Intel Core Ultra 7 155H vs Intel Core Ultra 7 255H
We compared two laptop CPUs: Intel Core Ultra 7 155H with 16 cores 1.4GHz and Intel Core Ultra 7 255H with 16 cores 2.0GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.
Main Differences
Intel Core Ultra 7 255H 's Advantages
Released 1 years and 1 months late
Higher specification of memory (8400 vs 7467)
Higher base frequency (2.0GHz vs 1.4GHz)
More modern manufacturing process (3nm vs 7nm)
Lower TDP (28W vs 65W)
Score
Benchmark
Cinebench R23 Single Core
Intel Core Ultra 7 155H
1796
Intel Core Ultra 7 255H
+12%
2029
Cinebench R23 Multi Core
Intel Core Ultra 7 155H
15052
Intel Core Ultra 7 255H
+36%
20521
Geekbench 6 Single Core
Intel Core Ultra 7 155H
2419
Intel Core Ultra 7 255H
+16%
2823
Geekbench 6 Multi Core
Intel Core Ultra 7 155H
12505
Intel Core Ultra 7 255H
+25%
15662
Cinebench 2024 Single Core
Intel Core Ultra 7 155H
100
Intel Core Ultra 7 255H
+15%
115
Cinebench 2024 Multi Core
Intel Core Ultra 7 155H
802
Intel Core Ultra 7 255H
+37%
1102
General Parameters
Dec 2023
Release Date
Jan 2025
Intel
Manufacturer
Intel
Laptop
Type
Laptop
x86-64
Instruction Set
x86-64
Meteor Lake
Core Architecture
Arrow Lake
155H
Processor Number
255H
FCBGA-2049
Socket
FCBGA-2049
Arc Graphics (8-Cores)
Integrated Graphics
Arc Graphics 140T
Ultra 7 (Meteor Lake)
Generation
-
Package
7 nm
Manufacturing Process
3 nm
20-65 W
Power Consumption
20-28 W
115 W
Max Turbo Power Consumption
115 W
110 °C
Peak Operating Temperature
110 °C
Intel
Foundry
-
CPU Performance
6
Performance Cores
6
12
Performance Core Threads
6
1.4 GHz
Performance Core Base Frequency
2.0 GHz
4.8 GHz
Performance Core Turbo Frequency
5.1 GHz
10
Efficiency Cores
10
10
Efficiency Core Threads
10
0.9 GHz
Efficiency Core Base Frequency
1.5 GHz
3.8 GHz
Efficiency Core Turbo Frequency
4.4 GHz
16
Total Core Count
16
22
Total Thread Count
16
100 MHz
Bus Frequency
100 MHz
14
Multiplier
20
112 K per core
L1 Cache
112 K per core
2 MB per core
L2 Cache
2 MB per core
24 MB shared
L3 Cache
24 MB shared
No
Unlocked Multiplier
No
1
SMP
-
Memory Parameters
LPDDR5-7467,LPDDR5x-7467,DDR5-5600
Memory Types
LPDDR5-8400,LPDDR5x-8400,DDR5-6400
96 GB
Max Memory Size
128 GB
2
Max Memory Channels
2
120 GB/s
Max Memory Bandwidth
-
No
ECC Memory Support
No
Graphics Card Parameters
true
Integrated Graphics
true
300 MHz
GPU Base Frequency
-
2250 MHz
GPU Max Dynamic Frequency
2250 MHz
1024
Shader Units
-
64
Texture Units
-
32
Raster Operation Units
-
128
Execution Units
-
28
Power Consumption
-
7680x4320 - 60 Hz
Max Resolution
-
4.6 TFLOPS
Graphics Performance
-
Miscellaneous
5.0
PCIe Version
5.0
28
PCIe Lanes
28
