Intel Core i7 13620H vs i7 1355U

We compared two 10-core laptop CPUs: the 2.4 GHz Intel Core i7 13620H against the 1.7 GHz i7 1355U. 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
DeviceFacts 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 1355U and 13620H
Advantages of Intel Core i7 13620H
  • Has 12 MB larger L3 cache size, helping fully utilize a high-end GPU in gaming
  • Newer PCI Express version – 5.0
Advantages of Intel Core i7 1355U
  • More powerful Intel Iris Xe Graphics (96EU) integrated graphics: 2 vs 1.5 TFLOPS
  • 2% higher Turbo Boost frequency (5 GHz vs 4.9 GHz)

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)
Geekbench 6 (Multi-Core)
12296
File compression 1100 MB/sec 519.7 MB/sec
Clang compilation 86.7 Klines/sec 58.7 Klines/sec
HTML 5 Browser 293.8 pages/sec 159 pages/sec
PDF Renderer 338.2 Mpixels/sec 219.7 Mpixels/sec
Text processing 251.9 pages/sec 221.5 pages/sec
Background blur 52.1 images/sec 33.4 images/sec
Photo processing 107.8 images/sec 64.2 images/sec
Ray tracing 20 Mpixels/sec 12.5 Mpixels/sec
Sources: GeekBench [1], [2] – 978 & 653 samples

PassMark

Synthetic test that focuses on raw computational performance for low-level functions
Passmark CPU (Single-Core)
Passmark CPU (Multi-Core)
23250
Integer math 79.1 GOps/sec 50.4 GOps/sec
Floating point math 58.1 GOps/sec 33.9 GOps/sec
Find prime numbers 94M Primes/sec 48M Primes/sec
Random string sorting 28.5M Strings/sec 17.2M Strings/sec
Data encryption 15 GBytes/sec 9.6 GBytes/sec
Data compression 270 MBytes/sec 152.3 MBytes/sec
Physics 1561 Frames/sec 844 Frames/sec
Extended instructions 16.8B Matrices/sec 8.5B Matrices/sec
Sources: PassMark [3], [4] – 7401 & 3976 samples

Blender

3D rendering test that measures CPU performance in 3D modeling tasks (uses all cores)
Blender CPU
185.51

Performance Per Watt

Shows the score you get per each watt of PL1 TDP
Cinebench 2024 / Watt 18.1 PPW 33.9 PPW
Geekbench 6 Multi / Watt 273.2 PPW 503.5 PPW
Passmark CPU Mark / Watt 516.7 PPW 923.3 PPW
Blender / Watt 4.12 PPW 6.32 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 13620H
DateBenchmarkResult
πŸ“˜ 2026-09-20 (Texar)Cinebench 2026531 / 1297
πŸ“˜ 2026-07-17 (kam)Geekbench 6 CPU2647 / 13329
πŸ“˜ 2026-06-03 (Sus Go0d)Geekbench 6 CPU2523 / 11616
πŸ“˜ 2026-04-23 (Gigant)Geekbench 6 CPU2644 / 11794
πŸ“˜ 2026-04-23 (Gigant)Cinebench 2024113 / 914
Intel Core i7 1355U
DateBenchmarkResult
πŸ“˜ 2026-04-28 (Linode)Geekbench 6 CPU2435 / 7355

Specifications

Full technical specification of Intel Core i7 13620H and i7 1355U

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 i7-13620H i7-1355U
Integrated GPU UHD Graphics (64EU) Iris Xe Graphics (96EU)
Rival Equivalent - AMD Ryzen 7 7735HS -
Successor - Intel Core 7 240H - Intel Core Ultra 7 255U
Intel CPU rating (122nd and 159th place)

CPU

Performance Cores
P-Cores 6 2
P-Threads 12 4
Base Frequency (P) 2.4 GHz 1.7 GHz
Turbo Boost Frequency (P) 4.9 GHz 5 GHz
Efficient Cores
E-Cores 4 8
E-Threads 4 8
Base Frequency (E) 1.8 GHz 1.2 GHz
Turbo Boost Frequency (E) 3.6 GHz 3.7 GHz
Total
Total Cores 10 10
Total Threads 16 12
Bus Frequency 100 MHz 100 MHz
Multiplier 24x 17x
L1 Cache 80K (per core) 80K (per core)
L2 Cache 2MB (per core) 1280K (per core)
L3 Cache 24MB (shared) 12MB (shared)
Unlocked Multiplier No No

Package

Fabrication Process 10 nm 10 nm
TDP (PL1) 35-45 W (configurable) 12-15 W (configurable)
Max. Boost TDP (PL2) 115 W 55 W
Socket BGA-1744 BGA-1744
Peak Temperature 100Β°C 100Β°C

iGPU

Integrated Graphics Intel UHD Graphics (64EU) Intel Iris Xe Graphics (96EU)
GPU Base Clock 300 MHz 300 MHz
GPU Boost Clock 1500 MHz 1300 MHz
Shading Units 512 768
TMUs 32 48
ROPs 16 24
Execution Units 64 96
TGP 15 W 15 W
iGPU FLOPS
1.5 TFLOPS
2 TFLOPS

Memory Support

Memory Types - DDR5-5200
- DDR4-3200
- LPDDR5-5200
- LPDDR5x-5200
- 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 13620H official page Intel Core i7 1355U official page
PCI Express Version 5.0 4.0
PCI Express Lanes 28 20

Cast your vote

Choose between two processors
90 (80.4%)
22 (19.6%)
Total votes: 112

Comments

So which CPU will you choose: Intel Core i7 1355U or i7 13620H?
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