Home Comparison Intel Core Ultra 7 255HX vs Intel Core Ultra 9 285H

Intel Core Ultra 7 255HX vs Intel Core Ultra 9 285H

Intel Core Ultra 7 255HX
VS
Intel Core Ultra 9 285H
Intel Core Ultra 7 255HX
Intel Core Ultra 9 285H
We compared two laptop CPUs: Intel Core Ultra 7 255HX with 20 cores 2.4GHz and Intel Core Ultra 9 285H with 16 cores 3.7GHz . 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
More modern manufacturing process (3nm vs 5nm)
Lower TDP (55W vs 65W)
Intel Core Ultra 9 285H 's Advantages
Higher specification of memory (7467 vs 6400)
Newer PCIe version (5.0 vs 5)
Higher base frequency (3.7GHz vs 2.4GHz)

Score

Intel Core Ultra 7 255HX
VS
Intel Core Ultra 9 285H

General Parameters

Jan 2025
Release Date
Dec 2024
Intel
Manufacturer
Intel
Laptop
Type
Laptop
-
Instruction Set
x86-64
Arrow Lake
Core Architecture
Arrow Lake
-
Processor Number
285H
Intel Socket 1851
Socket
FCLGA-1851
Arc Xe-LPG
Integrated Graphics
Arc Graphics
Ultra 7 (Arrow Lake)
Generation
-

Package

3 nm
Manufacturing Process
5 nm
17-55 W
Power Consumption
65 W
100 °C
Peak Operating Temperature
105 °C
Intel
Foundry
-

CPU Performance

8
Performance Cores
6
8
Performance Core Threads
6
2.4 GHz
Performance Core Base Frequency
3.7 GHz
5.2 GHz
Performance Core Turbo Frequency
5.4 GHz
12
Efficiency Cores
10
12
Efficiency Core Threads
10
1.8 GHz
Efficiency Core Base Frequency
0 GHz
4.5 GHz
Efficiency Core Turbo Frequency
4 GHz
20
Total Core Count
16
20
Total Thread Count
16
100 MHz
Bus Frequency
100 MHz
24
Multiplier
37
112 KB per core
L1 Cache
-
23 MB
L2 Cache
2 MB per core
24 MB shared
L3 Cache
24 MB shared
No
Unlocked Multiplier
No
1
SMP
-

Memory Parameters

DDR5-6400
Memory Types
LPDDR5-7467,LPDDR5x-7467,DDR5-5600
256 GB
Max Memory Size
192 GB
2
Max Memory Channels
2
102.4 GB/s
Max Memory Bandwidth
102.4 GB/s
Yes
ECC Memory Support
No

Graphics Card Parameters

true
Integrated Graphics
true
1900 MHz
GPU Max Dynamic Frequency
-
64
Execution Units
-

Miscellaneous

Official Website
-
5
PCIe Version
5.0
PCIe Lanes
28

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