Buy on Amazon
£205
In Stock
AvailabilityMSRP in USD: $399
Availability
MSRP in USD: $399
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Key Differences
In short — Ryzen 9 7945HX outperforms Ryzen 7 3800X on the selected game parameters. We do not have the prices of both CPUs to compare value. The better performing Ryzen 9 7945HX is 1277 days newer than Ryzen 7 3800X.
Advantages of AMD Ryzen 9 7945HX
- Performs up to 13% better in FINAL FANTASY XIV: Endwalker than Ryzen 7 3800X - 291 vs 257 FPS
- Consumes up to 48% less energy than AMD Ryzen 7 3800X - 55 vs 105 Watts
- Can execute more multi-threaded tasks simultaneously than AMD Ryzen 7 3800X - 32 vs 16 threads
- Works without a dedicated GPU, while AMD Ryzen 7 3800X doesn't have integrated graphics
FINAL FANTASY XIV: Endwalker
Resolution
1920 x 1080
Game Graphics
Maximum
Ryzen 7 3800X
Desktop • Jul 7th, 2019
FPS
257
88.31615120274914%
Value, £/FPS
£0.8/FPS
100%
Price, £
£205
100%
Value Winner
AMD Ryzen 7 3800X Processor (8C/16T, 36 MB Cache, 4.5 GHz Max Boost)
Buy for £205 on Amazon
In Stock
Updated 58295 minutes ago
TOP 5 Games
Resolution
1920 x 1080
Game Graphics
Maximum
Ryzen 7 3800X
Desktop • Jul 7th, 2019
Ryzen 9 7945HX
Mobile • Jan 4th, 2023
Geekbench 5 Benchmarks
Ryzen 7 3800X
Desktop • Jul 7th, 2019
Single-Core
1695
62.06517759062614%
Multi-Core
8498
53.96926203480249%
AMD Ryzen 7 3800X | vs | AMD Ryzen 9 7945HX |
|---|---|---|
| Jul 7th, 2019 | Release Date | Jan 4th, 2023 |
| Ryzen 7 | Collection | Ryzen 9 |
| Matisse | Codename | Dragon Range |
| AMD Socket AM4 | Socket | AMD Socket FL1 |
Desktop | Segment | Mobile |
| 8 | Cores | 16 |
| 16 | Threads | 32 |
3.9 GHz | Base Clock Speed | 2.5 GHz |
| 4.5 GHz | Turbo Clock Speed | 5.4 GHz |
| 105 W | TDP | 55 W |
| 7 nm | Process Size | 5 nm |
39.0x | Multiplier | 25.0x |
| None | Integrated Graphics | Radeon 610M |
| Yes | Overclockable | Yes |
Builds Using Ryzen 7 3800X or Ryzen 9 7945HX
FINAL FANTASY XIV: Endwalker, 1920 x 1080, Maximum
210 FPS
£11.9/FPS
GeForce RTX 4080 Mobile
Ryzen 9 7945HX
32 GB, 1 TB SSD
Buy on Amazon
£2,499.99
In Stock
225 FPS
£19.56/FPS
GeForce RTX 4090 Mobile
Ryzen 9 7945HX
64 GB, 2 TB SSD
Buy on Amazon
£4,401.06
In Stock
225 FPS
£13.33/FPS
GeForce RTX 4090 Mobile
Ryzen 9 7945HX
32 GB, 1 TB SSD
Buy on Amazon
£2,999.99
In Stock
225 FPS
£19.77/FPS
GeForce RTX 4090 Mobile
Ryzen 9 7945HX
64 GB, 1.953125 TB SSD
Buy on Amazon
£4,449
In Stock
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