Intel Core Ultra 7 255H vs Intel Core Ultra 5 125U
We compared two laptop CPUs: Intel Core Ultra 7 255H with 16 cores 2.0GHz and Intel Core Ultra 5 125U with 12 cores 1.3GHz . 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)
Newer PCIe version (5.0 vs 4.0)
Higher base frequency (2.0GHz vs 1.3GHz)
Larger L3 cache size (24MB vs 12MB)
More modern manufacturing process (3nm vs 7nm)
Lower TDP (28W vs 57W)
Score
Benchmark
Cinebench R23 Single Core
Intel Core Ultra 7 255H
+30%
2029
Intel Core Ultra 5 125U
1557
Cinebench R23 Multi Core
Intel Core Ultra 7 255H
+109%
20521
Intel Core Ultra 5 125U
9808
Geekbench 6 Single Core
Intel Core Ultra 7 255H
+33%
2823
Intel Core Ultra 5 125U
2111
Geekbench 6 Multi Core
Intel Core Ultra 7 255H
+71%
15662
Intel Core Ultra 5 125U
9131
Cinebench 2024 Single Core
Intel Core Ultra 7 255H
+27%
115
Intel Core Ultra 5 125U
90
Cinebench 2024 Multi Core
Intel Core Ultra 7 255H
+123%
1102
Intel Core Ultra 5 125U
493
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
255H
Processor Number
125U
FCBGA-2049
Socket
FCBGA-2049
Arc Graphics 140T
Integrated Graphics
Arc Graphics (4-Cores)
-
Generation
Ultra 5 (Meteor Lake)
Package
3 nm
Manufacturing Process
7 nm
20-28 W
Power Consumption
12-57 W
115 W
Max Turbo Power Consumption
-
110 °C
Peak Operating Temperature
110 °C
-
Foundry
Intel
CPU Performance
6
Performance Cores
2
6
Performance Core Threads
4
2.0 GHz
Performance Core Base Frequency
1.3 GHz
5.1 GHz
Performance Core Turbo Frequency
4.3 GHz
10
Efficiency Cores
10
10
Efficiency Core Threads
10
1.5 GHz
Efficiency Core Base Frequency
0.8 GHz
4.4 GHz
Efficiency Core Turbo Frequency
3.6 GHz
16
Total Core Count
12
16
Total Thread Count
14
100 MHz
Bus Frequency
100 MHz
20
Multiplier
13
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
12 MB shared
No
Unlocked Multiplier
No
-
SMP
1
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
2250 MHz
GPU Max Dynamic Frequency
1750 MHz
-
Shader Units
512
-
Texture Units
32
-
Raster Operation Units
16
-
Execution Units
64
-
Power Consumption
14
-
Max Resolution
7680x4320 - 60 Hz
-
Graphics Performance
1.89 TFLOPS
Miscellaneous
5.0
PCIe Version
4.0
28
PCIe Lanes
20
