Intel Core i7 1355U vs i5 1340P

We compared two laptop CPUs: the 1.7 GHz Intel Core i7 1355U with 10-cores against the 1.9 GHz i5 1340P with 12-cores. On this page, you'll find out which processor has better performance in benchmarks, games and other useful information.

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 1340P and 1355U
Advantages of Intel Core i7 1355U
  • 9% higher Turbo Boost frequency (5 GHz vs 4.6 GHz)
  • 10% faster in a single-core Geekbench v6 test - 2466 vs 2251 points
Advantages of Intel Core i5 1340P
  • Has 2 more physical cores

Test in Benchmarks

Comparing the performance of CPUs across various tasks

Cinebench

Reputable cross-platform benchmark for high-performance processors
Cinebench 2024 (Single)
Cinebench 2024 (Multi)

GeekBench v6

The new version of this benchmark emulates common operations often used in real-world apps
Geekbench 6 (Single-Core)
2466
Geekbench 6 (Multi-Core)
9287
File compression 519.7 MB/sec 984.6 MB/sec
Clang compilation 58.7 Klines/sec 72 Klines/sec
HTML 5 Browser 159 pages/sec 186.8 pages/sec
PDF Renderer 219.7 Mpixels/sec 319.8 Mpixels/sec
Text processing 221.5 pages/sec 225.4 pages/sec
Background blur 33.4 images/sec 42.1 images/sec
Photo processing 64.2 images/sec 87.8 images/sec
Ray tracing 12.5 Mpixels/sec 11.2 Mpixels/sec
Sources: GeekBench [1], [2] โ€“ 653 & 837 samples

PassMark

Synthetic test that focuses on raw computational performance for low-level functions
Passmark CPU (Single-Core)
Passmark CPU (Multi-Core)
18314
Integer math 50.4 GOps/sec 68.1 GOps/sec
Floating point math 33.9 GOps/sec 47.3 GOps/sec
Find prime numbers 48M Primes/sec 58M Primes/sec
Random string sorting 17.2M Strings/sec 23.4M Strings/sec
Data encryption 9.6 GBytes/sec 12.5 GBytes/sec
Data compression 152.3 MBytes/sec 211.4 MBytes/sec
Physics 844 Frames/sec 1060 Frames/sec
Extended instructions 8.5B Matrices/sec 12.2B Matrices/sec
Sources: PassMark [3], [4] โ€“ 3976 & 870 samples

Blender

3D rendering test that measures CPU performance in 3D modeling tasks (uses all cores)
Blender CPU
117.23

Performance Per Watt

Shows the score you get per each watt of PL1 TDP
Cinebench 2024 / Watt 33.9 PPW 25.3 PPW
Geekbench 6 Multi / Watt 503.5 PPW 331.7 PPW
Passmark CPU Mark / Watt 923.3 PPW 654.1 PPW
Blender / Watt 6.32 PPW 4.19 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 i7 1355U
DateBenchmarkResult
๐Ÿ“˜ 2026-04-28 (Linode)Geekbench 6 CPU2435 / 7355
Intel Core i5 1340P
DateBenchmarkResult
๐Ÿ“˜ 2025-03-23 (Geg)Cinebench 202498 / 708

Specifications

Full technical specification of Intel Core i7 1355U and i5 1340P

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 i7-1355U i5-1340P
Integrated GPU Iris Xe Graphics (96EU) Iris Xe Graphics (80EU)
Rival Equivalent - - AMD Ryzen 5 7530U
Successor - Intel Core Ultra 7 255U -
Intel CPU rating (160th and 161st place)

CPU

Performance Cores
P-Cores 2 4
P-Threads 4 8
Base Frequency (P) 1.7 GHz 1.9 GHz
Turbo Boost Frequency (P) 5 GHz 4.6 GHz
Efficient Cores
E-Cores 8 8
E-Threads 8 8
Base Frequency (E) 1.2 GHz 1.4 GHz
Turbo Boost Frequency (E) 3.7 GHz 3.4 GHz
Total
Total Cores 10 12
Total Threads 12 16
Bus Frequency 100 MHz 100 MHz
Multiplier 17x 19x
L1 Cache 80K (per core) 80K (per core)
L2 Cache 1280K (per core) 2MB (per core)
L3 Cache 12MB (shared) 12MB (shared)
Unlocked Multiplier No No

Package

Fabrication Process 10 nm 10 nm
TDP (PL1) 12-15 W (configurable) 20-28 W (configurable)
Max. Boost TDP (PL2) 55 W 64 W
Socket BGA-1744 BGA-1744
Peak Temperature 100ยฐC 100ยฐC

iGPU

Integrated Graphics Intel Iris Xe Graphics (96EU) Intel Iris Xe Graphics (80EU)
GPU Base Clock 300 MHz 300 MHz
GPU Boost Clock 1300 MHz 1450 MHz
Shading Units 768 640
TMUs 48 40
ROPs 24 20
Execution Units 96 80
TGP 15 W 15 W
iGPU FLOPS
2 TFLOPS
1.9 TFLOPS

Memory Support

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

Misc

Official Site Intel Core i7 1355U official page Intel Core i5 1340P official page
PCI Express Version 4.0 4.0
PCI Express Lanes 20 20

Cast your vote

Choose between two processors
46 (25.7%)
133 (74.3%)
Total votes: 179

Comments

So which CPU will you choose: Intel Core i5 1340P or i7 1355U?
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