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Intel Core i3 8121U vs AMD Ryzen 9 3900X

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Specification Charts

Combined Speed (all threads combined)

Ryzen 9 3900X 91.2 GT/s
Core i3 8121U 8.8 GT/s
Difference: 82.4 (936%)

Core Speed

Ryzen 9 3900X 3.8 GHz
Core i3 8121U 2.2 GHz
Difference: 1.6 (73%)


Ryzen 9 3900X 24
Core i3 8121U 4
Difference: 20 (500%)


Ryzen 9 3900X 105 Watts
Core i3 8121U 15 Watts
Difference: 90 (600%)

Price Comparison

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Core i3 8121U

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Display Specifications

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Model Core i3 8121U Ryzen 9 3900X
Manufacturer Intel AMD
Architecture Cannon Lake Zen 2
Core Speed 2.2 GHz 3.8 GHz
Hyperthreading Yes No
Cores / Modules 2 12
Total Threads 4 24
Turbo 3.2 GHz 4.6
L2 Cache 512kb per core
L3 Cache 4MB 64mb
GPU Model
TDP 15 Watts 105 Watts
Socket AM4
Released 2018 July 2019