Intel Core i5-6600K vs Intel Core i7-6700
28.4Single-core26.8
24.5Multi-core25.8
23.8Gamingspec-based24.4
3 spec wins — Intel Core i5-6600K6 spec wins — Intel Core i7-6700
InnoReviews verdict
This one is close to a dead heat: Intel Core i5-6600K scores 25.5 against 25.8 for Intel Core i7-6700. Pick by the categories that matter to you — Intel Core i7-6700 edges ahead in multi-core, or by price.
Which would you pick?
Key differences
Reasons to pick the Intel Core i5-6600K
- Has Unlocked multiplier — the other doesn't
- Lower launch price: $242 vs $303
Reasons to pick the Intel Core i7-6700
- 100% higher threads: 8 vs 4
- 33% higher L3 cache: 8 MB vs 6 MB
- 29% lower Base TDP: 65 W vs 91 W
- 27% higher PassMark: 8,033 vs 6,311
- Has Cooler included — the other doesn't
General
| Spec | Intel Core i5-6600K | Intel Core i7-6700 |
|---|---|---|
| Announced | 2015 | 2015 |
| Socket | LGA1151 | LGA1151 |
| Process | 14 nm | 14 nm |
| Base TDP | 91 W | 65 W+29% |
| Unlocked multiplier | Yes | No |
| Cooler included | No | Yes |
Cores & Clocks
| Spec | Intel Core i5-6600K | Intel Core i7-6700 |
|---|---|---|
| Cores | 4 | 4 |
| Performance cores | 4 | 4 |
| Efficiency cores | 0 | 0 |
| Threads | 4 | 8+100% |
| Base clock | 3.5 GHz+3% | 3.4 GHz |
| Boost clock | 3.9 GHz | 4 GHz+3% |
| L2 cache | 1 MB | 1 MB |
| L3 cache | 6 MB | 8 MB+33% |
Integrated GPU
| Spec | Intel Core i5-6600K | Intel Core i7-6700 |
|---|---|---|
| iGPU | Intel HD Graphics 530 | Intel HD Graphics 530 |
| iGPU clock | 1,150 MHz | 1,150 MHz |
Memory
| Spec | Intel Core i5-6600K | Intel Core i7-6700 |
|---|---|---|
| Memory support | DDR4-2133 / DDR3L-1600 | DDR4-2133 / DDR3L-1600 |
| Max memory | 64 GB | 64 GB |
| Memory channels | 2 | 2 |
Platform
| Spec | Intel Core i5-6600K | Intel Core i7-6700 |
|---|---|---|
| PCIe version | 3 | 3 |
| CPU PCIe lanes | 16 | 16 |
Benchmarks
| Spec | Intel Core i5-6600K | Intel Core i7-6700 |
|---|---|---|
| Cinebench R23 (single) | 1,110Bottom 16% | — |
| Cinebench R23 (multi) | 4,050Bottom 7% | — |
| PassMark | 6,311Bottom 7% | 8,033+27%Bottom 10% |
| PassMark (single thread) | 2,314+2%Bottom 14% | 2,274Bottom 13% |
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