Intel Core i5 1135G7 vs i3 N305

We compared two laptop CPUs: the 0.9-2.4 GHz Intel Core i5 1135G7 with 4-cores against the 1.8 GHz i3 N305 with 8-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
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 N305 and 1135G7
Advantages of Intel Core i5 1135G7
  • Supports up to 64 GB DDR4-3200 RAM
  • More powerful Iris Xe Graphics G7 80EU integrated graphics: 1.7 vs 0.6 TFLOPS
  • Has 2 MB larger L3 cache size
  • Newer PCI Express version – 4.0
  • 33% faster in a single-core Geekbench v6 test - 1783 vs 1339 points
Advantages of Intel Core i3 N305
  • Has 4 more physical cores
  • Newer - released 2 years and 4 months later

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)
1783
Geekbench 6 (Multi-Core)
File compression 415.2 MB/sec 447.7 MB/sec
Clang compilation 31.2 Klines/sec 41.7 Klines/sec
HTML 5 Browser 92.1 pages/sec 123.7 pages/sec
PDF Renderer 149.6 Mpixels/sec 162.8 Mpixels/sec
Text processing 149.6 pages/sec 167.4 pages/sec
Background blur 25 images/sec 25 images/sec
Photo processing 46.9 images/sec 42.1 images/sec
Ray tracing 6.1 Mpixels/sec 7.03 Mpixels/sec
Sources: GeekBench [1], [2] – 775 & 789 samples

PassMark

Synthetic test that focuses on raw computational performance for low-level functions
Passmark CPU (Single-Core)
2596
Passmark CPU (Multi-Core)
Integer math 31.3 GOps/sec 32.8 GOps/sec
Floating point math 19 GOps/sec 21.9 GOps/sec
Find prime numbers 34M Primes/sec 23M Primes/sec
Random string sorting 12.4M Strings/sec 13.8M Strings/sec
Data encryption 5.3 GBytes/sec 7.6 GBytes/sec
Data compression 101 MBytes/sec 111 MBytes/sec
Physics 559 Frames/sec 527 Frames/sec
Extended instructions 7.2B Matrices/sec 5.7B Matrices/sec
Sources: PassMark [3], [4] – 17882 & 1152 samples

Blender

3D rendering test that measures CPU performance in 3D modeling tasks (uses all cores)
Blender CPU
58.26

Performance Per Watt

Shows the score you get per each watt of PL1 TDP
Cinebench 2024 / Watt 8.5 PPW 16.1 PPW
Geekbench 6 Multi / Watt 176.1 PPW 351.8 PPW
Passmark CPU Mark / Watt 332.2 PPW 625.1 PPW
Blender / Watt 2.03 PPW 3.88 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 i5 1135G7
DateBenchmarkResult
πŸ“˜ 2026-07-25 (Neup_Gamerz)Geekbench 6 CPU1908 / 5270
πŸ“˜ 2026-07-17 (monir)Geekbench 6 CPU1862 / 6087
πŸ“˜ 2025-12-30 (VSM)Geekbench 6 CPU1191 / 1891
πŸ“˜ 2023-11-26 (Guest #3)Cinebench 202464 / 238
Intel Core i3 N305
DateBenchmarkResult
πŸ“˜ 2025-10-13 (Aleman82)Geekbench 6 CPU1264 / 3791
πŸ“˜ 2025-10-08 (Kbzabeto82)Geekbench 6 CPU1264 / 3791

Specifications

Full technical specification of Intel Core i5 1135G7 and i3 N305

General

Vendor Intel Intel
Released September 2, 2020 January 3, 2023
Type Laptop Laptop
Instruction Set x86-64 x86-64
Codename Tiger Lake Alder Lake
Model number i5-1135G7 i3-N305
Integrated GPU Iris Xe Graphics G7 80EU UHD Graphics (32EU)
Successor - Intel Core Ultra 5 225U -

CPU

Performance Cores
P-Cores 4 -
P-Threads 8 -
Base Frequency (P) 0.9-2.4 GHz -
Turbo Boost Frequency (P) 4.2 GHz -
Efficient Cores
E-Cores - 8
E-Threads - 8
Base Frequency (E) - 1.8 GHz
Turbo Boost Frequency (E) - 3.9 GHz
Total
Total Cores 4 8
Total Threads 8 8
Bus Frequency 100 MHz 100 MHz
Multiplier 9-24x 18x
Bus Bandwidth 4 GT/s -
L1 Cache 96K (per core) 96K (per core)
L2 Cache 1280K (per core) 2MB (shared)
L3 Cache 8MB (shared) 6MB (shared)
Unlocked Multiplier No No

Package

Fabrication Process 10 nm 10 nm
TDP (PL1) 12-28 W (configurable) 9-15 W (configurable)
Socket BGA-1449 BGA-1744
Peak Temperature 100Β°C 105Β°C

iGPU

Integrated Graphics Iris Xe Graphics G7 80EU Intel UHD Graphics (32EU)
GPU Base Clock 300 MHz 300 MHz
GPU Boost Clock 1300 MHz 1250 MHz
Shading Units 640 256
TMUs 40 16
ROPs 20 8
Execution Units 80 32
TGP 15 W 15 W
iGPU FLOPS
1.7 TFLOPS
0.6 TFLOPS

Memory Support

Memory Types - DDR4-3200
- LPDDR4-4267
- DDR5-4800
- DDR4-3200
- LPDDR5-4800
Max. Memory Size 64 GB 16 GB
Memory Channels 2 1
ECC Support No No

Misc

Official Site Intel Core i5 1135G7 official page Intel Core i3 N305 official page
PCI Express Version 4.0 3.0
PCI Express Lanes 16 9

Cast your vote

Choose between two processors
68 (42%)
94 (58%)
Total votes: 162

Comments

So which CPU will you choose: Intel Core i3 N305 or i5 1135G7?
🌐 Register your profile and become part of DeviceFacts community!