Buy on Amazon
£150.64
In Stock
Availability
Availability
AvailabilityMSRP in USD: $539
Availability
MSRP in USD: $539
Key Differences
In short — Core i9-11900K outperforms the cheaper Core i5-9400 on the selected game parameters. We do not have the prices of both CPUs to compare value. The better performing Core i9-11900K is 879 days newer than the cheaper Core i5-9400.
Advantages of Intel Core i5-9400
- Up to 40% cheaper than Core i9-11900K - £150.64 vs £250.99
- Consumes up to 48% less energy than Intel Core i9-11900K - 65 vs 125 Watts
Advantages of Intel Core i9-11900K
- Performs up to 30% better in Far Cry 3 than Core i5-9400 - 184 vs 142 FPS
- Can execute more multi-threaded tasks simultaneously than Intel Core i5-9400 - 16 vs 6 threads
Far Cry 3
Resolution
1920 x 1080
Game Graphics
Ultra
Intel Core i5-9400 Desktop Processor 6 Cores 2. 90 GHz up to 4. 10 GHz Turbo LGA1151 300 Series 65W Processors BX80684I59400
Buy for £150.64 on Amazon
In Stock
Updated 74396 minutes ago
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 £250.99 on Amazon
In Stock
Updated 74395 minutes ago
TOP 5 Games
Resolution
1920 x 1080
Game Graphics
Ultra
Core i5-9400
Desktop • Oct 19th, 2018
Core i9-11900K
Desktop • Mar 16th, 2021
Geekbench 5 Benchmarks
Core i5-9400
Desktop • Oct 19th, 2018
Single-Core
1384
58.371994938844374%
Multi-Core
4795
43.79795396419438%
Intel Core i5-9400 | vs | Intel Core i9-11900K |
|---|---|---|
| Oct 19th, 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 |
| 2.9 GHz | Base Clock Speed | 3.5 GHz |
| 4.1 GHz | Turbo Clock Speed | 5.3 GHz |
65 W | TDP | 125 W |
| 14 nm | Process Size | 14 nm |
| 29.0x | Multiplier | 35.0x |
| UHD 630 | Integrated Graphics | UHD Graphics 750 |
| No | Overclockable | Yes |
Builds Using Core i5-9400 or Core i9-11900K
Far Cry 3, 1920 x 1080, Ultra
182 FPS
£9.94/FPS
GeForce RTX 4080
Core i9-11900K
16 GB, 1 TB SSD
Buy on Amazon
£1,809.6
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.
