Buy on Amazon
$265
In Stock
AvailabilityMSRP in USD: $539
Availability
MSRP in USD: $539
AvailabilityMSRP in USD: $182
Availability
MSRP in USD: $182
Key Differences
In short — Core i9-11900K 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 i9-11900K is 2084 days newer than the cheaper Core i5-6400.
Advantages of Intel Core i9-11900K
- Performs up to 37% better in Far Cry 3 than Core i5-6400 - 184 vs 134 FPS
- Can execute more multi-threaded tasks simultaneously than Intel Core i5-6400 - 16 vs 4 threads
Advantages of Intel Core i5-6400
- Up to 62% cheaper than Core i9-11900K - $99.95 vs $265.0
- Up to 48% better value when playing Far Cry 3 than Core i9-11900K - $0.75 vs $1.44 per FPS
- Consumes up to 48% less energy than Intel Core i9-11900K - 65 vs 125 Watts
Far Cry 3
Resolution
1920 x 1080
Game Graphics
Ultra
Core i9-11900K
Desktop • Mar 16th, 2021
FPS
184
100%
Value, $/FPS
$1.44/FPS
52.083333333333336%
Price, $
$265
37%
FPS Winner
Intel Core i9-11900K Desktop Processor 8 Cores up to 5.3 GHz Unlocked LGA1200 (Intel 500 Series & Select 400 Chipset) 125W
Buy for $265 on Amazon
In Stock
Updated 349343 minutes ago
Core i5-6400
Desktop • Jul 2nd, 2015
FPS
134
72.82608695652173%
Value, $/FPS
$0.75/FPS
100%
Price, $
$99.95
100%
Value Winner
Intel Boxed Core I5-6400 FC-LGA14C 2.70 Ghz 6 M Processor Cache 4 LGA 1151 BX80662I56400
Buy for $99.95 on Amazon
In Stock
Updated 349344 minutes ago
TOP 5 Games
Resolution
1920 x 1080
Game Graphics
Ultra
Core i9-11900K
Desktop • Mar 16th, 2021
Core i5-6400
Desktop • Jul 2nd, 2015
Geekbench 5 Benchmarks
Core i5-6400
Desktop • Jul 2nd, 2015
Single-Core
1111
46.857865879375794%
Multi-Core
3023
27.612349287541104%
Intel Core i9-11900K | vs | Intel Core i5-6400 |
|---|---|---|
Mar 16th, 2021 | Release Date | Jul 2nd, 2015 |
| Core i9 | Collection | Core i5 |
| Rocket Lake | Codename | Skylake |
| Intel Socket 1200 | Socket | Intel Socket 1151 |
Desktop | Segment | Desktop |
8 | Cores | 4 |
16 | Threads | 4 |
3.5 GHz | Base Clock Speed | 2.7 GHz |
5.3 GHz | Turbo Clock Speed | 3.3 GHz |
| 125 W | TDP | 65 W |
| 14 nm | Process Size | 14 nm |
35.0x | Multiplier | 27.0x |
| UHD Graphics 750 | Integrated Graphics | HD Graphics 530 |
Yes | Overclockable | No |
Builds Using Core i9-11900K or Core i5-6400
Far Cry 3, 1920 x 1080, Ultra
123 FPS
$15.03/FPS
GeForce RTX 3050
Core i9-11900K
32 GB, 2 TB SSD
Buy on Amazon
$1,849
In Stock
163 FPS
$10.42/FPS
GeForce RTX 3080
Core i9-11900K
32 GB, N/A Storage
Buy on Amazon
$1,699
In Stock
133 FPS
$14.28/FPS
GeForce RTX 3060
Core i9-11900K
64 GB, 2 TB SSD
Buy on Amazon
$1,899
In Stock
141 FPS
$16.37/FPS
GeForce RTX 4060
Core i9-11900K
64 GB, 2 TB SSD
Buy on Amazon
$2,308
In Stock
123 FPS
$16.25/FPS
GeForce RTX 3050
Core i9-11900K
16 GB, 2 TB SSD
Buy on Amazon
$1,999
In Stock
163 FPS
$22.02/FPS
GeForce RTX 3080
Core i9-11900K
16 GB, 1 TB SSD + 2 TB HDD
Buy on Amazon
$3,589
In Stock
163 FPS
$15.21/FPS
GeForce RTX 3080
Core i9-11900K
16 GB, N/A Storage
Buy on Amazon
$2,478.59
In Stock
123 FPS
$15.03/FPS
GeForce RTX 3050
Core i9-11900K
64 GB, 1 TB SSD
Buy on Amazon
$1,849
In Stock
163 FPS
$13.91/FPS
GeForce RTX 3080
Core i9-11900K
16 GB, 2 TB SSD + 1 TB HDD
Buy on Amazon
$2,267
In Stock
145 FPS
$9.65/FPS
GeForce RTX 3060 Ti
Core i9-11900K
16 GB, N/A Storage
Buy on Amazon
$1,399
In Stock
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