Buy on Amazon
$67.64
In Stock
AvailabilityMSRP in USD: $182
Availability
MSRP in USD: $182
AvailabilityMSRP in USD: $488
Availability
MSRP in USD: $488
Key Differences
In short — Core i9-9900K outperforms the cheaper Core i5-6400 on the selected game parameters. We do not have the prices of both CPUs to compare value. The better performing Core i9-9900K is 1205 days newer than the cheaper Core i5-6400.
Advantages of Intel Core i5-6400
- Up to 82% cheaper than Core i9-9900K - $67.64 vs $385.0
- Consumes up to 32% less energy than Intel Core i9-9900K - 65 vs 95 Watts
Advantages of Intel Core i9-9900K
- Performs up to 4% better in Deathloop than Core i5-6400 - 181 vs 174 FPS
- Can execute more multi-threaded tasks simultaneously than Intel Core i5-6400 - 16 vs 4 threads
Deathloop
Resolution
1920 x 1080
Game Graphics
Ultra
Intel Boxed Core I5-6400 FC-LGA14C 2.70 Ghz 6 M Processor Cache 4 LGA 1151 BX80662I56400
Buy for $67.64 on Amazon
In Stock
Updated 75093 minutes ago
Intel Core i9-9900K Desktop Processor 8 Cores up to 5.0 GHz Turbo Unlocked LGA1151 300 Series 95W
Buy for $385 on Amazon
In Stock
Updated 75092 minutes ago
TOP 5 Games
Resolution
1920 x 1080
Game Graphics
Ultra
Core i5-6400
Desktop • Jul 2nd, 2015
Core i9-9900K
Desktop • Oct 19th, 2018
Geekbench 5 Benchmarks
Core i5-6400
Desktop • Jul 2nd, 2015
Single-Core
1111
66.60671462829735%
Multi-Core
3023
37.97738693467337%
Intel Core i5-6400 | vs | Intel Core i9-9900K |
|---|---|---|
| Jul 2nd, 2015 | Release Date | Oct 19th, 2018 |
| Core i5 | Collection | Core i9 |
| Skylake | Codename | Coffee Lake |
| Intel Socket 1151 | Socket | Intel Socket 1151 |
Desktop | Segment | Desktop |
| 4 | Cores | 8 |
| 4 | Threads | 16 |
| 2.7 GHz | Base Clock Speed | 3.6 GHz |
| 3.3 GHz | Turbo Clock Speed | 5.0 GHz |
65 W | TDP | 95 W |
| 14 nm | Process Size | 14 nm |
| 27.0x | Multiplier | 36.0x |
| HD Graphics 530 | Integrated Graphics | UHD Graphics 630 |
| No | Overclockable | Yes |
Builds Using Core i5-6400 or Core i9-9900K
Deathloop, 1920 x 1080, Ultra
97 FPS
$48.45/FPS
GeForce RTX 2080 Ti
Core i9-9900K
16 GB, 2 TB HDD
Buy on Amazon
$4,699.99
In Stock
79 FPS
$50.62/FPS
GeForce RTX 2080
Core i9-9900K
32 GB, 512 GB SSD + 1 TB HDD
Buy on Amazon
$3,999
In Stock
69 FPS
$56.51/FPS
GeForce RTX 2070
Core i9-9900K
16 GB, 960 GB SSD + 3 TB HDD
Buy on Amazon
$3,899
In Stock
46 FPS
$8.15/FPS
GeForce GTX 1070
Core i5-6400
16 GB, N/A Storage
Buy on Amazon
$374.99
In Stock
Similar CPU Comparisons
Select from the most popular similar processor comparisons. Most compared processor combinations, including the currently selected ones, are at the top.
