Buy on Amazon
£156.85
In Stock
Availability
Availability
AvailabilityMSRP in USD: $499
Availability
MSRP in USD: $499
Key Differences
In short — Ryzen 9 3900XT 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 Ryzen 9 3900XT is 1006 days newer than the cheaper Core i5-8400.
Advantages of Intel Core i5-8400
- Up to 67% cheaper than Ryzen 9 3900XT - £156.85 vs £470.0
- Consumes up to 38% less energy than AMD Ryzen 9 3900XT - 65 vs 105 Watts
Advantages of AMD Ryzen 9 3900XT
- Performs up to 8% better in Assassin's Creed Valhalla than Core i5-8400 - 189 vs 175 FPS
- Can execute more multi-threaded tasks simultaneously than Intel Core i5-8400 - 24 vs 6 threads
Assassin's Creed Valhalla
Resolution
1920 x 1080
Game Graphics
Ultra 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 74811 minutes ago
AMD Ryzen™ 9 3900XT Processor (12C/24T, 70MB Cache, Up to 4.7 GHz Max Boost) – Without Cooler
Buy for £470 on Amazon
In Stock
Updated 74810 minutes ago
TOP 5 Games
Resolution
1920 x 1080
Game Graphics
Ultra High
Core i5-8400
Desktop • Oct 5th, 2017
Ryzen 9 3900XT
Desktop • Jul 7th, 2020
Geekbench 5 Benchmarks
Core i5-8400
Desktop • Oct 5th, 2017
Single-Core
1353
78.25332562174667%
Multi-Core
4748
47.33798604187437%
Intel Core i5-8400 | vs | AMD Ryzen 9 3900XT |
|---|---|---|
| Oct 5th, 2017 | Release Date | Jul 7th, 2020 |
| Core i5 | Collection | Ryzen 9 |
| Coffee Lake | Codename | Matisse |
| Intel Socket 1151 | Socket | AMD Socket AM4 |
Desktop | Segment | Desktop |
| 6 | Cores | 12 |
| 6 | Threads | 24 |
| 2.8 GHz | Base Clock Speed | 3.8 GHz |
| 4.0 GHz | Turbo Clock Speed | 4.7 GHz |
65 W | TDP | 105 W |
| 14 nm | Process Size | 7 nm |
| 28.0x | Multiplier | 39.0x |
| None | Integrated Graphics | None |
| No | Overclockable | Yes |
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