Buy on Amazon
$175
In Stock
Availability
Availability
Availability
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Key Differences
In short — Core i7-8700K outperforms the cheaper Core i5-9400F on the selected game parameters. We do not have the prices of both CPUs to compare value. The better performing Core i7-8700K is 460 days older than the cheaper Core i5-9400F.
Advantages of Intel Core i7-8700K
- Performs up to 2% better in DOOM Eternal than Core i5-9400F - 496 vs 487 FPS
- Can execute more multi-threaded tasks simultaneously than Intel Core i5-9400F - 12 vs 6 threads
- Works without a dedicated GPU, while Intel Core i5-9400F doesn't have integrated graphics
Advantages of Intel Core i5-9400F
- Up to 51% cheaper than Core i7-8700K - $85.0 vs $175.0
- Consumes up to 32% less energy than Intel Core i7-8700K - 65 vs 95 Watts
DOOM Eternal
Resolution
1920 x 1080
Game Graphics
Nightmare
Intel Core i7-8700K Desktop Processor 6 Cores up to 4.7GHz Turbo Unlocked LGA1151 300 Series 95W
Buy for $175 on Amazon
In Stock
Updated 74134 minutes ago
Intel® Core™ i5-9400F Desktop Processor 6 Cores 4.1 GHz Turbo Without Graphics
Buy for $85 on Amazon
In Stock
Updated 74135 minutes ago
TOP 5 Games
Resolution
1920 x 1080
Game Graphics
Nightmare
Core i7-8700K
Desktop • Oct 5th, 2017
Core i5-9400F
Desktop • Jan 8th, 2019
Geekbench 5 Benchmarks
Core i5-9400F
Desktop • Jan 8th, 2019
Single-Core
1378
87.10493046776233%
Multi-Core
4834
75.02716126028248%
Intel Core i7-8700K | vs | Intel Core i5-9400F |
|---|---|---|
| Oct 5th, 2017 | Release Date | Jan 8th, 2019 |
| Core i7 | Collection | Core i5 |
| Coffee Lake | Codename | Coffee Lake |
| Intel Socket 1151 | Socket | Intel Socket 1151 |
Desktop | Segment | Desktop |
| 6 | Cores | 6 |
12 | Threads | 6 |
3.7 GHz | Base Clock Speed | 2.9 GHz |
4.7 GHz | Turbo Clock Speed | 4.1 GHz |
| 95 W | TDP | 65 W |
| 14 nm | Process Size | 14 nm |
37.0x | Multiplier | 29.0x |
UHD Graphics 630 | Integrated Graphics | None |
Yes | Overclockable | No |
Builds Using Core i7-8700K or Core i5-9400F
DOOM Eternal, 1920 x 1080, Nightmare
120 FPS
$8.74/FPS
GeForce GTX 1660
Core i5-9400F
8 GB, 240 GB SSD + 1 TB HDD
Buy on Amazon
$1,049
In Stock
120 FPS
$8.41/FPS
GeForce GTX 1660
Core i5-9400F
8 GB, 120 GB SSD + 1 TB HDD
Buy on Amazon
$1,009
In Stock
183 FPS
$10.93/FPS
GeForce GTX 1080 Ti
Core i7-8700K
16 GB, 2 TB HDD
Buy on Amazon
$1,999.99
In Stock
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