Buy on Amazon
$355
In Stock
Availability
Availability
No items available
AvailabilityMSRP in USD: $499
Availability
MSRP in USD: $499
Key Differences
In short — Ryzen 9 7945HX outperforms Ryzen 9 3900XT on the selected game parameters. We do not have the prices of both CPUs to compare value. The better performing Ryzen 9 7945HX is 911 days newer than Ryzen 9 3900XT.
Advantages of AMD Ryzen 9 7945HX
- Performs up to 13% better in FINAL FANTASY XIV: Endwalker than Ryzen 9 3900XT - 291 vs 258 FPS
- Consumes up to 48% less energy than AMD Ryzen 9 3900XT - 55 vs 105 Watts
- Works without a dedicated GPU, while AMD Ryzen 9 3900XT doesn't have integrated graphics
FINAL FANTASY XIV: Endwalker
Resolution
1920 x 1080
Game Graphics
Maximum
Ryzen 9 3900XT
Desktop • Jul 7th, 2020
FPS
258
88%
Value, $/FPS
$1.38/FPS
100%
Price, $
$355
100%
Value Winner
AMD Ryzen 9 3900XT 12-core, 24-Threads Unlocked Desktop Processor
Buy for $355 on Amazon
In Stock
Updated 253 minutes ago
TOP 5 Games
Resolution
1920 x 1080
Game Graphics
Maximum
Ryzen 9 7945HX
Mobile • Jan 4th, 2023
Ryzen 9 3900XT
Desktop • Jul 7th, 2020
Geekbench 5 Benchmarks
AMD Ryzen 9 7945HX | vs | AMD Ryzen 9 3900XT |
|---|---|---|
Jan 4th, 2023 | Release Date | Jul 7th, 2020 |
| Ryzen 9 | Collection | Ryzen 9 |
| Dragon Range | Codename | Matisse |
| AMD Socket FL1 | Socket | AMD Socket AM4 |
Mobile | Segment | Desktop |
16 | Cores | 12 |
32 | Threads | 24 |
| 2.5 GHz | Base Clock Speed | 3.8 GHz |
5.4 GHz | Turbo Clock Speed | 4.7 GHz |
55 W | TDP | 105 W |
5 nm | Process Size | 7 nm |
| 25.0x | Multiplier | 39.0x |
Radeon 610M | Integrated Graphics | None |
| Yes | Overclockable | Yes |
Builds Using Ryzen 9 7945HX or Ryzen 9 3900XT
FINAL FANTASY XIV: Endwalker, 1920 x 1080, Maximum
171 FPS
$12.16/FPS
GeForce RTX 4070 Mobile
Ryzen 9 7945HX
64 GB, 4 TB SSD
Buy on Amazon
$2,079
In Stock
210 FPS
$15.24/FPS
GeForce RTX 4080 Mobile
Ryzen 9 7945HX
32 GB, 1 TB SSD
Buy on Amazon
$3,199.97
In Stock
171 FPS
$9.94/FPS
GeForce RTX 4070 Mobile
Ryzen 9 7945HX
32 GB, 1 TB SSD
Buy on Amazon
$1,699
In Stock
225 FPS
$14.13/FPS
GeForce RTX 4090 Mobile
Ryzen 9 7945HX
64 GB, 2 TB SSD
Buy on Amazon
$3,179.99
In Stock
171 FPS
$13.27/FPS
GeForce RTX 4070 Mobile
Ryzen 9 7945HX
64 GB, 2 TB SSD
Buy on Amazon
$2,269.99
In Stock
171 FPS
$11.58/FPS
GeForce RTX 4070 Mobile
Ryzen 9 7945HX
16 GB, 1 TB SSD
Buy on Amazon
$1,980.39
In Stock
225 FPS
$13.33/FPS
GeForce RTX 4090 Mobile
Ryzen 9 7945HX
32 GB, 1 TB SSD
Buy on Amazon
$2,999
In Stock
171 FPS
$12.57/FPS
GeForce RTX 4070 Mobile
Ryzen 9 7945HX
64 GB, 1 TB SSD
Buy on Amazon
$2,149.99
In Stock
225 FPS
$17.77/FPS
GeForce RTX 4090 Mobile
Ryzen 9 7945HX
64 GB, 8 TB SSD
Buy on Amazon
$3,999
In Stock
225 FPS
$15.89/FPS
GeForce RTX 4090 Mobile
Ryzen 9 7945HX
32 GB, 2 TB SSD
Buy on Amazon
$3,574.99
In Stock
Similar CPU Comparisons
Select from the most popular similar processor comparisons. Most compared processor combinations, including the currently selected ones, are at the top.
