Buy on Amazon
£345.74
In Stock
Prices and Stock
Prices and Stock
All items are out of stock
Prices and StockMSRP $539
Prices and Stock
MSRP $539
Key Differences
In short — Core i9-11900K outperforms Core i5-8400T on the selected game parameters. We do not have the prices of both CPUs to compare value. The better performing Core i9-11900K is 1079 days newer than Core i5-8400T.
Advantages of Core i5-8400T
- Consumes up to 72% less energy than Intel Core i9-11900K - 35 vs 125 Watts
Advantages of Core i9-11900K
- Performs up to 55% better in Counter-Strike 2 than Core i5-8400T - 500 vs 322 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
Counter-Strike 2
Resolution
1920 x 1080
Game Graphics
Very High
Core i9-11900K
Desktop • Mar 16th, 2021
FPS
500
100%
Value, £/FPS
£0.69/FPS
100%
Price, £
£345.74
100%
FPS and Value Winner
Intel® Core™ i9-11900K Desktop Processor 8 Cores up to 5.3 GHz Unlocked LGA1200 (Intel® 500 Series & select 400 Series chipset) 125W
Buy for £345.74 on Amazon
In Stock
Updated 351 minutes ago
My Games
With selected game settings
Resolution
1920 x 1080
Game Graphics
Very High
Core i5-8400T
Desktop • Apr 2nd, 2018
Core i9-11900K
Desktop • Mar 16th, 2021
Geekbench 5 Benchmarks
Core i5-8400T | vs | 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 |
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