AMD Ryzen 7 9800X3D vs AMD Ryzen 9 7900
85.2Single-core78.6
64.7Multi-core70.5
91.9Gamingspec-based83.3
8 spec wins — AMD Ryzen 7 9800X3D8 spec wins — AMD Ryzen 9 7900
InnoReviews verdict
AMD Ryzen 7 9800X3D wins this desktop processor face-off, 77.6 to 76.1, pulling ahead mainly in single-core (+7). AMD Ryzen 9 7900 still makes sense if its price or standout specs fit your needs better.
Which would you pick?
Key differences
Reasons to pick the AMD Ryzen 7 9800X3D
- Stronger single-core score: 85 vs 79
- 50% higher L3 cache: 96 MB vs 64 MB
- 50% higher Max memory: 192 GB vs 128 GB
- 27% higher Base clock: 4.7 GHz vs 3.7 GHz
- 20% lower process: 4 nm vs 5 nm
Reasons to pick the AMD Ryzen 9 7900
- Stronger multi-core score: 71 vs 65
- 50% higher cores: 12 vs 8
- 50% higher Performance cores: 12 vs 8
- 50% higher threads: 24 vs 16
- 50% higher L2 cache: 12 MB vs 8 MB
- Lower launch price: $429 vs $479
General
| Spec | AMD Ryzen 7 9800X3D | AMD Ryzen 9 7900 |
|---|---|---|
| Announced | 2024 | 2023 |
| Socket | AM5 | AM5 |
| Process | 4 nm+20% | 5 nm |
| Base TDP | 120 W | 65 W+46% |
| Max turbo power | 162 W | — |
| Unlocked multiplier | Yes | Yes |
| Cooler included | No | No |
Cores & Clocks
| Spec | AMD Ryzen 7 9800X3D | AMD Ryzen 9 7900 |
|---|---|---|
| Cores | 8 | 12+50% |
| Performance cores | 8 | 12+50% |
| Efficiency cores | 0 | 0 |
| Threads | 16 | 24+50% |
| Base clock | 4.7 GHz+27% | 3.7 GHz |
| Boost clock | 5.2 GHz | 5.4 GHz+4% |
| L2 cache | 8 MB | 12 MB+50% |
| L3 cache | 96 MB+50% | 64 MB |
Integrated GPU
| Spec | AMD Ryzen 7 9800X3D | AMD Ryzen 9 7900 |
|---|---|---|
| iGPU | AMD Radeon Graphics (2 CU RDNA 2) | AMD Radeon Graphics |
| iGPU clock | 2,200 MHz | 2,200 MHz |
Memory
| Spec | AMD Ryzen 7 9800X3D | AMD Ryzen 9 7900 |
|---|---|---|
| Memory support | DDR5-5600 | DDR5-5200 |
| Max memory | 192 GB+50% | 128 GB |
| Memory channels | 2 | 2 |
Platform
| Spec | AMD Ryzen 7 9800X3D | AMD Ryzen 9 7900 |
|---|---|---|
| PCIe version | 5 | 5 |
| CPU PCIe lanes | 28 | 28 |
Benchmarks
| Spec | AMD Ryzen 7 9800X3D | AMD Ryzen 9 7900 |
|---|---|---|
| Geekbench 6 (single) | 3,150+5%Top 11% | 2,990Top 19% |
| Geekbench 6 (multi) | 18,500+18%Top 18% | 15,725Top 28% |
| Cinebench R23 (single) | 2,130+8%Top 18% | 1,966Top 26% |
| Cinebench R23 (multi) | 19,500Top 28% | 24,776+27%Top 21% |
| PassMark | 40,000Top 25% | 48,013+20%Top 20% |
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