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Intel Core i7-5820K vs Core i7-7700K

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Specification Charts

Combined Speed (all threads combined)

Core i7-5820K 39.6 GT/s
Core i7-7700K 33.6 GT/s
Difference: 6 (18%)

Core Speed

Core i7-7700K 4.2 GHz
Core i7-5820K 3.3 GHz
Difference: 0.9 (27%)

Threads

Core i7-5820K 12
Core i7-7700K 8
Difference: 4 (50%)

TDP

Core i7-5820K 140 Watts
Core i7-7700K 91 Watts
Difference: 49 (54%)

Price Comparison

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Core i7-5820K

Amazon.com

Core i7-7700K

Amazon.com

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Specifications

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Model Core i7-5820K Core i7-7700K
Manufacturer Intel Intel
Architecture Haswell-E Kaby Lake-S (14 nm)
Core Speed 3.3 GHz 4.2 GHz
Hyperthreading Yes Yes
Cores / Modules 6 4
Total Threads 12 8
Turbo 1/1/1/1/3/3 4.5 GHz
L2 Cache 6 x 256 KB 4 x 256 KB
L3 Cache 15 MB 8 MB
GPU Model N/A HD Graphics 630
TDP 140 Watts 91 Watts
Socket LGA 2011-3 LGA 1151
Released 2014-08-01 January 2017