Buy on Amazon
£145
In Stock
AvailabilityMSRP $499
Availability
MSRP $499
No items available
AvailabilityMSRP $199
Availability
MSRP $199
Key Differences
In short — Core i5-12400 outperforms Ryzen 9 3900X on the selected game parameters. We do not have the prices of both CPUs to compare value. The better performing Core i5-12400 is 912 days newer than Ryzen 9 3900X.
Advantages of Ryzen 9 3900X
- Can execute more multi-threaded tasks simultaneously than Intel Core i5-12400 - 24 vs 12 threads
Advantages of Core i5-12400
- Performs up to 7% better in No Man's Sky than Ryzen 9 3900X - 193 vs 181 FPS
- Consumes up to 38% less energy than AMD Ryzen 9 3900X - 65 vs 105 Watts
- Works without a dedicated GPU, while AMD Ryzen 9 3900X doesn't have integrated graphics
No Man's Sky
Resolution
1920 x 1080
Game Graphics
Ultra
Core i5-12400
Desktop • Jan 4th, 2022
FPS
193
100%
Value, £/FPS
£0.75/FPS
100%
Price, £
£145
100%
FPS and Value Winner
CPU CORE I5-12400 S1700 Box/2.5G BX8071512400 S RL4V IN
Buy for £145 on Amazon
In Stock
Updated 170 minutes ago
Trending Games
With selected game settings
Resolution
1920 x 1080
Game Graphics
Ultra
Ryzen 9 3900X
Desktop • Jul 7th, 2019
Core i5-12400
Desktop • Jan 4th, 2022
Geekbench 5 Benchmarks
Ryzen 9 3900X | vs | Core i5-12400 |
|---|---|---|
| Jul 7th, 2019 | Release Date | Jan 4th, 2022 |
| Ryzen 9 | Collection | Core i5 |
| Matisse | Codename | Alder Lake |
| AMD Socket AM4 | Socket | Intel Socket 1700 |
Desktop | Segment | Desktop |
12 | Cores | 6 |
24 | Threads | 12 |
3.8 GHz | Base Clock Speed | 2.5 GHz |
4.6 GHz | Turbo Clock Speed | 4.4 GHz |
| 105 W | TDP | 65 W |
7 nm | Process Size | 10 nm |
38.0x | Multiplier | 25.0x |
| None | Integrated Graphics | UHD Graphics 730 |
Yes | Overclockable | No |
PC Builds Using Ryzen 9 3900X or Core i5-12400
With selected game settings
157 FPS
£22.99/FPS
GeForce RTX 3090
Ryzen 9 3900X
16 GB, 1 TB HDD
Buy on Amazon
£3,610
In Stock
157 FPS
£22.39/FPS
GeForce RTX 3090
Ryzen 9 3900X
16 GB, N/A Storage
Buy on Amazon
£3,515
In Stock
157 FPS
£23.15/FPS
GeForce RTX 3090
Ryzen 9 3900X
16 GB, 2 TB HDD
Buy on Amazon
£3,635
In Stock
Laptops Using Ryzen 9 3900X or Core i5-12400
With selected game settings
119 FPS
£13.35/FPS
GeForce RTX 3070 Mobile
Core i5-12400
16 GB, 1 TB SSD + 2 TB HDD
Buy on Amazon
£1,588.88
In Stock
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