Intel Core i5-11600K vs Intel Core i5-6600K
48Single-core29
39.1Multi-core24
39.8Gamingspec-based23.8
16 spec wins — Intel Core i5-11600K1 spec wins — Intel Core i5-6600K
InnoReviews verdict
Intel Core i5-11600K wins this desktop processor face-off, 42 to 25.4, pulling ahead mainly in single-core (+19) and multi-core (+15). 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 i5-11600K
- Stronger single-core score: 48 vs 29
- Stronger multi-core score: 39 vs 24
- 209% higher PassMark: 19,800 vs 6,400
- 200% higher threads: 12 vs 4
- 200% higher L2 cache: 3 MB vs 1 MB
Reasons to pick the Intel Core i5-6600K
- 27% lower Base TDP: 91 W vs 125 W
General
| Spec | Intel Core i5-11600K | Intel Core i5-6600K |
|---|---|---|
| Announced | 2021 | 2015 |
| Socket | LGA1200 | LGA1151 |
| Process | 14 nm | 14 nm |
| Base TDP | 125 W | 91 W+27% |
| Max turbo power | 251 W | — |
| Unlocked multiplier | Yes | Yes |
| Cooler included | No | No |
Cores & Clocks
| Spec | Intel Core i5-11600K | Intel Core i5-6600K |
|---|---|---|
| Cores | 6+50% | 4 |
| Performance cores | 6+50% | 4 |
| Efficiency cores | 0 | 0 |
| Threads | 12+200% | 4 |
| Base clock | 3.9 GHz+11% | 3.5 GHz |
| Boost clock | 4.9 GHz+26% | 3.9 GHz |
| L2 cache | 3 MB+200% | 1 MB |
| L3 cache | 12 MB+100% | 6 MB |
Integrated GPU
| Spec | Intel Core i5-11600K | Intel Core i5-6600K |
|---|---|---|
| iGPU | Intel UHD Graphics 750 | Intel HD Graphics 530 |
| iGPU clock | 1,300 MHz | 1,150 MHz |
Memory
| Spec | Intel Core i5-11600K | Intel Core i5-6600K |
|---|---|---|
| Memory support | DDR4-3200 | DDR4-2133 / DDR3L-1600 |
| Max memory | 128 GB+100% | 64 GB |
| Memory channels | 2 | 2 |
Platform
| Spec | Intel Core i5-11600K | Intel Core i5-6600K |
|---|---|---|
| PCIe version | 4+33% | 3 |
| CPU PCIe lanes | 20+25% | 16 |
Benchmarks
| Spec | Intel Core i5-11600K | Intel Core i5-6600K |
|---|---|---|
| Geekbench 6 (single) | 1,870+44%Bottom 47% | 1,300Bottom 19% |
| Geekbench 6 (multi) | 7,100+112%Bottom 38% | 3,350Bottom 9% |
| Cinebench R23 (single) | 1,500+35%Bottom 45% | 1,110Bottom 17% |
| Cinebench R23 (multi) | 11,100+174%Bottom 42% | 4,050Bottom 9% |
| PassMark | 19,800+209%Bottom 36% | 6,400Bottom 8% |
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