Intel Core Ultra 7 255U vs Intel Core Ultra 7 155U
We compared two laptop CPUs: Intel Core Ultra 7 255U with 12 cores 2.0GHz 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 255U 's Advantages
Released 1 years and 1 months late
Higher specification of memory (8400 vs 7467)
Higher base frequency (2.0GHz vs 1.7GHz)
More modern manufacturing process (3nm vs 7nm)
Score
Benchmark
Cinebench R23 Single Core
Intel Core Ultra 7 255U
+4%
1803
Intel Core Ultra 7 155U
1730
Cinebench R23 Multi Core
Intel Core Ultra 7 255U
+20%
11888
Intel Core Ultra 7 155U
9875
Geekbench 6 Single Core
Intel Core Ultra 7 255U
+11%
2582
Intel Core Ultra 7 155U
2314
Geekbench 6 Multi Core
Intel Core Ultra 7 255U
+15%
10941
Intel Core Ultra 7 155U
9486
Cinebench 2024 Single Core
Intel Core Ultra 7 255U
101
Intel Core Ultra 7 155U
102
Cinebench 2024 Multi Core
Intel Core Ultra 7 255U
+7%
588
Intel Core Ultra 7 155U
549
General Parameters
Jan 2025
Release Date
Dec 2023
Intel
Manufacturer
Intel
Laptop
Type
Laptop
x86-64
Instruction Set
x86-64
Arrow Lake
Core Architecture
Meteor Lake
255U
Processor Number
155U
FCBGA-2049
Socket
FCBGA-2049
Arc Graphics (4-Cores)
Integrated Graphics
Arc Graphics (4-Cores)
Package
3 nm
Manufacturing Process
7 nm
12-15 W
Power Consumption
12-15 W
57 W
Max Turbo Power Consumption
57 W
110 °C
Peak Operating Temperature
110 °C
CPU Performance
2
Performance Cores
2
4
Performance Core Threads
4
2.0 GHz
Performance Core Base Frequency
1.7 GHz
5.2 GHz
Performance Core Turbo Frequency
4.8 GHz
10
Efficiency Cores
10
10
Efficiency Core Threads
10
1.7 GHz
Efficiency Core Base Frequency
1.2 GHz
4.2 GHz
Efficiency Core Turbo Frequency
3.8 GHz
12
Total Core Count
12
14
Total Thread Count
14
100 MHz
Bus Frequency
100 MHz
20
Multiplier
17
112 K per core
L1 Cache
112 K per core
2 MB per core
L2 Cache
2 MB per core
12 MB shared
L3 Cache
12 MB shared
No
Unlocked Multiplier
No
Memory Parameters
LPDDR5-8400,LPDDR5x-8400,DDR5-6400
Memory Types
LPDDR5-7467,LPDDR5x-7467,DDR5-5600
128 GB
Max Memory Size
96 GB
2
Max Memory Channels
2
-
Max Memory Bandwidth
120 GB/s
No
ECC Memory Support
No
Graphics Card Parameters
true
Integrated Graphics
true
-
GPU Base Frequency
300 MHz
2100 MHz
GPU Max Dynamic Frequency
1950 MHz
-
Shader Units
512
-
Texture Units
32
-
Raster Operation Units
16
-
Execution Units
64
-
Power Consumption
14
-
Max Resolution
7680x4320 - 60 Hz
-
Graphics Performance
2 TFLOPS
Miscellaneous
4.0
PCIe Version
4.0
20
PCIe Lanes
20
