Intel Core i7-5820K vs Intel Core Ultra 9 285
20.7Single-core84.7
30.2Multi-core86.9
37.1Gamingspec-based70.7
4 spec wins — Intel Core i7-5820K15 spec wins — Intel Core Ultra 9 285
InnoReviews verdict
Intel Core Ultra 9 285 wins this desktop processor face-off, 82.2 to 29.1, pulling ahead mainly in single-core (+64) and multi-core (+57). 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
- 32% higher Base clock: 3.3 GHz vs 2.5 GHz
- 17% higher CPU PCIe lanes: 28 vs 24
- Has Unlocked multiplier — the other doesn't
- Lower launch price: $389 vs $549
Reasons to pick the Intel Core Ultra 9 285
- Stronger single-core score: 85 vs 21
- Stronger multi-core score: 87 vs 30
- 2567% higher L2 cache: 40 MB vs 2 MB
- 355% higher PassMark: 57,762 vs 12,700
- 300% higher cores: 24 vs 6
General
| Spec | Intel Core i7-5820K | Intel Core Ultra 9 285 |
|---|---|---|
| Announced | 2014 | 2025+1% |
| Socket | LGA2011-v3 | LGA1851 |
| Process | 22 nm | 3 nm+86% |
| Base TDP | 140 W | 65 W+54% |
| Max turbo power | — | 182 W |
| Unlocked multiplier | Yes | No |
| Cooler included | No | — |
Cores & Clocks
| Spec | Intel Core i7-5820K | Intel Core Ultra 9 285 |
|---|---|---|
| Cores | 6 | 24+300% |
| Performance cores | 6 | 8+33% |
| Efficiency cores | 0 | 16 |
| Threads | 12 | 24+100% |
| Base clock | 3.3 GHz+32% | 2.5 GHz |
| Boost clock | 3.6 GHz | 5.6 GHz+56% |
| L2 cache | 2 MB | 40 MB+2567% |
| L3 cache | 15 MB | 36 MB+140% |
Integrated GPU
| Spec | Intel Core i7-5820K | Intel Core Ultra 9 285 |
|---|---|---|
| iGPU | — | Intel Graphics |
| iGPU clock | — | 2,000 MHz |
Memory
| Spec | Intel Core i7-5820K | Intel Core Ultra 9 285 |
|---|---|---|
| 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 9 285 |
|---|---|---|
| PCIe version | 3 | 5+67% |
| CPU PCIe lanes | 28+17% | 24 |
Benchmarks
| Spec | Intel Core i7-5820K | Intel Core Ultra 9 285 |
|---|---|---|
| Geekbench 6 (single) | 1,040Bottom 6% | 3,061+194%Top 16% |
| Geekbench 6 (multi) | 5,100Bottom 24% | 19,926+291%Top 13% |
| Cinebench R23 (single) | 890Bottom 5% | — |
| Cinebench R23 (multi) | 6,400Bottom 19% | — |
| PassMark | 12,700Bottom 20% | 57,762+355%Top 11% |
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