Intel Core i5 6400 vs AMD Ryzen 7 7800X3D

VS

Intel Core i5 6400

AMD Ryzen 7 7800X3D

We compared two desktop CPUs: Intel Core i5 6400 with 4 cores 2.7GHz and AMD Ryzen 7 7800X3D with 8 cores 4.4GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Intel Core i5 6400 's Advantages

Lower TDP (65W vs 120W)

AMD Ryzen 7 7800X3D 's Advantages

Released 7 years and 4 months late

Higher specification of memory (5200 vs 2133)

Larger memory bandwidth (83.2GB/s vs 34.1GB/s)

Newer PCIe version (5.0 vs 3.0)

Higher base frequency (4.4GHz vs 2.7GHz)

Larger L3 cache size (96MB vs 6MB)

More modern manufacturing process (5nm vs 14nm)

Score

Benchmark

Cinebench R23 Single Core

Intel Core i5 6400

898

AMD Ryzen 7 7800X3D +102%

1817

Cinebench R23 Multi Core

Intel Core i5 6400

3214

AMD Ryzen 7 7800X3D +452%

17762

Geekbench 6 Single Core

Intel Core i5 6400

1143

AMD Ryzen 7 7800X3D +128%

2607

Geekbench 6 Multi Core

Intel Core i5 6400

3312

AMD Ryzen 7 7800X3D +343%

14702

Blender

Intel Core i5 6400

49

AMD Ryzen 7 7800X3D +577%

332

Geekbench 5 Single Core

Intel Core i5 6400

853

AMD Ryzen 7 7800X3D +127%

1940

Geekbench 5 Multi Core

Intel Core i5 6400

2805

AMD Ryzen 7 7800X3D +385%

13605

Intel Core i5 6400

VS

AMD Ryzen 7 7800X3D

General Parameters

Sep 2015

Release Date

Jan 2023

Intel

Manufacturer

AMD

Desktop

Type

Desktop

x86-64

Instruction Set

x86-64

Skylake

Core Architecture

Zen 4 (Raphael)

i5-6400

Processor Number

-

LGA-1151

Socket

AM5

HD Graphics 530

Integrated Graphics

Radeon Graphics (Ryzen 7000)

Package

-

Transistor Count

6.57 billions

14 nm

Manufacturing Process

5 nm

65 W

Power Consumption

120 W

-

Peak Operating Temperature

89°C

CPU Performance

4

Performance Cores

8

4

Performance Core Threads

16

2.7 GHz

Performance Core Base Frequency

4.4 GHz

3.3 GHz

Performance Core Turbo Frequency

5 GHz

4

Total Core Count

8

4

Total Thread Count

16

100 MHz

Bus Frequency

100 MHz

27x

Multiplier

44x

64 K per core

L1 Cache

64 K per core

256 K per core

L2 Cache

1 MB per core

6 MB shared

L3 Cache

96 MB shared

No

Unlocked Multiplier

Yes

Memory Parameters

DDR4-2133, DDR3L-1600

Memory Types

DDR5-5200

64 GB

Max Memory Size

128 GB

2

Max Memory Channels

2

34.1 GB/s

Max Memory Bandwidth

83.2 GB/s

No

ECC Memory Support

Yes

Graphics Card Parameters

true

Integrated Graphics

true

-

GPU Base Frequency

1500 MHz

950 MHz

GPU Max Dynamic Frequency

2200 MHz

-

Shader Units

128

-

Texture Units

8

-

Raster Operation Units

4

-

Execution Units

2

-

Power Consumption

15 W

-

Graphics Performance

0.54 TFLOPS

Miscellaneous

Intel Core i5 6400

Official Website

AMD Ryzen 7 7800X3D

3.0

PCIe Version

5.0

16

PCIe Lanes

24

SSE4.1, SSE4.2, AVX-2

Extended Instruction Set

-

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