Intel Core i7 1255U vs i7 10750H

We compared two laptop CPUs: the 1.7 GHz Intel Core i7 1255U with 10-cores against the 2.6 GHz i7 10750H with 6-cores. On this page, you'll find out which processor has better performance in benchmarks, games and other useful information.


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
Generic CPU rating

Key Differences

What are the key differences between 10750H and 1255U
Advantages of Intel Core i7 1255U
  • Newer - released 2-years later
  • Has 4 more physical cores
  • More modern manufacturing process – 10 versus 14 nanometers
  • Newer PCI Express version – 4.0
Advantages of Intel Core i7 10750H
  • Supports up to 128 GB DDR4-2933 RAM
  • 6% higher Turbo Boost frequency (5 GHz vs 4.7 GHz)

Test in Benchmarks

Comparing the performance of CPUs across various tasks

Cinebench R23

Reputable cross-platform benchmark for high-performance processors
Cinebench R23 (Single-Core)
Cinebench R23 (Multi-Core)

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 513.4 MB/sec 505.3 MB/sec
Clang compilation 36.1 Klines/sec 42.8 Klines/sec
HTML 5 Browser 144.2 pages/sec 142.5 pages/sec
PDF Renderer 152.3 Mpixels/sec 185.9 Mpixels/sec
Text processing 196.7 pages/sec 162.7 pages/sec
Background blur 37.3 images/sec 28.8 images/sec
Photo processing 69.3 images/sec 59.4 images/sec
Ray tracing 11.9 Mpixels/sec 8.8 Mpixels/sec
Sources: GeekBench [1], [2]


Synthetic test that focuses on raw computational performance for low-level functions
Passmark CPU (Single-Core)
Passmark CPU (Multi-Core)
Integer math 51.6 GOps/sec 41.1 GOps/sec
Floating point math 34.2 GOps/sec 25.9 GOps/sec
Find prime numbers 45M Primes/sec 40M Primes/sec
Random string sorting 17.4M Strings/sec 22.3M Strings/sec
Data encryption 9.6 GBytes/sec 4.1 GBytes/sec
Data compression 150.3 MBytes/sec 174.5 MBytes/sec
Physics 860 Frames/sec 710 Frames/sec
Extended instructions 8.4B Matrices/sec 10.9B Matrices/sec
Sources: PassMark [3], [4]


Full technical specification of Intel Core i7 1255U and i7 10750H


Vendor Intel Intel
Released February 23, 2022 April 2, 2020
Type Laptop Laptop
instruction set x86-64 x86-64
Codename Alder Lake Comet Lake
Model number i7-1255U i7-10750H
Integrated GPU Iris Xe Graphics (96EU) UHD Graphics 630


Performance Cores
P-Cores 2 6
P-Threads 4 12
Base Frequency (P) 1.7 GHz 2.6 GHz
Turbo Boost Frequency (P) 4.7 GHz 5 GHz
Efficient Cores
E-Cores 8 -
E-Threads 8 -
Base Frequency (E) 1.2 GHz -
Turbo Boost Frequency (E) 3.5 GHz -
Total Cores 10 6
Total Threads 12 12
Bus Frequency 100 MHz 100 MHz
Multiplier 17x 26x
Bus Bandwidth - 8 GT/s
L1 Cache 80K (per core) 64K (per core)
L2 Cache 1280K (per core) 256K (per core)
L3 Cache 12MB (shared) 12MB (shared)
Unlocked Multiplier No No


Fabrication process 10 nm 14 nm
TDP (PL1) 12-15 W (configurable) 45 W
Max. Boost TDP (PL2) 55 W -
Socket BGA-1744 BGA-1440
Peak temperature 100°C 100°C


Integrated Graphics Intel Iris Xe Graphics (96EU) Intel UHD Graphics 630
GPU Base Clock 300 MHz 350 MHz
GPU Boost Clock 1250 MHz 1150 MHz
Shading Units 768 192
TMUs 48 24
ROPs 24 3
Execution Units 96 24
TGP 15 W 15 W
Max. Resolution - 4096x2304 - 60 Hz

Memory Support

Memory types - DDR5-4800
- DDR4-3200
- LPDDR5-5200
- LPDDR4x-4267
- DDR4-2933
Memory Size 64 GB 128 GB
Max. Memory Channels 2 2
Max. Memory Bandwidth - 45.8 GB/s
ECC Support No No


Official site Intel Core i7 1255U official page Intel Core i7 10750H official page
PCI Express Version 4.0 3.0
PCI Express Lanes 20 16

Cast your vote

Choose between two processors
21 (65.6%)
11 (34.4%)
Total votes: 32


So which CPU will you choose: Intel Core i7 10750H or i7 1255U?