Intel Core i3-10100 vs Intel Core i7-5820K
34.7Single-core20
26.4Multi-core29.1
26.3Gamingspec-based37.1
7 spec wins — Intel Core i3-101007 spec wins — Intel Core i7-5820K
InnoReviews verdict
This one is close to a dead heat: Intel Core i3-10100 scores 28.9 against 28.4 for Intel Core i7-5820K. Pick by the categories that matter to you — Intel Core i3-10100 edges ahead in single-core, or by price.
Which would you pick?
Key differences
Reasons to pick the Intel Core i3-10100
- Stronger single-core score: 35 vs 20
- 100% higher Max memory: 128 GB vs 64 GB
- 54% lower Base TDP: 65 W vs 140 W
- 36% lower process: 14 nm vs 22 nm
- 30% higher PassMark (single thread): 2,586 vs 1,992
- Lower launch price: $134 vs $389
Reasons to pick the Intel Core i7-5820K
- 150% higher L3 cache: 15 MB vs 6 MB
- 100% higher Memory channels: 4 vs 2
- 75% higher CPU PCIe lanes: 28 vs 16
- 50% higher cores: 6 vs 4
- 50% higher threads: 12 vs 8
General
| Spec | Intel Core i3-10100 | Intel Core i7-5820K |
|---|---|---|
| Announced | 2020 | 2014 |
| Socket | LGA1200 | LGA2011-v3 |
| Process | 14 nm+36% | 22 nm |
| Base TDP | 65 W+54% | 140 W |
| Unlocked multiplier | No | Yes |
| Cooler included | — | No |
Cores & Clocks
| Spec | Intel Core i3-10100 | Intel Core i7-5820K |
|---|---|---|
| Cores | 4 | 6+50% |
| Performance cores | — | 6 |
| Efficiency cores | — | 0 |
| Threads | 8 | 12+50% |
| Base clock | 3.6 GHz+9% | 3.3 GHz |
| Boost clock | 4.3 GHz+19% | 3.6 GHz |
| L2 cache | — | 1.5 MB |
| L3 cache | 6 MB | 15 MB+150% |
Integrated GPU
| Spec | Intel Core i3-10100 | Intel Core i7-5820K |
|---|---|---|
| iGPU | Intel UHD Graphics 630 | — |
| iGPU clock | 1,100 MHz | — |
Memory
| Spec | Intel Core i3-10100 | 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 i3-10100 | Intel Core i7-5820K |
|---|---|---|
| PCIe version | 3 | 3 |
| CPU PCIe lanes | 16 | 28+75% |
Benchmarks
| Spec | Intel Core i3-10100 | Intel Core i7-5820K |
|---|---|---|
| Cinebench R23 (single) | — | 890Bottom 5% |
| Cinebench R23 (multi) | — | 6,400Bottom 14% |
| PassMark | 8,470Bottom 12% | 9,831+16%Bottom 16% |
| PassMark (single thread) | 2,586+30%Bottom 24% | 1,992Bottom 3% |
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