Home Comparison Intel Core Ultra 7 255HX vs Intel Core Ultra 7 155U

Intel Core Ultra 7 255HX vs Intel Core Ultra 7 155U

Intel Core Ultra 7 255HX
VS
Intel Core Ultra 7 155U
Intel Core Ultra 7 255HX
Intel Core Ultra 7 155U
We compared two laptop CPUs: Intel Core Ultra 7 255HX with 20 cores 2.4GHz and Intel Core Ultra 7 155U with 12 cores 1.7GHz . 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
Released 1 years and 1 months late
Newer PCIe version (5 vs 4.0)
Higher base frequency (2.4GHz vs 1.7GHz)
Larger L3 cache size (24MB vs 12MB)
More modern manufacturing process (3nm vs 7nm)
Lower TDP (55W vs 57W)
Intel Core Ultra 7 155U 's Advantages
Higher specification of memory (7467 vs 6400)
Larger memory bandwidth (120GB/s vs 102.4GB/s)

Score

Intel Core Ultra 7 255HX
VS
Intel Core Ultra 7 155U

General Parameters

Jan 2025
Release Date
Dec 2023
Intel
Manufacturer
Intel
Laptop
Type
Laptop
-
Instruction Set
x86-64
Arrow Lake
Core Architecture
Meteor Lake
-
Processor Number
155U
Intel Socket 1851
Socket
FCBGA-2049
Arc Xe-LPG
Integrated Graphics
Arc Graphics (4-Cores)
Ultra 7 (Arrow Lake)
Generation
-

Package

3 nm
Manufacturing Process
7 nm
17-55 W
Power Consumption
12-57 W
100 °C
Peak Operating Temperature
110°C
Intel
Foundry
-

CPU Performance

8
Performance Cores
2
8
Performance Core Threads
4
2.4 GHz
Performance Core Base Frequency
1.7 GHz
5.2 GHz
Performance Core Turbo Frequency
4.8 GHz
12
Efficiency Cores
10
12
Efficiency Core Threads
10
1.8 GHz
Efficiency Core Base Frequency
1.2 GHz
4.5 GHz
Efficiency Core Turbo Frequency
3.8 GHz
20
Total Core Count
12
20
Total Thread Count
14
100 MHz
Bus Frequency
100 MHz
24
Multiplier
17x
112 KB per core
L1 Cache
112 K per core
23 MB
L2 Cache
2 MB per core
24 MB shared
L3 Cache
12 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
96 GB
2
Max Memory Channels
2
102.4 GB/s
Max Memory Bandwidth
120 GB/s
Yes
ECC Memory Support
No

Graphics Card Parameters

true
Integrated Graphics
true
1900 MHz
GPU Max Dynamic Frequency
1950 MHz
-
Shader Units
64
-
Texture Units
4
-
Raster Operation Units
2
64
Execution Units
4
-
Max Resolution
7680x4320 - 60 Hz
-
Graphics Performance
2.24 TFLOPS

Miscellaneous

Official Website
Intel Core Ultra 7 155U
5
PCIe Version
4.0
PCIe Lanes
20

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