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Intel Core i5-7400T vs Core i5 8400

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Specification Charts

Combined Speed (all threads combined)

Core i5 8400 16.8 GT/s
Core i5-7400T 9.6 GT/s
Difference: 7.2 (75%)

Core Speed

Core i5 8400 2.8 GHz
Core i5-7400T 2.4 GHz
Difference: 0.4 (17%)

Threads

Core i5 8400 6
Core i5-7400T 4
Difference: 2 (50%)

TDP

Core i5 8400 65 Watts
Core i5-7400T 35 Watts
Difference: 30 (86%)

Price Comparison

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Core i5-7400T

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Core i5 8400

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Specifications

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Model Core i5-7400T Core i5 8400
Manufacturer Intel Intel
Architecture Kaby Lake-S (14 nm) Coffee Lake
Core Speed 2.4 GHz 2.8 GHz
Hyperthreading No No
Cores / Modules 4 6
Total Threads 4 6
Turbo 3.0 GHz 4 GHz
L2 Cache 4 x 256 KB
L3 Cache 6 MB 9MB
GPU Model HD Graphics 630 UHD 630
TDP 35 Watts 65 Watts
Socket LGA 1151 LGA 1151
Released January 2017 August 2017
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Core i5-7400T

Amazon.com

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Core i5 8400

Amazon.com

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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.