Buy on Amazon
$99.95
In Stock
AvailabilityMSRP in USD: $182
Availability
MSRP in USD: $182
AvailabilityMSRP in USD: $513
Availability
MSRP in USD: $513
Key Differences
In short, we have a clear winner — Core i9-11900KF outperforms the cheaper Core i5-6400 on the selected game parameters, and is also 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 i5-6400
- Up to 58% cheaper than Core i9-11900KF - $99.95 vs $240.0
- 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
Advantages of Intel Core i9-11900KF
- Performs up to 259% better in Cities: Skylines II than Core i5-6400 - 61 vs 17 FPS
- Up to 33% better value when playing Cities: Skylines II than Core i5-6400 - $3.93 vs $5.88 per FPS
- Can execute more multi-threaded tasks simultaneously than Intel Core i5-6400 - 16 vs 4 threads
Cities: Skylines II
Resolution
1920 x 1080
Game Graphics
High
Core i5-6400
Desktop • Jul 2nd, 2015
FPS
17
27.86885245901639%
Value, $/FPS
$5.88/FPS
66.83673469387756%
Price, $
$99.95
100%
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 348505 minutes ago
Core i9-11900KF
Desktop • Mar 16th, 2021
FPS
61
100%
Value, $/FPS
$3.93/FPS
100%
Price, $
$240
41%
FPS and Value 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 348504 minutes ago
TOP 5 Games
Resolution
1920 x 1080
Game Graphics
High
Core i5-6400
Desktop • Jul 2nd, 2015
Core i9-11900KF
Desktop • Mar 16th, 2021
Geekbench 5 Benchmarks
Core i5-6400
Desktop • Jul 2nd, 2015
Single-Core
1111
47.94993526111351%
Multi-Core
3023
29.85679012345679%
Intel Core i5-6400 | vs | Intel Core i9-11900KF |
|---|---|---|
| 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 | None |
| No | Overclockable | Yes |
Builds Using Core i5-6400 or Core i9-11900KF
Cities: Skylines II, 1920 x 1080, High
26 FPS
$46.15/FPS
Radeon RX 6800 XT
Core i9-11900KF
32 GB, N/A Storage
Buy on Amazon
$1,199.99
In Stock
27 FPS
$122.22/FPS
GeForce RTX 3090
Core i9-11900KF
32 GB, 1 TB SSD + 2 TB HDD
Buy on Amazon
$3,299.97
In Stock
14 FPS
$133/FPS
GeForce RTX 3070
Core i9-11900KF
16 GB, 1 TB SSD
Buy on Amazon
$1,862
In Stock
14 FPS
$84.6/FPS
GeForce RTX 3070
Core i9-11900KF
16 GB, 1 TB SSD
Buy on Amazon
$1,184.4
In Stock
29 FPS
$110.34/FPS
Radeon RX 6900 XT
Core i9-11900KF
32 GB, N/A Storage
Buy on Amazon
$3,199.99
In Stock
27 FPS
$82.41/FPS
GeForce RTX 3090
Core i9-11900KF
16 GB, 1 TB SSD + 2 TB HDD
Buy on Amazon
$2,225
In Stock
23 FPS
$154.78/FPS
GeForce RTX 3080
Core i9-11900KF
64 GB, 2 TB HDD
Buy on Amazon
$3,559.99
In Stock
17 FPS
$102.94/FPS
GeForce RTX 3070 Ti
Core i9-11900KF
32 GB, 500 GB SSD + 4 TB HDD
Buy on Amazon
$1,749.99
In Stock
1 FPS
$807.49/FPS
GeForce GTX 1070
Core i5-6400
16 GB, N/A Storage
Buy on Amazon
$807.49
In Stock
23 FPS
$140.87/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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