Buy on Amazon
$79
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. However, the worse performing Core i5-6400 is a better bang for your buck. The better performing Core i9-9900K is 1205 days newer than the cheaper Core i5-6400.
Advantages of Intel Core i5-6400
- Up to 80% cheaper than Core i9-9900K - $79.0 vs $405.0
- Up to 80% better value when playing The Witcher 3: Wild Hunt than Core i9-9900K - $0.48 vs $2.37 per FPS
- Consumes up to 32% less energy than Intel Core i9-9900K - 65 vs 95 Watts
Advantages of Intel Core i9-9900K
- Performs up to 5% better in The Witcher 3: Wild Hunt than Core i5-6400 - 171 vs 163 FPS
- Can execute more multi-threaded tasks simultaneously than Intel Core i5-6400 - 16 vs 4 threads
The Witcher 3: Wild Hunt
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 $79 on Amazon
In Stock
Updated 5300 minutes ago
Intel Core i9-9900K Desktop Processor 8 Cores up to 5.0 GHz Turbo Unlocked LGA1151 300 Series 95W
Buy for $405 on Amazon
In Stock
Updated 5299 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
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
The Witcher 3: Wild Hunt, 1920 x 1080, Ultra+
93 FPS
$50.54/FPS
GeForce RTX 2080 Ti
Core i9-9900K
16 GB, 2 TB HDD
Buy on Amazon
$4,699.99
In Stock
62 FPS
$62.89/FPS
GeForce RTX 2070
Core i9-9900K
16 GB, 960 GB SSD + 3 TB HDD
Buy on Amazon
$3,899
In Stock
73 FPS
$54.78/FPS
GeForce RTX 2080
Core i9-9900K
32 GB, 512 GB SSD + 1 TB HDD
Buy on Amazon
$3,999
In Stock
34 FPS
$24.27/FPS
GeForce GTX 1070
Core i5-6400
16 GB, N/A Storage
Buy on Amazon
$825.24
In Stock
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