Intel Core i7 7740X vs Intel Core i9 9920X

VS

Intel Core i7 7740X

Intel Core i9 9920X

We compared two desktop CPUs: Intel Core i7 7740X with 4 cores 4.3GHz and Intel Core i9 9920X with 12 cores 3.5GHz . 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 3.5GHz)

Lower TDP (112W vs 165W)

Intel Core i9 9920X 's Advantages

Released 1 years and 5 months late

Larger memory bandwidth (85GB/s vs 42.7GB/s)

Larger L3 cache size (19MB vs 8MB)

Score

Benchmark

Geekbench 6 Single Core

Intel Core i7 7740X +11%

1553

Intel Core i9 9920X

1389

Geekbench 6 Multi Core

Intel Core i7 7740X +82%

5516

Intel Core i9 9920X

3027

Geekbench 5 Single Core

Intel Core i7 7740X +10%

1291

Intel Core i9 9920X

1171

Geekbench 5 Multi Core

Intel Core i7 7740X

5001

Intel Core i9 9920X +149%

12494

Passmark CPU Single Core

Intel Core i7 7740X +5%

2759

Intel Core i9 9920X

2608

Passmark CPU Multi Core

Intel Core i7 7740X

9824

Intel Core i9 9920X +155%

25060

Intel Core i7 7740X

VS

Intel Core i9 9920X

General Parameters

May 2017

Release Date

Oct 2018

Intel

Manufacturer

Intel

Desktop

Type

Desktop

x86-64

Instruction Set

x86-64

Kaby Lake

Core Architecture

Skylake

i7-7740X

Processor Number

i9-9920X

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

92 °C

CPU Performance

4

Performance Cores

12

8

Performance Core Threads

24

4.3 GHz

Performance Core Base Frequency

3.5 GHz

4.5 GHz

Performance Core Turbo Frequency

4.4 GHz

4

Total Core Count

12

8

Total Thread Count

24

-

Bus Frequency

100 MHz

43x

Multiplier

35x

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

19 MB shared

Yes

Unlocked Multiplier

Yes

Memory Parameters

DDR4-2666

Memory Types

DDR4-2666

64 GB

Max Memory Size

128 GB

2

Max Memory Channels

4

42.7 GB/s

Max Memory Bandwidth

85 GB/s

No

ECC Memory Support

No

Miscellaneous

Intel Core i7 7740X

Official Website

Intel Core i9 9920X

3.0

PCIe Version

3.0

16

PCIe Lanes

44

SSE4.1, SSE4.2, AVX-2

Extended Instruction Set

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

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