Intel Core i9 9940X vs Intel Core i7 12700E

VS

Intel Core i9 9940X

Intel Core i7 12700E

We compared two desktop CPUs: Intel Core i9 9940X with 14 cores 3.3GHz and Intel Core i7 12700E with 12 cores 2.1GHz . 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 76.8GB/s)

Higher base frequency (3.3GHz vs 2.1GHz)

Intel Core i7 12700E 's Advantages

Released 3 years and 3 months late

Integrated graphics card

Higher specification of memory (4800 vs 2666)

Newer PCIe version (5 vs 3.0)

Larger L3 cache size (25MB vs 20MB)

More modern manufacturing process (10nm vs 14nm)

Lower TDP (65W vs 165W)

Score

Benchmark

Geekbench 6 Single Core

Intel Core i9 9940X

1328

Intel Core i7 12700E +36%

1812

Geekbench 6 Multi Core

Intel Core i9 9940X

9787

Intel Core i7 12700E +3%

10177

Intel Core i9 9940X

VS

Intel Core i7 12700E

General Parameters

Oct 2018

Release Date

Jan 2022

Intel

Manufacturer

Intel

Desktop

Type

Desktop

x86-64

Instruction Set

-

Skylake

Core Architecture

Alder Lake-S

i9-9940X

Processor Number

-

LGA-2066

Socket

Intel Socket 1700

N/A

Integrated Graphics

UHD Graphics 770

-

Generation

Core i7 (Alder Lake-S)

Package

14 nm

Manufacturing Process

10 nm

165 W

Power Consumption

65 W

88 °C

Peak Operating Temperature

-

Foundry

Intel

-

Die Size

215 mm²

CPU Performance

14

Performance Cores

8

28

Performance Core Threads

16

3.3 GHz

Performance Core Base Frequency

2.1 GHz

4.4 GHz

Performance Core Turbo Frequency

4.8 GHz

-

Efficiency Cores

4

-

Efficiency Core Threads

4

-

Efficiency Core Base Frequency

1.6 GHz

-

Efficiency Core Turbo Frequency

3.6 GHz

14

Total Core Count

12

28

Total Thread Count

20

100 MHz

Bus Frequency

100 MHz

33x

Multiplier

21

64 K per core

L1 Cache

80 KB per core

1 MB per core

L2 Cache

12 MB

20 MB shared

L3 Cache

25 MB

Yes

Unlocked Multiplier

No

-

SMP

1

Memory Parameters

DDR4-2666

Memory Types

DDR4-3200, DDR5-4800

128 GB

Max Memory Size

128 GB

4

Max Memory Channels

2

85 GB/s

Max Memory Bandwidth

76.8 GB/s

No

ECC Memory Support

Yes

Graphics Card Parameters

-

Integrated Graphics

true

-

GPU Base Frequency

300 MHz

-

GPU Max Dynamic Frequency

1500 MHz

-

Execution Units

32

Miscellaneous

Intel Core i9 9940X

Official Website

Intel Core i7 12700E

3.0

PCIe Version

5

44

PCIe Lanes

20

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

Extended Instruction Set

-

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