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Intel Core i5 8259U vs Core i9-11900K

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Specification Charts

Combined Speed (all threads combined)

Core i9-11900K 56 GT/s
Core i5 8259U 18.4 GT/s
Difference: 37.6 (204%)

Core Speed

Core i9-11900K 3.5 GHz
Core i5 8259U 2.3 GHz
Difference: 1.2 (52%)


Core i9-11900K 16
Core i5 8259U 8
Difference: 8 (100%)


Core i9-11900K 125 Watts
Core i5 8259U 28 Watts
Difference: 97 (346%)

Price Comparison

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Core i5 8259U

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Display Specifications

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Model Core i5 8259U Core i9-11900K
Manufacturer Intel Intel
Architecture Coffee Lake Rocket Lake
Core Speed 2.3 GHz 3.5 GHz
Hyperthreading Yes Yes
Cores / Modules 4 8
Total Threads 8 16
Turbo 3.8 GHz 5.3
L2 Cache 8 x 256 KB
L3 Cache 6MB 16MB
GPU Model Iris Plus 655 UHD Graphics 750
TDP 28 Watts 125 Watts
Socket LGA 1200
Released August 2017 March 2021