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Intel Core i7 8559U vs Core i9 9900K

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Specification Charts

Combined Speed (all threads combined)

Core i9 9900K 57.6 GT/s
Core i7 8559U 21.6 GT/s
Difference: 36 (167%)

Core Speed

Core i9 9900K 3.6 GHz
Core i7 8559U 2.7 GHz
Difference: 0.9 (33%)


Core i9 9900K 16
Core i7 8559U 8
Difference: 8 (100%)


Core i9 9900K 95 Watts
Core i7 8559U 28 Watts
Difference: 67 (239%)

Price Comparison

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Display Specifications

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Model Core i7 8559U Core i9 9900K
Manufacturer Intel Intel
Architecture Coffee Lake Coffee Lake-S
Core Speed 2.7 GHz 3.6 GHz
Hyperthreading Yes Yes
Cores / Modules 4 8
Total Threads 8 16
Turbo 4.5 GHz 5.0
L2 Cache 8 x 256KB
L3 Cache 8MB 16MB
GPU Model Iris Plus 655 UHD Graphics 630
TDP 28 Watts 95 Watts
Socket LGA 1151
Released August 2017 October 2018