AMD Ryzen 7 7800X vs Intel Core i5 6400

VS

AMD Ryzen 7 7800X

Intel Core i5 6400

We compared two desktop CPUs: AMD Ryzen 7 7800X with 10 cores 4.5GHz and Intel Core i5 6400 with 4 cores 2.7GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

AMD Ryzen 7 7800X 's Advantages

Released 7 years and 4 months late

Higher specification of memory (5200 vs 2133)

Newer PCIe version (5.0 vs 3.0)

Higher base frequency (4.5GHz vs 2.7GHz)

Larger L3 cache size (40MB vs 6MB)

More modern manufacturing process (5nm vs 14nm)

Intel Core i5 6400 's Advantages

Lower TDP (65W vs 105W)

Score

Benchmark

Cinebench R23 Single Core

AMD Ryzen 7 7800X +118%

1959

Intel Core i5 6400

898

Cinebench R23 Multi Core

AMD Ryzen 7 7800X +600%

22519

Intel Core i5 6400

3214

Geekbench 5 Single Core

AMD Ryzen 7 7800X +145%

2097

Intel Core i5 6400

853

Geekbench 5 Multi Core

AMD Ryzen 7 7800X +476%

16163

Intel Core i5 6400

2805

AMD Ryzen 7 7800X

VS

Intel Core i5 6400

General Parameters

Jan 2023

Release Date

Sep 2015

AMD

Manufacturer

Intel

Desktop

Type

Desktop

x86-64

Instruction Set

x86-64

Zen 4 (Raphael)

Core Architecture

Skylake

-

Processor Number

i5-6400

AM5

Socket

LGA-1151

Radeon Graphics (Ryzen 7000)

Integrated Graphics

HD Graphics 530

Package

5 nm

Manufacturing Process

14 nm

105 W

Power Consumption

65 W

95°C

Peak Operating Temperature

-

CPU Performance

10

Performance Cores

4

20

Performance Core Threads

4

4.5 GHz

Performance Core Base Frequency

2.7 GHz

5.4 GHz

Performance Core Turbo Frequency

3.3 GHz

10

Total Core Count

4

20

Total Thread Count

4

100 MHz

Bus Frequency

100 MHz

45x

Multiplier

27x

-

L1 Cache

64 K per core

1 MB per core

L2 Cache

256 K per core

40 MB shared

L3 Cache

6 MB shared

Yes

Unlocked Multiplier

No

Memory Parameters

DDR5-5200

Memory Types

DDR4-2133, DDR3L-1600

128 GB

Max Memory Size

64 GB

2

Max Memory Channels

2

-

Max Memory Bandwidth

34.1 GB/s

-

ECC Memory Support

No

Graphics Card Parameters

true

Integrated Graphics

true

1500 MHz

GPU Base Frequency

-

2200 MHz

GPU Max Dynamic Frequency

950 MHz

128

Shader Units

-

8

Texture Units

-

4

Raster Operation Units

-

2

Execution Units

-

15 W

Power Consumption

-

0.54 TFLOPS

Graphics Performance

-

Miscellaneous

-

Official Website

Intel Core i5 6400

5.0

PCIe Version

3.0

28

PCIe Lanes

16

-

Extended Instruction Set

SSE4.1, SSE4.2, AVX-2

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