Intel Core i7-14700K vs Intel Core i7-5820K
84Single-core20.7
85.7Multi-core30.2
68.6Gamingspec-based37.1
18 spec wins — Intel Core i7-14700K2 spec wins — Intel Core i7-5820K
InnoReviews verdict
Intel Core i7-14700K wins this desktop processor face-off, 80.9 to 29.1, pulling ahead mainly in single-core (+63) and multi-core (+56). Intel Core i7-5820K 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 i7-14700K
- Stronger single-core score: 84 vs 21
- Stronger multi-core score: 86 vs 30
- 1767% higher L2 cache: 28 MB vs 2 MB
- 455% higher Cinebench R23 (multi): 35,500 vs 6,400
- 325% higher PassMark: 54,000 vs 12,700
Reasons to pick the Intel Core i7-5820K
- 100% higher Memory channels: 4 vs 2
- 40% higher CPU PCIe lanes: 28 vs 20
General
| Spec | Intel Core i7-14700K | Intel Core i7-5820K |
|---|---|---|
| Announced | 2023 | 2014 |
| Socket | LGA1700 | LGA2011-v3 |
| Process | 10 nm+55% | 22 nm |
| Base TDP | 125 W+11% | 140 W |
| Max turbo power | 253 W | — |
| Unlocked multiplier | Yes | Yes |
| Cooler included | No | No |
Cores & Clocks
| Spec | Intel Core i7-14700K | Intel Core i7-5820K |
|---|---|---|
| Cores | 20+233% | 6 |
| Performance cores | 8+33% | 6 |
| Efficiency cores | 12 | 0 |
| Threads | 28+133% | 12 |
| Base clock | 3.4 GHz+3% | 3.3 GHz |
| Boost clock | 5.6 GHz+56% | 3.6 GHz |
| L2 cache | 28 MB+1767% | 2 MB |
| L3 cache | 33 MB+120% | 15 MB |
Integrated GPU
| Spec | Intel Core i7-14700K | Intel Core i7-5820K |
|---|---|---|
| iGPU | Intel UHD Graphics 770 | — |
| iGPU clock | 1,600 MHz | — |
Memory
| Spec | Intel Core i7-14700K | Intel Core i7-5820K |
|---|---|---|
| Memory support | DDR5-5600 / DDR4-3200 | DDR4-2133 |
| Max memory | 192 GB+200% | 64 GB |
| Memory channels | 2 | 4+100% |
Platform
| Spec | Intel Core i7-14700K | Intel Core i7-5820K |
|---|---|---|
| PCIe version | 5+67% | 3 |
| CPU PCIe lanes | 20 | 28+40% |
Benchmarks
| Spec | Intel Core i7-14700K | Intel Core i7-5820K |
|---|---|---|
| Geekbench 6 (single) | 3,000+188%Top 19% | 1,040Bottom 6% |
| Geekbench 6 (multi) | 19,300+278%Top 16% | 5,100Bottom 24% |
| Cinebench R23 (single) | 2,200+147%Top 13% | 890Bottom 5% |
| Cinebench R23 (multi) | 35,500+455%Top 11% | 6,400Bottom 19% |
| PassMark | 54,000+325%Top 14% | 12,700Bottom 20% |
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