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

amd
Brand8/16
Cores/Threads3.4GHz
Base Clock65W
TDPAMD Ryzen 7 5800

AMD Ryzen 9 3900XT
AMD Ryzen 9 3900XT
$499 • Jul 2020
AMD Ryzen 7 5800
$ • Jan 2021
AMD Ryzen 7 5800

Specs Comparison
Specification | AMD Ryzen 9 3900XT | AMD Ryzen 7 5800 |
---|---|---|
Cores | 12 | 8 |
Threads | 24 | 16 |
Base Clock | 3.9 GHz | 3.4 GHz |
Boost Clock | 4.7 GHz | 4.6 GHz |
Multiplier Unlocked | ✓ Yes | ✓ Yes |
Multiplier | 39 X | 34 X |
TDP | 105 W | 65 W |
Memory Support | DDR4 | DDR4 |
Cache L1 | 64 KB | 64 KB |
Cache L2 | 0.50 MB | 0.50 MB |
Cache L3 | 64.00 MB | 32.00 MB |
Integrated GPU | N/A | N/A |
Architecture | Ryzen 9 (Zen 2 (Matisse)) | Ryzen 7 (Zen 3 (Vermeer)) |
Process Size | 7nm | 7nm |
Socket | amd socket am4 | amd socket am4 |
Foundry | TSMC | TSMC |
Die Size | 2 mm² | 74 mm² |
PCI Express | Gen 4, 24 Lanes(CPU only) | Gen 4, 20 Lanes(CPU only) |
Transistors | 7600 million | 4150 million |
Max Temperature | N/A | 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 3900XT
AMD Ryzen 7 5800
Multi Core Performance
AMD Ryzen 9 3900XT
AMD Ryzen 7 5800


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 5800
Multi Core Performance
AMD Ryzen 9 3900XT
AMD Ryzen 7 5800


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 5800


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 5800
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.
It's a Tie!
Based on 4 synthetic benchmarks

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

AMD Ryzen 7 5800
AMD • 8/16 • 3.4GHz
Check out more comparisons
Comments & Discussion
Share your thoughts and experiences