Intel Core i5 6400 vs Intel Core Ultra 7 265F

VS

Intel Core i5 6400

Intel Core Ultra 7 265F

We compared two desktop CPUs: Intel Core i5 6400 with 4 cores 2.7GHz and Intel Core Ultra 7 265F with 20 cores 1.5GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Intel Core i5 6400 's Advantages

Integrated graphics card

Higher base frequency (2.7GHz vs 1.5GHz)

Intel Core Ultra 7 265F 's Advantages

Released 9 years and 3 months late

Higher specification of memory (6400 vs 2133)

Larger memory bandwidth (102.4GB/s vs 34.1GB/s)

Newer PCIe version (5 vs 3.0)

Larger L3 cache size (24MB vs 6MB)

More modern manufacturing process (3nm vs 14nm)

Score

Intel Core i5 6400

VS

Intel Core Ultra 7 265F

General Parameters

Sep 2015

Release Date

Dec 2024

Intel

Manufacturer

Intel

Desktop

Type

Desktop

x86-64

Instruction Set

-

Skylake

Core Architecture

Arrow Lake-S

i5-6400

Processor Number

-

LGA-1151

Socket

Intel Socket 1851

HD Graphics 530

Integrated Graphics

-

Generation

Ultra 7 (Arrow Lake-S)

Package

14 nm

Manufacturing Process

3 nm

65 W

Power Consumption

65 W

-

Peak Operating Temperature

100 °C

-

Foundry

Intel

CPU Performance

4

Performance Cores

8

4

Performance Core Threads

8

2.7 GHz

Performance Core Base Frequency

1.5 GHz

3.3 GHz

Performance Core Turbo Frequency

5.3 GHz

-

Efficiency Cores

12

-

Efficiency Core Threads

12

-

Efficiency Core Base Frequency

1.2 GHz

-

Efficiency Core Turbo Frequency

4.5 GHz

4

Total Core Count

20

4

Total Thread Count

20

100 MHz

Bus Frequency

100 MHz

27x

Multiplier

15

64 K per core

L1 Cache

112 KB per core

256 K per core

L2 Cache

23 MB

6 MB shared

L3 Cache

24 MB shared

No

Unlocked Multiplier

No

-

SMP

1

Memory Parameters

DDR4-2133, DDR3L-1600

Memory Types

DDR5-6400

64 GB

Max Memory Size

256 GB

2

Max Memory Channels

2

34.1 GB/s

Max Memory Bandwidth

102.4 GB/s

No

ECC Memory Support

Yes

Graphics Card Parameters

true

Integrated Graphics

-

950 MHz

GPU Max Dynamic Frequency

-

Miscellaneous

Intel Core i5 6400

Official Website

3.0

PCIe Version

5

16

PCIe Lanes

SSE4.1, SSE4.2, AVX-2

Extended Instruction Set

-

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