Intel Core Ultra 7 255HX vs Apple M1

VS

Intel Core Ultra 7 255HX

Apple M1

We compared two laptop CPUs: Intel Core Ultra 7 255HX with 20 cores 2.4GHz and Apple M1 with 8 cores 2.1GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Intel Core Ultra 7 255HX 's Advantages

Released 4 years and 2 months late

Higher specification of memory (6400 vs 4266)

Larger memory bandwidth (102.4GB/s vs 68.25GB/s)

Newer PCIe version (5 vs 4.0)

Higher base frequency (2.4GHz vs 2.1GHz)

More modern manufacturing process (3nm vs 5nm)

Apple M1 's Advantages

Lower TDP (14W vs 55W)

Score

Intel Core Ultra 7 255HX

VS

Apple M1

General Parameters

Jan 2025

Release Date

Nov 2020

Intel

Manufacturer

Apple

Laptop

Type

Laptop

-

Instruction Set

ARMv8

Arrow Lake

Core Architecture

Icestorm and Firestorm

Intel Socket 1851

Socket

Apple M-Socket

Arc Xe-LPG

Integrated Graphics

Apple M1 GPU

Ultra 7 (Arrow Lake)

Generation

-

Package

-

Transistor Count

16 billions

3 nm

Manufacturing Process

5 nm

17-55 W

Power Consumption

14 W

100 °C

Peak Operating Temperature

-

Intel

Foundry

-

CPU Performance

8

Performance Cores

8

Performance Core Threads

8

2.4 GHz

Performance Core Base Frequency

2.1 GHz

5.2 GHz

Performance Core Turbo Frequency

3.2 GHz

12

Efficiency Cores

-

12

Efficiency Core Threads

-

1.8 GHz

Efficiency Core Base Frequency

-

4.5 GHz

Efficiency Core Turbo Frequency

-

20

Total Core Count

8

20

Total Thread Count

8

100 MHz

Bus Frequency

-

24

Multiplier

-

112 KB per core

L1 Cache

192 K per core

23 MB

L2 Cache

12 MB shared

24 MB shared

L3 Cache

-

No

Unlocked Multiplier

No

1

SMP

-

Memory Parameters

DDR5-6400

Memory Types

LPDDR4X-4266

256 GB

Max Memory Size

16 GB

2

Max Memory Channels

2

102.4 GB/s

Max Memory Bandwidth

68.25 GB/s

Yes

ECC Memory Support

No

Graphics Card Parameters

true

Integrated Graphics

true

-

GPU Base Frequency

450 MHz

1900 MHz

GPU Max Dynamic Frequency

1278 MHz

-

Shader Units

1024

-

Texture Units

64

-

Raster Operation Units

32

64

Execution Units

128

-

Power Consumption

15 W

-

Max Resolution

6016x3384 - 60 Hz

-

Graphics Performance

2.6 TFLOPS

Miscellaneous

Official Website

-

5

PCIe Version

4.0

PCIe Lanes

-

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