Intel Core i7-6700K vs Intel Core Ultra 5 225F
30.7Single-core74.4
27Multi-core54.7
25.6Gamingspec-based52.1
2 spec wins — Intel Core i7-6700K18 spec wins — Intel Core Ultra 5 225F
InnoReviews verdict
Intel Core Ultra 5 225F wins this desktop processor face-off, 60 to 27.8, pulling ahead mainly in single-core (+44) and multi-core (+28). Intel Core i7-6700K 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 i7-6700K
- 21% higher Base clock: 4 GHz vs 3.3 GHz
- Has Unlocked multiplier — the other doesn't
Reasons to pick the Intel Core Ultra 5 225F
- Stronger single-core score: 74 vs 31
- Stronger multi-core score: 55 vs 27
- 2100% higher L2 cache: 22 MB vs 1 MB
- 300% higher Max memory: 256 GB vs 64 GB
- 248% higher PassMark: 31,008 vs 8,900
- Lower launch price: $165 vs $339
General
| Spec | Intel Core i7-6700K | 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 i7-6700K | Intel Core Ultra 5 225F |
|---|---|---|
| Cores | 4 | 10+150% |
| Performance cores | 4 | 6+50% |
| Efficiency cores | 0 | 4 |
| Threads | 8 | 10+25% |
| Base clock | 4 GHz+21% | 3.3 GHz |
| Boost clock | 4.2 GHz | 4.9 GHz+17% |
| L2 cache | 1 MB | 22 MB+2100% |
| L3 cache | 8 MB | 20 MB+150% |
Integrated GPU
| Spec | Intel Core i7-6700K | Intel Core Ultra 5 225F |
|---|---|---|
| iGPU | Intel HD Graphics 530 | — |
| iGPU clock | 1,150 MHz | — |
Memory
| Spec | Intel Core i7-6700K | 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 i7-6700K | Intel Core Ultra 5 225F |
|---|---|---|
| PCIe version | 3 | 5+67% |
| CPU PCIe lanes | 16 | 24+50% |
Benchmarks
| Spec | Intel Core i7-6700K | Intel Core Ultra 5 225F |
|---|---|---|
| Geekbench 6 (single) | 1,420Bottom 25% | 2,848+101%Top 29% |
| Geekbench 6 (multi) | 4,650Bottom 19% | 14,361+209%Top 35% |
| Cinebench R23 (single) | 1,090Bottom 15% | 1,893+74%Top 34% |
| Cinebench R23 (multi) | 5,000Bottom 14% | 16,467+229%Top 38% |
| PassMark | 8,900Bottom 13% | 31,008+248%Top 37% |
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