Buy on Amazon
$79
In Stock
AvailabilityMSRP in USD: $182
Availability
MSRP in USD: $182
AvailabilityMSRP in USD: $499
Availability
MSRP in USD: $499
Key Differences
In short — Ryzen 9 3900X outperforms the cheaper Core i5-6400 on the selected game parameters. However, the worse performing Core i5-6400 is a better bang for your buck. The better performing Ryzen 9 3900X is 1466 days newer than the cheaper Core i5-6400.
Advantages of Intel Core i5-6400
- Up to 80% cheaper than Ryzen 9 3900X - $79.0 vs $395.0
- Up to 80% better value when playing Stray than Ryzen 9 3900X - $0.43 vs $2.12 per 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
Advantages of AMD Ryzen 9 3900X
- Performs up to 2% better in Stray than Core i5-6400 - 186 vs 182 FPS
- Can execute more multi-threaded tasks simultaneously than Intel Core i5-6400 - 24 vs 4 threads
Stray
Resolution
1920 x 1080
Game Graphics
High
Intel Boxed Core I5-6400 FC-LGA14C 2.70 Ghz 6 M Processor Cache 4 LGA 1151 BX80662I56400
Buy for $79 on Amazon
In Stock
Updated 4691 minutes ago
AMD Ryzen 9 3900X 12-core, 24-thread unlocked desktop processor with Wraith Prism LED Cooler
Buy for $395 on Amazon
In Stock
Updated 4691 minutes ago
TOP 5 Games
Resolution
1920 x 1080
Game Graphics
High
Core i5-6400
Desktop • Jul 2nd, 2015
Ryzen 9 3900X
Desktop • Jul 7th, 2019
Geekbench 5 Benchmarks
Intel Core i5-6400 | vs | AMD Ryzen 9 3900X |
|---|---|---|
| Jul 2nd, 2015 | Release Date | Jul 7th, 2019 |
| Core i5 | Collection | Ryzen 9 |
| Skylake | Codename | Matisse |
| Intel Socket 1151 | Socket | AMD Socket AM4 |
Desktop | Segment | Desktop |
| 4 | Cores | 12 |
| 4 | Threads | 24 |
| 2.7 GHz | Base Clock Speed | 3.8 GHz |
| 3.3 GHz | Turbo Clock Speed | 4.6 GHz |
65 W | TDP | 105 W |
| 14 nm | Process Size | 7 nm |
| 27.0x | Multiplier | 38.0x |
HD Graphics 530 | Integrated Graphics | None |
| No | Overclockable | Yes |
Builds Using Core i5-6400 or Ryzen 9 3900X
Stray, 1920 x 1080, High
140 FPS
$10.27/FPS
GeForce RTX 3080
Ryzen 9 3900X
16 GB, N/A Storage
Buy on Amazon
$1,437.79
In Stock
150 FPS
$20/FPS
GeForce RTX 3090
Ryzen 9 3900X
24 GB, N/A Storage
Buy on Amazon
$2,999.99
In Stock
140 FPS
$19.21/FPS
GeForce RTX 3080
Ryzen 9 3900X
16 GB, N/A Storage
Buy on Amazon
$2,689.24
In Stock
121 FPS
$14.88/FPS
GeForce RTX 3070
Ryzen 9 3900X
16 GB, 500 GB SSD + 1 TB HDD
Buy on Amazon
$1,799.99
In Stock
71 FPS
$11.62/FPS
GeForce GTX 1070
Core i5-6400
16 GB, N/A Storage
Buy on Amazon
$825.24
In Stock
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