Intel Core i7 7740X vs Intel Core i9 10940X

VS

Intel Core i7 7740X

Intel Core i9 10940X

We compared two desktop CPUs: Intel Core i7 7740X with 4 cores 4.3GHz and Intel Core i9 10940X with 14 cores 3.3GHz . 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 3.3GHz)

Lower TDP (112W vs 165W)

Intel Core i9 10940X 's Advantages

Released 2 years and 5 months late

Higher specification of memory (2933 vs 2666)

Larger memory bandwidth (93.8GB/s vs 42.7GB/s)

Larger L3 cache size (20MB vs 8MB)

Score

Benchmark

Geekbench 6 Single Core

Intel Core i7 7740X +5%

1553

Intel Core i9 10940X

1471

Geekbench 6 Multi Core

Intel Core i7 7740X

5516

Intel Core i9 10940X +104%

11287

Geekbench 5 Single Core

Intel Core i7 7740X +12%

1291

Intel Core i9 10940X

1144

Geekbench 5 Multi Core

Intel Core i7 7740X

5001

Intel Core i9 10940X +171%

13573

Passmark CPU Single Core

Intel Core i7 7740X +2%

2759

Intel Core i9 10940X

2686

Passmark CPU Multi Core

Intel Core i7 7740X

9824

Intel Core i9 10940X +184%

27907

Intel Core i7 7740X

VS

Intel Core i9 10940X

General Parameters

May 2017

Release Date

Oct 2019

Intel

Manufacturer

Intel

Desktop

Type

Desktop

x86-64

Instruction Set

x86-64

Kaby Lake

Core Architecture

Cascade Lake

i7-7740X

Processor Number

i9-10940X

LGA-2066

Socket

LGA-2066

N/A

Integrated Graphics

N/A

Package

14 nm

Manufacturing Process

14 nm

112 W

Power Consumption

165 W

100 °C

Peak Operating Temperature

86 °C

CPU Performance

4

Performance Cores

14

8

Performance Core Threads

28

4.3 GHz

Performance Core Base Frequency

3.3 GHz

4.5 GHz

Performance Core Turbo Frequency

4.6 GHz

4

Total Core Count

14

8

Total Thread Count

28

-

Bus Frequency

100 MHz

43x

Multiplier

33x

64 K per core

L1 Cache

64 K per core

256 K per core

L2 Cache

1 MB per core

8 MB shared

L3 Cache

20 MB shared

Yes

Unlocked Multiplier

Yes

Memory Parameters

DDR4-2666

Memory Types

DDR4-2933

64 GB

Max Memory Size

256 GB

2

Max Memory Channels

4

42.7 GB/s

Max Memory Bandwidth

93.8 GB/s

No

ECC Memory Support

No

Miscellaneous

Intel Core i7 7740X

Official Website

Intel Core i9 10940X

3.0

PCIe Version

3.0

16

PCIe Lanes

48

SSE4.1, SSE4.2, AVX-2

Extended Instruction Set

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

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