AMD Ryzen 7 1800X vs Intel Core i5 8400

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We compared two desktop CPUs: AMD Ryzen 7 1800X with 8 cores 3.6GHz 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 7 1800X 's Advantages

Higher base frequency (3.6GHz vs 2.8GHz)

Larger L3 cache size (16MB vs 9MB)

Intel Core i5 8400 's Advantages

Released 7 months late

Integrated graphics card

Larger memory bandwidth (41.6GB/s vs 39.74GB/s)

Lower TDP (65W vs 95W)

Score

Benchmark

Cinebench R23 Single Core

AMD Ryzen 7 1800X

963

Intel Core i5 8400 +7%

1038

Cinebench R23 Multi Core

AMD Ryzen 7 1800X +56%

9232

Intel Core i5 8400

5893

Geekbench 6 Single Core

AMD Ryzen 7 1800X

1096

Intel Core i5 8400 +18%

1298

Geekbench 6 Multi Core

AMD Ryzen 7 1800X +27%

5970

Intel Core i5 8400

4677

Geekbench 5 Single Core

AMD Ryzen 7 1800X

981

Intel Core i5 8400 +5%

1032

Geekbench 5 Multi Core

AMD Ryzen 7 1800X +45%

6696

Intel Core i5 8400

4611

Passmark CPU Single Core

AMD Ryzen 7 1800X

2178

Intel Core i5 8400 +9%

2387

Passmark CPU Multi Core

AMD Ryzen 7 1800X +76%

16305

Intel Core i5 8400

9214

AMD Ryzen 7 1800X

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Intel Core i5 8400

General Parameters

Mar 2017

Release Date

Oct 2017

AMD

Manufacturer

Intel

Desktop

Type

Desktop

x86-64

Instruction Set

x86-64

Zen

Core Architecture

Coffee Lake

-

Processor Number

i5-8400

AM4

Socket

LGA-1151

N/A

Integrated Graphics

UHD Graphics 630

Package

4.8 billions

Transistor Count

-

14 nm

Manufacturing Process

14 nm

AM4

Socket

LGA-1151

95 W

Power Consumption

65 W

95 °C

Peak Operating Temperature

100 °C

CPU Performance

8

Performance Cores

6

16

Performance Core Threads

6

3.6 GHz

Performance Core Base Frequency

2.8 GHz

4 GHz

Performance Core Turbo Frequency

4 GHz

8

Total Core Count

6

16

Total Thread Count

6

100 MHz

Bus Frequency

100 MHz

36x

Multiplier

28x

96 K per core

L1 Cache

64 K per core

512 K per core

L2 Cache

256 K per core

16 MB shared

L3 Cache

9 MB shared

Yes

Unlocked Multiplier

No

Memory Parameters

DDR4-2666

Memory Types

DDR4-2666

64 GB

Max Memory Size

128 GB

2

Max Memory Channels

2

39.74 GB/s

Max Memory Bandwidth

41.6 GB/s

Yes

ECC Memory Support

No

Graphics Card Parameters

-

Integrated Graphics

true

-

GPU Base Frequency

350 MHz

-

GPU Max Dynamic Frequency

1050 MHz

-

Shader Units

192

-

Texture Units

24

-

Raster Operation Units

3

-

Execution Units

24

-

Power Consumption

15 W

-

Max Resolution

4096x2304 - 60 Hz

-

Graphics Performance

0.38 TFLOPS

Miscellaneous

AMD Ryzen 7 1800X

Official Website

Intel Core i5 8400

3.0

PCIe Version

3.0

20

PCIe Lanes

16

-

Extended Instruction Set

SSE4.1, SSE4.2, AVX-2

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