Intel Core i5-6600K vs Intel Core Ultra 5 225F
29Single-core74.4
24Multi-core54.7
23.8Gamingspec-based52.1
2 spec wins — Intel Core i5-6600K18 spec wins — Intel Core Ultra 5 225F
InnoReviews verdict
Intel Core Ultra 5 225F wins this desktop processor face-off, 60 to 25.4, pulling ahead mainly in single-core (+45) and multi-core (+31). Intel Core i5-6600K 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 i5-6600K
- Has Unlocked multiplier — the other doesn't
Reasons to pick the Intel Core Ultra 5 225F
- Stronger single-core score: 74 vs 29
- Stronger multi-core score: 55 vs 24
- 2100% higher L2 cache: 22 MB vs 1 MB
- 385% higher PassMark: 31,008 vs 6,400
- 329% higher Geekbench 6 (multi): 14,361 vs 3,350
- Lower launch price: $165 vs $242
General
| Spec | Intel Core i5-6600K | Intel Core Ultra 5 225F |
|---|---|---|
| Announced | 2015 | 2025 |
| Socket | LGA1151 | LGA1851 |
| Process | 14 nm | 3 nm+79% |
| Base TDP | 91 W | 65 W+29% |
| Max turbo power | — | 121 W |
| Unlocked multiplier | Yes | No |
| Cooler included | No | No |
Cores & Clocks
| Spec | Intel Core i5-6600K | Intel Core Ultra 5 225F |
|---|---|---|
| Cores | 4 | 10+150% |
| Performance cores | 4 | 6+50% |
| Efficiency cores | 0 | 4 |
| Threads | 4 | 10+150% |
| Base clock | 3.5 GHz+6% | 3.3 GHz |
| Boost clock | 3.9 GHz | 4.9 GHz+26% |
| L2 cache | 1 MB | 22 MB+2100% |
| L3 cache | 6 MB | 20 MB+233% |
Integrated GPU
| Spec | Intel Core i5-6600K | Intel Core Ultra 5 225F |
|---|---|---|
| iGPU | Intel HD Graphics 530 | — |
| iGPU clock | 1,150 MHz | — |
Memory
| Spec | Intel Core i5-6600K | Intel Core Ultra 5 225F |
|---|---|---|
| Memory support | DDR4-2133 / DDR3L-1600 | DDR5-6400 |
| Max memory | 64 GB | 256 GB+300% |
| Memory channels | 2 | 2 |
Platform
| Spec | Intel Core i5-6600K | Intel Core Ultra 5 225F |
|---|---|---|
| PCIe version | 3 | 5+67% |
| CPU PCIe lanes | 16 | 24+50% |
Benchmarks
| Spec | Intel Core i5-6600K | Intel Core Ultra 5 225F |
|---|---|---|
| Geekbench 6 (single) | 1,300Bottom 19% | 2,848+119%Top 29% |
| Geekbench 6 (multi) | 3,350Bottom 9% | 14,361+329%Top 35% |
| Cinebench R23 (single) | 1,110Bottom 18% | 1,893+71%Top 34% |
| Cinebench R23 (multi) | 4,050Bottom 10% | 16,467+307%Top 38% |
| PassMark | 6,400Bottom 8% | 31,008+385%Top 37% |
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 225Fvs AMD Ryzen 5 7600VSIntel Core Ultra 5 225Fvs AMD Ryzen 9 3950XVSIntel Core Ultra 5 225Fvs Intel Core i5-14500VSIntel Core Ultra 5 225Fvs AMD Ryzen 5 7600XVS