Intel Core i3 8300 vs Intel Core i5 8400

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We compared two desktop CPUs: Intel Core i3 8300 with 4 cores 3.7GHz 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

Intel Core i3 8300 's Advantages

Released 6 months late

Higher base frequency (3.7GHz vs 2.8GHz)

Lower TDP (62W vs 65W)

Intel Core i5 8400 's Advantages

Higher specification of memory (DDR4-2666 vs DDR4-2400)

Larger memory bandwidth (41.6GB/s vs 37.5GB/s)

Larger L3 cache size (9MB vs 8MB)

Score

Benchmark

Geekbench 6 Single Core

Intel Core i3 8300

477

Intel Core i5 8400 +172%

1298

Geekbench 6 Multi Core

Intel Core i3 8300

789

Intel Core i5 8400 +492%

4677

Geekbench 5 Single Core

Intel Core i3 8300

877

Intel Core i5 8400 +17%

1032

Geekbench 5 Multi Core

Intel Core i3 8300

2594

Intel Core i5 8400 +77%

4611

Passmark CPU Single Core

Intel Core i3 8300

2272

Intel Core i5 8400 +5%

2387

Passmark CPU Multi Core

Intel Core i3 8300

6207

Intel Core i5 8400 +48%

9214

Intel Core i3 8300

VS

Intel Core i5 8400

General Parameters

Apr 2018

Release Date

Oct 2017

Intel

Manufacturer

Intel

Desktop

Type

Desktop

x86-64

Instruction Set

x86-64

Coffee Lake

Core Architecture

Coffee Lake

i3-8300

Processor Number

i5-8400

LGA-1151

Socket

LGA-1151

UHD Graphics 630

Integrated Graphics

UHD Graphics 630

Package

14 nm

Manufacturing Process

14 nm

LGA-1151

Socket

LGA-1151

62 W

Power Consumption

65 W

100 °C

Peak Operating Temperature

100 °C

CPU Performance

4

Performance Cores

6

4

Performance Core Threads

6

3.7 GHz

Performance Core Base Frequency

2.8 GHz

-

Performance Core Turbo Frequency

4 GHz

4

Total Core Count

6

4

Total Thread Count

6

-

Bus Frequency

100 MHz

-

Multiplier

28x

-

L1 Cache

64 K per core

-

L2 Cache

256 K per core

8 MB shared

L3 Cache

9 MB shared

-

Unlocked Multiplier

No

Memory Parameters

DDR4-2400

Memory Types

DDR4-2666

64 GB

Max Memory Size

128 GB

2

Max Memory Channels

2

37.5 GB/s

Max Memory Bandwidth

41.6 GB/s

Yes

ECC Memory Support

No

Graphics Card Parameters

true

Integrated Graphics

true

350 MHz

GPU Base Frequency

350 MHz

1150 MHz

GPU Max Dynamic Frequency

1050 MHz

192

Shader Units

192

24

Texture Units

24

3

Raster Operation Units

3

24

Execution Units

24

15 W

Power Consumption

15 W

4096x2304 - 60 Hz

Max Resolution

4096x2304 - 60 Hz

0.38 TFLOPS

Graphics Performance

0.38 TFLOPS

Miscellaneous

Intel Core i3 8300

Official Website

Intel Core i5 8400

3.0

PCIe Version

3.0

16

PCIe Lanes

16

SSE4.1, SSE4.2, AVX-2

Extended Instruction Set

SSE4.1, SSE4.2, AVX-2

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