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Intel Core i3 8121U vs Core i7-990X

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Specification Charts

Combined Speed (all threads combined)

Core i7-990X 42 GT/s
Core i3 8121U 8.8 GT/s
Difference: 33.2 (377%)

Core Speed

Core i7-990X 3.5 GHz
Core i3 8121U 2.2 GHz
Difference: 1.3 (59%)


Core i7-990X 12
Core i3 8121U 4
Difference: 8 (200%)


Core i7-990X 130 Watts
Core i3 8121U 15 Watts
Difference: 115 (767%)

Price Comparison

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Core i3 8121U

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Display Specifications

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Model Core i3 8121U Core i7-990X
Manufacturer Intel Intel
Architecture Cannon Lake Westmere
Core Speed 2.2 GHz 3.5 GHz
Hyperthreading Yes Yes
Cores / Modules 2 6
Total Threads 4 12
Turbo 3.2 GHz 1/1/1/1/2/2
L2 Cache 6 x 256 KB
L3 Cache 4MB 12 MB
GPU Model N/A
TDP 15 Watts 130 Watts
Socket LGA 1366
Released 2018 2011-02-01