Intel Core Ultra 7 255HX vs Intel Core i7 12850HX

VS

Intel Core Ultra 7 255HX

Intel Core i7 12850HX

We compared two laptop CPUs: Intel Core Ultra 7 255HX with 20 cores 2.4GHz and Intel Core i7 12850HX with 16 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 2 years and 8 months late

Higher specification of memory (6400 vs 4800)

Larger memory bandwidth (102.4GB/s vs 76.8GB/s)

Higher base frequency (2.4GHz vs 2.1GHz)

More modern manufacturing process (3nm vs 10nm)

Intel Core i7 12850HX 's Advantages

Newer PCIe version (5.0 vs 5)

Larger L3 cache size (25MB vs 24MB)

Score

Intel Core Ultra 7 255HX

VS

Intel Core i7 12850HX

General Parameters

Jan 2025

Release Date

May 2022

Intel

Manufacturer

Intel

Laptop

Type

Laptop

-

Instruction Set

x86-64

Arrow Lake

Core Architecture

Alder Lake-HX

-

Processor Number

i7-12850HX

Intel Socket 1851

Socket

BGA-1744

Arc Xe-LPG

Integrated Graphics

UHD Graphics (32EU)

Ultra 7 (Arrow Lake)

Generation

-

Package

3 nm

Manufacturing Process

10 nm

17-55 W

Power Consumption

45-55 W

100 °C

Peak Operating Temperature

100 °C

Intel

Foundry

-

CPU Performance

8

Performance Cores

8

Performance Core Threads

-

2.4 GHz

Performance Core Base Frequency

2.1 GHz

5.2 GHz

Performance Core Turbo Frequency

4.8 GHz

12

Efficiency Cores

8

12

Efficiency Core Threads

-

1.8 GHz

Efficiency Core Base Frequency

-

4.5 GHz

Efficiency Core Turbo Frequency

-

20

Total Core Count

16

20

Total Thread Count

24

100 MHz

Bus Frequency

100 MHz

24

Multiplier

21x

112 KB per core

L1 Cache

80 K per core

23 MB

L2 Cache

1280 K per core

24 MB shared

L3 Cache

25 MB shared

No

Unlocked Multiplier

Yes

1

SMP

-

Memory Parameters

DDR5-6400

Memory Types

DDR5-4800, DDR4-3200

256 GB

Max Memory Size

128 GB

2

Max Memory Channels

2

102.4 GB/s

Max Memory Bandwidth

76.8 GB/s

Yes

ECC Memory Support

Yes

Graphics Card Parameters

true

Integrated Graphics

true

-

GPU Base Frequency

300 MHz

1900 MHz

GPU Max Dynamic Frequency

1450 MHz

-

Shader Units

256

-

Texture Units

16

-

Raster Operation Units

8

64

Execution Units

32

-

Power Consumption

45 W

-

Graphics Performance

0.74 TFLOPS

Miscellaneous

Official Website

Intel Core i7 12850HX

5

PCIe Version

5.0

PCIe Lanes

20

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