Intel Core i9 7920X vs Intel Core Ultra 5 245KF

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Intel Core i9 7920X

Intel Core Ultra 5 245KF

We compared two desktop CPUs: Intel Core i9 7920X with 12 cores 2.9GHz and Intel Core Ultra 5 245KF with 14 cores 4.2GHz . 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 2 months 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 2.9GHz)

Larger L3 cache size (24MB vs 17MB)

More modern manufacturing process (3nm vs 14nm)

Lower TDP (125W vs 140W)

Score

Benchmark

Geekbench 6 Single Core

Intel Core i9 7920X

1053

Intel Core Ultra 5 245KF +206%

3225

Geekbench 6 Multi Core

Intel Core i9 7920X

4327

Intel Core Ultra 5 245KF +369%

20321

Intel Core i9 7920X

VS

Intel Core Ultra 5 245KF

General Parameters

Aug 2017

Release Date

Oct 2024

Intel

Manufacturer

Intel

Desktop

Type

Desktop

x86-64

Instruction Set

x86-64

Skylake

Core Architecture

Arrow Lake

i9-7920X

Processor Number

245KF

LGA-2066

Socket

FCLGA-1851

N/A

Integrated Graphics

No

-

Generation

Ultra 5(Arrow Lake)

Package

14 nm

Manufacturing Process

3 nm

140 W

Power Consumption

125 W

-

Max Turbo Power Consumption

159 W

95 °C

Peak Operating Temperature

105 °C

-

Foundry

TSMC

CPU Performance

12

Performance Cores

6

24

Performance Core Threads

6

2.9 GHz

Performance Core Base Frequency

4.2 GHz

4.3 GHz

Performance Core Turbo Frequency

5.2 GHz

-

Efficiency Cores

8

-

Efficiency Core Threads

8

-

Efficiency Core Base Frequency

3.6 GHz

-

Efficiency Core Turbo Frequency

4.6 GHz

12

Total Core Count

14

24

Total Thread Count

14

100 MHz

Bus Frequency

100 MHz

29x

Multiplier

42

64 K per core

L1 Cache

112 K per core

1 MB per core

L2 Cache

3 MB per core

17 MB shared

L3 Cache

24 MB shared

Yes

Unlocked Multiplier

Yes

-

SMP

1

Memory Parameters

DDR4-2666

Memory Types

DDR5-6400

128 GB

Max Memory Size

192 GB

4

Max Memory Channels

2

85 GB/s

Max Memory Bandwidth

102.4 GB/s

No

ECC Memory Support

Yes

Miscellaneous

Intel Core i9 7920X

Official Website

Intel Core Ultra 5 245KF

3.0

PCIe Version

5.0

44

PCIe Lanes

24

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

Extended Instruction Set

-

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