Intel Core i5-6600K vs Intel Core i9-10900K
29Single-core41.9
24Multi-core48.2
23.8Gamingspec-based54.6
1 spec wins — Intel Core i5-6600K14 spec wins — Intel Core i9-10900K
InnoReviews verdict
Intel Core i9-10900K wins this desktop processor face-off, 47.9 to 25.4, pulling ahead mainly in multi-core (+24) and single-core (+13). Intel Core i5-6600K 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 i5-6600K
- 27% lower Base TDP: 91 W vs 125 W
- Lower launch price: $242 vs $488
Reasons to pick the Intel Core i9-10900K
- Stronger single-core score: 42 vs 29
- Stronger multi-core score: 48 vs 24
- 400% higher threads: 20 vs 4
- 302% higher Cinebench R23 (multi): 16,300 vs 4,050
- 270% higher PassMark: 23,700 vs 6,400
General
| Spec | Intel Core i5-6600K | 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 i5-6600K | Intel Core i9-10900K |
|---|---|---|
| Cores | 4 | 10+150% |
| Performance cores | 4 | 10+150% |
| Efficiency cores | 0 | 0 |
| Threads | 4 | 20+400% |
| Base clock | 3.5 GHz | 3.7 GHz+6% |
| Boost clock | 3.9 GHz | 5.3 GHz+36% |
| L2 cache | 1 MB | 3 MB+150% |
| L3 cache | 6 MB | 20 MB+233% |
Integrated GPU
| Spec | Intel Core i5-6600K | Intel Core i9-10900K |
|---|---|---|
| iGPU | Intel HD Graphics 530 | Intel UHD Graphics 630 |
| iGPU clock | 1,150 MHz | 1,200 MHz |
Memory
| Spec | Intel Core i5-6600K | 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 i5-6600K | Intel Core i9-10900K |
|---|---|---|
| PCIe version | 3 | 3 |
| CPU PCIe lanes | 16 | 16 |
Benchmarks
| Spec | Intel Core i5-6600K | Intel Core i9-10900K |
|---|---|---|
| Geekbench 6 (single) | 1,300Bottom 19% | 1,730+33%Bottom 42% |
| Geekbench 6 (multi) | 3,350Bottom 9% | 10,400+210%Top 50% |
| Cinebench R23 (single) | 1,110Bottom 17% | 1,340+21%Bottom 38% |
| Cinebench R23 (multi) | 4,050Bottom 9% | 16,300+302%Top 40% |
| PassMark | 6,400Bottom 8% | 23,700+270%Bottom 43% |
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