Key Differences
In short — Core i7-7740X outperforms the cheaper Core i5-8400 on the selected game parameters. However, the worse performing Core i5-8400 is a better bang for your buck. The better performing Core i7-7740X is 101 days older than the cheaper Core i5-8400.
Advantages of Intel Core i7-7740X
- Performs up to 6% better in Tom Clancy's Rainbow Six Siege than Core i5-8400 - 587 vs 552 FPS
- Can execute more multi-threaded tasks simultaneously than Intel Core i5-8400 - 8 vs 6 threads
Advantages of Intel Core i5-8400
- Up to 31% cheaper than Core i7-7740X - $130.73 vs $189.0
- Up to 25% better value when playing Tom Clancy's Rainbow Six Siege than Core i7-7740X - $0.24 vs $0.32 per FPS
- Consumes up to 42% less energy than Intel Core i7-7740X - 65 vs 112 Watts
Tom Clancy's Rainbow Six Siege
Resolution
1920 x 1080
Game Graphics
Ultra
Buy for $189 on Amazon
In Stock
Updated 5184 minutes ago
Desktop • Oct 5th, 2017
FPS
552
94%
Value, $/FPS
$0.24/FPS
100%
Price, $
$130.73
100%
Value Winner
Buy for $130.73 on Amazon
In Stock
Updated 5184 minutes ago
TOP 5 Games
Resolution
1920 x 1080
Game Graphics
Ultra
Desktop • Jun 26th, 2017
Desktop • Oct 5th, 2017
Geekbench 5 Benchmarks
Intel Core i7-7740X | vs | Intel Core i5-8400 |
---|---|---|
Jun 26th, 2017 | Release Date | Oct 5th, 2017 |
Core i7 | Collection | Core i5 |
Kaby Lake | Codename | Coffee Lake |
Intel Socket 2066 | Socket | Intel Socket 1151 |
Desktop | Segment | Desktop |
4 | Cores | 6 |
8 | Threads | 6 |
4.3 GHz | Base Clock Speed | 2.8 GHz |
4.5 GHz | Turbo Clock Speed | 4.0 GHz |
112 W | TDP | 65 W |
14 nm | Process Size | 14 nm |
43.0x | Multiplier | 28.0x |
None | Integrated Graphics | None |
Yes | Overclockable | No |