Intel Core i5-6600K vs Intel Core Ultra 5 250KF Plus
29Single-core—
24Multi-core79.9
23.8Gamingspec-based64.4
1 spec wins — Intel Core i5-6600K14 spec wins — Intel Core Ultra 5 250KF Plus
InnoReviews verdict
No overall winner yet: Intel Core Ultra 5 250KF Plus 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 i5-6600K
- 27% lower Base TDP: 91 W vs 125 W
Reasons to pick the Intel Core Ultra 5 250KF Plus
- Stronger multi-core score: 80 vs 24
- 2900% higher L2 cache: 30 MB vs 1 MB
- 697% higher PassMark: 51,037 vs 6,400
- 400% higher L3 cache: 30 MB vs 6 MB
- 350% higher cores: 18 vs 4
- Lower launch price: $204 vs $242
General
| Spec | Intel Core i5-6600K | Intel Core Ultra 5 250KF Plus |
|---|---|---|
| Announced | 2015 | 2026+1% |
| Socket | LGA1151 | LGA1851 |
| Process | 14 nm | 3 nm+79% |
| Base TDP | 91 W+27% | 125 W |
| Max turbo power | — | 159 W |
| Unlocked multiplier | Yes | Yes |
| Cooler included | No | No |
Cores & Clocks
| Spec | Intel Core i5-6600K | Intel Core Ultra 5 250KF Plus |
|---|---|---|
| Cores | 4 | 18+350% |
| Performance cores | 4 | 6+50% |
| Efficiency cores | 0 | 12 |
| Threads | 4 | 18+350% |
| Base clock | 3.5 GHz | 4.2 GHz+20% |
| Boost clock | 3.9 GHz | 5.3 GHz+36% |
| L2 cache | 1 MB | 30 MB+2900% |
| L3 cache | 6 MB | 30 MB+400% |
Integrated GPU
| Spec | Intel Core i5-6600K | Intel Core Ultra 5 250KF Plus |
|---|---|---|
| iGPU | Intel HD Graphics 530 | — |
| iGPU clock | 1,150 MHz | — |
Memory
| Spec | Intel Core i5-6600K | Intel Core Ultra 5 250KF Plus |
|---|---|---|
| Memory support | DDR4-2133 / DDR3L-1600 | DDR5-7200 |
| Max memory | 64 GB | 256 GB+300% |
| Memory channels | 2 | 2 |
Platform
| Spec | Intel Core i5-6600K | Intel Core Ultra 5 250KF Plus |
|---|---|---|
| PCIe version | 3 | 5+67% |
| CPU PCIe lanes | 16 | 24+50% |
Benchmarks
| Spec | Intel Core i5-6600K | Intel Core Ultra 5 250KF Plus |
|---|---|---|
| Geekbench 6 (single) | 1,300Bottom 19% | — |
| Geekbench 6 (multi) | 3,350Bottom 9% | — |
| Cinebench R23 (single) | 1,110Bottom 18% | — |
| Cinebench R23 (multi) | 4,050Bottom 10% | — |
| PassMark | 6,400Bottom 8% | 51,037+697%Top 16% |
Related comparisons
Intel Core i5-6600Kvs Intel Core i7-4790VSIntel Core i5-6600Kvs Intel Core i5-7500VSIntel Core i5-6600Kvs Intel Core i7-4770KVSIntel Core i5-6600Kvs Intel Core i7-4770VSIntel Core Ultra 5 250KF Plusvs Intel Core Ultra 5 250K PlusVSIntel Core Ultra 5 250KF Plusvs Intel Core Ultra 7 265KFVSIntel Core Ultra 5 250KF Plusvs Intel Core Ultra 7 265KVSIntel Core Ultra 5 250KF Plusvs Intel Core Ultra 7 270K PlusVS