Buy on Amazon
£168.64
In Stock
Availability
Availability
AvailabilityMSRP $549
Availability
MSRP $549
Key Differences
In short — Ryzen 9 7900X outperforms the cheaper Core i5-8400 on the selected game parameters. However, the worse performing Core i5-8400 is a better bang for your buck. The better performing Ryzen 9 7900X is 1818 days newer than the cheaper Core i5-8400.
Advantages of Core i5-8400
- Up to 85% cheaper than Ryzen 9 7900X - £168.64 vs £1099.99
- Up to 78% better value when playing Cyberpunk 2077 than Ryzen 9 7900X - £2.22 vs £10.19 per FPS
- Consumes up to 62% less energy than AMD Ryzen 9 7900X - 65 vs 170 Watts
Advantages of Ryzen 9 7900X
- Performs up to 42% better in Cyberpunk 2077 than Core i5-8400 - 108 vs 76 FPS
- Can execute more multi-threaded tasks simultaneously than Intel Core i5-8400 - 24 vs 6 threads
- Works without a dedicated GPU, while Intel Core i5-8400 doesn't have integrated graphics
Cyberpunk 2077
Resolution
1920 x 1080
Game Graphics
RT Overdrive
Core i5-8400
Desktop • Oct 5th, 2017
FPS
76
70%
Value, £/FPS
£2.22/FPS
100%
Price, £
£168.64
100%
Value Winner
Intel Core i5-8400 Retail - (1151/Hex Core/2.80GHz/9MB/Coffee Lake/65W/Graphics)
Buy for £168.64 on Amazon
In Stock
Updated 225 minutes ago
Ryzen 9 7900X
Desktop • Sep 27th, 2022
FPS
108
100%
Value, £/FPS
£10.19/FPS
22%
Price, £
£1099.99
15%
FPS Winner
NGTEK AMD Ryzen 9 7900X 12-Core, 24-Thread Unlocked Desktop Processor Bundle With ASUS ROG Crosshair X670E Hero (WiFi 6E)
Buy for £1,099.99 on Amazon
In Stock
Updated 224 minutes ago
Trending Games
With selected game settings
Resolution
1920 x 1080
Game Graphics
RT Overdrive
Core i5-8400
Desktop • Oct 5th, 2017
Ryzen 9 7900X
Desktop • Sep 27th, 2022
Geekbench 5 Benchmarks
Core i5-8400 | vs | Ryzen 9 7900X |
|---|---|---|
| Oct 5th, 2017 | Release Date | Sep 27th, 2022 |
| Core i5 | Collection | Ryzen 9 |
| Coffee Lake | Codename | Raphael |
| Intel Socket 1151 | Socket | AMD Socket AM5 |
Desktop | Segment | Desktop |
| 6 | Cores | 12 |
| 6 | Threads | 24 |
| 2.8 GHz | Base Clock Speed | 4.7 GHz |
| 4.0 GHz | Turbo Clock Speed | 5.6 GHz |
65 W | TDP | 170 W |
| 14 nm | Process Size | 5 nm |
| 28.0x | Multiplier | 47.0x |
| None | Integrated Graphics | Radeon Graphics |
| No | Overclockable | Yes |
PCs Using Core i5-8400 or Ryzen 9 7900X
With selected game settings
32 FPS
£39.03/FPS
32 GB, 1 TB SSD
Buy on Amazon
£1,249
In Stock
83 FPS
£45.18/FPS
32 GB, 2 TB SSD + 2 TB HDD
Buy on Amazon
£3,749.95
In Stock
83 FPS
£49.64/FPS
32 GB, 2 TB SSD + 2 TB HDD
Buy on Amazon
£4,119.95
In Stock
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