
amd
Brand12/24
Cores/Threads3.9GHz
Base Clock105W
TDPAMD Ryzen 9 3900XT

amd
Brand8/16
Cores/Threads4.2GHz
Base Clock65W
TDPAMD Ryzen 7 8700G

AMD Ryzen 9 3900XT
AMD Ryzen 9 3900XT
$499 • Jul 2020
AMD Ryzen 7 8700G
$329 • Jan 2024
AMD Ryzen 7 8700G

Specs Comparison
Specification | AMD Ryzen 9 3900XT | AMD Ryzen 7 8700G |
---|---|---|
Cores | 12 | 8 |
Threads | 24 | 16 |
Base Clock | 3.9 GHz | 4.2 GHz |
Boost Clock | 4.7 GHz | 5.1 GHz |
Multiplier Unlocked | ✓ Yes | ✓ Yes |
Multiplier | 39 X | 42 X |
TDP | 105 W | 65 W |
Memory Support | DDR4 | DDR5 |
Cache L1 | 64 KB | 64 KB |
Cache L2 | 0.50 MB | 1.00 MB |
Cache L3 | 64.00 MB | 16.00 MB |
Integrated GPU | N/A | Radeon 780M |
Architecture | Ryzen 9 (Zen 2 (Matisse)) | Ryzen 7 (Zen 4 (Phoenix)) |
Process Size | 7nm | 4nm |
Socket | amd socket am4 | amd socket am5 |
Foundry | TSMC | TSMC |
Die Size | 2 mm² | 178 mm² |
PCI Express | Gen 4, 24 Lanes(CPU only) | Gen 4, 20 Lanes(CPU only) |
Transistors | 7600 million | 25000 million |
Max Temperature | N/A | 95°C |
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 3900XT
AMD Ryzen 7 8700G
Multi Core Performance
AMD Ryzen 9 3900XT
AMD Ryzen 7 8700G


Geekbench 5
Popular cross-platform CPU benchmark measuring single and multi-core performance in real-world tasks
Single Core Performance
AMD Ryzen 9 3900XT
AMD Ryzen 7 8700G
Multi Core Performance
AMD Ryzen 9 3900XT
AMD Ryzen 7 8700G


PassMark
PassMark CPU Mark is a popular synthetic benchmark that scores overall CPU performance (higher is better).
Overall CPU Score
AMD Ryzen 9 3900XT
AMD Ryzen 7 8700G


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 3900XT
AMD Ryzen 7 8700G
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 7 8700G Wins!
Based on 4 synthetic benchmarks

AMD Ryzen 9 3900XT
AMD • 12/24 • 3.9GHz

AMD Ryzen 7 8700G
AMD • 8/16 • 4.2GHz
Check out more comparisons
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