Intel Core i7-5820K vs Intel Core i9-14900K
20.7Single-core88.2
30.2Multi-core94.5
37.1Gaming73.2
3 spec wins — Intel Core i7-5820K17 spec wins — Intel Core i9-14900K
InnoReviews verdict
Intel Core i9-14900K wins this desktop processor face-off, 87.3 to 29.1, pulling ahead mainly in Single-core (+68) and Multi-core (+64). 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 i7-5820K
- 100% higher Memory channels: 4 vs 2
- 40% higher CPU PCIe lanes: 28 vs 20
- Lower launch price: $389 vs $589
Reasons to pick the Intel Core i9-14900K
- Stronger Single-core score: 88 vs 21
- Stronger Multi-core score: 95 vs 30
- Stronger gaming score: 73 vs 37
- 2033% higher L2 cache: 32 MB vs 2 MB
- 525% higher Cinebench R23 (multi): 40,000 vs 6,400
General
| Spec | Intel Core i7-5820K | Intel Core i9-14900K |
|---|---|---|
| Announced | 2014 | 2023 |
| Socket | LGA2011-v3 | LGA1700 |
| Process | 22 nm | 10 nm+55% |
| Base TDP | 140 W | 125 W+11% |
| Max turbo power | — | 253 W |
| Unlocked multiplier | Yes | Yes |
| Cooler included | No | No |
Cores & Clocks
| Spec | Intel Core i7-5820K | Intel Core i9-14900K |
|---|---|---|
| Cores | 6 | 24+300% |
| Performance cores | 6 | 8+33% |
| Efficiency cores | 0 | 16 |
| Threads | 12 | 32+167% |
| Base clock | 3.3 GHz+3% | 3.2 GHz |
| Boost clock | 3.6 GHz | 6 GHz+67% |
| L2 cache | 2 MB | 32 MB+2033% |
| L3 cache | 15 MB | 36 MB+140% |
Integrated GPU
| Spec | Intel Core i7-5820K | Intel Core i9-14900K |
|---|---|---|
| iGPU | — | Intel UHD Graphics 770 |
| iGPU clock | — | 1,650 MHz |
Memory
| Spec | Intel Core i7-5820K | Intel Core i9-14900K |
|---|---|---|
| Memory support | DDR4-2133 | DDR5-5600 / DDR4-3200 |
| Max memory | 64 GB | 192 GB+200% |
| Memory channels | 4+100% | 2 |
Platform
| Spec | Intel Core i7-5820K | Intel Core i9-14900K |
|---|---|---|
| PCIe version | 3 | 5+67% |
| CPU PCIe lanes | 28+40% | 20 |
Benchmarks
| Spec | Intel Core i7-5820K | Intel Core i9-14900K |
|---|---|---|
| Geekbench 6 (single) | 1,040Top 95% | 3,130+201%Top 8% |
| Geekbench 6 (multi) | 5,100Top 73% | 21,000+312%Top 4% |
| Cinebench R23 (single) | 890Top 96% | 2,280+156%Top 3% |
| Cinebench R23 (multi) | 6,400Top 77% | 40,000+525%Top 4% |
| PassMark | 12,700Top 72% | 62,000+388%Top 5% |
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