Key Differences
In short — Core i7-7740X outperforms the cheaper Core i5-6400 on the selected game parameters. We do not have the prices of both CPUs to compare value. The better performing Core i7-7740X is 725 days newer than the cheaper Core i5-6400.
Advantages of Intel Core i7-7740X
- Performs up to 35% better in Ratchet & Clank: Rift Apart than Core i5-6400 - 113 vs 84 FPS
- Can execute more multi-threaded tasks simultaneously than Intel Core i5-6400 - 8 vs 4 threads
Advantages of Intel Core i5-6400
- Up to 54% cheaper than Core i7-7740X - $61.8 vs $135.0
- Consumes up to 42% less energy than Intel Core i7-7740X - 65 vs 112 Watts
- Works without a dedicated GPU, while Intel Core i7-7740X doesn't have integrated graphics
Ratchet & Clank: Rift Apart
Resolution
1920 x 1080
Game Graphics
Very High
Buy for $135 on Amazon
In Stock
Updated 261 minutes ago
Buy for $61.8 on Amazon
In Stock
Updated 262 minutes ago
TOP 5 Games
Resolution
1920 x 1080
Game Graphics
Very High
Desktop • Jun 26th, 2017
Desktop • Jul 2nd, 2015
Geekbench 5 Benchmarks
Desktop • Jul 2nd, 2015
Single-Core
1111
67.99265605875154%
Multi-Core
3023
57.286336933863936%
Intel Core i7-7740X | vs | Intel Core i5-6400 |
---|---|---|
Jun 26th, 2017 | Release Date | Jul 2nd, 2015 |
Core i7 | Collection | Core i5 |
Kaby Lake | Codename | Skylake |
Intel Socket 2066 | Socket | Intel Socket 1151 |
Desktop | Segment | Desktop |
4 | Cores | 4 |
8 | Threads | 4 |
4.3 GHz | Base Clock Speed | 2.7 GHz |
4.5 GHz | Turbo Clock Speed | 3.3 GHz |
112 W | TDP | 65 W |
14 nm | Process Size | 14 nm |
43.0x | Multiplier | 27.0x |
None | Integrated Graphics | HD Graphics 530 |
Yes | Overclockable | No |