Intel Core Ultra 5 245KF vs Intel Core i7 7740X

VS

Intel Core Ultra 5 245KF

Intel Core i7 7740X

We compared two desktop CPUs: Intel Core Ultra 5 245KF with 14 cores 4.2GHz and Intel Core i7 7740X with 4 cores 4.3GHz . 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 7 years and 5 months late

Higher specification of memory (6400 vs 2666)

Larger memory bandwidth (102.4GB/s vs 42.7GB/s)

Newer PCIe version (5.0 vs 3.0)

Larger L3 cache size (24MB vs 8MB)

More modern manufacturing process (3nm vs 14nm)

Intel Core i7 7740X 's Advantages

Higher base frequency (4.3GHz vs 4.2GHz)

Lower TDP (112W vs 125W)

Score

Benchmark

Geekbench 6 Single Core

Intel Core Ultra 5 245KF +107%

3225

Intel Core i7 7740X

1553

Geekbench 6 Multi Core

Intel Core Ultra 5 245KF +268%

20321

Intel Core i7 7740X

5516

Intel Core Ultra 5 245KF

VS

Intel Core i7 7740X

General Parameters

Oct 2024

Release Date

May 2017

Intel

Manufacturer

Intel

Desktop

Type

Desktop

x86-64

Instruction Set

x86-64

Arrow Lake

Core Architecture

Kaby Lake

245KF

Processor Number

i7-7740X

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

112 W

159 W

Max Turbo Power Consumption

-

105 °C

Peak Operating Temperature

100 °C

TSMC

Foundry

-

CPU Performance

6

Performance Cores

4

6

Performance Core Threads

8

4.2 GHz

Performance Core Base Frequency

4.3 GHz

5.2 GHz

Performance Core Turbo Frequency

4.5 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

4

14

Total Thread Count

8

100 MHz

Bus Frequency

-

42

Multiplier

43x

112 K per core

L1 Cache

64 K per core

3 MB per core

L2 Cache

256 K per core

24 MB shared

L3 Cache

8 MB shared

Yes

Unlocked Multiplier

Yes

1

SMP

-

Memory Parameters

DDR5-6400

Memory Types

DDR4-2666

192 GB

Max Memory Size

64 GB

2

Max Memory Channels

2

102.4 GB/s

Max Memory Bandwidth

42.7 GB/s

Yes

ECC Memory Support

No

Miscellaneous

Intel Core Ultra 5 245KF

Official Website

Intel Core i7 7740X

5.0

PCIe Version

3.0

24

PCIe Lanes

16

-

Extended Instruction Set

SSE4.1, SSE4.2, AVX-2

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