Intel Core Ultra 7 265KF vs Intel Core i7 7800X

VS

Intel Core Ultra 7 265KF

Intel Core i7 7800X

We compared two desktop CPUs: Intel Core Ultra 7 265KF with 20 cores 3.9GHz and Intel Core i7 7800X with 6 cores 3.5GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Intel Core Ultra 7 265KF 's Advantages

Released 7 years and 5 months late

Higher specification of memory (6400 vs 2400)

Larger memory bandwidth (102.4GB/s vs 79.47GB/s)

Newer PCIe version (5.0 vs 3.0)

Higher base frequency (3.9GHz vs 3.5GHz)

Larger L3 cache size (30MB vs 8MB)

More modern manufacturing process (3nm vs 14nm)

Lower TDP (125W vs 140W)

Score

Benchmark

Cinebench R23 Single Core

Intel Core Ultra 7 265KF +139%

2308

Intel Core i7 7800X

963

Cinebench R23 Multi Core

Intel Core Ultra 7 265KF +412%

37273

Intel Core i7 7800X

7269

Geekbench 6 Single Core

Intel Core Ultra 7 265KF +135%

3208

Intel Core i7 7800X

1362

Geekbench 6 Multi Core

Intel Core Ultra 7 265KF +258%

21797

Intel Core i7 7800X

6082

Intel Core Ultra 7 265KF

VS

Intel Core i7 7800X

General Parameters

Oct 2024

Release Date

May 2017

Intel

Manufacturer

Intel

Desktop

Type

Desktop

x86-64

Instruction Set

x86-64

Arrow Lake

Core Architecture

Skylake

265KF

Processor Number

i7-7800X

FCLGA-1851

Socket

LGA-2066

No

Integrated Graphics

N/A

Ultra 7(Arrow Lake)

Generation

-

Package

3 nm

Manufacturing Process

14 nm

125 W

Power Consumption

140 W

250 W

Max Turbo Power Consumption

-

105 °C

Peak Operating Temperature

100 °C

TSMC

Foundry

-

CPU Performance

8

Performance Cores

6

8

Performance Core Threads

12

3.9 GHz

Performance Core Base Frequency

3.5 GHz

5.4 GHz

Performance Core Turbo Frequency

4 GHz

12

Efficiency Cores

-

12

Efficiency Core Threads

-

3.3 GHz

Efficiency Core Base Frequency

-

4.6 GHz

Efficiency Core Turbo Frequency

-

20

Total Core Count

6

20

Total Thread Count

12

100 MHz

Bus Frequency

100 MHz

39

Multiplier

35x

112 K per core

L1 Cache

64 K per core

3 MB per core

L2 Cache

1 MB per core

30 MB shared

L3 Cache

8 MB shared

Yes

Unlocked Multiplier

Yes

1

SMP

-

Memory Parameters

DDR5-6400

Memory Types

DDR4-2400

192 GB

Max Memory Size

128 GB

2

Max Memory Channels

4

102.4 GB/s

Max Memory Bandwidth

79.47 GB/s

Yes

ECC Memory Support

No

Miscellaneous

Intel Core Ultra 7 265KF

Official Website

Intel Core i7 7800X

5.0

PCIe Version

3.0

24

PCIe Lanes

28

-

Extended Instruction Set

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

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