Compare any two CPUs:

VS

Intel Core i7-3820 vs Core i9-12900

Display Graphs

Hide Graphs

Specification Charts

Combined Speed (all threads combined)

Core i9-12900 57.6 GT/s
Core i7-3820 28.8 GT/s
Difference: 28.8 (100%)

Core Speed

Core i7-3820 3.6 GHz
Core i9-12900 2.4 GHz
Difference: 1.2 (50%)

Threads

Core i9-12900 24
Core i7-3820 8
Difference: 16 (200%)

TDP

Core i7-3820 130 Watts
Core i9-12900 65 Watts
Difference: 65 (100%)

Price Comparison

Display Prices

Hide Prices

Core i7-3820

Amazon.com

Check prices at:

Core i9-12900

Amazon.com

Check prices at:

Please note that the price comparisons are based on search keywords - sometimes it might show cards with very similar names that are not exactly the same as the one chosen in the comparison. We do try to filter out the wrong results as best we can, though.

Specifications

Display Specifications

Hide Specifications

Model Core i7-3820 Core i9-12900
Manufacturer Intel Intel
Architecture Sandy Bridge-E Alder Lake-S
Core Speed 3.6 GHz 2.4 GHz
Hyperthreading Yes Yes
Cores / Modules 4 16
Total Threads 8 24
Turbo 1/1/2/2 5.1
L2 Cache 4 x 256 KB 16 x 1.25MB
L3 Cache 10 MB 30 MB
GPU Model N/A UHD Graphics 770
TDP 130 Watts 65 Watts
Socket LGA 2011 Socket 1700
Released 2012-02-01 January 2022