Home > CPU Comparison > Core Ultra 7 155U or Core i7 12700H: what's better?

Intel Core Ultra 7 155U vs i7 12700H

50 out of 100
Intel Core Ultra 7 155U
VS
54 out of 100
Intel Core i7 12700H
Intel Core Ultra 7 155U
Intel Core i7 12700H

We compared two laptop CPUs: the 1.7 GHz Intel Core Ultra 7 155U with 12-cores against the 2.3 GHz i7 12700H with 14-cores. On this page, you'll find out which processor has better performance in benchmarks, games and other useful information.

  1. Review
  2. Differences
  3. Performance
  4. Specs
  5. Comments

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 12700H and 155U
Advantages of Intel Core Ultra 7 155U
  • Newer - released 1 year and 11 months later
  • Supports up to 96 GB LPDDR5-7467 RAM
  • More modern manufacturing process – 7 versus 10 nanometers
  • More than 10Β° C higher critical temperature
  • 2% higher Turbo Boost frequency (4.8 GHz vs 4.7 GHz)
Advantages of Intel Core i7 12700H
  • Has 12 MB larger L3 cache size, helping fully utilize a high-end GPU in gaming
  • Has 2 more physical cores

Test in Benchmarks

Comparing the performance of CPUs across various tasks
CPU:
Core Ultra 7 155U
vs
Core i7 12700H

Cinebench

Reputable cross-platform benchmark for high-performance processors
Cinebench 2024 (Single)
Cinebench 2024 (Multi)
Cinebench Scores (#142nd place)
Submit your benchmark results

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 1000 MB/sec 907 MB/sec
Clang compilation 62.5 Klines/sec 83.6 Klines/sec
HTML 5 Browser 241.5 pages/sec 270.3 pages/sec
PDF Renderer 264.8 Mpixels/sec 350.7 Mpixels/sec
Text processing 233.2 pages/sec 236.4 pages/sec
Background blur 39 images/sec 44.8 images/sec
Photo processing 97.3 images/sec 95.7 images/sec
Ray tracing 13.2 Mpixels/sec 18 Mpixels/sec
Sources: GeekBench [1], [2] – 21 & 901 samples

PassMark

Synthetic test that focuses on raw computational performance for low-level functions
Passmark CPU (Single-Core)
Passmark CPU (Multi-Core)
Integer math 56.8 GOps/sec 87.9 GOps/sec
Floating point math 39.6 GOps/sec 63.4 GOps/sec
Find prime numbers 65M Primes/sec 91M Primes/sec
Random string sorting 19.5M Strings/sec 32.7M Strings/sec
Data encryption 11.2 GBytes/sec 17.1 GBytes/sec
Data compression 174.6 MBytes/sec 292.8 MBytes/sec
Physics 1076 Frames/sec 1476 Frames/sec
Extended instructions 9.7B Matrices/sec 17.4B Matrices/sec
Sources: PassMark [3], [4] – 1857 & 12064 samples

Blender

3D rendering test that measures CPU performance in 3D modeling tasks (uses all cores)
Blender CPU
Core Ultra 7 155U
99.74
Core i7 12700H +98%
197.87

Performance Per Watt

Shows the score you get per each watt of PL1 TDP
Cinebench 2024 / Watt 36.6 PPW 23.4 PPW
Geekbench 6 Multi / Watt 632.4 PPW 248.1 PPW
Passmark CPU Mark / Watt 1076.1 PPW 554.9 PPW
Blender / Watt 6.65 PPW 4.4 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 155U
DateBenchmarkResult
πŸ“˜ 2025-03-17 (KNOTs_007)Cinebench 2024101 / 997
πŸ“˜ 2025-02-14 (hanswurst)Cinebench 202490 / 348
πŸ“˜ 2024-07-18 (Makikou)Cinebench 202494 / 333
Add View all (3)
Intel Core i7 12700H
DateBenchmarkResult
πŸ“˜ 2026-10-05 (Mark)Geekbench 7 CPU1884 / 8871
πŸ“˜ 2026-10-05 (Mark)Cinebench 2026460 / 1351
πŸ“˜ 2026-01-30 -> YowthCinebench 2024105 / 541
πŸ“˜ 2025-11-27 (Fapvie)Cinebench 2024102 / 961
πŸ“˜ 2025-06-27 (sizar)Cinebench 2024100 / 750
Add View all (17)

Specifications

Full technical specification of Intel Core Ultra 7 155U and i7 12700H

General

Vendor Intel Intel
Released December 14, 2023 January 4, 2022
Type Laptop Laptop
Instruction Set x86-64 x86-64
Codename Meteor Lake Alder Lake
Model number 155U i7-12700H
Integrated GPU Arc Graphics (4-Cores) Iris Xe Graphics (96EU)
Rival Equivalent - AMD Ryzen 7 8840U - AMD Ryzen 7 6800H
Successor - Intel Core Ultra 7 255U - Intel Core Ultra 7 265H
Intel CPU rating (150th and 125th place)

CPU

Performance Cores
P-Cores 2 6
P-Threads 4 12
Base Frequency (P) 1.7 GHz 2.3 GHz
Turbo Boost Frequency (P) 4.8 GHz 4.7 GHz
Efficient Cores
E-Cores 10 8
E-Threads 10 8
Base Frequency (E) 1.2 GHz 1.7 GHz
Turbo Boost Frequency (E) 3.8 GHz 3.5 GHz
Total
Total Cores 12 14
Total Threads 14 20
Bus Frequency 100 MHz 100 MHz
Multiplier 17x 23x
L1 Cache 112K (per core) 80K (per core)
L2 Cache 2MB (per core) 1280K (per core)
L3 Cache 12MB (shared) 24MB (shared)
Unlocked Multiplier No No

Package

Fabrication Process 7 nm 10 nm
TDP (PL1) 12-15 W (configurable) 35-45 W (configurable)
Max. Boost TDP (PL2) 57 W 115 W
Socket FCBGA-2049 BGA-1744
Peak Temperature 110Β°C 100Β°C
Laptop processors ranking (198th and 162nd place)

iGPU

Integrated Graphics Arc Graphics (4-Cores) Intel Iris Xe Graphics (96EU)
GPU Base Clock 300 MHz 300 MHz
GPU Boost Clock 1950 MHz 1400 MHz
Shading Units 512 768
TMUs 32 48
ROPs 16 24
Execution Units 64 96
TGP 14 W 15 W
iGPU FLOPS
Core Ultra 7 155U
2 TFLOPS
Core i7 12700H +10%
2.2 TFLOPS
More info: Iris Xe Graphics G7 (96EU) compared to Arc iGPU (4-Cores)

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 155U official page Intel Core i7 12700H official page
PCI Express Version 4.0 4.0
PCI Express Lanes 20 28

Cast your vote

Choose between two processors
1 (6.7%)
14 (93.3%)
Total votes: 15

Competitors

1. Intel Core Ultra 7 155U vs Intel Core i7 1355U (1)
2. Intel Core Ultra 7 155U vs Intel Core Ultra 7 165U
3. Intel Core Ultra 7 155U vs AMD Ryzen 7 8840U (3)
4. Intel Core i7 12700H vs Apple M4 (10-Core) (2)
5. Intel Core i7 12700H vs Qualcomm Snapdragon X Elite (X1E-84-100)
6. Intel Core i7 12700H vs AMD Ryzen 7 7435HS
7. Intel Core i7 12700H vs Intel Core Ultra 7 155H (3)
8. Intel Core i7 12700H vs Qualcomm Snapdragon X Plus (X1P-64-100)
9. Intel Core i7 12700H vs Intel Core i7 13620H (1)
10. Intel Core i7 12700H vs Apple M2 (2)
Compare other CPUs (460+)

Comments

So which CPU will you choose: Intel Core i7 12700H or Ultra 7 155U?
🌐 Register your profile and become part of DeviceFacts community!
EnglishРусский