Intel Core i5 6400 vs AMD Ryzen 9 3950X

VS

Intel Core i5 6400

AMD Ryzen 9 3950X

We compared two desktop CPUs: Intel Core i5 6400 with 4 cores 2.7GHz and AMD Ryzen 9 3950X with 16 cores 3.5GHz . 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

Integrated graphics card

Lower TDP (65W vs 105W)

AMD Ryzen 9 3950X 's Advantages

Released 4 years and 2 months late

Higher specification of memory (3200 vs 2133)

Larger memory bandwidth (47.68GB/s vs 34.1GB/s)

Newer PCIe version (4.0 vs 3.0)

Higher base frequency (3.5GHz vs 2.7GHz)

Larger L3 cache size (64MB vs 6MB)

More modern manufacturing process (7nm vs 14nm)

Score

Benchmark

Cinebench R23 Single Core

Intel Core i5 6400

898

AMD Ryzen 9 3950X +50%

1349

Cinebench R23 Multi Core

Intel Core i5 6400

3214

AMD Ryzen 9 3950X +659%

24396

Geekbench 6 Single Core

Intel Core i5 6400

1143

AMD Ryzen 9 3950X +49%

1709

Geekbench 6 Multi Core

Intel Core i5 6400

3312

AMD Ryzen 9 3950X +251%

11656

Geekbench 5 Single Core

Intel Core i5 6400

853

AMD Ryzen 9 3950X +49%

1279

Geekbench 5 Multi Core

Intel Core i5 6400

2805

AMD Ryzen 9 3950X +416%

14487

Passmark CPU Single Core

Intel Core i5 6400

1961

AMD Ryzen 9 3950X +37%

2692

Passmark CPU Multi Core

Intel Core i5 6400

5151

AMD Ryzen 9 3950X +656%

38953

Intel Core i5 6400

VS

AMD Ryzen 9 3950X

General Parameters

Sep 2015

Release Date

Nov 2019

Intel

Manufacturer

AMD

Desktop

Type

Desktop

x86-64

Instruction Set

x86-64

Skylake

Core Architecture

Zen 2

i5-6400

Processor Number

-

LGA-1151

Socket

AM4

HD Graphics 530

Integrated Graphics

N/A

Package

-

Transistor Count

3.8 billions

14 nm

Manufacturing Process

7 nm

65 W

Power Consumption

105 W

CPU Performance

4

Performance Cores

16

4

Performance Core Threads

32

2.7 GHz

Performance Core Base Frequency

3.5 GHz

3.3 GHz

Performance Core Turbo Frequency

4.7 GHz

4

Total Core Count

16

4

Total Thread Count

32

100 MHz

Bus Frequency

100 MHz

27x

Multiplier

35x

64 K per core

L1 Cache

64 K per core

256 K per core

L2 Cache

512 K per core

6 MB shared

L3 Cache

64 MB shared

No

Unlocked Multiplier

Yes

Memory Parameters

DDR4-2133, DDR3L-1600

Memory Types

DDR4-3200

64 GB

Max Memory Size

128 GB

2

Max Memory Channels

2

34.1 GB/s

Max Memory Bandwidth

47.68 GB/s

No

ECC Memory Support

Yes

Graphics Card Parameters

true

Integrated Graphics

-

950 MHz

GPU Max Dynamic Frequency

-

Miscellaneous

Intel Core i5 6400

Official Website

AMD Ryzen 9 3950X

3.0

PCIe Version

4.0

16

PCIe Lanes

16

SSE4.1, SSE4.2, AVX-2

Extended Instruction Set

-

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