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Intel Core i7-5820K vs Core i7 8086K

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Specification Charts

Combined Speed (all threads combined)

Core i7 8086K 48 GT/s
Core i7-5820K 39.6 GT/s
Difference: 8.4 (21%)

Core Speed

Core i7 8086K 4.0 GHz
Core i7-5820K 3.3 GHz
Difference: 0.7 (21%)


Core i7-5820K 12
Core i7 8086K 12
Difference: 0 (0%)


Core i7-5820K 140 Watts
Core i7 8086K 95 Watts
Difference: 45 (47%)

Price Comparison

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Display Specifications

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Model Core i7-5820K Core i7 8086K
Manufacturer Intel Intel
Architecture Haswell-E Coffee Lake
Core Speed 3.3 GHz 4.0 GHz
Hyperthreading Yes Yes
Cores / Modules 6 6
Total Threads 12 12
Turbo 1/1/1/1/3/3 5 GHz
L2 Cache 6 x 256 KB
L3 Cache 15 MB 12MB
GPU Model N/A UHD 630
TDP 140 Watts 95 Watts
Socket LGA 2011-3 LGA 1151
Released 2014-08-01 August 2017