CPU Compare

Intel Core i7-6900K

Intel Core i7-5820K

Review

General overview and comparison of the processors
Single-Core Performance
Performance in single-threaded apps and benchmarks
Core i7-6900K
48
Core i7-5820K
41
Performance
Measure performance when all cores are involved
Core i7-6900K
22
Core i7-5820K
15
Power Efficiency
The efficiency score of electricity consumption
Core i7-6900K
6
Core i7-5820K
4
SysReqs Overall Score
Generic CPU rating
Core i7-6900K
25
Core i7-5820K
20

Benchmarks

Comparing the performance of CPUs in benchmarks
Passmark CPU (Single-Core)
Core i7-6900K
2340
Core i7-5820K
2000
Passmark CPU (Multi-Core)
Core i7-6900K
14446
Core i7-5820K
9848
Geekbench CPU (Single-Core)
Core i7-6900K
1281
Core i7-5820K
1170
Geekbench CPU (Multi-Core)
Core i7-6900K
7187
Core i7-5820K
5449

Specifications

Comparing technical specifications of the Intel Core i7-6900K and Intel Core i7-5820K

General

Manufacturer Intel Intel
Name Core i7-6900K Core i7-5820K
Segment Desktop Desktop
Codename Broadwell Haswell
Release Date Jun 2016 Sep 2014
Integrated Graphics None None
Unlocked Multiplier Yes Yes

CPU

Cores 8 6
Threads 16 12
Base Clock 3.20 3.30
Turbo Clock 0.00 0.00
L1 Cache 512 KB 384 KB
L2 Cache 1.5 MB 1.5 MB
L3 Cache 20 MB 15 MB

Package

Lithography 14 nm 22 nm
Socket LGA2011-3 LGA2011-3
TDP 140 140
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