Compare any two CPUs:


Intel Core i7-10700 vs Core i7-3820

Display Graphs

Hide Graphs

Specification Charts

Combined Speed (all threads combined)

Core i7-10700 34.8 GT/s
Core i7-3820 28.8 GT/s
Difference: 6 (21%)

Core Speed

Core i7-3820 3.6 GHz
Core i7-10700 2.9 GHz
Difference: 0.7 (24%)


Core i7-10700 12
Core i7-3820 8
Difference: 4 (50%)


Core i7-3820 130 Watts
Core i7-10700 65 Watts
Difference: 65 (100%)

Price Comparison

Display Prices

Hide Prices

Core i7-10700

Check prices at:

Core i7-3820

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.


Display Specifications

Hide Specifications

Model Core i7-10700 Core i7-3820
Manufacturer Intel Intel
Architecture Comet Lake Sandy Bridge-E
Core Speed 2.9 GHz 3.6 GHz
Hyperthreading Yes Yes
Cores / Modules 8 4
Total Threads 12 8
Turbo 4.8 1/1/2/2
L2 Cache 8 x 256 KB 4 x 256 KB
L3 Cache 16 MB 10 MB
GPU Model UHD 630 N/A
TDP 65 Watts 130 Watts
Socket LGA 1200 LGA 2011
Released May 2020 2012-02-01