Intel Core i7 7740X vs Intel Core i5 10400F

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Intel Core i7 7740X

Intel Core i5 10400F

We compared two desktop CPUs: Intel Core i7 7740X with 4 cores 4.3GHz and Intel Core i5 10400F 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 i7 7740X 's Advantages

Larger memory bandwidth (42.7GB/s vs 41.6GB/s)

Higher base frequency (4.3GHz vs 2.9GHz)

Intel Core i5 10400F 's Advantages

Released 3 years late

Larger L3 cache size (12MB vs 8MB)

Lower TDP (65W vs 112W)

Score

Benchmark

Geekbench 6 Single Core

Intel Core i7 7740X +6%

1553

Intel Core i5 10400F

1459

Geekbench 6 Multi Core

Intel Core i7 7740X

5516

Intel Core i5 10400F +12%

6209

Geekbench 5 Single Core

Intel Core i7 7740X +17%

1291

Intel Core i5 10400F

1101

Geekbench 5 Multi Core

Intel Core i7 7740X

5001

Intel Core i5 10400F +20%

6041

Passmark CPU Single Core

Intel Core i7 7740X +8%

2759

Intel Core i5 10400F

2551

Passmark CPU Multi Core

Intel Core i7 7740X

9824

Intel Core i5 10400F +25%

12350

Intel Core i7 7740X

VS

Intel Core i5 10400F

General Parameters

May 2017

Release Date

May 2020

Intel

Manufacturer

Intel

Desktop

Type

Desktop

x86-64

Instruction Set

x86-64

Kaby Lake

Core Architecture

Comet Lake

i7-7740X

Processor Number

i5-10400F

LGA-2066

Socket

LGA-1200

N/A

Integrated Graphics

N/A

Package

14 nm

Manufacturing Process

14 nm

112 W

Power Consumption

65 W

100 °C

Peak Operating Temperature

100 °C

CPU Performance

4

Performance Cores

6

8

Performance Core Threads

12

4.3 GHz

Performance Core Base Frequency

2.9 GHz

4.5 GHz

Performance Core Turbo Frequency

4.3 GHz

4

Total Core Count

6

8

Total Thread Count

12

-

Bus Frequency

100 MHz

43x

Multiplier

29x

64 K per core

L1 Cache

64 K per core

256 K per core

L2 Cache

256 K per core

8 MB shared

L3 Cache

12 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

42.7 GB/s

Max Memory Bandwidth

41.6 GB/s

No

ECC Memory Support

No

Miscellaneous

Intel Core i7 7740X

Official Website

Intel Core i5 10400F

3.0

PCIe Version

3.0

16

PCIe Lanes

16

SSE4.1, SSE4.2, AVX-2

Extended Instruction Set

-

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