Home > CPU Comparison > Core i5 1335U or Core i3 N305: what's better?

Intel Core i5 1335U vs i3 N305

44 out of 100
Intel Core i5 1335U
VS
31 out of 100
Intel Core i3 N305
Intel Core i5 1335U
Intel Core i3 N305

We compared two laptop CPUs: the 1.3 GHz Intel Core i5 1335U with 10-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.

  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 N305 and 1335U
Advantages of Intel Core i5 1335U
  • Supports up to 96 GB DDR5-5200 RAM
  • More powerful Intel Iris Xe Graphics (80EU) integrated graphics: 1.6 vs 0.6 TFLOPS
  • Has 6 MB larger L3 cache size, helping fully utilize a high-end GPU in gaming
  • 58% faster in a single-core Geekbench v6 test - 2119 vs 1339 points
  • Has 2 more physical cores
  • Newer PCI Express version – 4.0

Test in Benchmarks

Comparing the performance of CPUs across various tasks
CPU:
Core i5 1335U
vs
Core i3 N305

Cinebench

Reputable cross-platform benchmark for high-performance processors
Cinebench 2024 (Single)
Cinebench 2024 (Multi)
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)
Core i5 1335U +58%
2119
Core i3 N305
1339
Geekbench 6 (Multi-Core)
Core i5 1335U +44%
7587
Core i3 N305
5277
File compression 703.6 MB/sec 447.7 MB/sec
Clang compilation 53.5 Klines/sec 41.7 Klines/sec
HTML 5 Browser 219.6 pages/sec 123.7 pages/sec
PDF Renderer 218.9 Mpixels/sec 162.8 Mpixels/sec
Text processing 207.1 pages/sec 167.4 pages/sec
Background blur 38.2 images/sec 25 images/sec
Photo processing 87.9 images/sec 42.1 images/sec
Ray tracing 11.8 Mpixels/sec 7.03 Mpixels/sec
Sources: GeekBench [1], [2] – 1007 & 789 samples

PassMark

Synthetic test that focuses on raw computational performance for low-level functions
Passmark CPU (Single-Core)
Core i5 1335U +59%
3248
Core i3 N305
2040
Passmark CPU (Multi-Core)
Core i5 1335U +47%
13813
Core i3 N305
9377
Integer math 49.7 GOps/sec 32.8 GOps/sec
Floating point math 33.9 GOps/sec 21.9 GOps/sec
Find prime numbers 47M Primes/sec 23M Primes/sec
Random string sorting 17.5M Strings/sec 13.8M Strings/sec
Data encryption 9.7 GBytes/sec 7.6 GBytes/sec
Data compression 154.4 MBytes/sec 111 MBytes/sec
Physics 819 Frames/sec 527 Frames/sec
Extended instructions 8.7B Matrices/sec 5.7B Matrices/sec
Sources: PassMark [3], [4] – 3604 & 1152 samples

Blender

3D rendering test that measures CPU performance in 3D modeling tasks (uses all cores)
Blender CPU
Core i5 1335U +38%
80.21
Core i3 N305
58.26

Performance Per Watt

Shows the score you get per each watt of PL1 TDP
Cinebench 2024 / Watt 26.5 PPW 16.1 PPW
Geekbench 6 Multi / Watt 505.8 PPW 351.8 PPW
Passmark CPU Mark / Watt 920.9 PPW 625.1 PPW
Blender / Watt 5.35 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 1335U
DateBenchmarkResult
πŸ“˜ 2026-05-15 (Melkon)Geekbench 6 CPU2317 / 7898
πŸ“˜ 2026-05-15 (Melkon)Geekbench 6 CPU2391 / 7543
πŸ“˜ 2025-06-05 (John Wick)Geekbench 6 CPU2347 / 8190
πŸ“˜ 2025-06-05 (John Wick)Cinebench 202495 / 397
Add View all (4)
Intel Core i3 N305
DateBenchmarkResult
πŸ“˜ 2025-10-13 (Aleman82)Geekbench 6 CPU1264 / 3791
πŸ“˜ 2025-10-08 (Kbzabeto82)Geekbench 6 CPU1264 / 3791
Add View all (2)

Specifications

Full technical specification of Intel Core i5 1335U and i3 N305

General

Vendor Intel Intel
Released January 3, 2023 January 3, 2023
Type Laptop Laptop
Instruction Set x86-64 x86-64
Codename Raptor Lake Alder Lake
Model number i5-1335U i3-N305
Integrated GPU Iris Xe Graphics (80EU) UHD Graphics (32EU)
Rival Equivalent - AMD Ryzen 5 7535U -
Successor - Intel Core Ultra 5 225U -
Intel CPU rating (#191st place)

CPU

Performance Cores
P-Cores 2 -
P-Threads 4 -
Base Frequency (P) 1.3 GHz -
Turbo Boost Frequency (P) 4.6 GHz -
Efficient Cores
E-Cores 8 8
E-Threads 8 8
Base Frequency (E) 0.9 GHz 1.8 GHz
Turbo Boost Frequency (E) 3.4 GHz 3.9 GHz
Total
Total Cores 10 8
Total Threads 12 8
Bus Frequency 100 MHz 100 MHz
Multiplier 13x 18x
L1 Cache 80K (per core) 96K (per core)
L2 Cache 1280K (per core) 2MB (shared)
L3 Cache 12MB (shared) 6MB (shared)
Unlocked Multiplier No No

Package

Fabrication Process 10 nm 10 nm
TDP (PL1) 12-15 W (configurable) 9-15 W (configurable)
Max. Boost TDP (PL2) 55 W -
Socket BGA-1744 BGA-1744
Peak Temperature 100Β°C 105Β°C

iGPU

Integrated Graphics Intel Iris Xe Graphics (80EU) Intel UHD Graphics (32EU)
GPU Base Clock 300 MHz 300 MHz
GPU Boost Clock 1250 MHz 1250 MHz
Shading Units 640 256
TMUs 40 16
ROPs 20 8
Execution Units 80 32
TGP 15 W 15 W
iGPU FLOPS
Core i5 1335U +167%
1.6 TFLOPS
Core i3 N305
0.6 TFLOPS
More info: UHD Graphics Xe (32 EU) compared to Iris Xe Graphics G7 (80EU)

Memory Support

Memory Types - DDR5-5200
- DDR4-3200
- LPDDR5-6400
- LPDDR5x-6400
- LPDDR4x-4267		 - DDR5-4800
- DDR4-3200
- LPDDR5-4800
Max. Memory Size 96 GB 16 GB
Memory Channels 2 1
ECC Support No No

Misc

Official Site Intel Core i5 1335U official page Intel Core i3 N305 official page
PCI Express Version 4.0 3.0
PCI Express Lanes 20 9

Cast your vote

Choose between two processors
29 (74.4%)
10 (25.6%)
Total votes: 39

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Comments

So which CPU will you choose: Intel Core i3 N305 or i5 1335U?
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