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Intel Core i7-7700K vs Core i7-990X

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Specification Charts

Combined Speed (all threads combined)

Core i7-990X 42 GT/s
Core i7-7700K 33.6 GT/s
Difference: 8.4 (25%)

Core Speed

Core i7-7700K 4.2 GHz
Core i7-990X 3.5 GHz
Difference: 0.7 (20%)

Threads

Core i7-990X 12
Core i7-7700K 8
Difference: 4 (50%)

TDP

Core i7-990X 130 Watts
Core i7-7700K 91 Watts
Difference: 39 (43%)

Price Comparison

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Core i7-7700K

Amazon.com

Core i7-990X

Amazon.com

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Specifications

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Model Core i7-7700K Core i7-990X
Manufacturer Intel Intel
Architecture Kaby Lake-S (14 nm) Westmere
Core Speed 4.2 GHz 3.5 GHz
Hyperthreading Yes Yes
Cores / Modules 4 6
Total Threads 8 12
Turbo 4.5 GHz 1/1/1/1/2/2
L2 Cache 4 x 256 KB 6 x 256 KB
L3 Cache 8 MB 12 MB
GPU Model HD Graphics 630 N/A
TDP 91 Watts 130 Watts
Socket LGA 1151 LGA 1366
Released January 2017 2011-02-01