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Intel Core i5 8400 vs Core i7-4771

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Specification Charts

Combined Speed (all threads combined)

Core i7-4771 28 GT/s
Core i5 8400 16.8 GT/s
Difference: 11.2 (67%)

Core Speed

Core i7-4771 3.5 GHz
Core i5 8400 2.8 GHz
Difference: 0.7 (25%)

Threads

Core i7-4771 8
Core i5 8400 6
Difference: 2 (33%)

TDP

Core i7-4771 84 Watts
Core i5 8400 65 Watts
Difference: 19 (29%)

Price Comparison

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Core i5 8400

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Core i7-4771

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Specifications

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Model Core i5 8400 Core i7-4771
Manufacturer Intel Intel
Architecture Coffee Lake Haswell
Core Speed 2.8 GHz 3.5 GHz
Hyperthreading No Yes
Cores / Modules 6 4
Total Threads 6 8
Turbo 4 GHz 2/3/4/4
L2 Cache 4 x 256 KB
L3 Cache 9MB 8 MB
GPU Model UHD 630 HD Graphics 4600
TDP 65 Watts 84 Watts
Socket LGA 1151 LGA 1150
Released August 2017 Sept 2013