Intel Core i3 1315U vs i3 1305U

We compared two laptop CPUs: the 1.2 GHz Intel Core i3 1315U with 6-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.


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 1305U and 1315U
Advantages of Intel Core i3 1315U
  • 9% faster in a single-core Geekbench v6 test - 1897 vs 1737 points

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 620.1 MB/sec 407.1 MB/sec
Clang compilation 35.4 Klines/sec 35.3 Klines/sec
HTML 5 Browser 116.5 pages/sec 98.8 pages/sec
PDF Renderer 145.4 Mpixels/sec 150.6 Mpixels/sec
Text processing 157.7 pages/sec 177.2 pages/sec
Background blur 23 images/sec 19.9 images/sec
Photo processing 53.8 images/sec 35.7 images/sec
Ray tracing 7.27 Mpixels/sec 4.45 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 39.5 GOps/sec 28.9 GOps/sec
Floating point math 28.4 GOps/sec 21.5 GOps/sec
Find prime numbers 48M Primes/sec 38M Primes/sec
Random string sorting 15.7M Strings/sec 12.2M Strings/sec
Data encryption 8.4 GBytes/sec 6.7 GBytes/sec
Data compression 138.5 MBytes/sec 108.9 MBytes/sec
Physics 800 Frames/sec 491 Frames/sec
Extended instructions 7.9B Matrices/sec 6.2B Matrices/sec
Sources: PassMark [3], [4]


Full technical specification of Intel Core i3 1315U and i3 1305U


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 i3-1315U i3-1305U
Integrated GPU UHD Graphics (64EU) UHD Graphics (64EU)


Performance Cores
P-Cores 2 1
P-Threads 4 2
Base Frequency (P) 1.2 GHz 1.6 GHz
Turbo Boost Frequency (P) 4.5 GHz 4.5 GHz
Efficient Cores
E-Cores 4 4
E-Threads 4 4
Base Frequency (E) 0.9 GHz 1.3 GHz
Turbo Boost Frequency (E) 3.3 GHz 3.3 GHz
Total Cores 6 5
Total Threads 8 6
Bus Frequency 100 MHz 100 MHz
Multiplier 12x 16x
L1 Cache 80K (per core) 80K (per core)
L2 Cache 1280K (per core) 1280K (per core)
L3 Cache 10MB (shared) 10MB (shared)
Unlocked Multiplier No No


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


Integrated Graphics Intel UHD Graphics (64EU) Intel UHD Graphics (64EU)
GPU Base Clock 300 MHz 300 MHz
GPU Boost Clock 1250 MHz 1250 MHz
Shading Units 512 512
TMUs 32 32
ROPs 16 16
Execution Units 64 64
TGP 45 W 45 W

Memory Support

Memory types - DDR5-5200
- DDR4-3200
- LPDDR5-5200
- LPDDR5x-5200
- 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


Official site Intel Core i3 1315U official page Intel Core i3 1305U official page
PCI Express Version 4.0 4.0
PCI Express Lanes 20 20

Cast your vote

Choose between two processors
12 (52.2%)
11 (47.8%)
Total votes: 23


So which CPU will you choose: Intel Core i3 1305U or i3 1315U?