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Intel Core i5 8259U vs Core i5 8400T

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Specification Charts

Combined Speed (all threads combined)

Core i5 8259U 18.4 GT/s
Core i5 8400T 10.2 GT/s
Difference: 8.2 (80%)

Core Speed

Core i5 8259U 2.3 GHz
Core i5 8400T 1.7 GHz
Difference: 0.6 (35%)


Core i5 8259U 8
Core i5 8400T 6
Difference: 2 (33%)


Core i5 8400T 35 Watts
Core i5 8259U 28 Watts
Difference: 7 (25%)

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Core i5 8259U

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Model Core i5 8259U Core i5 8400T
Manufacturer Intel Intel
Architecture Coffee Lake Coffee Lake
Core Speed 2.3 GHz 1.7 GHz
Hyperthreading Yes No
Cores / Modules 4 6
Total Threads 8 6
Turbo 3.8 GHz 3.7 GHz
L2 Cache
L3 Cache 6MB 9MB
GPU Model Iris Plus 655 UHD 630
TDP 28 Watts 35 Watts
Socket LGA 1151
Released August 2017 August 2017