Home > CPU Comparison > Core i3 1305U or Core i3 1215U: what's better?

Intel Core i3 1305U vs i3 1215U

40 out of 100
Intel Core i3 1305U
VS
42 out of 100
Intel Core i3 1215U
Intel Core i3 1305U
Intel Core i3 1215U

We compared two laptop CPUs: the 1.6 GHz Intel Core i3 1305U with 5-cores against the 1.2 GHz i3 1215U with 6-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
NanoReview Final Score
Choose your main usage scenario to recalculate the Final Score and see which CPU suits your needs.
๐Ÿ”Œ Usage Scenario:

Key Differences

What are the key differences between 1215U and 1305U
Advantages of Intel Core i3 1305U
  • Supports up to 96 GB DDR5-5200 RAM
  • Newer - released 11 months later
  • More powerful Intel UHD Graphics (64EU) integrated graphics: 1.3 vs 1.1 TFLOPS
  • 2% higher Turbo Boost frequency (4.5 GHz vs 4.4 GHz)

Test in Benchmarks

Comparing the performance of CPUs across various tasks
CPU:
Core i3 1305U
vs
Core i3 1215U

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)
Geekbench 6 (Multi-Core)
Core i3 1305U
4528
Core i3 1215U +25%
5662
File compression 544.7 MB/sec 356.7 MB/sec
Clang compilation 21.9 Klines/sec 45.1 Klines/sec
HTML 5 Browser 111.2 pages/sec 117.1 pages/sec
PDF Renderer 113.3 Mpixels/sec 180.5 Mpixels/sec
Text processing 221.1 pages/sec 224.7 pages/sec
Background blur 18.9 images/sec 18.9 images/sec
Photo processing 46.9 images/sec 54.2 images/sec
Ray tracing 7.07 Mpixels/sec 9.45 Mpixels/sec
Sources: GeekBench [1], [2] โ€“ 54 & 1106 samples

PassMark

Synthetic test that focuses on raw computational performance for low-level functions
Passmark CPU (Single-Core)
Passmark CPU (Multi-Core)
Core i3 1305U
8443
Core i3 1215U +20%
10106
Integer math 26.5 GOps/sec 34.4 GOps/sec
Floating point math 18.7 GOps/sec 24.6 GOps/sec
Find prime numbers 35M Primes/sec 30M Primes/sec
Random string sorting 10.6M Strings/sec 12.7M Strings/sec
Data encryption 5.7 GBytes/sec 6.8 GBytes/sec
Data compression 90.4 MBytes/sec 113.1 MBytes/sec
Physics 513 Frames/sec 546 Frames/sec
Extended instructions 5.1B Matrices/sec 6.7B Matrices/sec
Sources: PassMark [3], [4] โ€“ 737 & 3915 samples

Blender

3D rendering test that measures CPU performance in 3D modeling tasks (uses all cores)
Blender CPU
Core i3 1305U
25.72
Core i3 1215U +129%
58.9

Performance Per Watt

Shows the score you get per each watt of PL1 TDP
Cinebench 2024 / Watt 16.1 PPW 18.9 PPW
Geekbench 6 Multi / Watt 301.9 PPW 377.5 PPW
Passmark CPU Mark / Watt 562.9 PPW 673.7 PPW
Blender / Watt 1.71 PPW 3.93 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 i3 1305U
No benchmark results yet
Add
Intel Core i3 1215U
DateBenchmarkResult
๐Ÿ“˜ 2025-04-11 (Shanmukh)GeekBench2126 / 6248
๐Ÿ“˜ 2023-11-06 (goryn81)Cinebench 202489 / 283
Add View all (2)

Specifications

Full technical specification of Intel Core i3 1305U and i3 1215U

General

Vendor Intel Intel
Released January 3, 2023 February 23, 2022
Type Laptop Laptop
Instruction Set x86-64 x86-64
Codename Raptor Lake Alder Lake
Model number i3-1305U i3-1215U
Integrated GPU UHD Graphics (64EU) UHD Graphics (64EU)
Rival Equivalent - AMD Ryzen 3 7330U -
Successor - - Intel Core 3 100U

CPU

Performance Cores
P-Cores 1 2
P-Threads 2 4
Base Frequency (P) 1.6 GHz 1.2 GHz
Turbo Boost Frequency (P) 4.5 GHz 4.4 GHz
Efficient Cores
E-Cores 4 4
E-Threads 4 4
Base Frequency (E) 1.2 GHz 0.9 GHz
Turbo Boost Frequency (E) 3.3 GHz 3.3 GHz
Total
Total Cores 5 6
Total Threads 6 8
Bus Frequency 100 MHz 100 MHz
Multiplier 16x 12x
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

Package

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

iGPU

Integrated Graphics Intel UHD Graphics (64EU) Intel UHD Graphics (64EU)
GPU Base Clock 300 MHz 300 MHz
GPU Boost Clock 1250 MHz 1100 MHz
Shading Units 512 512
TMUs 32 32
ROPs 16 16
Execution Units 64 64
TGP 15 W 15 W
iGPU FLOPS
Core i3 1305U +18%
1.3 TFLOPS
Core i3 1215U
1.1 TFLOPS
See: Intel UHD Graphics (64 EU) benchmarks

Memory Support

Memory Types - DDR5-5200
- DDR4-3200
- LPDDR5-5200
- LPDDR5x-5200
- LPDDR4x-4267		 - DDR5-4800
- DDR4-3200
- LPDDR5-5200
- LPDDR4x-4267
Max. Memory Size 96 GB 64 GB
Memory Channels 2 2
ECC Support No No

Misc

Official Site Intel Core i3 1305U official page Intel Core i3 1215U official page
PCI Express Version 4.0 4.0
PCI Express Lanes 20 20

Cast your vote

Choose between two processors
114 (21.6%)
414 (78.4%)
Total votes: 528

Competitors

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2. Intel Core i3 1215U vs Intel Core i5 1235U (10)
3. Intel Core i3 1215U vs Intel Core i3 N305 (6)
4. Intel Core i3 1215U vs Intel Processor N100 (1)
5. Intel Core i3 1215U vs AMD Ryzen 5 7520U
6. Intel Core i3 1215U vs AMD Ryzen 3 7320U (6)
7. Intel Core i3 1215U vs Intel Core i3 1315U (5)
8. Intel Core i3 1305U vs Intel Core i3 1315U
9. Intel Core i3 1305U vs AMD Ryzen 3 7320U
10. Intel Core i3 1305U vs Intel Core i3 N305
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Comments

So which CPU will you choose: Intel Core i3 1215U or i3 1305U?
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