Intel Core i9 9940X vs Intel Core i7 14700T

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Intel Core i9 9940X

Intel Core i7 14700T

We compared two desktop CPUs: Intel Core i9 9940X with 14 cores 3.3GHz and Intel Core i7 14700T with 20 cores 1.3GHz . 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

Higher base frequency (3.3GHz vs 1.3GHz)

Intel Core i7 14700T 's Advantages

Released 5 years and 3 months late

Higher specification of memory (5600 vs 2666)

Larger memory bandwidth (89.6GB/s vs 85GB/s)

Newer PCIe version (5 vs 3.0)

Larger L3 cache size (33MB vs 20MB)

More modern manufacturing process (10nm vs 14nm)

Lower TDP (35W vs 165W)

Score

Benchmark

Geekbench 6 Single Core

Intel Core i9 9940X

1328

Intel Core i7 14700T +100%

2667

Geekbench 6 Multi Core

Intel Core i9 9940X

9787

Intel Core i7 14700T +82%

17830

Intel Core i9 9940X

VS

Intel Core i7 14700T

General Parameters

Oct 2018

Release Date

Jan 2024

Intel

Manufacturer

Intel

Desktop

Type

Desktop

x86-64

Instruction Set

-

Skylake

Core Architecture

Raptor Lake-R

i9-9940X

Processor Number

-

LGA-2066

Socket

Intel Socket 1700

N/A

Integrated Graphics

UHD Graphics 770

-

Generation

Core i7 (Raptor Lake Refresh)

Package

14 nm

Manufacturing Process

10 nm

165 W

Power Consumption

35 W

88 °C

Peak Operating Temperature

-

Foundry

Intel

-

Die Size

257 mm²

CPU Performance

14

Performance Cores

8

28

Performance Core Threads

16

3.3 GHz

Performance Core Base Frequency

1.3 GHz

4.4 GHz

Performance Core Turbo Frequency

5.2 GHz

-

Efficiency Cores

12

-

Efficiency Core Threads

12

-

Efficiency Core Base Frequency

900 MHz

-

Efficiency Core Turbo Frequency

3.7 GHz

14

Total Core Count

20

28

Total Thread Count

28

100 MHz

Bus Frequency

100 MHz

33x

Multiplier

13.0

64 K per core

L1 Cache

80 KB per core

1 MB per core

L2 Cache

2 MB per core

20 MB shared

L3 Cache

33 MB shared

Yes

Unlocked Multiplier

No

-

SMP

1

Memory Parameters

DDR4-2666

Memory Types

DDR4-3200, DDR5-5600

128 GB

Max Memory Size

-

4

Max Memory Channels

2

85 GB/s

Max Memory Bandwidth

89.6 GB/s

No

ECC Memory Support

Yes

Miscellaneous

Intel Core i9 9940X

Official Website

Intel Core i7 14700T

3.0

PCIe Version

5

44

PCIe Lanes

16

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

Extended Instruction Set

-

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