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Intel Core i5-6600K vs Core i9-11900K

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Specification Charts

Combined Speed (all threads combined)

Core i9-11900K 56 GT/s
Core i5-6600K 14 GT/s
Difference: 42 (300%)

Core Speed

Core i5-6600K 3.5 GHz
Core i9-11900K 3.5 GHz
Difference: 0 (0%)


Core i9-11900K 16
Core i5-6600K 4
Difference: 12 (300%)


Core i9-11900K 125 Watts
Core i5-6600K 91 Watts
Difference: 34 (37%)

Price Comparison

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Display Specifications

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Model Core i5-6600K Core i9-11900K
Manufacturer Intel Intel
Architecture Skylake Rocket Lake
Core Speed 3.5 GHz 3.5 GHz
Hyperthreading No Yes
Cores / Modules 4 8
Total Threads 4 16
Turbo 1/2/3/4 5.3
L2 Cache 4 x 256 KB 8 x 256 KB
L3 Cache 6 MB 16MB
GPU Model HD Graphics 530 UHD Graphics 750
TDP 91 Watts 125 Watts
Socket LGA 1151 LGA 1200
Released 2015-08-01 March 2021