Intel Core i9 10940X vs Intel Core i5 10400

VS

Intel Core i9 10940X

Intel Core i5 10400

We compared two desktop CPUs: Intel Core i9 10940X with 14 cores 3.3GHz and Intel Core i5 10400 with 6 cores 2.9GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Intel Core i9 10940X 's Advantages

Higher specification of memory (2933 vs 2666)

Larger memory bandwidth (93.8GB/s vs 41.6GB/s)

Higher base frequency (3.3GHz vs 2.9GHz)

Larger L3 cache size (20MB vs 12MB)

Intel Core i5 10400 's Advantages

Released 7 months late

Integrated graphics card

Lower TDP (65W vs 165W)

Score

Benchmark

Cinebench R23 Single Core

Intel Core i9 10940X +9%

1234

Intel Core i5 10400

1126

Cinebench R23 Multi Core

Intel Core i9 10940X +180%

21309

Intel Core i5 10400

7610

Geekbench 6 Single Core

Intel Core i9 10940X +4%

1471

Intel Core i5 10400

1401

Geekbench 6 Multi Core

Intel Core i9 10940X +90%

11287

Intel Core i5 10400

5919

Geekbench 5 Single Core

Intel Core i9 10940X

1144

Intel Core i5 10400

1149

Geekbench 5 Multi Core

Intel Core i9 10940X +135%

13573

Intel Core i5 10400

5766

Passmark CPU Single Core

Intel Core i9 10940X +4%

2686

Intel Core i5 10400

2569

Passmark CPU Multi Core

Intel Core i9 10940X +128%

27907

Intel Core i5 10400

12194

Intel Core i9 10940X

VS

Intel Core i5 10400

General Parameters

Oct 2019

Release Date

May 2020

Intel

Manufacturer

Intel

Desktop

Type

Desktop

x86-64

Instruction Set

x86-64

Cascade Lake

Core Architecture

Comet Lake

i9-10940X

Processor Number

i5-10400

LGA-2066

Socket

LGA-1200

N/A

Integrated Graphics

UHD Graphics 630

Package

14 nm

Manufacturing Process

14 nm

165 W

Power Consumption

65 W

86 °C

Peak Operating Temperature

100 °C

CPU Performance

14

Performance Cores

6

28

Performance Core Threads

12

3.3 GHz

Performance Core Base Frequency

2.9 GHz

4.6 GHz

Performance Core Turbo Frequency

4.3 GHz

14

Total Core Count

6

28

Total Thread Count

12

100 MHz

Bus Frequency

100 MHz

33x

Multiplier

29x

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

12 MB shared

Yes

Unlocked Multiplier

No

Memory Parameters

DDR4-2933

Memory Types

DDR4-2666

256 GB

Max Memory Size

128 GB

4

Max Memory Channels

2

93.8 GB/s

Max Memory Bandwidth

41.6 GB/s

No

ECC Memory Support

No

Graphics Card Parameters

-

Integrated Graphics

true

-

GPU Base Frequency

350 MHz

-

GPU Max Dynamic Frequency

1100 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 10940X

Official Website

Intel Core i5 10400

3.0

PCIe Version

3.0

48

PCIe Lanes

16

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

Extended Instruction Set

-

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