Buy on Amazon
$240
In Stock
AvailabilityMSRP in USD: $513
Availability
MSRP in USD: $513
AvailabilityMSRP in USD: $182
Availability
MSRP in USD: $182
Key Differences
In short — Core i9-11900KF 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 i9-11900KF is 2084 days newer than the cheaper Core i5-6400.
Advantages of Intel Core i9-11900KF
- Performs up to 7% better in Fortnite than Core i5-6400 - 238 vs 222 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 58% cheaper than Core i9-11900KF - $99.95 vs $240.0
- Up to 55% better value when playing Fortnite than Core i9-11900KF - $0.45 vs $1.01 per FPS
- Consumes up to 48% less energy than Intel Core i9-11900KF - 65 vs 125 Watts
- Works without a dedicated GPU, while Intel Core i9-11900KF doesn't have integrated graphics
Fortnite
Resolution
1920 x 1080
Game Graphics
Epic
Core i9-11900KF
Desktop • Mar 16th, 2021
FPS
238
100%
Value, $/FPS
$1.01/FPS
44.554455445544555%
Price, $
$240
41%
FPS Winner
Intel® Core™ i9-11900KF Desktop Processor 8 Cores up to 5.3 GHz Unlocked LGA1200 (Intel® 500 Series & Select 400 Series Chipset) 125W
Buy for $240 on Amazon
In Stock
Updated 361189 minutes ago
Core i5-6400
Desktop • Jul 2nd, 2015
FPS
222
93.27731092436974%
Value, $/FPS
$0.45/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 361190 minutes ago
TOP 5 Games
Resolution
1920 x 1080
Game Graphics
Epic
Core i9-11900KF
Desktop • Mar 16th, 2021
Core i5-6400
Desktop • Jul 2nd, 2015
Geekbench 5 Benchmarks
Core i5-6400
Desktop • Jul 2nd, 2015
Single-Core
1111
47.94993526111351%
Multi-Core
3023
29.85679012345679%
Intel Core i9-11900KF | 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 |
| None | Integrated Graphics | HD Graphics 530 |
Yes | Overclockable | No |
Builds Using Core i9-11900KF or Core i5-6400
Fortnite, 1920 x 1080, Epic
166 FPS
$7.23/FPS
Radeon RX 6800 XT
Core i9-11900KF
32 GB, N/A Storage
Buy on Amazon
$1,199.99
In Stock
170 FPS
$19.41/FPS
GeForce RTX 3090
Core i9-11900KF
32 GB, 1 TB SSD + 2 TB HDD
Buy on Amazon
$3,299.97
In Stock
130 FPS
$14.32/FPS
GeForce RTX 3070
Core i9-11900KF
16 GB, 1 TB SSD
Buy on Amazon
$1,862
In Stock
130 FPS
$9.11/FPS
GeForce RTX 3070
Core i9-11900KF
16 GB, 1 TB SSD
Buy on Amazon
$1,184.4
In Stock
175 FPS
$18.29/FPS
Radeon RX 6900 XT
Core i9-11900KF
32 GB, N/A Storage
Buy on Amazon
$3,199.99
In Stock
170 FPS
$13.09/FPS
GeForce RTX 3090
Core i9-11900KF
16 GB, 1 TB SSD + 2 TB HDD
Buy on Amazon
$2,225
In Stock
157 FPS
$22.68/FPS
GeForce RTX 3080
Core i9-11900KF
64 GB, 2 TB HDD
Buy on Amazon
$3,559.99
In Stock
139 FPS
$12.59/FPS
GeForce RTX 3070 Ti
Core i9-11900KF
32 GB, 500 GB SSD + 4 TB HDD
Buy on Amazon
$1,749.99
In Stock
56 FPS
$14.42/FPS
GeForce GTX 1070
Core i5-6400
16 GB, N/A Storage
Buy on Amazon
$807.49
In Stock
157 FPS
$20.64/FPS
GeForce RTX 3080
Core i9-11900KF
64 GB, 1 TB SSD + 2 TB HDD
Buy on Amazon
$3,239.99
In Stock
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