Intel Core i5 8400 vs AMD Ryzen 7 5800XT

VS

Intel Core i5 8400

AMD Ryzen 7 5800XT

We compared two desktop CPUs: Intel Core i5 8400 with 6 cores 2.8GHz and AMD Ryzen 7 5800XT with 8 cores 3.8GHz . 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

Integrated graphics card

Lower TDP (65W vs 105W)

AMD Ryzen 7 5800XT 's Advantages

Released 6 years and 9 months late

Higher specification of memory (3200 vs 2666)

Larger memory bandwidth (47.68GB/s vs 41.6GB/s)

Newer PCIe version (4 vs 3.0)

Higher base frequency (3.8GHz vs 2.8GHz)

Larger L3 cache size (32MB vs 9MB)

More modern manufacturing process (7nm vs 14nm)

Score

Benchmark

Geekbench 6 Single Core

Intel Core i5 8400

1298

AMD Ryzen 7 5800XT +69%

2205

Geekbench 6 Multi Core

Intel Core i5 8400

4677

AMD Ryzen 7 5800XT +103%

9519

Intel Core i5 8400

VS

AMD Ryzen 7 5800XT

General Parameters

Oct 2017

Release Date

Jul 2024

Intel

Manufacturer

AMD

Desktop

Type

Desktop

x86-64

Instruction Set

x86-64

Coffee Lake

Core Architecture

Vermeer

i5-8400

Processor Number

-

LGA-1151

Socket

AMD Socket AM4

UHD Graphics 630

Integrated Graphics

N/A

-

Generation

Ryzen 7 (Zen 3 (Vermeer))

Package

-

Transistor Count

4.15 billions

14 nm

Manufacturing Process

7 nm

65 W

Power Consumption

105 W

100 °C

Peak Operating Temperature

90°C

-

Foundry

TSMC

-

Die Size

74 mm²

-

I/O Process Size

12 nm

-

I/O Die Size

125 mm²

CPU Performance

6

Performance Cores

8

6

Performance Core Threads

16

2.8 GHz

Performance Core Base Frequency

3.8 GHz

4 GHz

Performance Core Turbo Frequency

4.8 GHz

6

Total Core Count

8

6

Total Thread Count

16

100 MHz

Bus Frequency

100 MHz

28x

Multiplier

38.0

64 K per core

L1 Cache

64 KB per core

256 K per core

L2 Cache

512 KB per core

9 MB shared

L3 Cache

32 MB

No

Unlocked Multiplier

Yes

-

SMP

1

Memory Parameters

DDR4-2666

Memory Types

DDR4-3200

128 GB

Max Memory Size

128 GB

2

Max Memory Channels

2

41.6 GB/s

Max Memory Bandwidth

47.68 GB/s

No

ECC Memory Support

Yes

Graphics Card Parameters

true

Integrated Graphics

-

350 MHz

GPU Base Frequency

-

1050 MHz

GPU Max Dynamic Frequency

-

192

Shader Units

-

24

Texture Units

-

3

Raster Operation Units

-

24

Execution Units

-

15 W

Power Consumption

-

4096x2304 - 60 Hz

Max Resolution

-

0.38 TFLOPS

Graphics Performance

-

Miscellaneous

Intel Core i5 8400

Official Website

AMD Ryzen 7 5800XT

3.0

PCIe Version

4

16

PCIe Lanes

20

SSE4.1, SSE4.2, AVX-2

Extended Instruction Set

-

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