AMD Ryzen 7 9800X3D and Ryzen 7 5800X3D CPUs have 96MB of L3 cache, which boosts their performance in games. Let’s find out which is better.

Both the Ryzen 7 9800X3D and the Ryzen 7 5800X3D are AMD’s special X3D CPUs designed specifically for gaming, but they belong to two very different generations. Therefore, their performance capabilities are also quite different, especially in gaming. But how significant is that difference? That’s exactly what we plan to find out in this article by doing a detailed comparison of the Ryzen 7 9800X3D and the Ryzen 7 5800X3D. Read on to learn more.
Note: Parts of this article are subjective and reflect the writer’s opinions.
AMD Ryzen 7 9800X3D vs Ryzen 7 5800X3D: Detailed Comparison
The Ryzen 7 9800X3D is based on the latest Zen 5 architecture, while the Ryzen 7 5800X3D is designed on the older Zen 3. The former also has a much higher clock speed than the latter. There are more differences between the two processors. Let’s look at their specs to get a better understanding of what they are capable of.
Specs Comparison

Here are the specs of the Ryzen 7 9800X3D and Ryzen 7 5800X3D:
Specifications | Ryzen 7 9800X3D | Ryzen 7 5800X3D |
---|---|---|
Architecture | Zen 5 | Zen 3 |
Core/Thread count | 8/16 | 8/16 |
Max clock speed | 5.2 GHz | 4.5 GHz |
L3 cache | 96 MB | 96 MB |
RAM support | DDR5-5600 | DDR4-3200 |
PCIe Gen support | Gen 5 | Gen 4 |
Platform Socket | AM5 | AM4 |
Thermal design power (TDP) | 120W Typical | 162W Max | 105W Typical | 142W Max |
Manufacturing nodes | 4nm, 6nm | 7nm, 12nm |
According to the specs table, the Ryzen 7 9800X3D and Ryzen 7 5800X3D have the same core count, but the former supports faster DDR5 RAM, PCIe Gen 5 support for faster SSDs, and a higher clock speed. Let’s see how the two CPUs perform in benchmarks.
Also, since the Ryzen 7 9800X3D is built for the AM5 platform, it is somewhat future-proof. However, the Ryzen 7 5800X3D is not, since it supports the older AM4 platform.
Synthetic Performance Comparison
Here’s how the Ryzen 7 9800X3D and Ryzen 7 5800X3D perform in popular synthetic benchmarks:
Benchmarks | Ryzen 7 9800X3D | Ryzen 7 5800X3D |
---|---|---|
Cinebench R23 (Single-Core) | 2073 | 1453 |
Cinebench R23 (Multi-Core) | 23334 | 14804 |
Geekbench 6 (Single-Core) | 3315 | 2113 |
Geekbench 6 (Multi-Core) | 18350 | 11198 |
Passmark CPU (Single-Core) | 4431 | 3234 |
Passmark CPU (Multi-Core) | 39995 | 28307 |
The Ryzen 7 9800X3D is around 44% faster than the Ryzen 7 5800X3D in single-core benchmarks, which is a substantial improvement.
However, in multi-core benchmarks, the former delivers 50.3% more performance than the latter, which is even higher than the single-core performance improvement. Therefore, the Ryzen 7 9800X3D is faster and the better choice for both productivity and day-to-day usage.
Game Performance Comparison
Here’s how the Ryzen 7 9800X3D and Ryzen 7 5800X3D handle some of the popular games on the market:
Games | Ryzen 7 9800X3D | Ryzen 7 5800X3D |
---|---|---|
The Last Of Us: Part 1 | 190 FPS | 137 FPS |
Hogwarts Legacy | 85 FPS | 59 FPS |
Cyberpunk 2077 | 221 FPS | 154 FPS |
Hellblade 2 | 167 FPS | 123 FPS |
Horizon Forbidden West | 230 FPS | 205 FPS |
God Of War | 347 FPS | 292 FPS |
Marvel’s Spider-Man Remastered | 218 FPS | 170 FPS |
Ghost Of Tsushima | 209 FPS | 200 FPS |
Starfield | 142 FPS | 108 FPS |
Note: The two CPUs were tested at 1080p resolution with the RTX 4090 GPU to eliminate any GPU bottleneck. All FPS numbers were sourced from the GAMING BENCH – RGB Tested channel on YouTube.
On average, the Ryzen 7 9800X3D delivers 25% more FPS than the Ryzen 7 5800X3D in nine popular games. However, this is just the average performance. The difference can be as much as 38.6% in some games like The Last of Us: Part 1, which is quite significant.
Price Comparison

The AMD Ryzen 7 9800X3D is currently selling $449.99 on Amazon. On the other hand, the Ryzen 7 5800X3D has stopped selling new and can only be purchased on the used market, where it is priced at around $300 to $400, so a direct price comparison is not possible.
Final Verdict on Ryzen 7 9800X3D vs Ryzen 7 5800X3D
The Ryzen 7 9800X3D is significantly better than the Ryzen 7 5800X3D in almost every scenario, including productivity, general day-to-day tasks, and gaming. The former is also built on the modern AM5 platform and supports faster DDR5 memory. Therefore, the Ryzen 7 9800X3D is the better choice.
We cannot recommend the Ryzen 7 5800X3D, not because it is too slow, but because $300 to $400 for a used old CPU is not worth it.
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