Intel Core Ultra 7 155H vs i5 1235U

We compared two laptop CPUs: the 1.4 GHz Intel Core Ultra 7 155H with 16-cores against the 1.3 GHz i5 1235U with 10-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 1235U and 155H
Advantages of Intel Core Ultra 7 155H
  • More powerful Arc Graphics (8-Cores) integrated graphics: 4.6 vs 1.5 TFLOPS
  • Has 12 MB larger L3 cache size, helping fully utilize a high-end GPU in gaming
  • Newer - released 1 year and 10 months later
  • Has 6 more physical cores
  • Supports up to 96 GB LPDDR5-7467 RAM
  • More modern manufacturing process – 7 versus 10 nanometers
  • Newer PCI Express version – 5.0
  • 16% faster in a single-core Geekbench v6 test - 2421 vs 2089 points
  • More than 10Β° C higher critical temperature
  • 9% higher Turbo Boost frequency (4.8 GHz vs 4.4 GHz)

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) 544 400
Cinebench 2026 (Multi) 3749 1046
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 448.4 MB/sec
Clang compilation 100.8 Klines/sec 24.1 Klines/sec
HTML 5 Browser 270.5 pages/sec 156 pages/sec
PDF Renderer 356.1 Mpixels/sec 128.9 Mpixels/sec
Text processing 243.4 pages/sec 206.3 pages/sec
Background blur 49.2 images/sec 34.7 images/sec
Photo processing 117.2 images/sec 54.1 images/sec
Ray tracing 19.4 Mpixels/sec 10.5 Mpixels/sec
Sources: GeekBench [1], [2] – 910 & 545 samples

PassMark

Synthetic test that focuses on raw computational performance for low-level functions
Passmark CPU (Single-Core)
Passmark CPU (Multi-Core)
24509
Integer math 85.8 GOps/sec 47.4 GOps/sec
Floating point math 62.5 GOps/sec 37.4 GOps/sec
Find prime numbers 113M Primes/sec 534M Primes/sec
Random string sorting 31.6M Strings/sec 16.6M Strings/sec
Data encryption 16.1 GBytes/sec 9 GBytes/sec
Data compression 273.8 MBytes/sec 143.4 MBytes/sec
Physics 1701 Frames/sec 649 Frames/sec
Extended instructions 16.2B Matrices/sec 7.9B Matrices/sec
Sources: PassMark [3], [4] – 6648 & 8840 samples

Blender

3D rendering test that measures CPU performance in 3D modeling tasks (uses all cores)
Blender CPU
172.02

Performance Per Watt

Shows the score you get per each watt of PL1 TDP
Cinebench 2024 / Watt 14.7 PPW 24.5 PPW
Geekbench 6 Multi / Watt 192.5 PPW 424.1 PPW
Passmark CPU Mark / Watt 377.1 PPW 826.9 PPW
Blender / Watt 2.65 PPW 5.36 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 i5 1235U
DateBenchmarkResult
πŸ“˜ 2026-08-15 (zoetje)Cinebench 2026400 / 1046
πŸ“˜ 2026-08-09 (Jubayer)Cinebench 202486 / 393
πŸ“˜ 2026-05-06 (TASIN AMIR)Geekbench 6 CPU2191 / 7204
πŸ“˜ 2026-03-08 -> samueltailsGeekbench 6 CPU2147 / 6050
πŸ“˜ 2025-01-13 (sauron269)Cinebench 202498 / 368

Specifications

Full technical specification of Intel Core Ultra 7 155H and i5 1235U

General

Vendor Intel Intel
Released December 14, 2023 February 23, 2022
Type Laptop Laptop
Instruction Set x86-64 x86-64
Codename Meteor Lake Alder Lake
Model number 155H i5-1235U
Integrated GPU Arc Graphics (8-Cores) Iris Xe Graphics (80EU)
Rival Equivalent - AMD Ryzen 7 8840HS -
Successor - Intel Core Ultra 7 255H - Intel Core Ultra 5 225U
Intel CPU rating (99th and 199th 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 4.4 GHz
Efficient Cores
E-Cores 10 8
E-Threads 10 8
Base Frequency (E) 0.9 GHz 0.9 GHz
Turbo Boost Frequency (E) 3.8 GHz 3.3 GHz
Total
Total Cores 16 10
Total Threads 22 12
Bus Frequency 100 MHz 100 MHz
Multiplier 14x 13x
L1 Cache 112K (per core) 80K (per core)
L2 Cache 2MB (per core) 1280K (per core)
L3 Cache 24MB (shared) 12MB (shared)
Unlocked Multiplier No No

Package

Fabrication Process 7 nm 10 nm
TDP (PL1) 20-65 W (configurable) 12-15 W (configurable)
Max. Boost TDP (PL2) 115 W 55 W
Socket FCBGA-2049 BGA-1744
Peak Temperature 110Β°C 100Β°C

iGPU

Integrated Graphics Arc Graphics (8-Cores) Intel Iris Xe Graphics (80EU)
GPU Base Clock 300 MHz 300 MHz
GPU Boost Clock 2250 MHz 1200 MHz
Shading Units 1024 640
TMUs 64 40
ROPs 32 20
Execution Units 128 80
TGP 28 W 15 W
iGPU FLOPS
4.6 TFLOPS
1.5 TFLOPS

Memory Support

Memory Types - LPDDR5-7467
- LPDDR5x-7467
- DDR5-5600
- DDR5-4800
- DDR4-3200
- LPDDR5-5200
- LPDDR4x-4267
Max. Memory Size 96 GB 64 GB
Memory Channels 2 2
Max. Memory Bandwidth 89.6 GB/s -
ECC Support No No

Misc

Official Site Intel Core Ultra 7 155H official page Intel Core i5 1235U official page
PCI Express Version 5.0 4.0
PCI Express Lanes 28 20

Cast your vote

Choose between two processors
13 (92.9%)
1 (7.1%)
Total votes: 14

Comments

So which CPU will you choose: Intel Core i5 1235U or Ultra 7 155H?
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