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Intel Core i5 8400 vs Core i7 8559U

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Specification Charts

Combined Speed (all threads combined)

Core i7 8559U 21.6 GT/s
Core i5 8400 16.8 GT/s
Difference: 4.8 (29%)

Core Speed

Core i5 8400 2.8 GHz
Core i7 8559U 2.7 GHz
Difference: 0.1 (4%)

Threads

Core i7 8559U 8
Core i5 8400 6
Difference: 2 (33%)

TDP

Core i5 8400 65 Watts
Core i7 8559U 28 Watts
Difference: 37 (132%)

Price Comparison

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Core i5 8400

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Core i7 8559U

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Specifications

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Model Core i5 8400 Core i7 8559U
Manufacturer Intel Intel
Architecture Coffee Lake Coffee Lake
Core Speed 2.8 GHz 2.7 GHz
Hyperthreading No Yes
Cores / Modules 6 4
Total Threads 6 8
Turbo 4 GHz 4.5 GHz
L2 Cache
L3 Cache 9MB 8MB
GPU Model UHD 630 Iris Plus 655
TDP 65 Watts 28 Watts
Socket LGA 1151
Released August 2017 August 2017
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Core i5 8400

Amazon.com

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Core i7 8559U

Amazon.com

Check prices at:

Please note that the price comparisons are based on search keywords - sometimes it might show cards with very similar names that are not exactly the same as the one chosen in the comparison. We do try to filter out the wrong results as best we can, though.