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£470
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AvailabilityMSRP in USD: $499
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MSRP in USD: $499
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Key Differences
In short — Ryzen 5 7645HX 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 5 7645HX is 911 days newer than Ryzen 9 3900XT.
Advantages of AMD Ryzen 9 3900XT
- Can execute more multi-threaded tasks simultaneously than AMD Ryzen 5 7645HX - 24 vs 12 threads
Advantages of AMD Ryzen 5 7645HX
- Performs up to 2% better in Tom Clancy's Ghost Recon Wildlands than Ryzen 9 3900XT - 194 vs 191 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
Tom Clancy's Ghost Recon Wildlands
Resolution
1920 x 1080
Game Graphics
Ultra
Ryzen 9 3900XT
Desktop • Jul 7th, 2020
FPS
191
98.4536082474227%
Value, £/FPS
£2.46/FPS
100%
Price, £
£470
100%
Value Winner
AMD Ryzen™ 9 3900XT Processor (12C/24T, 70MB Cache, Up to 4.7 GHz Max Boost) – Without Cooler
Buy for £470 on Amazon
In Stock
Updated 58294 minutes ago
TOP 5 Games
Resolution
1920 x 1080
Game Graphics
Ultra
Ryzen 9 3900XT
Desktop • Jul 7th, 2020
Ryzen 5 7645HX
Mobile • Jan 4th, 2023
Geekbench 5 Benchmarks
Ryzen 9 3900XT
Desktop • Jul 7th, 2020
Single-Core
1729
64.56310679611651%
Multi-Core
10030
85.13708513708514%
AMD Ryzen 9 3900XT | vs | AMD Ryzen 5 7645HX |
|---|---|---|
| Jul 7th, 2020 | Release Date | Jan 4th, 2023 |
| Ryzen 9 | Collection | Ryzen 5 |
| Matisse | Codename | Not Available |
| AMD Socket AM4 | Socket | AMD Socket FL1 |
Desktop | Segment | Mobile |
12 | Cores | 6 |
24 | Threads | 12 |
| 3.8 GHz | Base Clock Speed | 4.0 GHz |
| 4.7 GHz | Turbo Clock Speed | 5.0 GHz |
| 105 W | TDP | 55 W |
| 7 nm | Process Size | 5 nm |
| 39.0x | Multiplier | 40.0x |
| None | Integrated Graphics | Radeon 610M |
Yes | Overclockable | No |
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