
intel
Brand8/16
Cores/Threads3.5GHz
Base Clock125W
TDPIntel Core i9-11900K

amd
Brand12/24
Cores/Threads4.7GHz
Base Clock170W
TDPAMD Ryzen 9 7900X

Intel Core i9-11900K
Intel Core i9-11900K
$539 • Mar 2021
AMD Ryzen 9 7900X
$549 • Sep 2022
AMD Ryzen 9 7900X

Specs Comparison
Specification | Intel Core i9-11900K | AMD Ryzen 9 7900X |
---|---|---|
Cores | 8 | 12 |
Threads | 16 | 24 |
Base Clock | 3.5 GHz | 4.7 GHz |
Boost Clock | 5.3 GHz | 5.6 GHz |
Multiplier Unlocked | ✓ Yes | ✓ Yes |
Multiplier | 35 X | 47 X |
TDP | 125 W | 170 W |
Memory Support | DDR4 | DDR5 |
Cache L1 | 80 KB | 64 KB |
Cache L2 | 0.50 MB | 1.00 MB |
Cache L3 | 16.00 MB | 64.00 MB |
Integrated GPU | UHD Graphics 750 | Radeon Graphics |
Architecture | Core i9 (Rocket Lake-S) | Ryzen 9 (Zen 4 (Raphael)) |
Process Size | 14nm | 5nm |
Socket | intel socket 1200 | amd socket am5 |
Foundry | Intel | TSMC |
Die Size | 276 mm² | 2 mm² |
PCI Express | Gen 4, 20 Lanes(CPU only) | Gen 5, 24 Lanes(CPU only) |
Transistors | N/A | 13140 million |
Max Temperature | 100°C | 100°C |
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 7900X
Multi Core Performance
Intel Core i9-11900K
AMD Ryzen 9 7900X


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 7900X
Multi Core Performance
Intel Core i9-11900K
AMD Ryzen 9 7900X


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 7900X


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 7900X
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

Intel Core i9-11900K
INTEL • 8/16 • 3.5GHz

AMD Ryzen 9 7900X
AMD • 12/24 • 4.7GHz
Check out more comparisons
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