amd
Brand8/16
Cores/Threads3.9GHz
Base Clock105W
TDPAMD Ryzen 7 3800X
intel
Brand20/20
Cores/Threads3.9GHz
Base Clock125W
TDPIntel Core Ultra 7 265KF
AMD Ryzen 7 3800X
AMD Ryzen 7 3800X
$399 • Jul 2019
Intel Core Ultra 7 265KF
$379 • Oct 2024
Intel Core Ultra 7 265KF
Specs Comparison
| Specification | AMD Ryzen 7 3800X | Intel Core Ultra 7 265KF |
|---|---|---|
| Cores | 8 | 20 |
| Threads | 16 | 20 |
| Hybrid Cores | N/A | P-Cores: 8, E-Cores: 12 |
| Base Clock | 3.9 GHz | 3.9 GHz |
| Boost Clock | 4.5 GHz | 5.5 GHz |
| Multiplier Unlocked | ✓ Yes | ✓ Yes |
| Multiplier | 39 X | 39 X |
| TDP | 105 W | 125 W |
| Memory Support | DDR4 | DDR5 |
| Cache L1 | 64 KB | 192 KB |
| Cache L2 | 0.50 MB | 3.00 MB |
| Cache L3 | 32.00 MB | 30.00 MB |
| Integrated GPU | N/A | N/A |
| Architecture | Ryzen 7 (Zen 2 (Matisse)) | Ultra 7 (Arrow Lake) |
| Process Size | 7nm | 3nm |
| Socket | amd socket am4 | intel socket 1851 |
| Foundry | TSMC | TSMC |
| Die Size | 74 mm² | 243 mm² |
| PCI Express | Gen 4, 24 Lanes(CPU only) | Gen 5, 20 Lanes(CPU only) |
| Transistors | 3800 million | 17800 million |
| Max Temperature | N/A | 105°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 7 3800X
Intel Core Ultra 7 265KF
Multi Core Performance
AMD Ryzen 7 3800X
Intel Core Ultra 7 265KF
Geekbench 5
Popular cross-platform CPU benchmark measuring single and multi-core performance in real-world tasks
Single Core Performance
AMD Ryzen 7 3800X
Intel Core Ultra 7 265KF
Multi Core Performance
AMD Ryzen 7 3800X
Intel Core Ultra 7 265KF
PassMark
PassMark CPU Mark is a popular synthetic benchmark that scores overall CPU performance (higher is better).
Overall CPU Score
AMD Ryzen 7 3800X
Intel Core Ultra 7 265KF
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 7 3800X
Intel Core Ultra 7 265KF
Comparison in Games (2 benchmarks)
Watch Dogs Legion
Red Dead Redemption 2
It's a Tie!
Based on 2 benchmarks across 2 games
AMD Ryzen 7 3800X
AMD • 8/16 • 3.9GHz
Intel Core Ultra 7 265KF
INTEL • 20/20 • 3.9GHz
Check out more comparisons
Comments & Discussion
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