Intel Core Ultra 7 155H vs Ultra 5 125H

We compared two laptop CPUs: the 1.4 GHz Intel Core Ultra 7 155H with 16-cores against the 1.2 GHz Ultra 5 125H with 14-cores. On this page, you'll find out which processor has better performance in benchmarks, games and other useful information.

Review

General overview and comparison of the processors
Single-Core Performance
Performance in single-threaded apps and benchmarks
Multi-Core Performance
Measure performance when all cores are involved
Power Efficiency
The efficiency score of power consumption
Integrated Graphics
iGPU capabilities for gaming and 3D-intensive tasks
NanoReview Final Score
Generic CPU rating

Key Differences

What are the key differences between 125H and 155H
Advantages of Intel Core Ultra 7 155H
  • Has 6144 KB larger L3 cache size
  • More powerful Arc Graphics (8-Cores) integrated graphics: 0.58 vs 0.49 TFLOPS
  • Has 2 more physical cores
  • 7% higher Turbo Boost frequency (4.8 GHz vs 4.5 GHz)

Test in Benchmarks

Comparing the performance of CPUs across various tasks

Cinebench R23

Reputable cross-platform benchmark for high-performance processors
Cinebench R23 (Single-Core)
Cinebench R23 (Multi-Core)
Cinebench R23 Scores (115th and 154th place)

GeekBench v6

The new version of this benchmark emulates common operations often used in real-world apps
Geekbench 6 (Single-Core)
Geekbench 6 (Multi-Core)
File compression 1270 MB/sec 1160 MB/sec
Clang compilation 98.8 Klines/sec 84.4 Klines/sec
HTML 5 Browser 274.6 pages/sec 294.9 pages/sec
PDF Renderer 369.9 Mpixels/sec 337.2 Mpixels/sec
Text processing 236.9 pages/sec 234.2 pages/sec
Background blur 48.4 images/sec 47.1 images/sec
Photo processing 109.6 images/sec 116.1 images/sec
Ray tracing 19.7 Mpixels/sec 17.8 Mpixels/sec
Sources: GeekBench [1], [2]

PassMark

Synthetic test that focuses on raw computational performance for low-level functions
Passmark CPU (Single-Core)
Passmark CPU (Multi-Core)
Integer math 88.7 GOps/sec 74.6 GOps/sec
Floating point math 65.1 GOps/sec 54.7 GOps/sec
Find prime numbers 116M Primes/sec 91M Primes/sec
Random string sorting 30.5M Strings/sec 30.1M Strings/sec
Data encryption 16.7 GBytes/sec 15.9 GBytes/sec
Data compression 279.5 MBytes/sec 259.1 MBytes/sec
Physics 1797 Frames/sec 1621 Frames/sec
Extended instructions 16.3B Matrices/sec 14.6B Matrices/sec
Sources: PassMark [3], [4]
Promotion

Specifications

Full technical specification of Intel Core Ultra 7 155H and Ultra 5 125H

General

Vendor Intel Intel
Released December 14, 2023 December 14, 2023
Type Laptop Laptop
instruction set x86-64 x86-64
Codename Meteor Lake Meteor Lake
Model number 155H 125H
Integrated GPU Arc Graphics (8-Cores) Arc Graphics (7-Cores)
Laptop processors ranking (58th and 73rd place)

CPU

Performance Cores
P-Cores 6 4
P-Threads 12 8
Base Frequency (P) 1.4 GHz 1.2 GHz
Turbo Boost Frequency (P) 4.8 GHz 4.5 GHz
Efficient Cores
E-Cores 10 10
E-Threads 10 10
Base Frequency (E) 0.9 GHz 0.7 GHz
Turbo Boost Frequency (E) 3.8 GHz 3.6 GHz
Total
Total Cores 16 14
Total Threads 22 18
Bus Frequency 100 MHz 100 MHz
Multiplier 14x 12x
L1 Cache 112K (per core) 112K (per core)
L2 Cache 2MB (per core) 2MB (per core)
L3 Cache 24MB (shared) 18MB (shared)
Unlocked Multiplier No No

Package

Fabrication process 7 nm 7 nm
TDP (PL1) 20-65 W (configurable) 20-65 W (configurable)
Max. Boost TDP (PL2) 115 W 115 W
Socket FCBGA-2049 FCBGA-2049
Peak temperature 110°C 110°C

iGPU

Integrated Graphics Arc Graphics (8-Cores) Arc Graphics (7-Cores)
GPU Boost Clock 2250 MHz 2200 MHz
Shading Units 128 112
TMUs 8 7
ROPs 4 4
Execution Units 8 7
iGPU FLOPS
0.58 TFLOPS
0.49 TFLOPS

Memory Support

Memory types - LPDDR5-7467
- LPDDR5x-7467
- DDR5-5600
- LPDDR5-7467
- LPDDR5x-7467
- DDR5-5600
Memory Size 96 GB 96 GB
Max. Memory Channels 2 2
ECC Support No No

Misc

Official site Intel Core Ultra 7 155H official page Intel Core Ultra 5 125H official page
PCI Express Version 5.0 5.0
PCI Express Lanes 28 28

Cast your vote

Choose between two processors
147 (35.9%)
263 (64.1%)
Total votes: 410

Comments

So which CPU will you choose: Intel Core Ultra 5 125H or Ultra 7 155H?