CPU Compare

Intel Core i9-7900X

Intel Core i7-4820K

Review

General overview and comparison of the processors
Single-Core Performance
Performance in single-threaded apps and benchmarks
Core i9-7900X
53
Core i7-4820K
40
Performance
Measure performance when all cores are involved
Core i9-7900X
32
Core i7-4820K
10
Power Efficiency
The efficiency score of electricity consumption
Core i9-7900X
10
Core i7-4820K
3
SysReqs Overall Score
Generic CPU rating
Core i9-7900X
31
Core i7-4820K
18

Benchmarks

Comparing the performance of CPUs in benchmarks
Passmark CPU (Single-Core)
Core i9-7900X
2570
Core i7-4820K
1954
Passmark CPU (Multi-Core)
Core i9-7900X
21159
Core i7-4820K
6506
Geekbench CPU (Single-Core)
Core i9-7900X
1443
Core i7-4820K
669
Geekbench CPU (Multi-Core)
Core i9-7900X
8853
Core i7-4820K
2500

Specifications

Comparing technical specifications of the Intel Core i9-7900X and Intel Core i7-4820K

General

Manufacturer Intel Intel
Name Core i9-7900X Core i7-4820K
Segment Desktop Desktop
Codename Skylake Ivy Bridge
Release Date Jun 2017 Jul 2013
Integrated Graphics None None
Unlocked Multiplier Yes Yes

CPU

Cores 10 4
Threads 20 8
Base Clock 3.30 3.70
Turbo Clock 0.00 0.00
L1 Cache 640 KB 256 KB
L2 Cache 10 MB 1 MB
L3 Cache 13.75 MB 10 MB

Package

Lithography 14 nm 22 nm
Socket LGA2066 LGA2011
TDP 140 130
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