Buy on Amazon
$139
In Stock
Availability
Availability
AvailabilityMSRP in USD: $539
Availability
MSRP in USD: $539
Key Differences
In short — Core i9-11900K outperforms the cheaper Core i5-8400T on the selected game parameters. However, the worse performing Core i5-8400T is a better bang for your buck. The better performing Core i9-11900K is 1079 days newer than the cheaper Core i5-8400T.
Advantages of Intel Core i5-8400T
- Up to 50% cheaper than Core i9-11900K - $139.0 vs $279.99
- Up to 47% better value when playing F1 22 than Core i9-11900K - $0.52 vs $0.98 per FPS
- Consumes up to 72% less energy than Intel Core i9-11900K - 35 vs 125 Watts
Advantages of Intel Core i9-11900K
- Performs up to 7% better in F1 22 than Core i5-8400T - 287 vs 269 FPS
- Can execute more multi-threaded tasks simultaneously than Intel Core i5-8400T - 16 vs 6 threads
- Works without a dedicated GPU, while Intel Core i5-8400T doesn't have integrated graphics
F1 22
Resolution
1920 x 1080
Game Graphics
Ultra High
Core i5-8400T
Desktop • Apr 2nd, 2018
FPS
269
93.72822299651567%
Value, $/FPS
$0.52/FPS
100%
Price, $
$139
100%
Value Winner
Intel Core i5-8400T prcsr Tray
Buy for $139 on Amazon
In Stock
Updated 6480 minutes ago
Core i9-11900K
Desktop • Mar 16th, 2021
FPS
287
100%
Value, $/FPS
$0.98/FPS
53.06122448979592%
Price, $
$279.99
49%
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 $279.99 on Amazon
In Stock
Updated 6484 minutes ago
TOP 5 Games
Resolution
1920 x 1080
Game Graphics
Ultra High
Core i5-8400T
Desktop • Apr 2nd, 2018
Core i9-11900K
Desktop • Mar 16th, 2021
Geekbench 5 Benchmarks
Core i5-8400T
Desktop • Apr 2nd, 2018
Single-Core
1099
46.351750316322224%
Multi-Core
3884
35.47679941541834%
Intel Core i5-8400T | vs | Intel Core i9-11900K |
|---|---|---|
| Apr 2nd, 2018 | Release Date | Mar 16th, 2021 |
| Core i5 | Collection | Core i9 |
| Coffee Lake | Codename | Rocket Lake |
| Intel Socket 1151 | Socket | Intel Socket 1200 |
Desktop | Segment | Desktop |
| 6 | Cores | 8 |
| 6 | Threads | 16 |
| 1.7 GHz | Base Clock Speed | 3.5 GHz |
| 3.3 GHz | Turbo Clock Speed | 5.3 GHz |
35 W | TDP | 125 W |
| 14 nm | Process Size | 14 nm |
| 17.0x | Multiplier | 35.0x |
| None | Integrated Graphics | UHD Graphics 750 |
| No | Overclockable | Yes |
Builds Using Core i5-8400T or Core i9-11900K
F1 22, 1920 x 1080, Ultra High
135 FPS
$11.85/FPS
GeForce RTX 4060
Core i9-11900K
32 GB, 1 TB SSD + 1 TB HDD
Buy on Amazon
$1,599.99
In Stock
119 FPS
$14.28/FPS
GeForce RTX 3060
Core i9-11900K
64 GB, 512 GB SSD
Buy on Amazon
$1,699
In Stock
119 FPS
$17.3/FPS
GeForce RTX 3060
Core i9-11900K
16 GB, 2 TB SSD
Buy on Amazon
$2,059
In Stock
135 FPS
$14.65/FPS
GeForce RTX 4060
Core i9-11900K
32 GB, 512 GB SSD + 1 TB HDD
Buy on Amazon
$1,978
In Stock
96 FPS
$19.26/FPS
GeForce RTX 3050
Core i9-11900K
32 GB, 2 TB SSD
Buy on Amazon
$1,849
In Stock
119 FPS
$17.3/FPS
GeForce RTX 3060
Core i9-11900K
16 GB, 1 TB SSD
Buy on Amazon
$2,059
In Stock
96 FPS
$19.78/FPS
GeForce RTX 3050
Core i9-11900K
64 GB, 2 TB SSD
Buy on Amazon
$1,899
In Stock
189 FPS
$11.39/FPS
GeForce RTX 3080
Core i9-11900K
16 GB, 1 TB SSD + 2 TB HDD
Buy on Amazon
$2,152.93
In Stock
189 FPS
$17.99/FPS
GeForce RTX 3080
Core i9-11900K
16 GB, N/A Storage
Buy on Amazon
$3,399.99
In Stock
119 FPS
$15.78/FPS
GeForce RTX 3060
Core i9-11900K
64 GB, 1 TB SSD
Buy on Amazon
$1,878
In Stock
Similar CPU Comparisons
Select from the most popular similar processor comparisons. Most compared processor combinations, including the currently selected ones, are at the top.
