Intel Core i7-10700K vs Intel Core i7-5820K
39.9Single-core20.7
42Multi-core30.2
48Gaming37.1
16 spec wins — Intel Core i7-10700K2 spec wins — Intel Core i7-5820K
InnoReviews verdict
Intel Core i7-10700K wins this desktop processor face-off, 42.9 to 29.1, pulling ahead mainly in Single-core (+19) and Multi-core (+12). Intel Core i7-5820K 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 i7-10700K
- Stronger Single-core score: 40 vs 21
- Stronger Multi-core score: 42 vs 30
- Stronger gaming score: 48 vs 37
- 103% higher Cinebench R23 (multi): 13,000 vs 6,400
- 100% higher Max memory: 128 GB vs 64 GB
Reasons to pick the Intel Core i7-5820K
- 100% higher Memory channels: 4 vs 2
- 75% higher CPU PCIe lanes: 28 vs 16
General
| Spec | Intel Core i7-10700K | Intel Core i7-5820K |
|---|---|---|
| Announced | 2020 | 2014 |
| Socket | LGA1200 | LGA2011-v3 |
| Process | 14 nm+36% | 22 nm |
| Base TDP | 125 W+11% | 140 W |
| Max turbo power | 229 W | — |
| Unlocked multiplier | Yes | Yes |
| Cooler included | No | No |
Cores & Clocks
| Spec | Intel Core i7-10700K | Intel Core i7-5820K |
|---|---|---|
| Cores | 8+33% | 6 |
| Performance cores | 8+33% | 6 |
| Efficiency cores | 0 | 0 |
| Threads | 16+33% | 12 |
| Base clock | 3.8 GHz+15% | 3.3 GHz |
| Boost clock | 5.1 GHz+42% | 3.6 GHz |
| L2 cache | 2 MB+33% | 2 MB |
| L3 cache | 16 MB+7% | 15 MB |
Integrated GPU
| Spec | Intel Core i7-10700K | Intel Core i7-5820K |
|---|---|---|
| iGPU | Intel UHD Graphics 630 | — |
| iGPU clock | 1,200 MHz | — |
Memory
| Spec | Intel Core i7-10700K | Intel Core i7-5820K |
|---|---|---|
| Memory support | DDR4-2933 | DDR4-2133 |
| Max memory | 128 GB+100% | 64 GB |
| Memory channels | 2 | 4+100% |
Platform
| Spec | Intel Core i7-10700K | Intel Core i7-5820K |
|---|---|---|
| PCIe version | 3 | 3 |
| CPU PCIe lanes | 16 | 28+75% |
Benchmarks
| Spec | Intel Core i7-10700K | Intel Core i7-5820K |
|---|---|---|
| Geekbench 6 (single) | 1,670+61%Top 55% | 1,040Top 95% |
| Geekbench 6 (multi) | 8,600+69%Top 49% | 5,100Top 73% |
| Cinebench R23 (single) | 1,300+46%Top 59% | 890Top 96% |
| Cinebench R23 (multi) | 13,000+103%Top 43% | 6,400Top 77% |
| PassMark | 19,500+54%Top 51% | 12,700Top 72% |
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