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Intel Core i9-11900K vs AMD FX-8120

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Specification Charts

Combined Speed (all threads combined)

Core i9-11900K 56 GT/s
FX-8120 24.8 GT/s
Difference: 31.2 (126%)

Core Speed

Core i9-11900K 3.5 GHz
FX-8120 3.1 GHz
Difference: 0.4 (13%)


Core i9-11900K 16
FX-8120 8
Difference: 8 (100%)


Core i9-11900K 125 Watts
FX-8120 125 Watts
Difference: 0 (0%)

Price Comparison

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Core i9-11900K

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Display Specifications

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Model Core i9-11900K FX-8120
Manufacturer Intel AMD
Architecture Rocket Lake Bulldozer-Zambezi
Core Speed 3.5 GHz 3.1 GHz
Hyperthreading Yes No
Cores / Modules 8 8/4
Total Threads 16 8
Turbo 5.3 3.4
L2 Cache 8 x 256 KB 4 x 2 MB
L3 Cache 16MB 8 MB
GPU Model UHD Graphics 750
TDP 125 Watts 125 Watts
Socket LGA 1200 AM3+
Released March 2021 2011-10-12