i9 13900KS Vs Ryzen 7 7800X3D: Which Is Better In 2023?

The Ryzen 7 7800X3D is one of the best-performing CPUs you can find on the market from AMD, whereas Intel’s top offering is the Core i9 13900KS. Both take very different approaches to increasing the performance of their chip. In the Core i9 13900KS vs Ryzen 7 7800X3D comparison, we will look through all the differences between these chips, including the architecture and gaming performance.

Key Takeaways

• The Ryzen 7 7800X3D had 8% better performance than the i9 13900KS in our gaming tests.
• The AMD CPU also consumed 25% less power than the i9 13900KS.
• The 7800X3D is about 35% less expensive than the i9 13900KS.

Core i9 13900KS Vs Ryzen 7 7800X3D

Comparison Table

Architectural Differences

1. Process Nodes: The i9 13900KS uses a 10nm manufacturing process, whereas the Ryzen 7 7800X3D uses a 5nm manufacturing process. The more recent processing nodes on the Ryzen 7 7800X3D make it more power efficient.
2. Core Count: The AMD Ryzen 7 7800X3D features a total of 8 cores and 16 threads, while the Intel Core i9 13900KS has a significantly higher core count of 24 cores (16 Efficiency cores and 8 Performance cores) and 32 threads. 
3. Clock Speeds: The AMD Ryzen 7 7800X3D has a base clock of 4.2GHz and can boost up to 5.0GHz. On the other hand, the Intel Core i9 13900KS has a base clock of 2.40GHz, but it can boost up to an impressive 5.40GHz. 
4. Memory: Both processors have support for high-capacity memory. The AMD Ryzen 7 7800X3D supports DDR5 memory technology with a maximum memory capacity of 128GB. On the other hand, the Intel Core i9 13900KS supports DDR4 and DDR5 memory, with a maximum memory capacity of 128GB. 
5. Cache: The AMD Ryzen 7 7800X3D features a larger L3 cache of 96MB, which can improve data access and overall performance. The Intel Core i9 13900KS has a smaller L3 cache of 32MB.
6. TDP: The TDP (Thermal Design Power) of the AMD Ryzen 7 7800X3D is 120W, while the Intel Core i9 13900KS has a higher TDP of 253W.

Ryzen 7 7800X3D Vs Core i9 13900KS: Gaming Benchmarks

In this part of the Core i9 13900KS vs Ryzen 7 7800X3D comparison, we will see the difference in performance these processors have while gaming. To maximize the workload on the CPU, we decided to benchmark these chips on 1080p with high settings.

Also Read: Ryzen 7 7800X3D Vs i9-13900K

All these tests were performed in a controlled environment atop a test bench, the specifications of which are listed below:

• OS – Windows 10 pro
• MOBO – MSI MEG X670E ACE
• MOBO – Asus ROG Strix Z790 – E Gaming
• COOLER – CORSAIR ICUE H150I ELITE
• GPU – Asus TUF Gaming RTX 4090 24GB
• RAM – Corsair Dominator Platinum RGB 32GB DDR5 6000MHz RAM
• SSD – Samsung 980 PRO 2TB PCIe 4.0 NVMe M.2
• HDD – WD Blue 4TB Desktop Hard Disk Drive PSU CORSAIR RMX SERIES RM1000X 1000 WATT

Horizon Zero Dawn 

• In the first game in our testing, the 7800X3D takes the lead over the much more expensive 13900KS. The Ryzem CPU averaged about 250 FPS, whereas the Intel CPU managed 213 FPS.
• The disparity in performance continues through the 1% lows, where the Ryzen maintains 193 FPS, whereas the i9 maintains 179 FPS.
• The Ryzen also has impressively low power consumption while maintaining better performance. The Ryzen 7 7800X3D consumed 80 watts, while the i9 13900KS required a higher power draw of 126 watts.
• Regarding temperatures, both CPUs operated at comparable levels, with the Ryzen 7 7800X3D reaching a peak temperature of 72°C and the i9 13900KS operating at 71°C.

Hitman 3

• In Hitman 3, the Ryzen 7 7800X3D achieved an average of 233 FPS, while the i9 13900KS reached 222 FPS. Once again, the Ryzen had significantly better performance.
• Both CPUs delivered similar 1% lows during demanding gameplay sequences, with the Ryzen 7 at 175 FPS and the i9 at 168 FPS. This difference is noteworthy, though not noticeable.
• Regarding power consumption, the Ryzen 7 7800X3D consumed 131 watts, while the i9 13900KS required a lower power draw of 75 watts in Hitman 3.
• Regarding temperatures, both CPUs operated at different levels, with the 7800X3D reaching a hot peak temperature of 69°C and the 13900KS operating at 65°C.

Forza Horizon 5

• In Forza Horizon 5, the Ryzen 7 achieved an average of 216 FPS, while the i9 reached 209 FPS. The performance difference seems smaller here as Forza is a well-optimized title taking advantage of the tech on both CPUs.
• Both CPUs delivered similar 1% lows during demanding gameplay sequences, with the Ryzen 7 7800X3D at 178 FPS and the i9 13900KS at 172 FPS.
• In terms of power consumption, the 7800X3D consumed 70 watts, while the 13900KS required a higher power draw of 134 watts.
• Regarding temperatures, both CPUs operated at different levels, with the Ryzen 7 reaching a peak temperature of 75°C and the i9 operating at cooler 71°C.

Cyberpunk 2077

• In Cyberpunk 2077, the Ryzen 7 7800X3D achieved an average of 155 FPS, while the i9 13900KS delivered a slightly higher average of 161 FPS.
• Both processors provided similar 1% lows, with the Ryzen at 140 FPS and the i9 at 136 FPS.
• In terms of power consumption, the Ryzen CPU consumed 87 watts, while the i9 required a higher power draw of 126 watts.
• Regarding temperatures, both CPUs operated at comparable levels, with the Ryzen reaching a peak temperature of 69°C and the i9 operating at 67°C.

Also Check: Ryzen 7 7800X3D Vs i5-13600KF

Far Cry 6

• In Far Cry 6, the Ryzen 7 7800X3D brought back its significant lead in performance by achieving an average FPS of 196 FPS, surpassing the i9 13900KS with an average of 180 FPS.
• Both processors provided comparable 1% lows, with the Ryzen at 167 FPS and the i9 at 156 FPS. The difference in this game in terms of 1% lows is noticeable.
• In terms of power consumption, the Ryzen CPU consumed 78 watts, while the i9 required a significantly higher power draw of 112 watts.
• Talking about temperatures, both CPUs operated at similar levels, with the Ryzen reaching a peak temperature of 66°C and the i9 operating at 64°C.

Assassin’s Creed Valhalla

• In Assassin’s Creed Valhalla, the Ryzen 7 7800X3D achieved an average of 226 FPS, outperforming the i9 13900KS, which achieved an average of 212 FPS.
• The Ryzen CPU also delivered higher 1% lows, with 169 FPS compared to the i9’s 153 FPS.
• In terms of power consumption, the Ryzen CPU consumed 73 watts, while the i9 required a higher power draw of 134 watts.
• When it comes to temperatures, the Ryzen CPU operated at a lower peak temperature of 66°C, while the i9 reached a peak temperature of 70°C.

God Of War

• For the final game in our testing, God Of War had one of the smallest performance deltas. The Ryzen had an average of 212 FPS, whereas the Core i9 13900KS kept up with an average of 210 FPS.
• 1% lows were vastly different in this title. The Ryzen 7 7800X3D had 1% lows of 183 FPS, whereas the i9 13900KS had 1% lows of around 101 FPS.
• In terms of power consumption, the Ryzen CPU consumed 70 watts, whereas the i9 required a much higher power draw of 122 watts.
• The Ryzen operates at 65°C while the i9 was around 68°C at its peak in God Of War.

More Comparisons: Ryzen 7 7800X3D Vs Ryzen 9 7950X3D

Overall Performance

In this section of the Core i9 13900KS vs Ryzen 7 7800X3D comparison, we will look at the gaming tests’ findings to see which processor performs better.

Framerate

• The Ryzen 7 7800X3D has an average framerate of about 214 FPS during our testing, while the Core i9 13900KS has an average framerate of about 201 FPS.
• 1% lows were also significantly improved on the Ryzen. It maintained a framerate of about 172 FPS during the tests, whereas the i9 had 1% lows of about 152 FPS.

Overall, the Ryzen 7 7800X3D performed as expected after the performance we saw from its predecessor, the 5800X3D, the best-performing processor from the last generation.

The Ryzen had snappy performance in all games tested, while the i9 failed to catch up. This is very impressive as the 13900KS is a tier above the Ryzen and has much larger cores. The cache technology in the 7800X3D far exceeds the capabilities of Intel with its big little design, at least for gaming workloads.

Switching gears to performance per dollar, the Ryzen 7 absolutely demolishes the i9 with a 63% advantage. This means that the Ryzen 7 7800X3D is an example of the fringe case where the tech is better performant and much cheaper than the competition.

If you want to squeeze the most performance out of your hardware, take a look at our guide on overclocking.

Power

• The Ryzen CPU consumed around 89 watts on average in the games tested today.
• Conversely, the i9 had a much higher power draw of approximately 118 watts.

These results prove that the Ryzen 7800X3D can perform markedly better than any given Intel CPU (In gaming scenarios) while consuming less power despite Intel’s efforts to minimize power draw.

Also Check: Ryzen 9 7950X3D Vs i9-13900KS

The 33% higher power draw of the i9 not only means that you might need a new PSU to power this processor, but it might also factor into getting a higher power bill than you would with the Ryzen 7 7800X3D. 

If we look at the performance per watt of these CPUs, the Ryzen 7 7800X3D has about 41% more performance per watt than the i9 13900KS, which cements its incredible architecture as being the way to go for modern processors focused on gaming.

Temperatures

• In our tests, the i9 13900KS had an average peak temperature of 68°C.
• The Ryzen 7800X3D had an average peak temperature of around 69°C in our tests.

The temperature delta is not large enough to influence your buying decision, though it is important to note that both processors performed well within safe temperature margins during our tests.

Check out our guide on CPU temperatures while gaming to learn more about the safe thermal limits of most processors.

Price And Availability 

The MSRP of the Core i9 13900KS is $689, whereas you can find the Ryzen 7 7800X3D for about $449. The i9 is about 53.5% more expensive than the Ryzen 7 7800X3D.

Both these CPUs are popular and recent enough to be present at any computer parts store of your choosing, including e-commerce websites like Amazon and Newegg.

Which One Should You Go For?

After all this discussion about the performance and features of both these processors, in this part of the Core i9 13900KS vs Ryzen 7 7800X3D comparison, we will look at the demographic for each of these processors.

Despite the findings of our tests, the i9 13900KS has some significant advantages over the Ryzen 7 7800X3D. For one, this processor’s much higher core count allows it to excel at any multithreaded workload.

Also Read: Core i9 13900KS Vs Ryzen 9 7950X

This includes performing functions like video editing or 3D rendering. This processor is also very friendly to overclocking, unlike the 7800X3D, which runs the risk of frying your motherboard with small changes in voltages. If your use case resonates with any of these two scenarios, the i9 13900KS is better for you.

Shifting gears to the Ryzen 7 7800X3D, it earns our recommendation to most consumers. It offers top-of-the-line gaming performance while being cheaper and more power efficient than the i9 13900KS, giving it the crown of being the best processor for gaming on the planet.

Pros And Cons