amd
Brand12/24
Cores/Threads4.7GHz
Base Clock170W
TDPAMD Ryzen 9 7900X
amd
Brand12/24
Cores/Threads3.8GHz
Base Clock105W
TDPAMD Ryzen 9 3900X
AMD Ryzen 9 7900X
AMD Ryzen 9 7900X
$549 • Sep 2022
AMD Ryzen 9 3900X
$499 • Jul 2019
AMD Ryzen 9 3900X
Specs Comparison
| Specification | AMD Ryzen 9 7900X | AMD Ryzen 9 3900X |
|---|---|---|
| Cores | 12 | 12 |
| Threads | 24 | 24 |
| Base Clock | 4.7 GHz | 3.8 GHz |
| Boost Clock | 5.6 GHz | 4.6 GHz |
| Multiplier Unlocked | ✓ Yes | ✓ Yes |
| Multiplier | 47 X | 38 X |
| TDP | 170 W | 105 W |
| Memory Support | DDR5 | DDR4 |
| Cache L1 | 64 KB | 64 KB |
| Cache L2 | 1.00 MB | 0.50 MB |
| Cache L3 | 64.00 MB | 64.00 MB |
| Integrated GPU | Radeon Graphics | N/A |
| Architecture | Ryzen 9 (Zen 4 (Raphael)) | Ryzen 9 (Zen 2 (Matisse)) |
| Process Size | 5nm | 7nm |
| Socket | amd socket am5 | amd socket am4 |
| Foundry | TSMC | TSMC |
| Die Size | 2 mm² | 2 mm² |
| PCI Express | Gen 5, 24 Lanes(CPU only) | Gen 4, 24 Lanes(CPU only) |
| Transistors | 13140 million | 7600 million |
| Max Temperature | 100°C | N/A |
Comparison in Tools
Cinebench R23
Industry-leading 3D rendering benchmark that measures real-world CPU processing power and performance
Single Core Performance
AMD Ryzen 9 7900X
AMD Ryzen 9 3900X
Multi Core Performance
AMD Ryzen 9 7900X
AMD Ryzen 9 3900X
Geekbench 5
Popular cross-platform CPU benchmark measuring single and multi-core performance in real-world tasks
Single Core Performance
AMD Ryzen 9 7900X
AMD Ryzen 9 3900X
Multi Core Performance
AMD Ryzen 9 7900X
AMD Ryzen 9 3900X
PassMark
PassMark CPU Mark is a popular synthetic benchmark that scores overall CPU performance (higher is better).
Overall CPU Score
AMD Ryzen 9 7900X
AMD Ryzen 9 3900X
Blender Benchmark
Measures CPU rendering speed in Blender, reported in frames per second (FPS). Higher FPS means faster completion of 3D rendering tasks.
Blender FPS
AMD Ryzen 9 7900X
AMD Ryzen 9 3900X
Comparison in Games
No benchmark data available for this combination of CPUs yet.
We're working on collecting performance data for this combination of CPUs. Please check back later.
AMD Ryzen 9 7900X Wins!
Based on 4 synthetic benchmarks
AMD Ryzen 9 7900X
AMD • 12/24 • 4.7GHz
AMD Ryzen 9 3900X
AMD • 12/24 • 3.8GHz
Check out more comparisons
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