Intel Core i5-6600K vs Intel Core Ultra 5 235
29Single-core80.2
24Multi-core64.9
23.8Gamingspec-based57.2
2 spec wins — Intel Core i5-6600K18 spec wins — Intel Core Ultra 5 235
InnoReviews verdict
Intel Core Ultra 5 235 wins this desktop processor face-off, 67.5 to 25.4, pulling ahead mainly in single-core (+51) and multi-core (+41). 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 5 235
- Stronger single-core score: 80 vs 29
- Stronger multi-core score: 65 vs 24
- 2500% higher L2 cache: 26 MB vs 1 MB
- 484% higher PassMark: 37,396 vs 6,400
- 435% higher Cinebench R23 (multi): 21,677 vs 4,050
General
| Spec | Intel Core i5-6600K | Intel Core Ultra 5 235 |
|---|---|---|
| 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 | — |
Cores & Clocks
| Spec | Intel Core i5-6600K | Intel Core Ultra 5 235 |
|---|---|---|
| Cores | 4 | 14+250% |
| Performance cores | 4 | 6+50% |
| Efficiency cores | 0 | 8 |
| Threads | 4 | 14+250% |
| Base clock | 3.5 GHz+3% | 3.4 GHz |
| Boost clock | 3.9 GHz | 5 GHz+28% |
| L2 cache | 1 MB | 26 MB+2500% |
| L3 cache | 6 MB | 24 MB+300% |
Integrated GPU
| Spec | Intel Core i5-6600K | Intel Core Ultra 5 235 |
|---|---|---|
| iGPU | Intel HD Graphics 530 | Intel Graphics |
| iGPU clock | 1,150 MHz | 2,000 MHz |
Memory
| Spec | Intel Core i5-6600K | Intel Core Ultra 5 235 |
|---|---|---|
| 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 5 235 |
|---|---|---|
| PCIe version | 3 | 5+67% |
| CPU PCIe lanes | 16 | 24+50% |
Benchmarks
| Spec | Intel Core i5-6600K | Intel Core Ultra 5 235 |
|---|---|---|
| Geekbench 6 (single) | 1,300Bottom 19% | 2,963+128%Top 21% |
| Geekbench 6 (multi) | 3,350Bottom 9% | 17,645+427%Top 22% |
| Cinebench R23 (single) | 1,110Bottom 18% | 2,057+85%Top 21% |
| Cinebench R23 (multi) | 4,050Bottom 10% | 21,677+435%Top 28% |
| PassMark | 6,400Bottom 8% | 37,396+484%Top 31% |
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