AMD Ryzen 9 7950X3D vs Intel Core i5 8400

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

Main Differences

AMD Ryzen 9 7950X3D 's Advantages

Released 5 years and 3 months late

Better graphics card performance

Higher specification of memory (DDR5-5200 vs DDR4-2666)

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)

Intel Core i5 8400 's Advantages

Lower TDP (65W vs 120W)

Score

Benchmark

Cinebench R23 Single Core

AMD Ryzen 9 7950X3D +96%

2043

Intel Core i5 8400

1038

Cinebench R23 Multi Core

AMD Ryzen 9 7950X3D +554%

38581

Intel Core i5 8400

5893

Geekbench 6 Single Core

AMD Ryzen 9 7950X3D +132%

3012

Intel Core i5 8400

1298

Geekbench 6 Multi Core

AMD Ryzen 9 7950X3D +333%

20270

Intel Core i5 8400

4677

Blender

AMD Ryzen 9 7950X3D +740%

681

Intel Core i5 8400

81

Geekbench 5 Single Core

AMD Ryzen 9 7950X3D +122%

2294

Intel Core i5 8400

1032

Geekbench 5 Multi Core

AMD Ryzen 9 7950X3D +425%

24247

Intel Core i5 8400

4611

Passmark CPU Single Core

AMD Ryzen 9 7950X3D +73%

4148

Intel Core i5 8400

2387

Passmark CPU Multi Core

AMD Ryzen 9 7950X3D +579%

62623

Intel Core i5 8400

9214

AMD Ryzen 9 7950X3D

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Intel Core i5 8400

General Parameters

Jan 2023

Release Date

Oct 2017

Amd

Manufacturer

Intel

Desktop

Type

Desktop

x86-64

Instruction Set

x86-64

Zen 4 (Raphael)

Core Architecture

Coffee Lake

-

Processor Number

i5-8400

AM5

Socket

LGA-1151

Radeon Graphics (Ryzen 7000)

Integrated Graphics

UHD Graphics 630

Package

13.1 billions

Transistor Count

-

5 nm

Manufacturing Process

14 nm

AM5

Socket

LGA-1151

120 W

Power Consumption

65 W

162 W

Max Turbo Power Consumption

-

89°C

Peak Operating Temperature

100 °C

CPU Performance

16

Performance Cores

6

32

Performance Core Threads

6

4.2 GHz

Performance Core Base Frequency

2.8 GHz

5.7 GHz

Performance Core Turbo Frequency

4 GHz

16

Total Core Count

6

32

Total Thread Count

6

100 MHz

Bus Frequency

100 MHz

42x

Multiplier

28x

64 K per core

L1 Cache

64 K per core

1 MB per core

L2 Cache

256 K per core

128 MB shared

L3 Cache

9 MB shared

Yes

Unlocked Multiplier

No

Memory Parameters

DDR5-5200

Memory Types

DDR4-2666

128 GB

Max Memory Size

128 GB

2

Max Memory Channels

2

83.2 GB/s

Max Memory Bandwidth

41.6 GB/s

Yes

ECC Memory Support

No

Graphics Card Parameters

true

Integrated Graphics

true

1500 MHz

GPU Base Frequency

350 MHz

2200 MHz

GPU Max Dynamic Frequency

1050 MHz

448

Shader Units

192

8

Texture Units

24

4

Raster Operation Units

3

2

Execution Units

24

15 W

Power Consumption

15 W

-

Max Resolution

4096x2304 - 60 Hz

1.43 TFLOPS

Graphics Performance

0.38 TFLOPS

Miscellaneous

AMD Ryzen 9 7950X3D

Official Website

Intel Core i5 8400

5.0

PCIe Version

3.0

28

PCIe Lanes

16

-

Extended Instruction Set

SSE4.1, SSE4.2, AVX-2

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