Intel Core i7-6700K vs Intel Core i7-7700K
30.7Single-core34.5
27Multi-core28
25.6Gamingspec-based27.5
0 spec wins — Intel Core i7-6700K8 spec wins — Intel Core i7-7700K
InnoReviews verdict
Intel Core i7-7700K wins this desktop processor face-off, 29.8 to 27.8, pulling ahead mainly in single-core (+4) and multi-core (+1). 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
No decisive spec advantages — this side competes on price and preference.
Reasons to pick the Intel Core i7-7700K
- Stronger single-core score: 35 vs 31
General
| Spec | Intel Core i7-6700K | Intel Core i7-7700K |
|---|---|---|
| Announced | 2015 | 2017 |
| Socket | LGA1151 | LGA1151 |
| Process | 14 nm | 14 nm |
| Base TDP | 91 W | 91 W |
| Unlocked multiplier | Yes | Yes |
| Cooler included | No | No |
Cores & Clocks
| Spec | Intel Core i7-6700K | Intel Core i7-7700K |
|---|---|---|
| Cores | 4 | 4 |
| Performance cores | 4 | 4 |
| Efficiency cores | 0 | 0 |
| Threads | 8 | 8 |
| Base clock | 4 GHz | 4.2 GHz+5% |
| Boost clock | 4.2 GHz | 4.5 GHz+7% |
| L2 cache | 1 MB | 1 MB |
| L3 cache | 8 MB | 8 MB |
Integrated GPU
| Spec | Intel Core i7-6700K | Intel Core i7-7700K |
|---|---|---|
| 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 i7-7700K |
|---|---|---|
| Memory support | DDR4-2133 / DDR3L-1600 | DDR4-2400 / DDR3L-1600 |
| Max memory | 64 GB | 64 GB |
| Memory channels | 2 | 2 |
Platform
| Spec | Intel Core i7-6700K | Intel Core i7-7700K |
|---|---|---|
| PCIe version | 3 | 3 |
| CPU PCIe lanes | 16 | 16 |
Benchmarks
| Spec | Intel Core i7-6700K | Intel Core i7-7700K |
|---|---|---|
| Geekbench 6 (single) | 1,420Bottom 25% | 1,520+7%Bottom 31% |
| Geekbench 6 (multi) | 4,650Bottom 18% | 4,950+6%Bottom 20% |
| Cinebench R23 (single) | 1,090Bottom 15% | 1,180+8%Bottom 23% |
| Cinebench R23 (multi) | 5,000Bottom 14% | 5,400+8%Bottom 17% |
| PassMark | 8,900Bottom 13% | 9,700+9%Bottom 16% |
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