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Intel Core i5 8400H vs Core i9-11900K

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Specification Charts

Combined Speed (all threads combined)

Core i9-11900K 56 GT/s
Core i5 8400H 20 GT/s
Difference: 36 (180%)

Core Speed

Core i9-11900K 3.5 GHz
Core i5 8400H 2.5 GHz
Difference: 1 (40%)

Threads

Core i9-11900K 16
Core i5 8400H 8
Difference: 8 (100%)

TDP

Core i9-11900K 125 Watts
Core i5 8400H 45 Watts
Difference: 80 (178%)

Price Comparison

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Core i5 8400H

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Core i9-11900K

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Specifications

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Model Core i5 8400H Core i9-11900K
Manufacturer Intel Intel
Architecture Coffee Lake Rocket Lake
Core Speed 2.5 GHz 3.5 GHz
Hyperthreading Yes Yes
Cores / Modules 4 8
Total Threads 8 16
Turbo 4.2 GHz 5.3
L2 Cache 8 x 256 KB
L3 Cache 8MB 16MB
GPU Model UHD 630 UHD Graphics 750
TDP 45 Watts 125 Watts
Socket LGA 1200
Released August 2017 March 2021