Buy on Amazon
$67.64
In Stock
AvailabilityMSRP in USD: $182
Availability
MSRP in USD: $182
AvailabilityMSRP in USD: $539
Availability
MSRP in USD: $539
Key Differences
In short — Core i9-11900K 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 i9-11900K is 2084 days newer than the cheaper Core i5-6400.
Advantages of Intel Core i5-6400
- Up to 75% cheaper than Core i9-11900K - $67.64 vs $270.0
- Consumes up to 48% less energy than Intel Core i9-11900K - 65 vs 125 Watts
Advantages of Intel Core i9-11900K
- Performs up to 17% better in No Man's Sky than Core i5-6400 - 198 vs 169 FPS
- Can execute more multi-threaded tasks simultaneously than Intel Core i5-6400 - 16 vs 4 threads
No Man's Sky
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 75095 minutes ago
Intel Core i9-11900K Desktop Processor 8 Cores up to 5.3 GHz Unlocked LGA1200 (Intel 500 Series & Select 400 Chipset) 125W
Buy for $270 on Amazon
In Stock
Updated 75094 minutes ago
TOP 5 Games
Resolution
1920 x 1080
Game Graphics
Ultra
Core i5-6400
Desktop • Jul 2nd, 2015
Core i9-11900K
Desktop • Mar 16th, 2021
Geekbench 5 Benchmarks
Core i5-6400
Desktop • Jul 2nd, 2015
Single-Core
1111
46.857865879375794%
Multi-Core
3023
27.612349287541104%
Intel Core i5-6400 | vs | Intel Core i9-11900K |
|---|---|---|
| Jul 2nd, 2015 | Release Date | Mar 16th, 2021 |
| Core i5 | Collection | Core i9 |
| Skylake | Codename | Rocket Lake |
| Intel Socket 1151 | Socket | Intel Socket 1200 |
Desktop | Segment | Desktop |
| 4 | Cores | 8 |
| 4 | Threads | 16 |
| 2.7 GHz | Base Clock Speed | 3.5 GHz |
| 3.3 GHz | Turbo Clock Speed | 5.3 GHz |
65 W | TDP | 125 W |
| 14 nm | Process Size | 14 nm |
| 27.0x | Multiplier | 35.0x |
| HD Graphics 530 | Integrated Graphics | UHD Graphics 750 |
| No | Overclockable | Yes |
Builds Using Core i5-6400 or Core i9-11900K
No Man's Sky, 1920 x 1080, Ultra
125 FPS
$11.2/FPS
GeForce RTX 4060
Core i9-11900K
32 GB, 1 TB SSD + 1 TB HDD
Buy on Amazon
$1,399.99
In Stock
112 FPS
$16.95/FPS
GeForce RTX 3060
Core i9-11900K
64 GB, 2 TB SSD
Buy on Amazon
$1,898
In Stock
125 FPS
$15.82/FPS
GeForce RTX 4060
Core i9-11900K
32 GB, 512 GB SSD + 1 TB HDD
Buy on Amazon
$1,978
In Stock
93 FPS
$19.88/FPS
GeForce RTX 3050
Core i9-11900K
32 GB, 2 TB SSD
Buy on Amazon
$1,849
In Stock
112 FPS
$18.38/FPS
GeForce RTX 3060
Core i9-11900K
16 GB, 1 TB SSD
Buy on Amazon
$2,059
In Stock
164 FPS
$21.95/FPS
GeForce RTX 3080
Core i9-11900K
16 GB, 1 TB SSD + 2 TB HDD
Buy on Amazon
$3,599
In Stock
164 FPS
$20.73/FPS
GeForce RTX 3080
Core i9-11900K
16 GB, N/A Storage
Buy on Amazon
$3,399.99
In Stock
125 FPS
$15.2/FPS
GeForce RTX 4060
Core i9-11900K
64 GB, 1 TB SSD + 2 TB HDD
Buy on Amazon
$1,899.99
In Stock
93 FPS
$20.42/FPS
GeForce RTX 3050
Core i9-11900K
64 GB, 2 TB SSD
Buy on Amazon
$1,899
In Stock
93 FPS
$21.49/FPS
GeForce RTX 3050
Core i9-11900K
16 GB, 2 TB SSD
Buy on Amazon
$1,999
In Stock
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