Intel Core i7-5820K vs Intel Core Ultra 9 285K
20.7Single-core92.9
30.2Multi-core98.4
37.1Gamingspec-based71.3
2 spec wins — Intel Core i7-5820K18 spec wins — Intel Core Ultra 9 285K
InnoReviews verdict
Intel Core Ultra 9 285K wins this desktop processor face-off, 90 to 29.1, pulling ahead mainly in single-core (+72) and multi-core (+68). 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 i7-5820K
- 100% higher Memory channels: 4 vs 2
- 17% higher CPU PCIe lanes: 28 vs 24
- Lower launch price: $389 vs $589
Reasons to pick the Intel Core Ultra 9 285K
- Stronger single-core score: 93 vs 21
- Stronger multi-core score: 98 vs 30
- 2567% higher L2 cache: 40 MB vs 2 MB
- 563% higher Cinebench R23 (multi): 42,460 vs 6,400
- 429% higher PassMark: 67,224 vs 12,700
General
| Spec | Intel Core i7-5820K | Intel Core Ultra 9 285K |
|---|---|---|
| Announced | 2014 | 2024 |
| Socket | LGA2011-v3 | LGA1851 |
| Process | 22 nm | 3 nm+86% |
| Base TDP | 140 W | 125 W+11% |
| Max turbo power | — | 250 W |
| Unlocked multiplier | Yes | Yes |
| Cooler included | No | No |
Cores & Clocks
| Spec | Intel Core i7-5820K | Intel Core Ultra 9 285K |
|---|---|---|
| Cores | 6 | 24+300% |
| Performance cores | 6 | 8+33% |
| Efficiency cores | 0 | 16 |
| Threads | 12 | 24+100% |
| Base clock | 3.3 GHz | 3.7 GHz+12% |
| Boost clock | 3.6 GHz | 5.7 GHz+58% |
| L2 cache | 2 MB | 40 MB+2567% |
| L3 cache | 15 MB | 36 MB+140% |
Integrated GPU
| Spec | Intel Core i7-5820K | Intel Core Ultra 9 285K |
|---|---|---|
| iGPU | — | Intel Graphics |
| iGPU clock | — | 2,000 MHz |
Memory
| Spec | Intel Core i7-5820K | Intel Core Ultra 9 285K |
|---|---|---|
| Memory support | DDR4-2133 | DDR5-6400 |
| Max memory | 64 GB | 256 GB+300% |
| Memory channels | 4+100% | 2 |
Platform
| Spec | Intel Core i7-5820K | Intel Core Ultra 9 285K |
|---|---|---|
| PCIe version | 3 | 5+67% |
| CPU PCIe lanes | 28+17% | 24 |
Benchmarks
| Spec | Intel Core i7-5820K | Intel Core Ultra 9 285K |
|---|---|---|
| Geekbench 6 (single) | 1,040Bottom 6% | 3,265+214%Top 7% |
| Geekbench 6 (multi) | 5,100Bottom 24% | 22,091+333%Top 5% |
| Cinebench R23 (single) | 890Bottom 5% | 2,382+168%Top 2% |
| Cinebench R23 (multi) | 6,400Bottom 19% | 42,460+563%Top 3% |
| PassMark | 12,700Bottom 20% | 67,224+429%Top 3% |
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