Intel Core i5 6400 vs AMD Ryzen 7 7700X

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We compared two desktop CPUs: Intel Core i5 6400 with 4 cores 2.7GHz and AMD Ryzen 7 7700X with 8 cores 4.5GHz . 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 105W)

AMD Ryzen 7 7700X 's Advantages

Released 7 years late

Higher specification of memory (DDR5-5200 vs DDR4-2133)

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

Newer PCIe version (5.0 vs 3.0)

Higher base frequency (4.5GHz vs 2.7GHz)

Larger L3 cache size (32MB vs 6MB)

Score

Benchmark

Cinebench R23 Single Core

Intel Core i5 6400

898

AMD Ryzen 7 7700X +122%

1994

Cinebench R23 Multi Core

Intel Core i5 6400

3214

AMD Ryzen 7 7700X +524%

20058

Geekbench 6 Single Core

Intel Core i5 6400

1143

AMD Ryzen 7 7700X +147%

2824

Geekbench 6 Multi Core

Intel Core i5 6400

3312

AMD Ryzen 7 7700X +348%

14853

Blender

Intel Core i5 6400

41

AMD Ryzen 7 7700X +702%

329

Geekbench 5 Single Core

Intel Core i5 6400

853

AMD Ryzen 7 7700X +159%

2210

Geekbench 5 Multi Core

Intel Core i5 6400

2805

AMD Ryzen 7 7700X +401%

14074

Passmark CPU Single Core

Intel Core i5 6400

1961

AMD Ryzen 7 7700X +117%

4263

Passmark CPU Multi Core

Intel Core i5 6400

5151

AMD Ryzen 7 7700X +604%

36309

Intel Core i5 6400

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AMD Ryzen 7 7700X

General Parameters

Sep 2015

Release Date

Sep 2022

Intel

Manufacturer

AMD

Desktop

Type

Desktop

x86-64

Instruction Set

x86-64

Skylake

Core Architecture

Raphael

i5-6400

Processor Number

-

LGA-1151

Socket

AM5

HD Graphics 530

Integrated Graphics

AMD Radeon™ Graphics

Package

14 nm

Manufacturing Process

5 nm

LGA-1151

Socket

AM5

65 W

Power Consumption

105 W

-

Peak Operating Temperature

95 °C

CPU Performance

4

Performance Cores

8

4

Performance Core Threads

16

2.7 GHz

Performance Core Base Frequency

4.5 GHz

3.3 GHz

Performance Core Turbo Frequency

5.4 GHz

4

Total Core Count

8

4

Total Thread Count

16

100 MHz

Bus Frequency

100 MHz

27x

Multiplier

45x

64 K per core

L1 Cache

512 KB

256 K per core

L2 Cache

8 MB

6 MB shared

L3 Cache

32 MB

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

-

Graphics Card Parameters

true

Integrated Graphics

true

950 MHz

GPU Max Dynamic Frequency

-

Miscellaneous

Intel Core i5 6400

Official Website

AMD Ryzen 7 7700X

3.0

PCIe Version

5.0

16

PCIe Lanes

24

SSE4.1, SSE4.2, AVX-2

Extended Instruction Set

-

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