AMD Ryzen 9 7900X3D vs Intel Core i7-6700K
77.8Single-core30.7
75.2Multi-core27
94.4Gamingspec-based25.6
17 spec wins — AMD Ryzen 9 7900X3D2 spec wins — Intel Core i7-6700K
InnoReviews verdict
AMD Ryzen 9 7900X3D wins this desktop processor face-off, 80.8 to 27.8, pulling ahead mainly in multi-core (+48) and single-core (+47). Intel Core i7-6700K 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 7900X3D
- Stronger single-core score: 78 vs 31
- Stronger multi-core score: 75 vs 27
- 1500% higher L3 cache: 128 MB vs 8 MB
- 1100% higher L2 cache: 12 MB vs 1 MB
- 464% higher PassMark: 50,200 vs 8,900
Reasons to pick the Intel Core i7-6700K
- 24% lower Base TDP: 91 W vs 120 W
- Has Unlocked multiplier — the other doesn't
- Lower launch price: $339 vs $599
General
| Spec | AMD Ryzen 9 7900X3D | Intel Core i7-6700K |
|---|---|---|
| Announced | 2023 | 2015 |
| Socket | AM5 | LGA1151 |
| Process | 5 nm+64% | 14 nm |
| Base TDP | 120 W | 91 W+24% |
| Max turbo power | 162 W | — |
| Unlocked multiplier | No | Yes |
| Cooler included | No | No |
Cores & Clocks
| Spec | AMD Ryzen 9 7900X3D | Intel Core i7-6700K |
|---|---|---|
| Cores | 12+200% | 4 |
| Performance cores | 12+200% | 4 |
| Efficiency cores | 0 | 0 |
| Threads | 24+200% | 8 |
| Base clock | 4.4 GHz+10% | 4 GHz |
| Boost clock | 5.6 GHz+33% | 4.2 GHz |
| L2 cache | 12 MB+1100% | 1 MB |
| L3 cache | 128 MB+1500% | 8 MB |
Integrated GPU
| Spec | AMD Ryzen 9 7900X3D | Intel Core i7-6700K |
|---|---|---|
| iGPU | AMD Radeon Graphics | Intel HD Graphics 530 |
| iGPU clock | 2,200 MHz | 1,150 MHz |
Memory
| Spec | AMD Ryzen 9 7900X3D | Intel Core i7-6700K |
|---|---|---|
| Memory support | DDR5-5200 | DDR4-2133 / DDR3L-1600 |
| Max memory | 128 GB+100% | 64 GB |
| Memory channels | 2 | 2 |
Platform
| Spec | AMD Ryzen 9 7900X3D | Intel Core i7-6700K |
|---|---|---|
| PCIe version | 5+67% | 3 |
| CPU PCIe lanes | 28+75% | 16 |
Benchmarks
| Spec | AMD Ryzen 9 7900X3D | Intel Core i7-6700K |
|---|---|---|
| Geekbench 6 (single) | 3,020+113%Top 17% | 1,420Bottom 25% |
| Geekbench 6 (multi) | 18,128+290%Top 20% | 4,650Bottom 19% |
| Cinebench R23 (single) | 1,908+75%Top 29% | 1,090Bottom 15% |
| Cinebench R23 (multi) | 26,747+435%Top 19% | 5,000Bottom 14% |
| PassMark | 50,200+464%Top 17% | 8,900Bottom 13% |
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