Intel Core i7-5820K vs Intel Core i7-7700
20.7Single-core31.1
29Multi-core26.6
37.1Gamingspec-based25.6
7 spec wins — Intel Core i7-5820K6 spec wins — Intel Core i7-7700
InnoReviews verdict
This one is close to a dead heat: Intel Core i7-5820K scores 28.5 against 27.7 for Intel Core i7-7700. Pick by the categories that matter to you — Intel Core i7-5820K edges ahead in multi-core, or by price.
Which would you pick?
Key differences
Reasons to pick the Intel Core i7-5820K
- 100% higher Memory channels: 4 vs 2
- 88% higher L3 cache: 15 MB vs 8 MB
- 75% higher CPU PCIe lanes: 28 vs 16
- 50% higher cores: 6 vs 4
- 50% higher threads: 12 vs 8
Reasons to pick the Intel Core i7-7700
- Stronger single-core score: 31 vs 21
- 54% lower Base TDP: 65 W vs 140 W
- 36% lower process: 14 nm vs 22 nm
- 23% higher PassMark (single thread): 2,441 vs 1,992
- 17% higher Boost clock: 4.2 GHz vs 3.6 GHz
General
| Spec | Intel Core i7-5820K | Intel Core i7-7700 |
|---|---|---|
| Announced | 2014 | 2017 |
| Socket | LGA2011-v3 | LGA1151 |
| Process | 22 nm | 14 nm+36% |
| Base TDP | 140 W | 65 W+54% |
| Unlocked multiplier | Yes | No |
| Cooler included | No | — |
Cores & Clocks
| Spec | Intel Core i7-5820K | Intel Core i7-7700 |
|---|---|---|
| Cores | 6+50% | 4 |
| Performance cores | 6 | — |
| Efficiency cores | 0 | — |
| Threads | 12+50% | 8 |
| Base clock | 3.3 GHz | 3.6 GHz+9% |
| Boost clock | 3.6 GHz | 4.2 GHz+17% |
| L2 cache | 2 MB | — |
| L3 cache | 15 MB+88% | 8 MB |
Integrated GPU
| Spec | Intel Core i7-5820K | Intel Core i7-7700 |
|---|---|---|
| iGPU | — | Intel HD Graphics 630 |
| iGPU clock | — | 1,150 MHz |
Memory
| Spec | Intel Core i7-5820K | Intel Core i7-7700 |
|---|---|---|
| Memory support | DDR4-2133 | DDR4-2133/2400, DDR3L-1333/1600 |
| Max memory | 64 GB | 64 GB |
| Memory channels | 4+100% | 2 |
Platform
| Spec | Intel Core i7-5820K | Intel Core i7-7700 |
|---|---|---|
| PCIe version | 3 | 3 |
| CPU PCIe lanes | 28+75% | 16 |
Benchmarks
| Spec | Intel Core i7-5820K | Intel Core i7-7700 |
|---|---|---|
| Geekbench 6 (single) | 1,040Bottom 5% | — |
| Geekbench 6 (multi) | 5,100Bottom 23% | — |
| Cinebench R23 (single) | 890Bottom 4% | — |
| Cinebench R23 (multi) | 6,400Bottom 17% | — |
| PassMark | 9,831+14%Bottom 17% | 8,639Bottom 12% |
| PassMark (single thread) | 1,992Bottom 4% | 2,441+23%Bottom 18% |
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