Intel Core i9 9940X vs Intel Core i3 9300

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We compared two desktop CPUs: Intel Core i9 9940X with 14 cores 3.3GHz and Intel Core i3 9300 with 4 cores 3.7GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Intel Core i9 9940X 's Advantages

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

Larger memory bandwidth (85GB/s vs 37.5GB/s)

Larger L3 cache size (20MB vs 8MB)

Intel Core i3 9300 's Advantages

Released 6 months late

Integrated graphics card

Higher base frequency (3.7GHz vs 3.3GHz)

Lower TDP (62W vs 165W)

Score

Benchmark

Geekbench 6 Single Core

Intel Core i9 9940X +21%

1328

Intel Core i3 9300

1090

Geekbench 6 Multi Core

Intel Core i9 9940X +345%

9787

Intel Core i3 9300

2195

Geekbench 5 Single Core

Intel Core i9 9940X +7%

1189

Intel Core i3 9300

1104

Geekbench 5 Multi Core

Intel Core i9 9940X +283%

14374

Intel Core i3 9300

3749

Passmark CPU Single Core

Intel Core i9 9940X

2608

Intel Core i3 9300 +1%

2660

Passmark CPU Multi Core

Intel Core i9 9940X +290%

28355

Intel Core i3 9300

7256

Intel Core i9 9940X

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Intel Core i3 9300

General Parameters

Oct 2018

Release Date

Apr 2019

Intel

Manufacturer

Intel

Desktop

Type

Desktop

x86-64

Instruction Set

x86-64

Skylake

Core Architecture

Coffee Lake

i9-9940X

Processor Number

i3-9300

LGA-2066

Socket

LGA-1151

N/A

Integrated Graphics

UHD Graphics 630

Package

14 nm

Manufacturing Process

14 nm

LGA-2066

Socket

LGA-1151

165 W

Power Consumption

62 W

88 °C

Peak Operating Temperature

100 °C

CPU Performance

14

Performance Cores

4

28

Performance Core Threads

4

3.3 GHz

Performance Core Base Frequency

3.7 GHz

4.4 GHz

Performance Core Turbo Frequency

4.3 GHz

14

Total Core Count

4

28

Total Thread Count

4

100 MHz

Bus Frequency

100 MHz

33x

Multiplier

37x

64 K per core

L1 Cache

64 K per core

1 MB per core

L2 Cache

256 K per core

20 MB shared

L3 Cache

8 MB shared

Yes

Unlocked Multiplier

No

Memory Parameters

DDR4-2666

Memory Types

DDR4-2400

128 GB

Max Memory Size

64 GB

4

Max Memory Channels

2

85 GB/s

Max Memory Bandwidth

37.5 GB/s

No

ECC Memory Support

No

Graphics Card Parameters

-

Integrated Graphics

true

-

GPU Base Frequency

350 MHz

-

GPU Max Dynamic Frequency

1150 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

Intel Core i9 9940X

Official Website

Intel Core i3 9300

3.0

PCIe Version

3.0

44

PCIe Lanes

16

SSE4.1, SSE4.2, AVX-2, AVX-512

Extended Instruction Set

SSE4.1, SSE4.2, AVX-2

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