Intel Core i5-8600K vs Intel Core Ultra 7 265K
34.5Single-core87.2
30Multi-core88.5
29.1Gamingspec-based65.7
1 spec wins — Intel Core i5-8600K18 spec wins — Intel Core Ultra 7 265K
InnoReviews verdict
Intel Core Ultra 7 265K wins this desktop processor face-off, 82.4 to 31.1, pulling ahead mainly in multi-core (+59) and single-core (+53). Intel Core i5-8600K 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 i5-8600K
- 24% lower Base TDP: 95 W vs 125 W
- Lower launch price: $257 vs $394
Reasons to pick the Intel Core Ultra 7 265K
- Stronger single-core score: 87 vs 35
- Stronger multi-core score: 89 vs 30
- 2300% higher L2 cache: 36 MB vs 2 MB
- 453% higher PassMark: 58,569 vs 10,600
- 428% higher Cinebench R23 (multi): 35,905 vs 6,800
General
| Spec | Intel Core i5-8600K | Intel Core Ultra 7 265K |
|---|---|---|
| Announced | 2017 | 2024 |
| Socket | LGA1151-v2 | LGA1851 |
| Process | 14 nm | 3 nm+79% |
| Base TDP | 95 W+24% | 125 W |
| Max turbo power | — | 250 W |
| Unlocked multiplier | Yes | Yes |
| Cooler included | No | No |
Cores & Clocks
| Spec | Intel Core i5-8600K | Intel Core Ultra 7 265K |
|---|---|---|
| Cores | 6 | 20+233% |
| Performance cores | 6 | 8+33% |
| Efficiency cores | 0 | 12 |
| Threads | 6 | 20+233% |
| Base clock | 3.6 GHz | 3.9 GHz+8% |
| Boost clock | 4.3 GHz | 5.5 GHz+28% |
| L2 cache | 2 MB | 36 MB+2300% |
| L3 cache | 9 MB | 30 MB+233% |
Integrated GPU
| Spec | Intel Core i5-8600K | Intel Core Ultra 7 265K |
|---|---|---|
| iGPU | Intel UHD Graphics 630 | Intel Graphics |
| iGPU clock | 1,150 MHz | 2,000 MHz |
Memory
| Spec | Intel Core i5-8600K | Intel Core Ultra 7 265K |
|---|---|---|
| Memory support | DDR4-2666 | DDR5-6400 |
| Max memory | 64 GB | 256 GB+300% |
| Memory channels | 2 | 2 |
Platform
| Spec | Intel Core i5-8600K | Intel Core Ultra 7 265K |
|---|---|---|
| PCIe version | 3 | 5+67% |
| CPU PCIe lanes | 16 | 24+50% |
Benchmarks
| Spec | Intel Core i5-8600K | Intel Core Ultra 7 265K |
|---|---|---|
| Geekbench 6 (single) | 1,480Bottom 27% | 3,092+109%Top 14% |
| Geekbench 6 (multi) | 5,400Bottom 26% | 20,019+271%Top 11% |
| Cinebench R23 (single) | 1,210Bottom 25% | 2,267+87%Top 6% |
| Cinebench R23 (multi) | 6,800Bottom 22% | 35,905+428%Top 10% |
| PassMark | 10,600Bottom 16% | 58,569+453%Top 9% |
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