AMD Ryzen 9 7900 vs AMD Ryzen Threadripper 3990X
78.6Single-core34.1
70.5Multi-core100
83.3Gamingspec-based86.3
7 spec wins — AMD Ryzen 9 79009 spec wins — AMD Ryzen Threadripper 3990X
InnoReviews verdict
This one is close to a dead heat: AMD Ryzen 9 7900 scores 76.1 against 76.8 for AMD Ryzen Threadripper 3990X. Pick by the categories that matter to you — AMD Ryzen Threadripper 3990X edges ahead in multi-core, or by price.
Which would you pick?
Key differences
Reasons to pick the AMD Ryzen 9 7900
- Stronger single-core score: 79 vs 34
- 77% lower Base TDP: 65 W vs 280 W
- 61% higher PassMark (single thread): 4,121 vs 2,561
- 29% lower process: 5 nm vs 7 nm
- 28% higher Base clock: 3.7 GHz vs 2.9 GHz
- Lower launch price: $429 vs $3,990
Reasons to pick the AMD Ryzen Threadripper 3990X
- Stronger multi-core score: 100 vs 71
- 433% higher cores: 64 vs 12
- 433% higher Performance cores: 64 vs 12
- 433% higher threads: 128 vs 24
- 300% higher L3 cache: 256 MB vs 64 MB
General
| Spec | AMD Ryzen 9 7900 | AMD Ryzen Threadripper 3990X |
|---|---|---|
| Announced | 2023 | 2020 |
| Socket | AM5 | sTRX4 |
| Process | 5 nm+29% | 7 nm |
| Base TDP | 65 W+77% | 280 W |
| Unlocked multiplier | Yes | Yes |
| Cooler included | No | No |
Cores & Clocks
| Spec | AMD Ryzen 9 7900 | AMD Ryzen Threadripper 3990X |
|---|---|---|
| Cores | 12 | 64+433% |
| Performance cores | 12 | 64+433% |
| Efficiency cores | 0 | 0 |
| Threads | 24 | 128+433% |
| Base clock | 3.7 GHz+28% | 2.9 GHz |
| Boost clock | 5.4 GHz+26% | 4.3 GHz |
| L2 cache | 12 MB | 32 MB+167% |
| L3 cache | 64 MB | 256 MB+300% |
Integrated GPU
| Spec | AMD Ryzen 9 7900 | AMD Ryzen Threadripper 3990X |
|---|---|---|
| iGPU | AMD Radeon Graphics | — |
| iGPU clock | 2,200 MHz | — |
Memory
| Spec | AMD Ryzen 9 7900 | AMD Ryzen Threadripper 3990X |
|---|---|---|
| Memory support | DDR5-5200 | DDR4-3200 |
| Max memory | 128 GB | 256 GB+100% |
| Memory channels | 2 | 4+100% |
Platform
| Spec | AMD Ryzen 9 7900 | AMD Ryzen Threadripper 3990X |
|---|---|---|
| PCIe version | 5+25% | 4 |
| CPU PCIe lanes | 28 | 64+129% |
Benchmarks
| Spec | AMD Ryzen 9 7900 | AMD Ryzen Threadripper 3990X |
|---|---|---|
| Geekbench 6 (single) | 2,990Top 22% | — |
| Geekbench 6 (multi) | 15,725Top 34% | — |
| Cinebench R23 (single) | 1,966Top 29% | — |
| Cinebench R23 (multi) | 24,776Top 24% | — |
| PassMark | 48,013Top 15% | 79,592+66%Top 2% |
| PassMark (single thread) | 4,121+61%Top 25% | 2,561Bottom 22% |
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