Intel Core Ultra 7 155H vs Ultra 5 125U

We compared two laptop CPUs: the 1.4 GHz Intel Core Ultra 7 155H with 16-cores against the 1.3 GHz Ultra 5 125U with 12-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
DeviceFacts Final Score
Choose your main usage scenario to recalculate the Final Score and see which CPU suits your needs.
πŸ”Œ Usage Scenario:

Key Differences

What are the key differences between 125U and 155H
Advantages of Intel Core Ultra 7 155H
  • More powerful Arc Graphics (8-Cores) integrated graphics: 4.6 vs 1.9 TFLOPS
  • Has 12 MB larger L3 cache size, helping fully utilize a high-end GPU in gaming
  • Has 4 more physical cores
  • Newer PCI Express version – 5.0
  • 12% higher Turbo Boost frequency (4.8 GHz vs 4.3 GHz)
  • 15% faster in a single-core Geekbench v6 test - 2421 vs 2113 points

Test in Benchmarks

Comparing the performance of CPUs across various tasks

Cinebench

Reputable cross-platform benchmark for high-performance processors
Cinebench 2024 (Single)
Cinebench 2024 (Multi)
Cinebench 2026 (Single) 544 -
Cinebench 2026 (Multi) 3749 -
Cinebench Scores (#165th 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 1220 MB/sec 958.1 MB/sec
Clang compilation 100.8 Klines/sec 65.6 Klines/sec
HTML 5 Browser 270.5 pages/sec 223.8 pages/sec
PDF Renderer 356.1 Mpixels/sec 243.9 Mpixels/sec
Text processing 243.4 pages/sec 213.2 pages/sec
Background blur 49.2 images/sec 40.3 images/sec
Photo processing 117.2 images/sec 93.4 images/sec
Ray tracing 19.4 Mpixels/sec 13.8 Mpixels/sec
Sources: GeekBench [1], [2] – 910 & 18 samples

PassMark

Synthetic test that focuses on raw computational performance for low-level functions
Passmark CPU (Single-Core)
Passmark CPU (Multi-Core)
Integer math 85.8 GOps/sec 55.8 GOps/sec
Floating point math 62.5 GOps/sec 40.2 GOps/sec
Find prime numbers 113M Primes/sec 64M Primes/sec
Random string sorting 31.6M Strings/sec 20.8M Strings/sec
Data encryption 16.1 GBytes/sec 11.7 GBytes/sec
Data compression 273.8 MBytes/sec 188.5 MBytes/sec
Physics 1701 Frames/sec 1063 Frames/sec
Extended instructions 16.2B Matrices/sec 10.7B Matrices/sec
Sources: PassMark [3], [4] – 6648 & 2202 samples

Blender

3D rendering test that measures CPU performance in 3D modeling tasks (uses all cores)
Blender CPU

Performance Per Watt

Shows the score you get per each watt of PL1 TDP
Cinebench 2024 / Watt 14.7 PPW 41.1 PPW
Geekbench 6 Multi / Watt 192.5 PPW 761.3 PPW
Passmark CPU Mark / Watt 377.1 PPW 1396.5 PPW
Blender / Watt 2.65 PPW 9.14 PPW
These are rough calculations, as most CPUs surpass PL1 TDP wattage even in multicore workloads.

Recent User Tests

The latest benchmark tests that have been submitted by users
Intel Core Ultra 7 155H
DateBenchmarkResult
πŸ“˜ 2026-02-22 (Alex Paulino)Cinebench 2026544 / 3749
πŸ“˜ 2026-01-15 (Ak-Dev)Geekbench 6 CPU2347 / 12862
πŸ“˜ 2025-11-08 (Anuj)Geekbench 6 CPU2248 / 12118
πŸ“˜ 2025-07-25 (Aya)Cinebench 202485 / 943
πŸ“˜ 2025-06-25 (Tarekcoupe)Cinebench 202496 / 930
Intel Core Ultra 5 125U
No benchmark results yet

Specifications

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

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 125U
Integrated GPU Arc Graphics (8-Cores) Arc Graphics (4-Cores)
Rival Equivalent - AMD Ryzen 7 8840HS - AMD Ryzen 5 8540U
Successor - Intel Core Ultra 7 255H - Intel Core Ultra 5 225U
Intel CPU rating (99th and 176th place)

CPU

Performance Cores
P-Cores 6 2
P-Threads 12 4
Base Frequency (P) 1.4 GHz 1.3 GHz
Turbo Boost Frequency (P) 4.8 GHz 4.3 GHz
Efficient Cores
E-Cores 10 10
E-Threads 10 10
Base Frequency (E) 0.9 GHz 0.8 GHz
Turbo Boost Frequency (E) 3.8 GHz 3.6 GHz
Total
Total Cores 16 12
Total Threads 22 14
Bus Frequency 100 MHz 100 MHz
Multiplier 14x 13x
L1 Cache 112K (per core) 112K (per core)
L2 Cache 2MB (per core) 2MB (per core)
L3 Cache 24MB (shared) 12MB (shared)
Unlocked Multiplier No No

Package

Fabrication Process 7 nm 7 nm
TDP (PL1) 20-65 W (configurable) 12 W
Max. Boost TDP (PL2) 115 W 57 W
Socket FCBGA-2049 FCBGA-2049
Peak Temperature 110Β°C 110Β°C

iGPU

Integrated Graphics Arc Graphics (8-Cores) Arc Graphics (4-Cores)
GPU Base Clock 300 MHz 300 MHz
GPU Boost Clock 2250 MHz 1850 MHz
Shading Units 1024 512
TMUs 64 32
ROPs 32 16
Execution Units 128 64
TGP 28 W 14 W
iGPU FLOPS
4.6 TFLOPS
1.9 TFLOPS

Memory Support

Memory Types - LPDDR5-7467
- LPDDR5x-7467
- DDR5-5600
- LPDDR5-7467
- LPDDR5x-7467
- DDR5-5600
Max. Memory Size 96 GB 96 GB
Memory Channels 2 2
Max. Memory Bandwidth 89.6 GB/s 89.6 GB/s
ECC Support No No

Misc

Official Site Intel Core Ultra 7 155H official page Intel Core Ultra 5 125U official page
PCI Express Version 5.0 4.0
PCI Express Lanes 28 20

Cast your vote

Choose between two processors
22 (81.5%)
5 (18.5%)
Total votes: 27

Comments

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