Intel Core i5-8600K vs Intel Core Ultra 5 245
34.5Single-core—
30Multi-core64.8
29.1Gamingspec-based57.8
2 spec wins — Intel Core i5-8600K14 spec wins — Intel Core Ultra 5 245
InnoReviews verdict
No overall winner yet: Intel Core Ultra 5 245 lacks the published benchmark results an Inno Score requires, so there is no Inno Score to compare — we don't rank chips on their spec sheet alone. The spec table below still shows every difference we track.
Which would you pick?
Key differences
Reasons to pick the Intel Core i5-8600K
- Has Unlocked multiplier — the other doesn't
Reasons to pick the Intel Core Ultra 5 245
- Stronger multi-core score: 65 vs 30
- 1633% higher L2 cache: 26 MB vs 2 MB
- 300% higher Max memory: 256 GB vs 64 GB
- 268% higher PassMark: 39,027 vs 10,600
- 167% higher L3 cache: 24 MB vs 9 MB
General
| Spec | Intel Core i5-8600K | Intel Core Ultra 5 245 |
|---|---|---|
| Announced | 2017 | 2025 |
| Socket | LGA1151-v2 | LGA1851 |
| Process | 14 nm | 3 nm+79% |
| Base TDP | 95 W | 65 W+32% |
| Max turbo power | — | 121 W |
| Unlocked multiplier | Yes | No |
| Cooler included | No | Yes |
Cores & Clocks
| Spec | Intel Core i5-8600K | Intel Core Ultra 5 245 |
|---|---|---|
| Cores | 6 | 14+133% |
| Performance cores | 6 | 6 |
| Efficiency cores | 0 | 8 |
| Threads | 6 | 14+133% |
| Base clock | 3.6 GHz+3% | 3.5 GHz |
| Boost clock | 4.3 GHz | 5.1 GHz+19% |
| L2 cache | 2 MB | 26 MB+1633% |
| L3 cache | 9 MB | 24 MB+167% |
Integrated GPU
| Spec | Intel Core i5-8600K | Intel Core Ultra 5 245 |
|---|---|---|
| iGPU | Intel UHD Graphics 630 | Intel Graphics |
| iGPU clock | 1,150 MHz | 1,900 MHz |
Memory
| Spec | Intel Core i5-8600K | Intel Core Ultra 5 245 |
|---|---|---|
| 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 5 245 |
|---|---|---|
| PCIe version | 3 | 5+67% |
| CPU PCIe lanes | 16 | 24+50% |
Benchmarks
| Spec | Intel Core i5-8600K | Intel Core Ultra 5 245 |
|---|---|---|
| Geekbench 6 (single) | 1,480Bottom 27% | — |
| Geekbench 6 (multi) | 5,400Bottom 26% | — |
| Cinebench R23 (single) | 1,210Bottom 25% | — |
| Cinebench R23 (multi) | 6,800Bottom 22% | — |
| PassMark | 10,600Bottom 16% | 39,027+268%Top 26% |
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