Intel Core Ultra 5 245KF vs Intel Core i9 9940X

VS

Intel Core Ultra 5 245KF

Intel Core i9 9940X

We compared two desktop CPUs: Intel Core Ultra 5 245KF with 14 cores 4.2GHz and Intel Core i9 9940X 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 Ultra 5 245KF 's Advantages

Released 6 years late

Higher specification of memory (6400 vs 2666)

Larger memory bandwidth (102.4GB/s vs 85GB/s)

Newer PCIe version (5.0 vs 3.0)

Higher base frequency (4.2GHz vs 3.3GHz)

Larger L3 cache size (24MB vs 20MB)

More modern manufacturing process (3nm vs 14nm)

Lower TDP (125W vs 165W)

Score

Benchmark

Cinebench R23 Single Core

Intel Core Ultra 5 245KF +72%

2124

Intel Core i9 9940X

1228

Cinebench R23 Multi Core

Intel Core Ultra 5 245KF +66%

25575

Intel Core i9 9940X

15351

Geekbench 6 Single Core

Intel Core Ultra 5 245KF +142%

3225

Intel Core i9 9940X

1328

Geekbench 6 Multi Core

Intel Core Ultra 5 245KF +107%

20321

Intel Core i9 9940X

9787

Intel Core Ultra 5 245KF

VS

Intel Core i9 9940X

General Parameters

Oct 2024

Release Date

Oct 2018

Intel

Manufacturer

Intel

Desktop

Type

Desktop

x86-64

Instruction Set

x86-64

Arrow Lake

Core Architecture

Skylake

245KF

Processor Number

i9-9940X

FCLGA-1851

Socket

LGA-2066

No

Integrated Graphics

N/A

Ultra 5(Arrow Lake)

Generation

-

Package

3 nm

Manufacturing Process

14 nm

125 W

Power Consumption

165 W

159 W

Max Turbo Power Consumption

-

105 °C

Peak Operating Temperature

88 °C

TSMC

Foundry

-

CPU Performance

6

Performance Cores

14

6

Performance Core Threads

28

4.2 GHz

Performance Core Base Frequency

3.3 GHz

5.2 GHz

Performance Core Turbo Frequency

4.4 GHz

8

Efficiency Cores

-

8

Efficiency Core Threads

-

3.6 GHz

Efficiency Core Base Frequency

-

4.6 GHz

Efficiency Core Turbo Frequency

-

14

Total Core Count

14

Total Thread Count

28

100 MHz

Bus Frequency

100 MHz

42

Multiplier

33x

112 K per core

L1 Cache

64 K per core

3 MB per core

L2 Cache

1 MB per core

24 MB shared

L3 Cache

20 MB shared

Yes

Unlocked Multiplier

Yes

1

SMP

-

Memory Parameters

DDR5-6400

Memory Types

DDR4-2666

192 GB

Max Memory Size

128 GB

2

Max Memory Channels

4

102.4 GB/s

Max Memory Bandwidth

85 GB/s

Yes

ECC Memory Support

No

Miscellaneous

Intel Core Ultra 5 245KF

Official Website

Intel Core i9 9940X

5.0

PCIe Version

3.0

24

PCIe Lanes

44

-

Extended Instruction Set

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

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