Intel Core i5 8400 vs AMD Ryzen 9 7950X3D

VS

Intel Core i5 8400

AMD Ryzen 9 7950X3D

We compared two desktop CPUs: Intel Core i5 8400 with 6 cores 2.8GHz and AMD Ryzen 9 7950X3D with 16 cores 4.2GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Intel Core i5 8400 's Advantages

Lower TDP (65W vs 120W)

AMD Ryzen 9 7950X3D 's Advantages

Released 5 years and 3 months late

Better graphics card performance

Higher specification of memory (5200 vs 2666)

Larger memory bandwidth (83.2GB/s vs 41.6GB/s)

Newer PCIe version (5.0 vs 3.0)

Higher base frequency (4.2GHz vs 2.8GHz)

Larger L3 cache size (128MB vs 9MB)

More modern manufacturing process (5nm vs 14nm)

Score

Benchmark

Cinebench R23 Single Core

Intel Core i5 8400

1026

AMD Ryzen 9 7950X3D +99%

2043

Cinebench R23 Multi Core

Intel Core i5 8400

5798

AMD Ryzen 9 7950X3D +565%

38581

Geekbench 6 Single Core

Intel Core i5 8400

1298

AMD Ryzen 9 7950X3D +132%

3012

Geekbench 6 Multi Core

Intel Core i5 8400

4677

AMD Ryzen 9 7950X3D +333%

20270

Blender

Intel Core i5 8400

83

AMD Ryzen 9 7950X3D +693%

659

Geekbench 5 Single Core

Intel Core i5 8400

1032

AMD Ryzen 9 7950X3D +122%

2294

Geekbench 5 Multi Core

Intel Core i5 8400

4611

AMD Ryzen 9 7950X3D +425%

24247

Passmark CPU Single Core

Intel Core i5 8400

2387

AMD Ryzen 9 7950X3D +73%

4148

Passmark CPU Multi Core

Intel Core i5 8400

9214

AMD Ryzen 9 7950X3D +579%

62623

Intel Core i5 8400

VS

AMD Ryzen 9 7950X3D

General Parameters

Oct 2017

Release Date

Jan 2023

Intel

Manufacturer

Amd

Desktop

Type

Desktop

x86-64

Instruction Set

x86-64

Coffee Lake

Core Architecture

Zen 4 (Raphael)

i5-8400

Processor Number

-

LGA-1151

Socket

AM5

UHD Graphics 630

Integrated Graphics

Radeon Graphics (Ryzen 7000)

Package

-

Transistor Count

13.1 billions

14 nm

Manufacturing Process

5 nm

65 W

Power Consumption

120 W

-

Max Turbo Power Consumption

162 W

100 °C

Peak Operating Temperature

89°C

CPU Performance

6

Performance Cores

16

6

Performance Core Threads

32

2.8 GHz

Performance Core Base Frequency

4.2 GHz

4 GHz

Performance Core Turbo Frequency

5.7 GHz

6

Total Core Count

16

6

Total Thread Count

32

100 MHz

Bus Frequency

100 MHz

28x

Multiplier

42x

64 K per core

L1 Cache

64 K per core

256 K per core

L2 Cache

1 MB per core

9 MB shared

L3 Cache

128 MB shared

No

Unlocked Multiplier

Yes

Memory Parameters

DDR4-2666

Memory Types

DDR5-5200

128 GB

Max Memory Size

128 GB

2

Max Memory Channels

2

41.6 GB/s

Max Memory Bandwidth

83.2 GB/s

No

ECC Memory Support

Yes

Graphics Card Parameters

true

Integrated Graphics

true

350 MHz

GPU Base Frequency

1500 MHz

1050 MHz

GPU Max Dynamic Frequency

2200 MHz

192

Shader Units

448

24

Texture Units

8

3

Raster Operation Units

4

24

Execution Units

2

15 W

Power Consumption

15 W

4096x2304 - 60 Hz

Max Resolution

-

0.38 TFLOPS

Graphics Performance

1.43 TFLOPS

Miscellaneous

Intel Core i5 8400

Official Website

AMD Ryzen 9 7950X3D

3.0

PCIe Version

5.0

16

PCIe Lanes

28

SSE4.1, SSE4.2, AVX-2

Extended Instruction Set

-

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