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Key Differences
In short — Core i9-7900X outperforms Core i5-6400 on the selected game parameters. We do not have the prices of both CPUs to compare value. The better performing Core i9-7900X is 725 days newer than Core i5-6400.
Advantages of Intel Core i5-6400
- Consumes up to 54% less energy than Intel Core i9-7900X - 65 vs 140 Watts
- Works without a dedicated GPU, while Intel Core i9-7900X doesn't have integrated graphics
Advantages of Intel Core i9-7900X
- Performs up to 7% better in Dota 2 than Core i5-6400 - 205 vs 192 FPS
- Can execute more multi-threaded tasks simultaneously than Intel Core i5-6400 - 20 vs 4 threads
Dota 2
Resolution
1920 x 1080
Game Graphics
Best Looking
Intel Boxed Core I5-6400 FC-LGA14C 2.70 Ghz 6 M Processor Cache 4 LGA 1151 BX80662I56400
Buy for CA$133.36 on Amazon
In Stock
Updated 23 minutes ago
TOP 5 Games
Resolution
1920 x 1080
Game Graphics
Best Looking
Core i5-6400
Desktop • Jul 2nd, 2015
Core i9-7900X
Desktop • Jun 26th, 2017
Geekbench 5 Benchmarks
Core i5-6400
Desktop • Jul 2nd, 2015
Single-Core
1111
78.12939521800281%
Multi-Core
3023
34.42660289260904%
Intel Core i5-6400 | vs | Intel Core i9-7900X |
|---|---|---|
| Jul 2nd, 2015 | Release Date | Jun 26th, 2017 |
| Core i5 | Collection | Core i9 |
| Skylake | Codename | Skylake-E/EP |
| Intel Socket 1151 | Socket | Intel Socket 2066 |
Desktop | Segment | Desktop |
| 4 | Cores | 10 |
| 4 | Threads | 20 |
| 2.7 GHz | Base Clock Speed | 3.3 GHz |
| 3.3 GHz | Turbo Clock Speed | 4.3 GHz |
65 W | TDP | 140 W |
| 14 nm | Process Size | 14 nm |
| 27.0x | Multiplier | 33.0x |
HD Graphics 530 | Integrated Graphics | None |
| No | Overclockable | Yes |
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