Buy on Amazon
$80
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 79% cheaper than Ryzen 9 7900X - $80.00 vs $379.00
- Up to 75% better value when playing Sea of Thieves than Ryzen 9 7900X - $0.34 vs $1.34 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 21% better in Sea of Thieves than Core i5-8400 - 282 vs 234 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
Sea of Thieves
Resolution
1920 x 1080
Game Graphics
Mythical
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 84 minutes ago
AMD Ryzen 9 7900X 12-Core, 24-Thread Unlocked Desktop Processor
Buy for $379 on Amazon
In Stock
Updated 83 minutes ago
Trending Games
With selected game settings
Resolution
1920 x 1080
Game Graphics
Mythical
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 |
PC Builds Using Core i5-8400 or Ryzen 9 7900X
With selected game settings
244 FPS
$7.79/FPS
GeForce RTX 4070 Ti SUPER
Ryzen 9 7900X
32 GB, N/A Storage
Buy on Amazon
$1,899.99
In Stock
259 FPS
$9.56/FPS
GeForce RTX 4080
Ryzen 9 7900X
32 GB, 1 TB SSD + 2 TB HDD
Buy on Amazon
$2,474.82
In Stock
237 FPS
$9.16/FPS
GeForce RTX 4070 Ti
Ryzen 9 7900X
64 GB, N/A Storage
Buy on Amazon
$2,169.99
In Stock
266 FPS
$7.69/FPS
Radeon RX 7900 XTX
Ryzen 9 7900X
32 GB, N/A Storage
Buy on Amazon
$2,044.36
In Stock
166 FPS
$9.94/FPS
GeForce RTX 4060
Ryzen 9 7900X
32 GB, 2 TB SSD
Buy on Amazon
$1,649.99
In Stock
211 FPS
$15.63/FPS
GeForce RTX 3080
Ryzen 9 7900X
10 GB, N/A Storage
Buy on Amazon
$3,298
In Stock
237 FPS
$10.76/FPS
GeForce RTX 4070 Ti
Ryzen 9 7900X
32 GB, 4 TB HDD
Buy on Amazon
$2,549.99
In Stock
282 FPS
$15.95/FPS
GeForce RTX 4090
Ryzen 9 7900X
64 GB, 2 TB SSD
Buy on Amazon
$4,499
In Stock
259 FPS
$17.75/FPS
GeForce RTX 4080
Ryzen 9 7900X
16 GB, 2 TB HDD
Buy on Amazon
$4,598
In Stock
244 FPS
$13.52/FPS
GeForce RTX 4070 Ti SUPER
Ryzen 9 7900X
32 GB, 2 TB SSD
Buy on Amazon
$3,299
In Stock
237 FPS
$14.34/FPS
GeForce RTX 4070 Ti
Ryzen 9 7900X
32 GB, 1 TB SSD
Buy on Amazon
$3,399
In Stock
244 FPS
$11.47/FPS
GeForce RTX 4070 Ti SUPER
Ryzen 9 7900X
32 GB, 2 TB SSD
Buy on Amazon
$2,799
In Stock
153 FPS
$16.53/FPS
GeForce RTX 3060
Ryzen 9 7900X
64 GB, 512 GB SSD + 1 TB HDD
Buy on Amazon
$2,529
In Stock
153 FPS
$17.25/FPS
GeForce RTX 3060
Ryzen 9 7900X
64 GB, 2 TB SSD
Buy on Amazon
$2,639
In Stock
212 FPS
$14.15/FPS
GeForce RTX 4070
Ryzen 9 7900X
64 GB, 1 TB SSD
Buy on Amazon
$2,999
In Stock
212 FPS
$8.87/FPS
GeForce RTX 4070
Ryzen 9 7900X
32 GB, 2 TB SSD
Buy on Amazon
$1,879.68
In Stock
153 FPS
$17.38/FPS
GeForce RTX 3060
Ryzen 9 7900X
32 GB, 4 TB SSD
Buy on Amazon
$2,659
In Stock
153 FPS
$17.97/FPS
GeForce RTX 3060
Ryzen 9 7900X
64 GB, 2 TB SSD + 4 TB HDD
Buy on Amazon
$2,749
In Stock
166 FPS
$24.27/FPS
GeForce RTX 4060
Ryzen 9 7900X
16 GB, 2 TB SSD + 6 TB HDD
Buy on Amazon
$4,028
In Stock
153 FPS
$16.73/FPS
GeForce RTX 3060
Ryzen 9 7900X
64 GB, 1 TB SSD
Buy on Amazon
$2,559
In Stock
212 FPS
$13.86/FPS
GeForce RTX 4070
Ryzen 9 7900X
32 GB, 1 TB SSD
Buy on Amazon
$2,939
In Stock
224 FPS
$7.99/FPS
Radeon RX 7800 XT
Ryzen 9 7900X
32 GB, 1 TB SSD
Buy on Amazon
$1,789.99
In Stock
153 FPS
$16.99/FPS
GeForce RTX 3060
Ryzen 9 7900X
64 GB, 2 TB SSD + 1 TB HDD
Buy on Amazon
$2,599
In Stock
253 FPS
$10.67/FPS
Radeon RX 7900 XT
Ryzen 9 7900X
64 GB, 2 TB SSD
Buy on Amazon
$2,699.99
In Stock
70 FPS
$12.14/FPS
Radeon RX 580
Core i5-8400
8 GB, 1 TB HDD
Buy on Amazon
$849.99
In Stock
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