 XT was operating at max capacity, whereas the Radeon RX 6800 XT was operating at 99% of total capacity in God Of War.
  • During the gameplay, the Radeon RX 7900 XT performed at 62°C while the Radeon RX 6800 XT ran at a three degrees higher temperature (65°C).

The Callisto Protocol

Gaming Performance Graph
The Callisto Protocol Benchmarks at 1440p – Image Credits [Tech4Gamers]
  • In The Callisto Protocol, the Radeon RX 7900 XT performed ~36% better than the Radeon RX 6800 XT.
  • The Radeon RX 7900 XT produced an average frame rate of 87 FPS, while the Radeon RX 6800 XT could only manage 64 FPS on average.
  • During The Callisto Protocol, the Radeon RX 6800 XT used 74% of its total capacity, whereas the Radeon RX 7900 XT worked at 71%.
  • In this gameplay, the operating temperature of the Radeon RX 7900 XT and Radeon RX 6800 XT was the same at 61°C.

Third Series – 2160p (4K)

In the last series assessing GPU ability, let us discuss the gameplays at 4K resolution. We got the benchmarks of these games from Mark PC

Testing PC Specifications

  • CPU: Intel Core i9-12900K 
  • Motherboard: MSI MAG Tomahawk AMD B550 Socket AM4 ATX DDR4-SDRAM
  • RAM: G.SKILL Trident Z Neo Series 32GB (4 x 8GB) 288-Pin RGB DDR4 SDRAM
  • SSD: SAMSUNG 980 PRO SSD 1TB PCIe 4.0 NVMe Gen 4 Gaming M.2
  • CPU Cooler: Lian Li GALAHAD AIO 360 RGB UNI FAN SL120 – Triple 120mm
  • PSU: Cooler Master V850 SFX Gold Full Modular, 850W, 80+ Gold Efficiency
  • PC Case: Lian Li O11DXL-X O11 Dynamic XL ROG Certified (Black) ATX Full Tower

Also Read: Ryzen 9 7900X vs Intel i9-12900K.

Assassin’s Creed Valhalla

Gaming Performance Graph
Assassin’s Creed Valhalla Benchmarks at 4K – Image Credits [Tech4Gamers]
  • The performance of the Radeon RX 7900 XT was 43.75% superior to that of the Radeon RX 6800 XT in Assassin’s Creed Valhalla.
  • The average FPS produced by Radeon RX 7900 XT was as high as 92, while the Radeon RX 6800 XT had a lower average of 64 FPS.
  • During Assassin’s Creed Valhalla, the load on Radeon RX 6800 XT was 96% of its total load capacity, while it was 97% on Radeon RX 7900 XT.
  • The Radeon RX 7900 XT was operating at a lower temperature of 70 degrees, while the Radeon RX 6800 XT was operating at 74°C in this game.

Doom Eternal

Gaming Performance Graph
Doom Eternal Benchmarks at 4K – Image Credits [Tech4Gamers]
  • In Doom Eternal, the Radeon RX 7900 XT performed ~44.2% better than the Radeon RX 6800 XT.
  • The Radeon RX 7900 XT delivered an average frame rate of 222 FPS, while the Radeon RX 6800 XT produced an average frame rate of only 154.
  • The load on Radeon RX 6800 XT during the gameplay was 95% of its maximum capacity, compared to 91% for Radeon RX 7900 XT.
  • During Doom Eternal, the Radeon RX 7900 XT ran at a temperature of 64°C, which is ten degrees lower than the Radeon RX 6800 XT’s temperature of 74°C.

Similar Comparisons: RX 7900 XT Vs RTX 3080 Ti: Which Is Better?

God Of War

Gaming Performance Graph
God of War Benchmarks at 4K – Image Credits [Tech4Gamers]
  • The Radeon RX 7900 XT outperformed by about 69% during God Of War.
  • Compared to the Radeon RX 6800 XT, which generated an average rate of just 58 FPS, the Radeon RX 7900 XT produced a higher average of 98 FPS.
  • The Radeon RX 7900 XT saw a 98% load during God of War, while the Radeon RX 6800 XT experienced a 97% load.
  • The Radeon RX 7900 XT executed this game at 75°C, three degrees cooler than the Radeon RX 6800 XT’s 78°C operating temperature.

Horizon Zero Dawn

Gaming Performance Graph
Horizon Zero Dawn Benchmarks at 4K – Image Credits [Tech4Gamers]
  • In Horizon Zero Dawn, the Radeon RX 7900 XT performed approximately 44.9% better than the Radeon RX 6800 XT.
  • The Radeon RX 7900 XT achieved an average frame rate of 110 FPS, which is 31 FPS higher than the Radeon RX 6800 XT’s average of 69 FPS.
  • This game put a 97% strain on the Radeon RX 7900 XT and a 99% strain on the Radeon RX 6800 XT.
  • The Radeon RX 6800 XT operated at 78°C during Horizon Zero Dawn, while the Radeon RX 7900 XT had a temperature of 74°C in this gameplay.

Red Dead Redemption 2

Gaming Performance Graph
Red Dead Redemption 2 Benchmarks at 4K – Image Credits [Tech4Gamers]
  • The Radeon RX 7900 XT outperformed the Radeon RX 6800 XT in Red Dead Redemption 2 by about 48%.
  • A frame rate of 80 FPS was averaged by the Radeon RX 7900 XT, while the average frame rate delivered by the Radeon RX 6800 XT was only 54 FPS.
  • The Radeon RX 7900 XT and Radeon RX 6800 XT were under 96% and 97% load, respectively, in Red Dead Redemption 2.
  • While playing Red Dead Redemption 2, the Radeon RX 6800 XT worked at a temperature of 77°C, while the Radeon RX 7900 XT performed at 67°C.

Watch Dogs Legion

Gaming Performance Graph
Watch Dogs Legion Benchmarks at 4K – Image Credits [Tech4Gamers]
  • In Watch Dogs Legion, the Radeon RX 7900 XT offered 67% better performance than the Radeon RX 6800 XT.
  • The Radeon RX 7900 XT averaged 82 frames per second, while the Radeon RX 6800 XT could only muster up an average of 49 FPS.
  • During this gameplay, there was a 98% load on the Radeon RX 7900 XT and a 99% load on the Radeon RX 6800 XT, respectively.
  • The Radeon RX 6800 XT and Radeon RX 7900 XT had average temperatures of 77°C and 68°C, respectively, in Watch Dogs Legion.

Overall Gaming Analysis

After examining how the Radeon RX 7900 XT and RX 6800 XT performed in various games at various resolutions, let’s look at their general behavior. Here we will check out their frame rate performance, thermal and power efficiency, and the load under which the GPUs were operating in the above games.

Performance

At 1080p

Overall Gaming Performance at 1080p – Image Credits [Tech4Gamers]
During the first series of benchmarks, the Radeon RX 7900 XT achieved an overall lead of 55.9 FPS over the Radeon RX 6800 XT. The overall frame rate produced by Radeon RX 7900 XT comes out to be 211.7 FPS, while that of the Radeon RX 6800 XT comes out as 155.8 FPS.

The Radeon RX 7900 XT had high FPS performance in all the above-discussed games at 1080p resolution except Forza Horizon 5. In Forza Horizon 5, the Radeon RX 6800 XT produced a shocking eight FPS higher average. The other frame rates, like Low 1% FPS, Low 0.1 FPS, and the minimum and maximum frame rates, all delivered by Radeon RX 7900 XT, were higher than the Radeon RX 6800 XT in 1080p games.

Also Read: RX 7900 XT Vs RTX 3080 [Gaming Benchmarks 2023]

The overall frame rate performance of the Radeon RX 7900 XT was ~35.9% superior to the Radeon RX 6800 XT in the first series (1080p games).

At 1440p

Overall Gaming Performance
Overall Gaming Performance at 1440p – Image Credits [Tech4Gamers]
In the second series of benchmarks, the Radeon RX 7900 XT outperformed the Radeon RX 6800 XT overall by 30.3 frames per second. The Radeon RX 7900 XT delivered an overall frame rate of 113 FPS, while the Radeon RX 6800 XT turned over an average of 82.7 FPS.

In every game, playing at 1440p resolution, the Radeon RX 7900 XT outperformed the Radeon RX 6800 XT. The Radeon RX 6800 XT could win no competition in the second series, even with a slight lead. In the 1440p games, the Radeon RX 7900 XT outperformed the Radeon RX 6800 XT in terms of overall frame rate performance by ~36.6%.

At 4K

Overall Gaming Performance
Overall Gaming Performance at 4K – Image Credits [Tech4Gamers]
In the third series (4K resolution games) of Radeon RX 7900 XT vs 6800 XT, the Radeon RX 7900 XT delivered more overall 39.3 frames per second than the Radeon RX 6800 XT. While the Radeon RX 6800 XT generated a mean frame rate of 74.7 FPS, the Radeon RX 7900 XT achieved an overall frame rate of 113 FPS at 4K resolution.

While playing at 4K, the Radeon RX 7900 XT outperformed the Radeon RX 6800 XT in every game. Even with a narrow lead, the Radeon RX 6800 XT could not win any game at the 4K gaming resolution. The Radeon RX 7900 XT offered frame rates higher than Radeon RX 6800 XT, in Low 1% FPS, Low 0.1 FPS, and the minimum and maximum frame rates. The Radeon RX 7900 XT was ~52.6% better than the Radeon RX 6800 XT in 4K games.

GPU Load

GPU Load
Average GPU load during 1440p + 4K games – Image Credits [Tech4Gamers]
The overall GPU load difference between Radeon RX 6800 XT and Radeon RX 7900 XT in 1440p and 4K games was only 0.1%. The Radeon RX 7900 XT had an average load of 95.7% in 1440p plus 4K games, while the Radeon RX 6800 XT had a 95.8% load.

When we see the load figures in 1440p games, the Radeon RX 7900 XT had the max (100%) load in A Plague Tale: Requiem, Call Of Duty: Modern Warfare 2, Cyberpunk 2077, Fortnite, and God Of War. However, the overall load in 1440p + 4K games on the Radeon RX 6800 XT was 0.1% higher than the Radeon RX 7900 XT.

Thermal Efficiency

At 1080p

Overall Gaming Temperature
Overall Gaming Temperature at 1080p – Image Credits [Tech4Gamers]
The average operating temperature of the Radeon RX 7900 XT was 3.5 lower than the Radeon RX 6800 XT during 1080p games. In the first series, the overall temperature of the Radeon RX 6800 XT was 67.5°C, while that of the Radeon RX 7900 XT was 64°C.

Also Check: RX 6800 XT Vs RTX 3070 Ti [Gaming Benchmarks]

When we see the individual game temperatures of the Radeon RX 6800 XT and Radeon RX 7900 XT, there is a disparity in Forza Horizon 5, in which the Radeon RX 6800 XT had the lower operating temperature. However, the Radeon RX 7900 XT exhibited an overall thermal efficiency of ~5.5% in 1080p games.

At 1440p

Overall Gaming Temperature
Overall Gaming Temperature at 1440p – Image Credits [Tech4Gamers]
During the 1440p games, the average operating temperature of the Radeon RX 6800 XT was 5.2 degrees higher than that of the Radeon RX 7900 XT. The Radeon RX 6800 XT’s average temperature was 65.2°C, whereas the Radeon RX 7900 XT’s was 60°C.

In The Callisto Protocol, the operating temperatures of the Radeon RX 6800 XT and Radeon RX 7900 XT were the same. The Radeon RX 6800 XT had higher operating temperatures than the Radeon RX 7900 XT in the rest of the 1440p games. In 1440p games, the Radeon RX 7900 XT displayed an overall thermal efficiency of 8.7%.

At 4K

Overall Gaming Temperature
Overall Gaming Temperature at 4K – Image Credits [Tech4Gamers]
The Radeon RX 7900 XT’s average operating temperature during 4K games was 6.9 degrees lower than the Radeon RX 6800 XT’s. The average temperature of the Radeon RX 6800 XT was 76.3°C, whereas that of the Radeon RX 7900 XT was 69.7°C.

In all the 4K games, the Radeon RX 6800 XT operated at higher temperatures than the Radeon RX 7900 XT. The overall thermal efficiency of the Radeon RX 7900 XT in 4K games was ~10%.

Power Efficiency – At 1080p

Overall Power Consumption
Average Power Consumption during 1080p games – Image Credits [Tech4Gamers]
The Radeon RX 7900 XT consumed 129 watts more power than the Radeon RX 6800 XT during 1080p games. The overall power consumption of the Radeon RX 6800 XT and Radeon RX 7900 XT was 174.8 W and 303.8 W, respectively.

During the choice of a graphics card, power consumption is a crucial factor. It affects the cost of the electricity bill. As the figures indicate, the Radeon RX 7900 XT is a very power-hungry GPU compared to Radeon RX 6800 XT, so the Radeon RX 7900 XT would increase the electricity cost. Thus, the Radeon RX 6800 XT would be a better option for users who can not afford high bills. The Radeon RX 6800 XT is 73.8% more power efficient overall than the Radeon RX 7900 XT.

Price And Availability

AMD launched the Radeon RX 6800 XT with a price tag of $649 at the end of the year 2020, and AMD launched the Radeon RX 7900 XT at $899 at the end of 2022.

Since these graphics cards come with many variants, their prices may differ. For example, the GPUs manufactured by Gigabyte, MSI, and ASUS are relatively more expensive than others.

There is no problem with Radeon RX 6800 XT and Radeon RX 7900 XT being available. Both these graphics cards are readily available in the offline market and online stores like Amazon, eBay, and Aliexpress.

Which One Should You Go For?

Before presenting a suggestion, let us review the features and performance of the Radeon RX 6800 XT vs RX 7900 XT. 

The Radeon RX 7900 XT is one of the latest GPUs of AMD with advanced RDNA 3 architecture and NAVI 31 chip manufactured in a 5nm process. And the Radeon RX 6800 XT has the RDNA 2 architecture and NAVI 21 chip fabricated in a 7nm process.

The Radeon RX 7900 XT has six shader engines, which are absent in Radeon RX 6800 XT. If we see the steam processors, compute units, ray accelerators, ROPs, Peak Single Precision Compute Performance, and Peak Half Precision Compute Performance, the Radeon RX 7900 XT has higher figures in all these compared to Radeon RX 6800 XT.

Also Read: RTX 3080 Vs. RX 6800 XT [Gaming Benchmarks]

The maximum clock of the Radeon RX 6800 XT is up to 2215 MHz, while that of the Radeon RX 7900 XT is up to 2400 MHz. The Peak Pixel Fill Rate and the Peak Texture Fill Rate of the Radeon RX 7900 XT are also higher.

Regarding GPU memory, the Radeon RX 6800 XT has 16GB GDDR6 with 16 Gbps speed, 128MB infinity caches, and up to 512 Gbps bandwidth. And the Radeon RX 7900 XT has 20GB GDDR6 memory with 20 Gbps speed, 80MB infinity caches, and up to 800 Gbps bandwidth.

The required power (315 W) and power consumption of the Radeon RX 7900 XT are higher than the Radeon RX 6800 XT (300 W). However, the Radeon RX 7900 XT is ~8% thermally more efficient than Radeon RX 6800 XT in gaming.

The gaming performance of the Radeon RX 7900 XT is more outstanding than the Radeon 6800 XT. In figures, the Radeon RX 7900 XT performed 35.9% better in 1080p games, 36.6 better in 1440p games, and 52.6% better in 4K games.

After all this, we recommend you go for the Radeon RX 7900 XT. Because the Radeon RX 7900 XT is newly launched and has the latest architecture and chip, better memory, and superior performance, it would be a better option.

Moreover, the performance-to-price ratio of the Radeon RX 7900 XT is also higher than the Radeon RX 6800 XT.

However, if you are low on budget and Radeon RX 7900 XT does not suit you, the Radeon RX 6800 XT is also a fabulous graphics card. The performance of the Radeon RX 6800 XT is outstanding when not compared to the latest high-priced graphics cards.

Frequently Asked Questions

Which GPU is better for gaming, Radeon RX 6800 XT or Radeon RX 7900 XT?

The Radeon RX 7900 XT is a better graphics card for gaming. The Radeon RX 7900 XT performs ~35.9% better in 1080p games, and 36.6% in 1440p games than the Radeon RX 6800 XT. Its performance is ~52.6% better in 4K games.  

Which GPU has more steam processors, ROPs, and Ray accelerators, Radeon RX 6800 XT or Radeon RX 7900 XT?

The Radeon RX 7900 XT is the answer. The Radeon RX 7900 XT has 5376 steam processors, 192 ROPs, and 84 ray accelerators. And the Radeon RX 6800 XT has 4608 steam processors, 128 ROPs, and 72 ray accelerators.

How much memory do the Radeon RX 6800 XT and Radeon RX 7900 XT have?

The Radeon RX 6800 XT contains 16GB of GDDR6 memory with a speed of 16 Gbps and a bandwidth of up to 512 Gbps. And the Radeon RX 6800 XT includes 20GB of GDDR6 memory with a rate of 20 Gbps and a bandwidth of up to 800 Gbps.

What is the architecture of the Radeon RX 7900 XT?

The Radeon RX 7900 XT comes with AMD’s latest RDNA 3 architecture with NAVI 31 chip.

Which GPU provides better value for money, Radeon RX 6800 XT or Radeon RX 7900 XT?

The Radeon RX 7900 XT provides better value for money. It has wonderful features and a high performance-to-price ratio compared to the Radeon RX 6800 XT.

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Ali
Ali
What started out as a love for PC gaming turned into an enthusiasm for PC tech and hardware. Ali is a high school graduate who aspires to be a dentist. On the side, Ali likes to keep up with the latest in PC tech, and write about it.

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