Buy on Amazon
$80
In Stock
Availability
Availability
AvailabilityMSRP $549
Availability
MSRP $549
Key Differences
In short — Ryzen 9 5900X 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 5900X is 1127 days newer than the cheaper Core i5-8400.
Advantages of Core i5-8400
- Up to 72% cheaper than Ryzen 9 5900X - $80.00 vs $290.00
- Up to 70% better value when playing FINAL FANTASY XIV: Endwalker than Ryzen 9 5900X - $0.32 vs $1.07 per FPS
- Consumes up to 38% less energy than AMD Ryzen 9 5900X - 65 vs 105 Watts
Advantages of Ryzen 9 5900X
- Performs up to 10% better in FINAL FANTASY XIV: Endwalker than Core i5-8400 - 272 vs 247 FPS
- Can execute more multi-threaded tasks simultaneously than Intel Core i5-8400 - 24 vs 6 threads
FINAL FANTASY XIV: Endwalker
Resolution
1920 x 1080
Game Graphics
Maximum
Intel Core i5-8400 Desktop Processor 6 Cores up to 4.0 GHz LGA 1151 300 Series 65W
Buy for $80 on Amazon
In Stock
Updated 90 minutes ago
AMD Ryzen 9 5900X 12-core, 24-Thread Unlocked Desktop Processor
Buy for $290 on Amazon
In Stock
Updated 89 minutes ago
Trending Games
With selected game settings
Resolution
1920 x 1080
Game Graphics
Maximum
Core i5-8400
Desktop • Oct 5th, 2017
Ryzen 9 5900X
Desktop • Nov 5th, 2020
Geekbench 5 Benchmarks
Core i5-8400 | vs | Ryzen 9 5900X |
|---|---|---|
| Oct 5th, 2017 | Release Date | Nov 5th, 2020 |
| Core i5 | Collection | Ryzen 9 |
| Coffee Lake | Codename | Vermeer |
| Intel Socket 1151 | Socket | AMD Socket AM4 |
Desktop | Segment | Desktop |
| 6 | Cores | 12 |
| 6 | Threads | 24 |
| 2.8 GHz | Base Clock Speed | 3.7 GHz |
| 4.0 GHz | Turbo Clock Speed | 4.8 GHz |
65 W | TDP | 105 W |
| 14 nm | Process Size | 7 nm |
| 28.0x | Multiplier | 37.0x |
| None | Integrated Graphics | None |
| No | Overclockable | Yes |
PC Builds Using Core i5-8400 or Ryzen 9 5900X
With selected game settings
197 FPS
$15.74/FPS
GeForce RTX 3090
Ryzen 9 5900X
16 GB, 1 TB SSD
Buy on Amazon
$3,099.99
In Stock
195 FPS
$16.86/FPS
GeForce RTX 3080 Ti
Ryzen 9 5900X
32 GB, 1 TB SSD
Buy on Amazon
$3,287.97
In Stock
130 FPS
$12.85/FPS
GeForce RTX 3060
Ryzen 9 5900X
32 GB, 500 GB SSD + 4 TB HDD
Buy on Amazon
$1,669.99
In Stock
230 FPS
$9.48/FPS
Radeon RX 7900 XT
Ryzen 9 5900X
32 GB, 2 TB SSD
Buy on Amazon
$2,179.99
In Stock
197 FPS
$8.96/FPS
Radeon RX 7800 XT
Ryzen 9 5900X
32 GB, 1 TB SSD
Buy on Amazon
$1,764.99
In Stock
197 FPS
$15.74/FPS
GeForce RTX 3090
Ryzen 9 5900X
32 GB, 1 TB SSD + 2 TB HDD
Buy on Amazon
$3,099.99
In Stock
161 FPS
$13.98/FPS
GeForce RTX 3070
Ryzen 9 5900X
32 GB, 1 TB SSD + 1 TB HDD
Buy on Amazon
$2,249.99
In Stock
184 FPS
$8.7/FPS
GeForce RTX 3080
Ryzen 9 5900X
32 GB, 1 TB SSD + 3 TB HDD
Buy on Amazon
$1,599.99
In Stock
161 FPS
$9.94/FPS
GeForce RTX 3070
Ryzen 9 5900X
16 GB, 1 TB SSD
Buy on Amazon
$1,599.99
In Stock
184 FPS
$11.96/FPS
GeForce RTX 3080
Ryzen 9 5900X
32 GB, 1 TB SSD + 2 TB HDD
Buy on Amazon
$2,199.99
In Stock
130 FPS
$10.54/FPS
GeForce RTX 3060
Ryzen 9 5900X
16 GB, 500 GB SSD + 3 TB HDD
Buy on Amazon
$1,369.99
In Stock
184 FPS
$13.86/FPS
GeForce RTX 3080
Ryzen 9 5900X
32 GB, 1 TB SSD + 1 TB HDD
Buy on Amazon
$2,549.99
In Stock
184 FPS
$13.97/FPS
GeForce RTX 3080
Ryzen 9 5900X
32 GB, 1 TB SSD + 2 TB HDD
Buy on Amazon
$2,569.99
In Stock
156 FPS
$12.82/FPS
Radeon RX 6700 XT
Ryzen 9 5900X
32 GB, 1 TB SSD + 2 TB HDD
Buy on Amazon
$1,999.99
In Stock
149 FPS
$10.74/FPS
GeForce RTX 3060 Ti
Ryzen 9 5900X
32 GB, 1 TB SSD + 1 TB HDD
Buy on Amazon
$1,599.99
In Stock
156 FPS
$11.35/FPS
Radeon RX 6700 XT
Ryzen 9 5900X
32 GB, 500 GB SSD + 4 TB HDD
Buy on Amazon
$1,769.99
In Stock
161 FPS
$14.1/FPS
GeForce RTX 3070
Ryzen 9 5900X
32 GB, 1 TB SSD + 2 TB HDD
Buy on Amazon
$2,269.99
In Stock
161 FPS
$13.35/FPS
GeForce RTX 3070
Ryzen 9 5900X
16 GB, 1 TB SSD + 1 TB HDD
Buy on Amazon
$2,149.99
In Stock
185 FPS
$12.26/FPS
GeForce RTX 4070
Ryzen 9 5900X
16 GB, 512 GB SSD
Buy on Amazon
$2,269
In Stock
238 FPS
$12.39/FPS
GeForce RTX 4080
Ryzen 9 5900X
16 GB, 512 GB SSD
Buy on Amazon
$2,949
In Stock
149 FPS
$16.23/FPS
GeForce RTX 3060 Ti
Ryzen 9 5900X
32 GB, 1 TB SSD + 2 TB HDD
Buy on Amazon
$2,418
In Stock
114 FPS
$19.37/FPS
GeForce RTX 3050
Ryzen 9 5900X
32 GB, 1 TB SSD + 1 TB HDD
Buy on Amazon
$2,208
In Stock
114 FPS
$19.54/FPS
GeForce RTX 3050
Ryzen 9 5900X
32 GB, 1 TB SSD + 2 TB HDD
Buy on Amazon
$2,228
In Stock
184 FPS
$10.33/FPS
GeForce RTX 3080
Ryzen 9 5900X
32 GB, 1 TB SSD + 2 TB HDD
Buy on Amazon
$1,899.99
In Stock
76 FPS
$11.18/FPS
Radeon RX 580
Core i5-8400
8 GB, 1 TB HDD
Buy on Amazon
$849.99
In Stock
87 FPS
$21.83/FPS
GeForce GTX 1050 Ti
Ryzen 9 5900X
32 GB, 1 TB SSD + 3 TB HDD
Buy on Amazon
$1,899
In Stock
184 FPS
$10.87/FPS
GeForce RTX 3080
Ryzen 9 5900X
32 GB, 1 TB SSD + 2 TB HDD
Buy on Amazon
$1,999.99
In Stock
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