Home > CPU Comparison > Core i7 1355U or Core i7 12700H: what's better?

Intel Core i7 1355U vs i7 12700H

49 out of 100
Intel Core i7 1355U
VS
54 out of 100
Intel Core i7 12700H
Intel Core i7 1355U
Intel Core i7 12700H

We compared two laptop CPUs: the 1.7 GHz Intel Core i7 1355U with 10-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 1355U
Advantages of Intel Core i7 1355U
  • Supports up to 96 GB DDR5-5200 RAM
  • Newer - released 1 year later
  • 6% higher Turbo Boost frequency (5 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 4 more physical cores

Test in Benchmarks

Comparing the performance of CPUs across various tasks
CPU:
Core i7 1355U
vs
Core i7 12700H

Cinebench

Reputable cross-platform benchmark for high-performance processors
Cinebench 2024 (Single)
Cinebench 2024 (Multi)
Core i7 1355U
508
Core i7 12700H +108%
1055
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)
Core i7 1355U
7553
Core i7 12700H +48%
11165
File compression 519.7 MB/sec 907 MB/sec
Clang compilation 58.7 Klines/sec 83.6 Klines/sec
HTML 5 Browser 159 pages/sec 270.3 pages/sec
PDF Renderer 219.7 Mpixels/sec 350.7 Mpixels/sec
Text processing 221.5 pages/sec 236.4 pages/sec
Background blur 33.4 images/sec 44.8 images/sec
Photo processing 64.2 images/sec 95.7 images/sec
Ray tracing 12.5 Mpixels/sec 18 Mpixels/sec
Sources: GeekBench [1], [2] – 653 & 901 samples

PassMark

Synthetic test that focuses on raw computational performance for low-level functions
Passmark CPU (Single-Core)
Passmark CPU (Multi-Core)
Core i7 1355U
13850
Core i7 12700H +80%
24970
Integer math 50.4 GOps/sec 87.9 GOps/sec
Floating point math 33.9 GOps/sec 63.4 GOps/sec
Find prime numbers 48M Primes/sec 91M Primes/sec
Random string sorting 17.2M Strings/sec 32.7M Strings/sec
Data encryption 9.6 GBytes/sec 17.1 GBytes/sec
Data compression 152.3 MBytes/sec 292.8 MBytes/sec
Physics 844 Frames/sec 1476 Frames/sec
Extended instructions 8.5B Matrices/sec 17.4B Matrices/sec
Sources: PassMark [3], [4] – 3976 & 12064 samples

Blender

3D rendering test that measures CPU performance in 3D modeling tasks (uses all cores)
Blender CPU
Core i7 1355U
94.87
Core i7 12700H +109%
197.87

Performance Per Watt

Shows the score you get per each watt of PL1 TDP
Cinebench 2024 / Watt 33.9 PPW 23.4 PPW
Geekbench 6 Multi / Watt 503.5 PPW 248.1 PPW
Passmark CPU Mark / Watt 923.3 PPW 554.9 PPW
Blender / Watt 6.32 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 i7 1355U
DateBenchmarkResult
πŸ“˜ 2026-04-28 (Linode)Geekbench 6 CPU2435 / 7355
Add View all (1)
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 i7 1355U and i7 12700H

General

Vendor Intel Intel
Released January 3, 2023 January 4, 2022
Type Laptop Laptop
Instruction Set x86-64 x86-64
Codename Raptor Lake Alder Lake
Model number i7-1355U i7-12700H
Integrated GPU Iris Xe Graphics (96EU) Iris Xe Graphics (96EU)
Rival Equivalent - - AMD Ryzen 7 6800H
Successor - Intel Core Ultra 7 255U - Intel Core Ultra 7 265H
Intel CPU rating (159th 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) 5 GHz 4.7 GHz
Efficient Cores
E-Cores 8 8
E-Threads 8 8
Base Frequency (E) 1.2 GHz 1.7 GHz
Turbo Boost Frequency (E) 3.7 GHz 3.5 GHz
Total
Total Cores 10 14
Total Threads 12 20
Bus Frequency 100 MHz 100 MHz
Multiplier 17x 23x
L1 Cache 80K (per core) 80K (per core)
L2 Cache 1280K (per core) 1280K (per core)
L3 Cache 12MB (shared) 24MB (shared)
Unlocked Multiplier No No

Package

Fabrication Process 10 nm 10 nm
TDP (PL1) 12-15 W (configurable) 35-45 W (configurable)
Max. Boost TDP (PL2) 55 W 115 W
Socket BGA-1744 BGA-1744
Peak Temperature 100Β°C 100Β°C

iGPU

Integrated Graphics Intel Iris Xe Graphics (96EU) Intel Iris Xe Graphics (96EU)
GPU Base Clock 300 MHz 300 MHz
GPU Boost Clock 1300 MHz 1400 MHz
Shading Units 768 768
TMUs 48 48
ROPs 24 24
Execution Units 96 96
TGP 15 W 15 W
iGPU FLOPS
Core i7 1355U
2 TFLOPS
Core i7 12700H +10%
2.2 TFLOPS
See: Intel Iris Xe Graphics G7 (96EU) benchmarks

Memory Support

Memory Types - DDR5-5200
- DDR4-3200
- LPDDR5-6400
- LPDDR5x-6400
- LPDDR4x-4267		 - DDR5-4800
- DDR4-3200
- LPDDR5-5200
- LPDDR4x-4267
Max. Memory Size 96 GB 64 GB
Memory Channels 2 2
ECC Support No No

Misc

Official Site Intel Core i7 1355U 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
52 (22.3%)
181 (77.7%)
Total votes: 233

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7. Intel Core i7 1355U vs Intel Core i7 1255U (1)
8. Intel Core i7 1355U vs Intel Core i7 13700H (1)
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Comments

So which CPU will you choose: Intel Core i7 12700H or i7 1355U?
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