Intel Core i7-6700K vs Intel Core i7-7700
30.7Single-core31.1
27Multi-core26.6
25.6Gamingspec-based25.6
4 spec wins — Intel Core i7-6700K2 spec wins — Intel Core i7-7700
InnoReviews verdict
This one is close to a dead heat: Intel Core i7-6700K scores 27.8 against 27.7 for Intel Core i7-7700. Pick by the categories that matter to you — Intel Core i7-6700K edges ahead in multi-core, or by price.
Which would you pick?
Key differences
Reasons to pick the Intel Core i7-6700K
- 11% higher Base clock: 4 GHz vs 3.6 GHz
- Has Unlocked multiplier — the other doesn't
Reasons to pick the Intel Core i7-7700
- 29% lower Base TDP: 65 W vs 91 W
General
| Spec | Intel Core i7-6700K | Intel Core i7-7700 |
|---|---|---|
| Announced | 2015 | 2017 |
| Socket | LGA1151 | LGA1151 |
| Process | 14 nm | 14 nm |
| Base TDP | 91 W | 65 W+29% |
| Unlocked multiplier | Yes | No |
| Cooler included | No | — |
Cores & Clocks
| Spec | Intel Core i7-6700K | Intel Core i7-7700 |
|---|---|---|
| Cores | 4 | 4 |
| Performance cores | 4 | — |
| Efficiency cores | 0 | — |
| Threads | 8 | 8 |
| Base clock | 4 GHz+11% | 3.6 GHz |
| Boost clock | 4.2 GHz | 4.2 GHz |
| L2 cache | 1 MB | — |
| L3 cache | 8 MB | 8 MB |
Integrated GPU
| Spec | Intel Core i7-6700K | Intel Core i7-7700 |
|---|---|---|
| iGPU | Intel HD Graphics 530 | Intel HD Graphics 630 |
| iGPU clock | 1,150 MHz | 1,150 MHz |
Memory
| Spec | Intel Core i7-6700K | Intel Core i7-7700 |
|---|---|---|
| Memory support | DDR4-2133 / DDR3L-1600 | DDR4-2133/2400, DDR3L-1333/1600 |
| Max memory | 64 GB | 64 GB |
| Memory channels | 2 | 2 |
Platform
| Spec | Intel Core i7-6700K | Intel Core i7-7700 |
|---|---|---|
| PCIe version | 3 | 3 |
| CPU PCIe lanes | 16 | 16 |
Benchmarks
| Spec | Intel Core i7-6700K | Intel Core i7-7700 |
|---|---|---|
| Geekbench 6 (single) | 1,420Bottom 26% | — |
| Geekbench 6 (multi) | 4,650Bottom 17% | — |
| Cinebench R23 (single) | 1,090Bottom 15% | — |
| Cinebench R23 (multi) | 5,000Bottom 12% | — |
| PassMark | 8,933+3%Bottom 14% | 8,639Bottom 12% |
| PassMark (single thread) | 2,494+2%Bottom 19% | 2,441Bottom 18% |
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