AMD Ryzen 9 5900X vs Intel Core i7-8700K
54.4Single-core37.3
62.1Multi-core34.7
79.6Gaming38.5
16 spec wins — AMD Ryzen 9 5900X1 spec wins — Intel Core i7-8700K
InnoReviews verdict
AMD Ryzen 9 5900X wins this desktop processor face-off, 64.1 to 36.4, pulling ahead mainly in gaming (+41) and Multi-core (+27). Intel Core i7-8700K 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 9 5900X
- Stronger Single-core score: 54 vs 37
- Stronger Multi-core score: 62 vs 35
- Stronger gaming score: 80 vs 39
- 433% higher L3 cache: 64 MB vs 12 MB
- 300% higher L2 cache: 6 MB vs 2 MB
Reasons to pick the Intel Core i7-8700K
- 10% lower Base TDP: 95 W vs 105 W
- Lower launch price: $359 vs $549
General
| Spec | AMD Ryzen 9 5900X | Intel Core i7-8700K |
|---|---|---|
| Announced | 2020 | 2017 |
| Socket | AM4 | LGA1151-v2 |
| Process | 7 nm+50% | 14 nm |
| Base TDP | 105 W | 95 W+10% |
| Max turbo power | 142 W | — |
| Unlocked multiplier | Yes | Yes |
| Cooler included | No | No |
Cores & Clocks
| Spec | AMD Ryzen 9 5900X | Intel Core i7-8700K |
|---|---|---|
| Cores | 12+100% | 6 |
| Performance cores | 12+100% | 6 |
| Efficiency cores | 0 | 0 |
| Threads | 24+100% | 12 |
| Base clock | 3.7 GHz | 3.7 GHz |
| Boost clock | 4.8 GHz+2% | 4.7 GHz |
| L2 cache | 6 MB+300% | 2 MB |
| L3 cache | 64 MB+433% | 12 MB |
Integrated GPU
| Spec | AMD Ryzen 9 5900X | Intel Core i7-8700K |
|---|---|---|
| iGPU | — | Intel UHD Graphics 630 |
| iGPU clock | — | 1,200 MHz |
Memory
| Spec | AMD Ryzen 9 5900X | Intel Core i7-8700K |
|---|---|---|
| Memory support | DDR4-3200 | DDR4-2666 |
| Max memory | 128 GB+100% | 64 GB |
| Memory channels | 2 | 2 |
Platform
| Spec | AMD Ryzen 9 5900X | Intel Core i7-8700K |
|---|---|---|
| PCIe version | 4+33% | 3 |
| CPU PCIe lanes | 24+50% | 16 |
Benchmarks
| Spec | AMD Ryzen 9 5900X | Intel Core i7-8700K |
|---|---|---|
| Geekbench 6 (single) | 2,100+35%Top 32% | 1,560Top 58% |
| Geekbench 6 (multi) | 13,500+99%Top 24% | 6,800Top 59% |
| Cinebench R23 (single) | 1,600+26%Top 39% | 1,270Top 63% |
| Cinebench R23 (multi) | 21,700+136%Top 20% | 9,200Top 61% |
| PassMark | 39,000+181%Top 16% | 13,900Top 68% |
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