Buy on Amazon
$74.64
In Stock
Availability
Availability
AvailabilityMSRP in USD: $399
Availability
MSRP in USD: $399
Key Differences
In short — Ryzen 7 3800X 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 7 3800X is 640 days newer than the cheaper Core i5-8400.
Advantages of Intel Core i5-8400
- Up to 65% cheaper than Ryzen 7 3800X - $74.64 vs $210.99
- Consumes up to 38% less energy than AMD Ryzen 7 3800X - 65 vs 105 Watts
Advantages of AMD Ryzen 7 3800X
- Performs up to 5% better in Need For Speed Unbound than Core i5-8400 - 148 vs 141 FPS
- Can execute more multi-threaded tasks simultaneously than Intel Core i5-8400 - 16 vs 6 threads
Need For Speed Unbound
Resolution
1920 x 1080
Game Graphics
Ultra
Intel Core i5-8400 Desktop Processor 6 Cores up to 4.0 GHz LGA 1151 300 Series 65W
Buy for $74.64 on Amazon
In Stock
Updated 74338 minutes ago
AMD Ryzen 7 3800X 8-Core, 16-Thread Unlocked Desktop Processor with Wraith Prism LED Cooler
Buy for $210.99 on Amazon
In Stock
Updated 74338 minutes ago
TOP 5 Games
Resolution
1920 x 1080
Game Graphics
Ultra
Core i5-8400
Desktop • Oct 5th, 2017
Ryzen 7 3800X
Desktop • Jul 7th, 2019
Geekbench 5 Benchmarks
Core i5-8400
Desktop • Oct 5th, 2017
Single-Core
1353
79.82300884955752%
Multi-Core
4748
55.87196987526477%
Intel Core i5-8400 | vs | AMD Ryzen 7 3800X |
|---|---|---|
| Oct 5th, 2017 | Release Date | Jul 7th, 2019 |
| Core i5 | Collection | Ryzen 7 |
| Coffee Lake | Codename | Matisse |
| Intel Socket 1151 | Socket | AMD Socket AM4 |
Desktop | Segment | Desktop |
| 6 | Cores | 8 |
| 6 | Threads | 16 |
| 2.8 GHz | Base Clock Speed | 3.9 GHz |
| 4.0 GHz | Turbo Clock Speed | 4.5 GHz |
65 W | TDP | 105 W |
| 14 nm | Process Size | 7 nm |
| 28.0x | Multiplier | 39.0x |
| None | Integrated Graphics | None |
| No | Overclockable | Yes |
Builds Using Core i5-8400 or Ryzen 7 3800X
Need For Speed Unbound, 1920 x 1080, Ultra
65 FPS
$27.92/FPS
GeForce RTX 3060
Ryzen 7 3800X
16 GB, 1 TB SSD
Buy on Amazon
$1,815
In Stock
69 FPS
$18.83/FPS
Radeon RX 5700 XT
Ryzen 7 3800X
16 GB, 1 TB SSD
Buy on Amazon
$1,299
In Stock
74 FPS
$13.24/FPS
GeForce RTX 2070 SUPER
Ryzen 7 3800X
16 GB, 512 GB SSD + 1 TB HDD
Buy on Amazon
$979.99
In Stock
28 FPS
$30.36/FPS
Radeon RX 580
Core i5-8400
8 GB, 1 TB HDD
Buy on Amazon
$849.99
In Stock
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