Buy on Amazon
£156.85
In Stock
Availability
Availability
AvailabilityMSRP in USD: $513
Availability
MSRP in USD: $513
Key Differences
In short — Core i9-11900KF outperforms the cheaper Core i5-8400 on the selected game parameters. We do not have the prices of both CPUs to compare value. The better performing Core i9-11900KF is 1258 days newer than the cheaper Core i5-8400.
Advantages of Intel Core i5-8400
- Up to 30% cheaper than Core i9-11900KF - £156.85 vs £222.9
- Consumes up to 48% less energy than Intel Core i9-11900KF - 65 vs 125 Watts
Advantages of Intel Core i9-11900KF
- Performs up to 55% better in Ratchet & Clank: Rift Apart than Core i5-8400 - 152 vs 98 FPS
- Can execute more multi-threaded tasks simultaneously than Intel Core i5-8400 - 16 vs 6 threads
Ratchet & Clank: Rift Apart
Resolution
1920 x 1080
Game Graphics
Very High
Intel Core i5-8400 Retail - (1151/Hex Core/2.80GHz/9MB/Coffee Lake/65W/Graphics)
Buy for £156.85 on Amazon
In Stock
Updated 74258 minutes ago
Intel Core i9-11900KF
Buy for £222.9 on Amazon
In Stock
Updated 74257 minutes ago
TOP 5 Games
Resolution
1920 x 1080
Game Graphics
Very High
Core i5-8400
Desktop • Oct 5th, 2017
Core i9-11900KF
Desktop • Mar 16th, 2021
Geekbench 5 Benchmarks
Core i5-8400
Desktop • Oct 5th, 2017
Single-Core
1353
58.394475615019424%
Multi-Core
4748
46.89382716049383%
Intel Core i5-8400 | vs | Intel Core i9-11900KF |
|---|---|---|
| Oct 5th, 2017 | 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 |
| 2.8 GHz | Base Clock Speed | 3.5 GHz |
| 4.0 GHz | Turbo Clock Speed | 5.3 GHz |
65 W | TDP | 125 W |
| 14 nm | Process Size | 14 nm |
| 28.0x | Multiplier | 35.0x |
| None | Integrated Graphics | None |
| No | Overclockable | Yes |
Builds Using Core i5-8400 or Core i9-11900KF
Ratchet & Clank: Rift Apart, 1920 x 1080, Very High
70 FPS
£18.19/FPS
GeForce RTX 4070
Core i9-11900KF
32 GB, 1 TB SSD
Buy on Amazon
£1,273.2
In Stock
52 FPS
£19.25/FPS
GeForce RTX 3070
Core i9-11900KF
32 GB, 1 TB SSD
Buy on Amazon
£1,000.8
In Stock
91 FPS
£14.85/FPS
GeForce RTX 4070 Ti
Core i9-11900KF
32 GB, 1 TB SSD
Buy on Amazon
£1,351.2
In Stock
31 FPS
£32.36/FPS
GeForce RTX 3060
Core i9-11900KF
32 GB, 1 TB SSD
Buy on Amazon
£1,003.2
In Stock
115 FPS
£18.51/FPS
GeForce RTX 4080
Core i9-11900KF
32 GB, N/A Storage
Buy on Amazon
£2,128.95
In Stock
57 FPS
£18.95/FPS
GeForce RTX 3070 Ti
Core i9-11900KF
32 GB, 1 TB SSD
Buy on Amazon
£1,080
In Stock
31 FPS
£28.06/FPS
GeForce RTX 3060
Core i9-11900KF
16 GB, N/A Storage
Buy on Amazon
£869.99
In Stock
52 FPS
£21.1/FPS
GeForce RTX 3070
Core i9-11900KF
32 GB, 1 TB SSD
Buy on Amazon
£1,096.95
In Stock
39 FPS
£23.85/FPS
GeForce RTX 4060
Core i9-11900KF
16 GB, N/A Storage
Buy on Amazon
£929.99
In Stock
115 FPS
£15.75/FPS
GeForce RTX 4080
Core i9-11900KF
32 GB, 1 TB SSD
Buy on Amazon
£1,810.8
In Stock
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