Home > CPU Comparison > Core i5 1235U or Core i3 1315U: what's better?

Intel Core i5 1235U vs i3 1315U

43 out of 100
Intel Core i5 1235U
VS
41 out of 100
Intel Core i3 1315U
Intel Core i5 1235U
Intel Core i3 1315U

We compared two laptop CPUs: the 1.3 GHz Intel Core i5 1235U with 10-cores against the 1.2 GHz i3 1315U 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.
πŸ”Œ Usage Scenario:

Key Differences

What are the key differences between 1315U and 1235U
Advantages of Intel Core i5 1235U
  • Has 4 more physical cores
  • Has 2 MB larger L3 cache size
  • More powerful Intel Iris Xe Graphics (80EU) integrated graphics: 1.5 vs 1.3 TFLOPS
Advantages of Intel Core i3 1315U
  • Supports up to 96 GB DDR5-5200 RAM
  • Newer - released 10 months later
  • 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 i5 1235U
vs
Core i3 1315U

Cinebench

Reputable cross-platform benchmark for high-performance processors
Cinebench 2024 (Single)
Cinebench 2024 (Multi)
Cinebench 2026 (Single) 400 -
Cinebench 2026 (Multi) 1046 -
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)
File compression 448.4 MB/sec 683.7 MB/sec
Clang compilation 24.1 Klines/sec 36.1 Klines/sec
HTML 5 Browser 156 pages/sec 145.5 pages/sec
PDF Renderer 128.9 Mpixels/sec 161.2 Mpixels/sec
Text processing 206.3 pages/sec 183.4 pages/sec
Background blur 34.7 images/sec 27.8 images/sec
Photo processing 54.1 images/sec 65.3 images/sec
Ray tracing 10.5 Mpixels/sec 7.89 Mpixels/sec
Sources: GeekBench [1], [2] – 545 & 772 samples

PassMark

Synthetic test that focuses on raw computational performance for low-level functions
Passmark CPU (Single-Core)
Passmark CPU (Multi-Core)
Core i5 1235U +13%
12449
Core i3 1315U
11019
Integer math 47.4 GOps/sec 36.8 GOps/sec
Floating point math 37.4 GOps/sec 26.2 GOps/sec
Find prime numbers 534M Primes/sec 39M Primes/sec
Random string sorting 16.6M Strings/sec 13.5M Strings/sec
Data encryption 9 GBytes/sec 7.3 GBytes/sec
Data compression 143.4 MBytes/sec 121 MBytes/sec
Physics 649 Frames/sec 673 Frames/sec
Extended instructions 7.9B Matrices/sec 7.1B Matrices/sec
Sources: PassMark [3], [4] – 8323 & 1207 samples

Blender

3D rendering test that measures CPU performance in 3D modeling tasks (uses all cores)
Blender CPU
Core i5 1235U +47%
80.33
Core i3 1315U
54.55

Performance Per Watt

Shows the score you get per each watt of PL1 TDP
Cinebench 2024 / Watt 24.5 PPW 16.4 PPW
Geekbench 6 Multi / Watt 424.1 PPW 403.1 PPW
Passmark CPU Mark / Watt 829.9 PPW 734.6 PPW
Blender / Watt 5.36 PPW 3.64 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 1235U
DateBenchmarkResult
πŸ“˜ 2026-08-15 (zoetje)Cinebench 2026400 / 1046
πŸ“˜ 2026-08-09 (Jubayer)Cinebench 202486 / 393
πŸ“˜ 2026-05-06 (TASIN AMIR)Geekbench 6 CPU2191 / 7204
πŸ“˜ 2026-03-08 -> samueltailsGeekbench 6 CPU2147 / 6050
πŸ“˜ 2025-01-13 (sauron269)Cinebench 202498 / 368
Add View all (5)
Intel Core i3 1315U
DateBenchmarkResult
πŸ“˜ 2026-06-23 (Marnaut)Geekbench 6 CPU2425 / 6660
πŸ“˜ 2026-05-15 (Melkon)Geekbench 6 CPU2311 / 6598
πŸ“˜ 2025-02-10 (Cs.G.)Cinebench 202492 / 246
Add View all (3)

Specifications

Full technical specification of Intel Core i5 1235U and i3 1315U

General

Vendor Intel Intel
Released February 23, 2022 January 3, 2023
Type Laptop Laptop
Instruction Set x86-64 x86-64
Codename Alder Lake Raptor Lake
Model number i5-1235U i3-1315U
Integrated GPU Iris Xe Graphics (80EU) UHD Graphics (64EU)
Rival Equivalent - - AMD Ryzen 3 7330U
Successor - Intel Core Ultra 5 225U - Intel Core 3 100U
Intel CPU rating (#199th place)

CPU

Performance Cores
P-Cores 2 2
P-Threads 4 4
Base Frequency (P) 1.3 GHz 1.2 GHz
Turbo Boost Frequency (P) 4.4 GHz 4.5 GHz
Efficient Cores
E-Cores 8 4
E-Threads 8 4
Base Frequency (E) 0.9 GHz 0.9 GHz
Turbo Boost Frequency (E) 3.3 GHz 3.3 GHz
Total
Total Cores 10 6
Total Threads 12 8
Bus Frequency 100 MHz 100 MHz
Multiplier 13x 12x
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
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 100Β°C 100Β°C

iGPU

Integrated Graphics Intel Iris Xe Graphics (80EU) Intel UHD Graphics (64EU)
GPU Base Clock 300 MHz 300 MHz
GPU Boost Clock 1200 MHz 1250 MHz
Shading Units 640 512
TMUs 40 32
ROPs 20 16
Execution Units 80 64
TGP 15 W 15 W
iGPU FLOPS
Core i5 1235U +15%
1.5 TFLOPS
Core i3 1315U
1.3 TFLOPS
More info: UHD Graphics (64 EU) compared to Iris Xe Graphics G7 (80EU)

Memory Support

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

Misc

Official Site Intel Core i5 1235U official page Intel Core i3 1315U official page
PCI Express Version 4.0 4.0
PCI Express Lanes 20 20

Cast your vote

Choose between two processors
394 (38.9%)
619 (61.1%)
Total votes: 1013

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6. Intel Core i5 1235U vs Intel Core i5 1335U (5)
7. Intel Core i5 1235U vs AMD Ryzen 5 7530U (7)
8. Intel Core i5 1235U vs Intel Core i3 1215U (10)
9. Intel Core i5 1235U vs AMD Ryzen 7 7730U (1)
10. Intel Core i5 1235U vs Intel Core i7 1255U (2)
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Comments

So which CPU will you choose: Intel Core i3 1315U or i5 1235U?
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