Intel Core i7-6700K vs Intel Core Ultra 7 265K
30.7Single-core87.2
27Multi-core88.5
25.6Gamingspec-based65.7
2 spec wins — Intel Core i7-6700K17 spec wins — Intel Core Ultra 7 265K
InnoReviews verdict
Intel Core Ultra 7 265K wins this desktop processor face-off, 82.4 to 27.8, pulling ahead mainly in multi-core (+62) and single-core (+57). 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
- 27% lower Base TDP: 91 W vs 125 W
- Lower launch price: $339 vs $394
Reasons to pick the Intel Core Ultra 7 265K
- Stronger single-core score: 87 vs 31
- Stronger multi-core score: 89 vs 27
- 3500% higher L2 cache: 36 MB vs 1 MB
- 618% higher Cinebench R23 (multi): 35,905 vs 5,000
- 558% higher PassMark: 58,569 vs 8,900
General
| Spec | Intel Core i7-6700K | Intel Core Ultra 7 265K |
|---|---|---|
| Announced | 2015 | 2024 |
| Socket | LGA1151 | LGA1851 |
| Process | 14 nm | 3 nm+79% |
| Base TDP | 91 W+27% | 125 W |
| Max turbo power | — | 250 W |
| Unlocked multiplier | Yes | Yes |
| Cooler included | No | No |
Cores & Clocks
| Spec | Intel Core i7-6700K | Intel Core Ultra 7 265K |
|---|---|---|
| Cores | 4 | 20+400% |
| Performance cores | 4 | 8+100% |
| Efficiency cores | 0 | 12 |
| Threads | 8 | 20+150% |
| Base clock | 4 GHz+3% | 3.9 GHz |
| Boost clock | 4.2 GHz | 5.5 GHz+31% |
| L2 cache | 1 MB | 36 MB+3500% |
| L3 cache | 8 MB | 30 MB+275% |
Integrated GPU
| Spec | Intel Core i7-6700K | Intel Core Ultra 7 265K |
|---|---|---|
| iGPU | Intel HD Graphics 530 | Intel Graphics |
| iGPU clock | 1,150 MHz | 2,000 MHz |
Memory
| Spec | Intel Core i7-6700K | Intel Core Ultra 7 265K |
|---|---|---|
| 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 7 265K |
|---|---|---|
| PCIe version | 3 | 5+67% |
| CPU PCIe lanes | 16 | 24+50% |
Benchmarks
| Spec | Intel Core i7-6700K | Intel Core Ultra 7 265K |
|---|---|---|
| Geekbench 6 (single) | 1,420Bottom 25% | 3,092+118%Top 14% |
| Geekbench 6 (multi) | 4,650Bottom 19% | 20,019+331%Top 11% |
| Cinebench R23 (single) | 1,090Bottom 15% | 2,267+108%Top 6% |
| Cinebench R23 (multi) | 5,000Bottom 14% | 35,905+618%Top 10% |
| PassMark | 8,900Bottom 13% | 58,569+558%Top 9% |
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