Intel Core i5-10600K vs Intel Core i7-5820K
36.4Single-core20.7
34.7Multi-core30.2
39.2Gamingspec-based37.1
11 spec wins — Intel Core i5-10600K3 spec wins — Intel Core i7-5820K
InnoReviews verdict
Intel Core i5-10600K wins this desktop processor face-off, 36.3 to 29.1, pulling ahead mainly in single-core (+16) and multi-core (+5). 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 i5-10600K
- Stronger single-core score: 36 vs 21
- Stronger multi-core score: 35 vs 30
- 100% higher Max memory: 128 GB vs 64 GB
- 50% higher Geekbench 6 (single): 1,560 vs 1,040
- 44% higher Cinebench R23 (multi): 9,200 vs 6,400
- Lower launch price: $262 vs $389
Reasons to pick the Intel Core i7-5820K
- 100% higher Memory channels: 4 vs 2
- 75% higher CPU PCIe lanes: 28 vs 16
- 25% higher L3 cache: 15 MB vs 12 MB
General
| Spec | Intel Core i5-10600K | 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 | 182 W | — |
| Unlocked multiplier | Yes | Yes |
| Cooler included | No | No |
Cores & Clocks
| Spec | Intel Core i5-10600K | Intel Core i7-5820K |
|---|---|---|
| Cores | 6 | 6 |
| Performance cores | 6 | 6 |
| Efficiency cores | 0 | 0 |
| Threads | 12 | 12 |
| Base clock | 4.1 GHz+24% | 3.3 GHz |
| Boost clock | 4.8 GHz+33% | 3.6 GHz |
| L2 cache | 2 MB | 2 MB |
| L3 cache | 12 MB | 15 MB+25% |
Integrated GPU
| Spec | Intel Core i5-10600K | Intel Core i7-5820K |
|---|---|---|
| iGPU | Intel UHD Graphics 630 | — |
| iGPU clock | 1,200 MHz | — |
Memory
| Spec | Intel Core i5-10600K | Intel Core i7-5820K |
|---|---|---|
| Memory support | DDR4-2666 | DDR4-2133 |
| Max memory | 128 GB+100% | 64 GB |
| Memory channels | 2 | 4+100% |
Platform
| Spec | Intel Core i5-10600K | Intel Core i7-5820K |
|---|---|---|
| PCIe version | 3 | 3 |
| CPU PCIe lanes | 16 | 28+75% |
Benchmarks
| Spec | Intel Core i5-10600K | Intel Core i7-5820K |
|---|---|---|
| Geekbench 6 (single) | 1,560+50%Bottom 33% | 1,040Bottom 6% |
| Geekbench 6 (multi) | 6,500+27%Bottom 31% | 5,100Bottom 24% |
| Cinebench R23 (single) | 1,230+38%Bottom 25% | 890Bottom 5% |
| Cinebench R23 (multi) | 9,200+44%Bottom 32% | 6,400Bottom 19% |
| PassMark | 14,500+14%Bottom 26% | 12,700Bottom 20% |
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