Intel Core i9 9940X vs Intel Core i7 11700KF

VS

Intel Core i9 9940X Intel Core i7 11700KF

We compared two desktop CPUs: Intel Core i9 9940X with 14 cores 3.3GHz and Intel Core i7 11700KF with 8 cores 3.6GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Intel Core i9 9940X 's Advantages

Larger memory bandwidth (85GB/s vs 50GB/s)

Larger L3 cache size (20MB vs 16MB)

Intel Core i7 11700KF 's Advantages

Released 2 years and 5 months late

Higher specification of memory (DDR4-3200 vs DDR4-2666)

Newer PCIe version (4.0 vs 3.0)

Higher base frequency (3.6GHz vs 3.3GHz)

Lower TDP (125W vs 165W)

Score

Benchmark

Cinebench R23 Single Core

Intel Core i9 9940X

1228

Intel Core i7 11700KF +29%

1595

Cinebench R23 Multi Core

Intel Core i9 9940X +2%

15351

Intel Core i7 11700KF

15011

Geekbench 6 Single Core

Intel Core i9 9940X

1328

Intel Core i7 11700KF +75%

2334

Geekbench 6 Multi Core

Intel Core i9 9940X

9787

Intel Core i7 11700KF +9%

10758

Geekbench 5 Single Core

Intel Core i9 9940X

1189

Intel Core i7 11700KF +43%

1709

Geekbench 5 Multi Core

Intel Core i9 9940X +44%

14374

Intel Core i7 11700KF

9915

Passmark CPU Single Core

Intel Core i9 9940X

2608

Intel Core i7 11700KF +29%

3390

Passmark CPU Multi Core

Intel Core i9 9940X +17%

28355

Intel Core i7 11700KF

24052

Intel Core i9 9940X

VS

Intel Core i7 11700KF

General Parameters

Oct 2018

Release Date

Mar 2021

Intel

Manufacturer

Intel

Desktop

Type

Desktop

x86-64

Instruction Set

x86-64

Skylake

Core Architecture

Rocket Lake

i9-9940X

Processor Number

i7-11700KF

LGA-2066

Socket

LGA-1200

N/A

Integrated Graphics

No

Package

14 nm

Manufacturing Process

14 nm

LGA-2066

Socket

LGA-1200

165 W

Power Consumption

125 W

88 °C

Peak Operating Temperature

100°C

CPU Performance

14

Performance Cores

8

28

Performance Core Threads

16

3.3 GHz

Performance Core Base Frequency

3.6 GHz

4.4 GHz

Performance Core Turbo Frequency

5 GHz

14

Total Core Count

8

28

Total Thread Count

16

100 MHz

Bus Frequency

100 MHz

33x

Multiplier

36x

64 K per core

L1 Cache

64 K per core

1 MB per core

L2 Cache

512 K per core

20 MB shared

L3 Cache

16 MB shared

Yes

Unlocked Multiplier

Yes

Memory Parameters

DDR4-2666

Memory Types

DDR4-3200

128 GB

Max Memory Size

128 GB

4

Max Memory Channels

2

85 GB/s

Max Memory Bandwidth

50 GB/s

No

ECC Memory Support

No

Miscellaneous

Intel Core i9 9940X

Official Website

Intel Core i7 11700KF

3.0

PCIe Version

4.0

44

PCIe Lanes

20

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

Extended Instruction Set

-

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