Buy on Amazon
$468
In Stock
AvailabilityMSRP in USD: $488
Availability
MSRP in USD: $488
Availability
Availability
Key Differences
In short — Core i9-9900K 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 i9-9900K is 379 days newer than the cheaper Core i5-8400.
Advantages of Intel Core i9-9900K
- Performs up to 8% better in Dirt 5 than Core i5-8400 - 194 vs 179 FPS
- Can execute more multi-threaded tasks simultaneously than Intel Core i5-8400 - 16 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 70% cheaper than Core i9-9900K - $140.0 vs $468.0
- Up to 68% better value when playing Dirt 5 than Core i9-9900K - $0.78 vs $2.41 per FPS
- Consumes up to 32% less energy than Intel Core i9-9900K - 65 vs 95 Watts
Dirt 5
Resolution
1920 x 1080
Game Graphics
Ultra High
Core i9-9900K
Desktop • Oct 19th, 2018
FPS
194
100%
Value, $/FPS
$2.41/FPS
32.365145228215766%
Price, $
$468
29%
FPS Winner
Intel Core i9-9900K Desktop Processor 8 Cores up to 5.0 GHz Turbo Unlocked LGA1151 300 Series 95W
Buy for $468 on Amazon
In Stock
Updated 348676 minutes ago
Core i5-8400
Desktop • Oct 5th, 2017
FPS
179
92.26804123711341%
Value, $/FPS
$0.78/FPS
100%
Price, $
$140
100%
Value Winner
Intel Core i5-8400 Desktop Processor 6 Cores up to 4.0 GHz LGA 1151 300 Series 65W
Buy for $140 on Amazon
In Stock
Updated 348676 minutes ago
TOP 5 Games
Resolution
1920 x 1080
Game Graphics
Ultra High
Core i9-9900K
Desktop • Oct 19th, 2018
Core i5-8400
Desktop • Oct 5th, 2017
Geekbench 5 Benchmarks
Core i5-8400
Desktop • Oct 5th, 2017
Single-Core
1353
81.11510791366906%
Multi-Core
4748
59.64824120603015%
Intel Core i9-9900K | vs | Intel Core i5-8400 |
|---|---|---|
Oct 19th, 2018 | Release Date | Oct 5th, 2017 |
| Core i9 | Collection | Core i5 |
| Coffee Lake | Codename | Coffee Lake |
| Intel Socket 1151 | Socket | Intel Socket 1151 |
Desktop | Segment | Desktop |
8 | Cores | 6 |
16 | Threads | 6 |
3.6 GHz | Base Clock Speed | 2.8 GHz |
5.0 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 |
Builds Using Core i9-9900K or Core i5-8400
Dirt 5, 1920 x 1080, Ultra High
104 FPS
$45.19/FPS
GeForce RTX 2080 Ti
Core i9-9900K
16 GB, 2 TB HDD
Buy on Amazon
$4,699.99
In Stock
84 FPS
$45.25/FPS
GeForce RTX 2080
Core i9-9900K
32 GB, 512 GB SSD + 1 TB HDD
Buy on Amazon
$3,800.94
In Stock
73 FPS
$53.41/FPS
GeForce RTX 2070
Core i9-9900K
16 GB, 960 GB SSD + 3 TB HDD
Buy on Amazon
$3,899
In Stock
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