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RTX 3080 (10GB) Vs RTX 3080 (12GB): Benchmarks & Difference

The ultimate test between Nvidia's two RTX 3080 cards will answer all your questions!

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I had the opportunity to explore the Nvidia GeForce RTX 3080 12GB, a lesser-known variant compared to the familiar 10GB model. Surprisingly, the 12GB version offers improved performance. In this article, I’ll delve into the distinctions between the RTX 3080 (10GB) vs RTX 3080 (12GB) to provide a comprehensive comparison and help you make an informed choice.

Key Takeaways

  • According to my personal experience, I’ve observed that the RTX 3080 10GB and 12GB variants come with distinct specifications, with the 12GB version offering a performance advantage of around 6.9% over the RTX 3080 10GB.
  • When it comes to temperature management, the RTX 3080 12GB maintains a 0.2% cooler profile compared to the RTX 3080 10GB, a minor difference I’ve observed. However, it also consumes more power, around 18.1%.
  • Pricing-wise, the RTX 3080 12GB tends to be $100 to $200 more expensive than its 10GB counterpart, with water-cooled variants adding an additional $200 premium over the RTX 3080 12GB, based on my findings.
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Comparison Table

Technical Specs GeForce RTX 3080 (10GB) GeForce RTX 3080 (12GB)
GPU Name GA102 GA102
Architecture Ampere Ampere
Transistors 28,300 million 28,300 million
Shading Units 8704 8960
Tensor Cores 272 280
RT Cores 68 70
TMUs 272 272
ROPs 96 96
L1 Cache 128 KB (per SM) 128 KB per Array
L2 Cache 5 MB 5 MB
Memory Bus Width 320 bit 384 bit
Memory Bandwidth 760.3 GB/s 912.4 GB/s
Suggested PSU 700W 750W
Release Date Sep 1st, 2020 Jan 11th, 2022
Approximated Price 800 USD 1000 USD
Best Variants BEST RTX 3080 Cards  

Architectural Differences

  1. Process Node: In my analysis, both the RTX 3080 (10GB) and RTX 3080 (12GB) share an 8nm process node for their GPUs.
  2. Clock Speed: Examining clock speeds, I’ve observed that the RTX 3080 (10GB) features a base clock of 1440 MHz and a boost clock of 1710 MHz, while the RTX 3080 (12GB) boasts a base clock of 1260 MHz and the same boost clock of 1710 MHz.
  3. VRAM: When it comes to VRAM, the RTX 3080 (10GB) is equipped with 10GB of GDDR6X memory, whereas the RTX 3080 (12GB) boasts 12GB of GDDR6X VRAM.
  4. TDP: In terms of thermal design power (TDP), I’ve found that the RTX 3080 (10GB) has a 320W TDP, while the RTX 3080 (12GB) features a slightly higher TDP of 350W.
  5. Supported Technologies: Both the RTX 3080 (10GB) and RTX 3080 (12GB) support DLSS (Deep Learning Super Sampling), which enhances gaming performance through AI-driven upscaling, based on my observations.

Also Read: RTX 3080 Vs 3080 Ti

RTX 3080 (10GB) Vs RTX 3080 (12GB): Gaming Benchmarks

Benchmark tests are essential to assess the performance gap between graphics cards accurately. I’ve personally conducted tests on both the RTX 3080 10GB and RTX 3080 12GB, utilizing my robust i9-12900K processor and 16GB of RAM for a comprehensive evaluation.

Red Dead Redemption 2

Red Dead Redemption 2
Red Dead Redemption 2 (1440p) Gaming Benchmarks – Image Credits (Tech4Gamers)
  • In my tests at 1440p resolution, the RTX 3080 12GB showcased a 5 FPS advantage, with an average of 120 FPS compared to the 10GB version’s 115 FPS, reflecting consistent fluctuations.
  • Impressively, temperatures reached only about 72°C for both graphics cards, although the 12GB version displayed more consistent values.
  • In terms of power consumption, the 10GB model consumed approximately 310W, while the 12GB model exhibited significant oscillations, ranging from 379 to 401W, with an average consumption of 390W.
  • Examining 1% lows, the RTX 3080 10GB maintained stability at 68-74 FPS, hovering around 72 FPS. In contrast, the 12GB variant exhibited larger fluctuations, ranging around 59 FPS.

Similar Comparisons: RTX 3080 Vs RX 6900 XT

Forza Horizon 5

Forza Horizon 5
Forza Horizon 5 (1440p) Gaming Benchmarks – Image Credits (Tech4Gamers)
  • While going over Forza Horizon 5, both GPUs delivered a solid performance with an average FPS exceeding 90. The margin between them was minimal, with the RTX 3080 10GB achieving an average of 94 FPS, while the RTX 3080 12GB reached 97 FPS.
  • In terms of temperatures, I found that the RTX 3080 12GB demonstrated a slight decrease compared to the 10GB variant. While the 12GB version’s temperatures fluctuated from 59°C to 66°C, it predominantly operated at an average of 62°C. In contrast, the RTX 3080 10GB maintained a consistent temperature of 69°C.
  • When considering power consumption, the RTX 3080 with lower VRAM consumed power ranging from 245W to 284W, with an average consumption of 275W. On the other hand, the 12GB model exhibited a minimum consumption of 253W and a maximum of 303W, with an average power consumption of 293W.
  • The difference in average 1% lows was similarly slight in my testings, with the 10GB version hovering around 80 FPS and the 12GB model staying at 81 FPS.

God Of War 

God Of War
God Of War (1440p) Gaming Benchmarks – Image Credits (Tech4Gamers)
  • At 1440p resolution while playing God of War, I saw the RTX 3080 10GB achieve an average of approximately 110 FPS, while the 12GB model delivered an average of 119 FPS, showcasing a performance advantage for the latter.
  • In terms of temperatures, my benchmarks revealed both the RTX 3080 10GB and 12GB operated at 74°C.
  • Power consumption varied, with the RTX 3080 10GB utilizing around 317W of power, ranging from a minimum of 313W to a maximum of 322W. In contrast, the 12GB model consumed approximately 398W of power, occasionally reaching 404W.
  • Examining 1% lows, the RTX 3080 10GB maintained a minimum of 80 FPS, whereas the RTX 3080 12GB exhibited an average of 86 FPS as the lowest achieved FPS.

Check More: RTX 3080 Vs RX 6800 XT

Far Cry 6 

Far Cry 6
Far Cry 6 (1440p) Gaming Benchmarks – Image Credits (Tech4Gamers)
  • Starting off, the RTX 3080 10GB averaged 123 FPS, while the RTX 3080 12GB delivered a slightly higher average of 129 FPS.
  • In terms of temperatures, the RTX 3080 10GB impressively averaged 62°C. Meanwhile, the 12GB variant averaged 68°C.
  • Regarding power consumption, I found that the RTX 3080 10GB consumed approximately 295W, occasionally reaching 305W. In contrast, the RTX 3080 12GB consumed 30W more on average, hovering around 330W.
  • Examining 1% lows during my testings, the RTX 3080 10GB occasionally dropped to 68 FPS but mostly maintained around 80 FPS. Conversely, the 12GB variant mostly stayed above 80 FPS but occasionally dipped to 76 FPS.


PUBG (1440p) Gaming Benchmarks – Image Credits (Tech4Gamers)
  • Again showing a similar picture to my previous benchmarks, the RTX 3080 10GB achieved an average of 201 FPS, showcasing consistency with fewer fluctuations in FPS. In contrast, the RTX 3080 12GB exceeded expectations, averaging about 224 FPS and delivering over 20 FPS more than the 10GB model.
  • Surprisingly, both graphics cards exhibited almost identical temperatures of 73°C at 1440p, with the 12GB model maintaining only a 1°C variation.
  • In the realm of power consumption, my tests revealed that the RTX 3080 10GB averaged around 308W, fluctuating between 302W and 314W. In contrast, the power-hungry 12GB RTX 3080 consumed about 395W on average, resulting in an over 85W difference when comparing the two GPUs’ performance.
  • In terms of 1% low FPS, I saw a close battle. The RTX 3080 10GB hit a minimum of 133 FPS. The 12GB RTX 3080 achieved a minimum of approximately 137 FPS.

Also Read: RX 5700 XT Vs RTX 3080

Overall Gaming Performance 

Since all the benchmark tests of my RTX, 3080 10GB vs RTX 3080 12GB benchmarks are out of the way. It is time to conclude the results by comparing the two GPUs in their performance by portraying a graph that showcases each of their areas. This provides you with clarity as to which card is better in what field. 

Average Framerates

Average Framerates
Average Framerates (1440p) Gaming Benchmarks – Image Credits (Tech4Gamers)
  • Beginning with the average FPS, the RTX 3080 10GB averaged 128.6 FPS, whereas the RTX 3080 12GB achieved an average of 137.8 FPS.
  • This performance disparity resulted in a 6.9% difference in FPS performance between these two competitors.

Similar Comparisons: RX 6700 XT Vs RTX 3080

Average Power Consumption

Average Power Consumption
Average Power Consumption (1440p) Gaming Benchmarks – Image Credits (Tech4Gamers)
  • Moving on to the average power consumption at 1440p, the RTX 3080 10GB exhibited an average power consumption of 301W, while the RTX 3080 12GB consumed an average of 361.2W.
  • This disparity in power consumption translates to an 18.1% difference in power efficiency between the respective GPUs.

Also Check: RTX 4070 Ti Vs RTX 3080

Average Thermal Statistics

Average Thermal Statistics
Average Thermal Statistics (1440p) Gaming Benchmarks – Image Credits (Tech4Gamers)
  • Finally, going into the thermal statistics according to my tests, the RTX 3080 10GB maintained an average temperature of 70°C, whereas the RTX 3080 12GB averaged 69.8°C.
  • This minor variation in temperatures results in a negligible 0.2% difference in thermal efficiency between the two cards.

Read More: RX 7900 XT Vs RTX 3080

RTX 3080 10GB Vs RTX 3080 12GB: Price And Availability

  • According to my research in the market, the RTX 3080 10GB, released two years prior to the 12GB variant, received an updated V2 version without a hash rate limiter, benefiting cryptocurrency mining performance.
  • Initially priced at $699 MSRP, the RTX 3080 10GB has experienced a significant price increase over time, with the cheapest cards now selling for slightly over $800 on Newegg.
  • In contrast, the RTX 3080 12GB, while slightly more expensive than the 10GB variant in some cases, is available for approximately $1000 on Newegg.

RTX 3080 (10GB) Vs RTX 3080 (12GB): Which One Would I Recommend? 

  • If you prioritize gaming performance, I recommend the RTX 3080 12GB, which delivers a 6.9% higher average FPS at 1440p compared to the RTX 3080 10GB.
  • For those concerned about power efficiency, the RTX 3080 10GB is the better choice, consuming 18.1% less power at 1440p.
  • If thermal efficiency is your priority, both cards perform similarly, with only a negligible 0.2% temperature difference.

Also Check: RTX 4080 Vs RTX 3080

Pros And Cons

GPU Pros Cons
GeForce RTX 3080 (10GB)
  • Remarkable performance improvement over the previous generation.
  • Exceptional gaming experience at 4K and 1440p resolutions.
  • Aesthetic drawback with the 12-pin power adapter.
  • A limited VRAM capacity of 10GB might pose concerns for long-term 4K gaming.
GeForce RTX 3080 (12GB)
  • Enhanced memory bandwidth for improved performance.
  • Remains a more reliable choice for 4K gaming.
  • Significantly higher price compared to the 10GB model.
  • Limited performance gains over the 10GB model.


Does the RTX 3080 12GB only differ in terms of VRAM from the RTX 3080 10GB?

Many features are changed in the RTX 3080 12GB, such as higher RT cores, tensor cores, CUDA cores, memory bus, memory bandwidth, and TDP. These features aid in the improvement of the overall performance of the graphic card.

Is the RTX 3080 12GB worth it?

When I disregard the cheaper and the most expensive versions of the RTX 3080 12, it costs slightly more than the RTX 3080 10GB. However, with all of its features, the performance improvement is about 5-6%. Therefore, getting the RTX 3080 10GB is a better option if you are on a tight budget.

Does the RTX 3080 12GB consume more power than the RTX 3080 10GB?

With the increased performance, the RTX 3080 12GB does fall on the extremely power-hungry side on all resolutions. Sometimes, it consumes more than its own 350 W of TDP.

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