Intel Core i7-6700K vs Intel Core i9-10900K
30.7Single-core41.9
27Multi-core48.2
25.6Gaming54.6
2 spec wins — Intel Core i7-6700K14 spec wins — Intel Core i9-10900K
InnoReviews verdict
Intel Core i9-10900K wins this desktop processor face-off, 47.9 to 27.8, pulling ahead mainly in gaming (+29) and Multi-core (+21). 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 Intel Core i7-6700K
- 27% lower Base TDP: 91 W vs 125 W
- Lower launch price: $339 vs $488
Reasons to pick the Intel Core i9-10900K
- Stronger Single-core score: 42 vs 31
- Stronger Multi-core score: 48 vs 27
- Stronger gaming score: 55 vs 26
- 226% higher Cinebench R23 (multi): 16,300 vs 5,000
- 166% higher PassMark: 23,700 vs 8,900
General
| Spec | Intel Core i7-6700K | Intel Core i9-10900K |
|---|---|---|
| Announced | 2015 | 2020 |
| Socket | LGA1151 | LGA1200 |
| Process | 14 nm | 14 nm |
| Base TDP | 91 W+27% | 125 W |
| Max turbo power | — | 250 W |
| Unlocked multiplier | Yes | Yes |
| Cooler included | No | No |
Cores & Clocks
| Spec | Intel Core i7-6700K | Intel Core i9-10900K |
|---|---|---|
| Cores | 4 | 10+150% |
| Performance cores | 4 | 10+150% |
| Efficiency cores | 0 | 0 |
| Threads | 8 | 20+150% |
| Base clock | 4 GHz+8% | 3.7 GHz |
| Boost clock | 4.2 GHz | 5.3 GHz+26% |
| L2 cache | 1 MB | 3 MB+150% |
| L3 cache | 8 MB | 20 MB+150% |
Integrated GPU
| Spec | Intel Core i7-6700K | Intel Core i9-10900K |
|---|---|---|
| iGPU | Intel HD Graphics 530 | Intel UHD Graphics 630 |
| iGPU clock | 1,150 MHz | 1,200 MHz+4% |
Memory
| Spec | Intel Core i7-6700K | Intel Core i9-10900K |
|---|---|---|
| Memory support | DDR4-2133 / DDR3L-1600 | DDR4-2933 |
| Max memory | 64 GB | 128 GB+100% |
| Memory channels | 2 | 2 |
Platform
| Spec | Intel Core i7-6700K | Intel Core i9-10900K |
|---|---|---|
| PCIe version | 3 | 3 |
| CPU PCIe lanes | 16 | 16 |
Benchmarks
| Spec | Intel Core i7-6700K | Intel Core i9-10900K |
|---|---|---|
| Geekbench 6 (single) | 1,420Top 71% | 1,730+22%Top 50% |
| Geekbench 6 (multi) | 4,650Top 79% | 10,400+124%Top 38% |
| Cinebench R23 (single) | 1,090Top 82% | 1,340+23%Top 52% |
| Cinebench R23 (multi) | 5,000Top 84% | 16,300+226%Top 30% |
| PassMark | 8,900Top 82% | 23,700+166%Top 40% |
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