Intel Core i7 1255U vs i5 11300H

We compared two laptop CPUs: the 1.7 GHz Intel Core i7 1255U with 10-cores against the 2.6-3.1 GHz i5 11300H with 4-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
Generic CPU rating

Key Differences

What are the key differences between 11300H and 1255U
Advantages of Intel Core i7 1255U
  • Has 6 more physical cores
  • Newer - released 1-year and 1-month later
  • Has 4096 KB larger L3 cache size
  • 7% higher Turbo Boost frequency (4.7 GHz vs 4.4 GHz)
Advantages of Intel Core i5 11300H
  • 9% faster in a single-core Geekbench v6 test - 1832 vs 1681 points
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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)
1668
Cinebench R23 (Multi-Core)
8324

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)
6830
File compression 513.4 MB/sec 383.2 MB/sec
Clang compilation 36.1 Klines/sec 36.5 Klines/sec
HTML 5 Browser 144.2 pages/sec 97.5 pages/sec
PDF Renderer 152.3 Mpixels/sec 149.8 Mpixels/sec
Text processing 196.7 pages/sec 173.8 pages/sec
Background blur 37.3 images/sec 27.5 images/sec
Photo processing 69.3 images/sec 35.7 images/sec
Ray tracing 11.9 Mpixels/sec 6.98 Mpixels/sec
Sources: GeekBench [1], [2]

PassMark

Synthetic test that focuses on raw computational performance for low-level functions
Passmark CPU (Single-Core)
3336
Passmark CPU (Multi-Core)
13845
Integer math 51.6 GOps/sec 34.8 GOps/sec
Floating point math 34.2 GOps/sec 21.4 GOps/sec
Find prime numbers 45M Primes/sec 36M Primes/sec
Random string sorting 17.4M Strings/sec 15.3M Strings/sec
Data encryption 9.6 GBytes/sec 6.6 GBytes/sec
Data compression 150.3 MBytes/sec 125.3 MBytes/sec
Physics 860 Frames/sec 619 Frames/sec
Extended instructions 8.4B Matrices/sec 9.3B Matrices/sec
Sources: PassMark [3], [4]

Specifications

Full technical specification of Intel Core i7 1255U and i5 11300H

General

Vendor Intel Intel
Released February 23, 2022 January 12, 2021
Type Laptop Laptop
instruction set x86-64 x86-64
Codename Alder Lake Tiger Lake
Model number i7-1255U i5-11300H
Integrated GPU Iris Xe Graphics (96EU) Iris Xe Graphics 80EU

CPU

Performance Cores
P-Cores 2 4
P-Threads 4 8
Base Frequency (P) 1.7 GHz 2.6-3.1 GHz
Turbo Boost Frequency (P) 4.7 GHz 4.4 GHz
Efficient Cores
E-Cores 8 -
E-Threads 8 -
Base Frequency (E) 1.2 GHz -
Turbo Boost Frequency (E) 3.5 GHz -
Total
Total Cores 10 4
Total Threads 12 8
Bus Frequency 100 MHz 100 MHz
Multiplier 17x 26-31x
Bus Bandwidth - 4 GT/s
L1 Cache 80K (per core) 96K (per core)
L2 Cache 1280K (per core) 1280K (per core)
L3 Cache 12MB (shared) 8MB (shared)
Unlocked Multiplier No No

Package

Fabrication process 10 nm 10 nm
TDP (PL1) 12-15 W (configurable) 28-35 W (configurable)
Max. Boost TDP (PL2) 55 W -
Socket BGA-1744 BGA-1449
Peak temperature 100°C 100°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
1.69 TFLOPS
1.41 TFLOPS

Memory Support

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

Misc

Official site Intel Core i7 1255U official page Intel Core i5 11300H official page
PCI Express Version 4.0 4.0
PCI Express Lanes 20 16

Cast your vote

Choose between two processors
23 (71.9%)
9 (28.1%)
Total votes: 32

Comments

So which CPU will you choose: Intel Core i5 11300H or i7 1255U?
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