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Intel Core i5-10400F vs Core i7-3820

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Specification Charts

Combined Speed (all threads combined)

Core i5-10400F 34.8 GT/s
Core i7-3820 28.8 GT/s
Difference: 6 (21%)

Core Speed

Core i7-3820 3.6 GHz
Core i5-10400F 2.9 GHz
Difference: 0.7 (24%)


Core i5-10400F 12
Core i7-3820 8
Difference: 4 (50%)


Core i7-3820 130 Watts
Core i5-10400F 65 Watts
Difference: 65 (100%)

Price Comparison

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Display Specifications

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Model Core i5-10400F Core i7-3820
Manufacturer Intel Intel
Architecture Comet Lake Sandy Bridge-E
Core Speed 2.9 GHz 3.6 GHz
Hyperthreading Yes Yes
Cores / Modules 6 4
Total Threads 12 8
Turbo 4.3 1/1/2/2
L2 Cache 6 x 256 KB 4 x 256 KB
L3 Cache 12 MB 10 MB
GPU Model N/A
TDP 65 Watts 130 Watts
Socket LGA 1200 LGA 2011
Released May 2020 2012-02-01