Intel Core i7 1255U vs i5 12500H

We compared two laptop CPUs: the 1.7 GHz Intel Core i7 1255U with 10-cores against the 2.5 GHz i5 12500H 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
NanoReview 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 12500H and 1255U
Advantages of Intel Core i7 1255U
  • 4% higher Turbo Boost frequency (4.7 GHz vs 4.5 GHz)
Advantages of Intel Core i5 12500H
  • Has 6 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

Cinebench

Reputable cross-platform benchmark for high-performance processors
Cinebench 2024 (Single)
Cinebench 2024 (Multi)

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)
9527
File compression 626.4 MB/sec 867.4 MB/sec
Clang compilation 49.1 Klines/sec 62.8 Klines/sec
HTML 5 Browser 179.7 pages/sec 235.5 pages/sec
PDF Renderer 201.5 Mpixels/sec 291 Mpixels/sec
Text processing 217.7 pages/sec 231.7 pages/sec
Background blur 31.6 images/sec 37.7 images/sec
Photo processing 71.1 images/sec 96.1 images/sec
Ray tracing 9.8 Mpixels/sec 13.4 Mpixels/sec
Sources: GeekBench [1], [2] – 1162 & 1034 samples

PassMark

Synthetic test that focuses on raw computational performance for low-level functions
Passmark CPU (Single-Core)
Passmark CPU (Multi-Core)
20249
Integer math 47.7 GOps/sec 70.7 GOps/sec
Floating point math 32.2 GOps/sec 51.4 GOps/sec
Find prime numbers 38M Primes/sec 56M Primes/sec
Random string sorting 16.8M Strings/sec 27.7M Strings/sec
Data encryption 9.1 GBytes/sec 14.5 GBytes/sec
Data compression 145.7 MBytes/sec 248.2 MBytes/sec
Physics 750 Frames/sec 1002 Frames/sec
Extended instructions 8.2B Matrices/sec 14.6B Matrices/sec
Sources: PassMark [3], [4] – 4528 & 5384 samples

Blender

3D rendering test that measures CPU performance in 3D modeling tasks (uses all cores)
Blender CPU
152.89

Performance Per Watt

Shows the score you get per each watt of PL1 TDP
Cinebench 2024 / Watt 29.7 PPW 16.6 PPW
Geekbench 6 Multi / Watt 477.3 PPW 211.7 PPW
Passmark CPU Mark / Watt 865.2 PPW 450 PPW
Blender / Watt 5.15 PPW 3.4 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 1255U
DateBenchmarkResult
πŸ“˜ 2026-02-13 -> Lello75Geekbench 6 CPU2315 / 7219
πŸ“˜ 2025-04-13 (kapple)Cinebench 202495 / 446
Intel Core i5 12500H
DateBenchmarkResult
πŸ“˜ 2026-09-01 (Ryoji)Cinebench 2026516 / 2644
πŸ“˜ 2026-09-01 (Ryoji)Cinebench 202498 / 660
πŸ“˜ 2024-12-17 (Thien)Cinebench 202499 / 821
πŸ“˜ 2024-11-02 (Praheg)Cinebench 202497 / 748
πŸ“˜ 2024-09-21 (uqi)Cinebench 202492 / 527

Specifications

Full technical specification of Intel Core i7 1255U and i5 12500H

General

Vendor Intel Intel
Released February 23, 2022 January 4, 2022
Type Laptop Laptop
Instruction Set x86-64 x86-64
Codename Alder Lake Alder Lake
Model number i7-1255U i5-12500H
Integrated GPU Iris Xe Graphics (96EU) Iris Xe Graphics (80EU)
Successor - Intel Core Ultra 7 255U - Intel Core Ultra 5 235H
Intel CPU rating (186th and 162nd place)

CPU

Performance Cores
P-Cores 2 4
P-Threads 4 8
Base Frequency (P) 1.7 GHz 2.5 GHz
Turbo Boost Frequency (P) 4.7 GHz 4.5 GHz
Efficient Cores
E-Cores 8 8
E-Threads 8 8
Base Frequency (E) 1.2 GHz 1.8 GHz
Turbo Boost Frequency (E) 3.5 GHz 3.3 GHz
Total
Total Cores 10 12
Total Threads 12 16
Bus Frequency 100 MHz 100 MHz
Multiplier 17x 25x
L1 Cache 80K (per core) 80K (per core)
L2 Cache 1280K (per core) 1280K (per core)
L3 Cache 12MB (shared) 18MB (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 95 W
Socket BGA-1744 BGA-1744
Peak Temperature 100Β°C 100Β°C

iGPU

Integrated Graphics Intel Iris Xe Graphics (96EU) Intel Iris Xe Graphics (80EU)
GPU Base Clock 300 MHz 300 MHz
GPU Boost Clock 1250 MHz 1300 MHz
Shading Units 768 640
TMUs 48 40
ROPs 24 20
Execution Units 96 80
TGP 15 W 15 W
iGPU FLOPS
1.9 TFLOPS
1.7 TFLOPS

Memory Support

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

Misc

Official Site Intel Core i7 1255U official page Intel Core i5 12500H official page
PCI Express Version 4.0 4.0
PCI Express Lanes 20 28

Cast your vote

Choose between two processors
94 (14.9%)
536 (85.1%)
Total votes: 630

Comments

So which CPU will you choose: Intel Core i5 12500H or i7 1255U?
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