Home > CPU Comparisons > Core i5 1335U or Core i3 1305U: what's better?

Intel Core i5 1335U vs i3 1305U

Intel Core i5 1335U
VS
Intel Core i3 1305U
Intel Core i5 1335U
Intel Core i3 1305U

We compared two laptop CPUs: the 1.3 GHz Intel Core i5 1335U with 10-cores against the 1.6 GHz i3 1305U with 5-cores. On this page, you'll find out which processor has better performance in benchmarks, games and other useful information.

Please note that the tests on the i3 1305U are done on engineering sample provided by our insiders. The data will be more accurate after we get the final version of this CPU.
  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 electricity consumption
NanoReview Final Score
Generic CPU rating

Key Differences

What are the key differences between 1305U and 1335U
Advantages of Intel Core i5 1335U
  • Has 5 more physical cores
  • Has 2048 KB larger L3 cache size
  • 11% faster in a single-core Geekbench v5 test - 1704 vs 1532 points
  • 2% higher Turbo Boost frequency (4.6 GHz vs 4.5 GHz)

Benchmarks

Comparing the performance of CPUs in benchmarks
Cinebench R23 (Single-Core)
Cinebench R23 (Multi-Core)
Core i5 1335U +71%
7373
Core i3 1305U
4322
Passmark CPU (Single-Core)
Passmark CPU (Multi-Core)
Geekbench 5 (Single-Core)
Core i5 1335U +11%
1713
Core i3 1305U
1543
Geekbench 5 (Multi-Core)
Core i5 1335U +49%
7550
Core i3 1305U
5070
Submit your Cinebench R23 result

Specifications

Full technical specification of Intel Core i5 1335U and i3 1305U

General

Vendor Intel Intel
Released January 3, 2023 January 3, 2023
Type Laptop Laptop
instruction set x86-64 x86-64
Codename Raptor Lake Raptor Lake
Model number i5-1335U i3-1305U
Integrated GPU Iris Xe Graphics (80EU) UHD Graphics (64EU)

CPU

Performance Cores
P-Cores 2 1
P-Threads 4 2
Base Frequency (P) 1.3 GHz 1.6 GHz
Turbo Boost Frequency (P) 4.6 GHz 4.5 GHz
Efficient Cores
E-Cores 8 4
E-Threads 8 4
Base Frequency (E) 0.9 GHz 1.3 GHz
Turbo Boost Frequency (E) 3.4 GHz 3.3 GHz
Total
Total Cores 10 5
Total Threads 12 6
Bus Frequency 100 MHz 100 MHz
Multiplier 13x 16x
L1 Cache 80K (per core) 80K (per core)
L2 Cache 1280K (per core) 1280K (per core)
L3 Cache 12MB (shared) 10MB (shared)
Unlocked Multiplier No No

Package

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

iGPU

Integrated Graphics Intel Iris Xe Graphics (80EU) Intel UHD Graphics (64EU)
GPU Base Clock 300 MHz 300 MHz
GPU Boost Clock 1250 MHz 1250 MHz
Shading Units 640 512
TMUs 40 32
ROPs 20 16
Execution Units 80 64
TGP 15 W 45 W
iGPU FLOPS
Core i5 1335U
1.41 TFLOPS
Core i3 1305U
1.43 TFLOPS

Memory Support

Memory types DDR5-5200, DDR4-3200, LPDDR5-6400, LPDDR5x-6400, LPDDR4x-4267 DDR5-5200, DDR4-3200, LPDDR5-5200, LPDDR5x-5200, LPDDR4x-4267
Memory Size 64 GB 64 GB
Max. Memory Channels 2 2
ECC Support No No

Misc

Official site Intel Core i5 1335U official page Intel Core i3 1305U official page
PCI Express Version 4.0 4.0
PCI Express Lanes 20 20

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Сompetitors

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6. Intel Core i3 1305U or i3 1315U
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Comments

So which CPU will you choose: Intel Core i3 1305U or i5 1335U?
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