Buy on Amazon
$130.73
In Stock
Availability
Availability
Availability
Availability
Key Differences
In short — Core i9-10900K 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 i9-10900K is 938 days newer than the cheaper Core i5-8400.
Advantages of Intel Core i5-8400
- Up to 70% cheaper than Core i9-10900K - $130.73 vs $440.0
- Up to 69% better value when playing Far Cry 5 than Core i9-10900K - $0.63 vs $2.01 per FPS
- Consumes up to 48% less energy than Intel Core i9-10900K - 65 vs 125 Watts
Advantages of Intel Core i9-10900K
- Performs up to 5% better in Far Cry 5 than Core i5-8400 - 219 vs 208 FPS
- Can execute more multi-threaded tasks simultaneously than Intel Core i5-8400 - 20 vs 6 threads
- Works without a dedicated GPU, while Intel Core i5-8400 doesn't have integrated graphics
Far Cry 5
Resolution
1920 x 1080
Game Graphics
Ultra
Core i5-8400
Desktop • Oct 5th, 2017
FPS
208
94%
Value, $/FPS
$0.63/FPS
100%
Price, $
$130.73
100%
Value Winner
Intel Core i5-8400 Desktop Processor 6 Cores up to 4.0 GHz LGA 1151 300 Series 65W
Buy for $130.73 on Amazon
In Stock
Updated 7111 minutes ago
Intel Core i9-10900K Desktop Processor 10 Cores up to 5.3 GHz Unlocked LGA1200 (Intel 400 Series Chipset) 125W
Buy for $440 on Amazon
In Stock
Updated 7110 minutes ago
TOP 5 Games
Resolution
1920 x 1080
Game Graphics
Ultra
Core i5-8400
Desktop • Oct 5th, 2017
Core i9-10900K
Desktop • Apr 30th, 2020
Geekbench 5 Benchmarks
Intel Core i5-8400 | vs | Intel Core i9-10900K |
|---|---|---|
| Oct 5th, 2017 | Release Date | Apr 30th, 2020 |
| Core i5 | Collection | Core i9 |
| Coffee Lake | Codename | Comet Lake |
| Intel Socket 1151 | Socket | Intel Socket 1200 |
Desktop | Segment | Desktop |
| 6 | Cores | 10 |
| 6 | Threads | 20 |
| 2.8 GHz | Base Clock Speed | 3.7 GHz |
| 4.0 GHz | Turbo Clock Speed | 5.3 GHz |
65 W | TDP | 125 W |
| 14 nm | Process Size | 14 nm |
| 28.0x | Multiplier | 37.0x |
| None | Integrated Graphics | UHD Graphics 630 |
| No | Overclockable | Yes |
Builds Using Core i5-8400 or Core i9-10900K
Far Cry 5, 1920 x 1080, Ultra
144 FPS
$13.89/FPS
GeForce RTX 3080 Ti
Core i9-10900K
32 GB, 1 TB SSD
Buy on Amazon
$1,999.99
In Stock
146 FPS
$40.32/FPS
GeForce RTX 3090
Core i9-10900K
16 GB, 1 TB SSD + 2 TB HDD
Buy on Amazon
$5,886
In Stock
96 FPS
$21.87/FPS
GeForce RTX 3060
Core i9-10900K
32 GB, 4 TB HDD
Buy on Amazon
$2,099.99
In Stock
219 FPS
$19.86/FPS
GeForce RTX 4090
Core i9-10900K
32 GB, 8 TB HDD
Buy on Amazon
$4,349.99
In Stock
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