Key Differences
In short — Core i7-9700K 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 i7-9700K is 379 days newer than the cheaper Core i5-8400.
Advantages of Intel Core i7-9700K
- Performs up to 7% better in Rust than Core i5-8400 - 207 vs 193 FPS
- Can execute more multi-threaded tasks simultaneously than Intel Core i5-8400 - 8 vs 6 threads
- Works without a dedicated GPU, while Intel Core i5-8400 doesn't have integrated graphics
Advantages of Intel Core i5-8400
- Up to 56% cheaper than Core i7-9700K - $130.73 vs $295.13
- Up to 52% better value when playing Rust than Core i7-9700K - $0.68 vs $1.43 per FPS
- Consumes up to 32% less energy than Intel Core i7-9700K - 65 vs 95 Watts
Rust
Resolution
1920 x 1080
Game Graphics
High
Desktop • Oct 19th, 2018
FPS
207
100%
Value, $/FPS
$1.43/FPS
47%
Price, $
$295.13
44%
FPS Winner
Buy for $295.13 on Amazon
In Stock
Updated 37 minutes ago
Desktop • Oct 5th, 2017
FPS
193
93%
Value, $/FPS
$0.68/FPS
100%
Price, $
$130.73
100%
Value Winner
Buy for $130.73 on Amazon
In Stock
Updated 38 minutes ago
TOP 5 Games
Resolution
1920 x 1080
Game Graphics
High
Desktop • Oct 19th, 2018
Desktop • Oct 5th, 2017
Geekbench 5 Benchmarks
Intel Core i7-9700K | vs | Intel Core i5-8400 |
---|---|---|
Oct 19th, 2018 | Release Date | Oct 5th, 2017 |
Core i7 | Collection | Core i5 |
Coffee Lake | Codename | Coffee Lake |
Intel Socket 1151 | Socket | Intel Socket 1151 |
Desktop | Segment | Desktop |
8 | Cores | 6 |
8 | Threads | 6 |
3.6 GHz | Base Clock Speed | 2.8 GHz |
4.9 GHz | Turbo Clock Speed | 4.0 GHz |
95 W | TDP | 65 W |
14 nm | Process Size | 14 nm |
36.0x | Multiplier | 28.0x |
UHD Graphics 630 | Integrated Graphics | None |
Yes | Overclockable | No |