Buy on Amazon
£128.88
In Stock
Availability
Availability
AvailabilityMSRP in USD: $513
Availability
MSRP in USD: $513
Key Differences
In short — Core i9-11900KF outperforms the cheaper Core i5-9400F on the selected game parameters. However, the worse performing Core i5-9400F is a better bang for your buck. The better performing Core i9-11900KF is 798 days newer than the cheaper Core i5-9400F.
Advantages of Intel Core i5-9400F
- Up to 46% cheaper than Core i9-11900KF - £128.88 vs £238.88
- Up to 31% better value when playing Far Cry 3 than Core i9-11900KF - £0.91 vs £1.32 per FPS
- Consumes up to 48% less energy than Intel Core i9-11900KF - 65 vs 125 Watts
Advantages of Intel Core i9-11900KF
- Performs up to 28% better in Far Cry 3 than Core i5-9400F - 181 vs 141 FPS
- Can execute more multi-threaded tasks simultaneously than Intel Core i5-9400F - 16 vs 6 threads
Far Cry 3
Resolution
1920 x 1080
Game Graphics
Ultra
Core i5-9400F
Desktop • Jan 8th, 2019
FPS
141
77%
Value, £/FPS
£0.91/FPS
100%
Price, £
£128.88
100%
Value Winner
Intel Core i5-9400F 2.9GHz LGA1151 9M Cache BOX CPU
Buy for £128.88 on Amazon
In Stock
Updated 11550 minutes ago
Core i9-11900KF
Desktop • Mar 16th, 2021
FPS
181
100%
Value, £/FPS
£1.32/FPS
68%
Price, £
£238.88
53%
FPS Winner
Intel Core i9-11900KF
Buy for £238.88 on Amazon
In Stock
Updated 11550 minutes ago
TOP 5 Games
Resolution
1920 x 1080
Game Graphics
Ultra
Core i5-9400F
Desktop • Jan 8th, 2019
Core i9-11900KF
Desktop • Mar 16th, 2021
Geekbench 5 Benchmarks
Intel Core i5-9400F | vs | Intel Core i9-11900KF |
|---|---|---|
| Jan 8th, 2019 | 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 |
| None | Integrated Graphics | None |
| No | Overclockable | Yes |
Builds Using Core i5-9400F or Core i9-11900KF
Far Cry 3, 1920 x 1080, Ultra
131 FPS
£7.4/FPS
GeForce RTX 3060
Core i9-11900KF
16 GB, N/A Storage
Buy on Amazon
£969.95
In Stock
149 FPS
£8.31/FPS
GeForce RTX 3070
Core i9-11900KF
32 GB, 1 TB SSD
Buy on Amazon
£1,238.4
In Stock
138 FPS
£9.64/FPS
GeForce RTX 4060
Core i9-11900KF
16 GB, N/A Storage
Buy on Amazon
£1,329.99
In Stock
131 FPS
£8.89/FPS
GeForce RTX 3060
Core i9-11900KF
32 GB, 1 TB SSD
Buy on Amazon
£1,165.2
In Stock
161 FPS
£9.49/FPS
GeForce RTX 4070
Core i9-11900KF
32 GB, 1 TB SSD
Buy on Amazon
£1,527.6
In Stock
160 FPS
£8.22/FPS
GeForce RTX 3080
Core i9-11900KF
16 GB, 1 TB SSD
Buy on Amazon
£1,315.2
In Stock
138 FPS
£9.56/FPS
GeForce RTX 4060
Core i9-11900KF
32 GB, 1 TB SSD
Buy on Amazon
£1,319.95
In Stock
142 FPS
£8.22/FPS
GeForce RTX 3060 Ti
Core i9-11900KF
32 GB, 1 TB SSD
Buy on Amazon
£1,167.6
In Stock
179 FPS
£11.9/FPS
GeForce RTX 4080
Core i9-11900KF
32 GB, N/A Storage
Buy on Amazon
£2,129.95
In Stock
153 FPS
£8.48/FPS
GeForce RTX 3070 Ti
Core i9-11900KF
32 GB, 1 TB SSD
Buy on Amazon
£1,297.2
In Stock
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