intel
Brand8/16
Cores/Threads3.5GHz
Base Clock125W
TDPIntel Core i9-11900K
amd
Brand12/24
Cores/Threads3.8GHz
Base Clock105W
TDPAMD Ryzen 9 3900X
Intel Core i9-11900K
Intel Core i9-11900K
$539 • Mar 2021
AMD Ryzen 9 3900X
$499 • Jul 2019
AMD Ryzen 9 3900X
Specs Comparison
| Specification | Intel Core i9-11900K | AMD Ryzen 9 3900X |
|---|---|---|
| Cores | 8 | 12 |
| Threads | 16 | 24 |
| Base Clock | 3.5 GHz | 3.8 GHz |
| Boost Clock | 5.3 GHz | 4.6 GHz |
| Multiplier Unlocked | ✓ Yes | ✓ Yes |
| Multiplier | 35 X | 38 X |
| TDP | 125 W | 105 W |
| Memory Support | DDR4 | DDR4 |
| Cache L1 | 80 KB | 64 KB |
| Cache L2 | 0.50 MB | 0.50 MB |
| Cache L3 | 16.00 MB | 64.00 MB |
| Integrated GPU | UHD Graphics 750 | N/A |
| Architecture | Core i9 (Rocket Lake-S) | Ryzen 9 (Zen 2 (Matisse)) |
| Process Size | 14nm | 7nm |
| Socket | intel socket 1200 | amd socket am4 |
| Foundry | Intel | TSMC |
| Die Size | 276 mm² | 2 mm² |
| PCI Express | Gen 4, 20 Lanes(CPU only) | Gen 4, 24 Lanes(CPU only) |
| Transistors | N/A | 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
Intel Core i9-11900K
AMD Ryzen 9 3900X
Multi Core Performance
Intel Core i9-11900K
AMD Ryzen 9 3900X
Geekbench 5
Popular cross-platform CPU benchmark measuring single and multi-core performance in real-world tasks
Single Core Performance
Intel Core i9-11900K
AMD Ryzen 9 3900X
Multi Core Performance
Intel Core i9-11900K
AMD Ryzen 9 3900X
PassMark
PassMark CPU Mark is a popular synthetic benchmark that scores overall CPU performance (higher is better).
Overall CPU Score
Intel Core i9-11900K
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
Intel Core i9-11900K
AMD Ryzen 9 3900X
Comparison in Games (85 benchmarks)
Mafia: The Old Country
The Callisto Protocol™
Cities: Skylines II
Assassin's Creed Mirage
FINAL FANTASY XVI
Starfield
No more benchmarks available for this comparison
It's a Tie!
Based on 85 benchmarks across 57 games
Intel Core i9-11900K
INTEL • 8/16 • 3.5GHz
AMD Ryzen 9 3900X
AMD • 12/24 • 3.8GHz
Check out more comparisons
Comments & Discussion
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