Intel Core i7 7740X vs Intel Core i5 7640X

VS

Intel Core i7 7740X

Intel Core i5 7640X

We compared two desktop CPUs: Intel Core i7 7740X with 4 cores 4.3GHz and Intel Core i5 7640X with 4 cores 4.0GHz . 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

Higher base frequency (4.3GHz vs 4.0GHz)

Larger L3 cache size (8MB vs 6MB)

Score

Benchmark

Geekbench 6 Single Core

Intel Core i7 7740X +9%

1553

Intel Core i5 7640X

1419

Geekbench 6 Multi Core

Intel Core i7 7740X +48%

5516

Intel Core i5 7640X

3726

Geekbench 5 Single Core

Intel Core i7 7740X +4%

1291

Intel Core i5 7640X

1237

Geekbench 5 Multi Core

Intel Core i7 7740X +18%

5001

Intel Core i5 7640X

4230

Passmark CPU Single Core

Intel Core i7 7740X +10%

2759

Intel Core i5 7640X

2505

Passmark CPU Multi Core

Intel Core i7 7740X +45%

9824

Intel Core i5 7640X

6735

Intel Core i7 7740X

VS

Intel Core i5 7640X

General Parameters

May 2017

Release Date

May 2017

Intel

Manufacturer

Intel

Desktop

Type

Desktop

x86-64

Instruction Set

x86-64

Kaby Lake

Core Architecture

Kaby Lake

i7-7740X

Processor Number

i5-7640X

LGA-2066

Socket

LGA-2066

N/A

Integrated Graphics

N/A

Package

14 nm

Manufacturing Process

14 nm

112 W

Power Consumption

112 W

100 °C

Peak Operating Temperature

100 °C

CPU Performance

4

Performance Cores

4

8

Performance Core Threads

4

4.3 GHz

Performance Core Base Frequency

4.0 GHz

4.5 GHz

Performance Core Turbo Frequency

4.2 GHz

4

Total Core Count

4

8

Total Thread Count

4

43x

Multiplier

39x

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

6 MB shared

Yes

Unlocked Multiplier

Yes

Memory Parameters

DDR4-2666

Memory Types

DDR4-2666

64 GB

Max Memory Size

64 GB

2

Max Memory Channels

2

42.7 GB/s

Max Memory Bandwidth

42.7 GB/s

No

ECC Memory Support

No

Miscellaneous

Intel Core i7 7740X

Official Website

Intel Core i5 7640X

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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