Intel Core i7 1355U vs AMD Ryzen 5 7640HS

We compared two laptop CPUs: the 1.7 GHz Intel Core i7 1355U with 10-cores against the 4.3 GHz AMD Ryzen 5 7640HS with 6-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
DeviceFacts 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 7640HS and 1355U
Advantages of Intel Core i7 1355U
  • Has 4 more physical cores
Advantages of AMD Ryzen 5 7640HS
  • Supports up to 256 GB DDR5-5600 RAM
  • More modern manufacturing process โ€“ 4 versus 10 nanometers
  • More powerful Radeon 760M integrated graphics: 2.7 vs 2 TFLOPS
  • Has 4 MB larger L3 cache size

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)
10193
File compression 519.7 MB/sec 1000 MB/sec
Clang compilation 58.7 Klines/sec 76.6 Klines/sec
HTML 5 Browser 159 pages/sec 188.1 pages/sec
PDF Renderer 219.7 Mpixels/sec 254.4 Mpixels/sec
Text processing 221.5 pages/sec 263.2 pages/sec
Background blur 33.4 images/sec 52.6 images/sec
Photo processing 64.2 images/sec 75.4 images/sec
Ray tracing 12.5 Mpixels/sec 17.3 Mpixels/sec
Sources: GeekBench [1], [2] โ€“ 653 & 756 samples

PassMark

Synthetic test that focuses on raw computational performance for low-level functions
Passmark CPU (Single-Core)
Passmark CPU (Multi-Core)
22658
Integer math 50.4 GOps/sec 72.3 GOps/sec
Floating point math 33.9 GOps/sec 44.5 GOps/sec
Find prime numbers 48M Primes/sec 78M Primes/sec
Random string sorting 17.2M Strings/sec 31.6M Strings/sec
Data encryption 9.6 GBytes/sec 15.6 GBytes/sec
Data compression 152.3 MBytes/sec 263.6 MBytes/sec
Physics 844 Frames/sec 1158 Frames/sec
Extended instructions 8.5B Matrices/sec 20B Matrices/sec
Sources: PassMark [3], [4] โ€“ 3976 & 993 samples

Blender

3D rendering test that measures CPU performance in 3D modeling tasks (uses all cores)
Blender CPU
162.06

Performance Per Watt

Shows the score you get per each watt of PL1 TDP
Cinebench 2024 / Watt 33.9 PPW 13.7 PPW
Geekbench 6 Multi / Watt 503.5 PPW 188.8 PPW
Passmark CPU Mark / Watt 923.3 PPW 419.6 PPW
Blender / Watt 6.32 PPW 3 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
AMD Ryzen 5 7640HS
DateBenchmarkResult
๐Ÿ“˜ 2025-02-23 (Jakabfi Zsolt)Cinebench 2024102 / 739

Specifications

Full technical specification of Intel Core i7 1355U and AMD Ryzen 5 7640HS

General

Vendor Intel Amd
Released January 3, 2023 January 4, 2023
Type Laptop Laptop
Instruction Set x86-64 x86-64
Codename Raptor Lake Zen 4 (Phoenix)
Model number i7-1355U -
Integrated GPU Iris Xe Graphics (96EU) Radeon 760M
Rival Equivalent - - Intel Core i5 13420H
Successor - Intel Core Ultra 7 255U - AMD Ryzen 5 8640HS
Intel CPU rating (#159th place)
AMD Ryzen CPU ranking (#87th place)

CPU

Performance Cores
P-Cores 2 6
P-Threads 4 12
Base Frequency (P) 1.7 GHz 4.3 GHz
Turbo Boost Frequency (P) 5 GHz 5 GHz
Efficient Cores
E-Cores 8 -
E-Threads 8 -
Base Frequency (E) 1.2 GHz -
Turbo Boost Frequency (E) 3.7 GHz -
Total
Total Cores 10 6
Total Threads 12 12
Bus Frequency 100 MHz 100 MHz
Multiplier 17x 43x
L1 Cache 80K (per core) 64K (per core)
L2 Cache 1280K (per core) 1MB (per core)
L3 Cache 12MB (shared) 16MB (shared)
Unlocked Multiplier No No

Package

Transistors - 25 billions
Fabrication Process 10 nm 4 nm
TDP (PL1) 12-15 W (configurable) 35-54 W (configurable)
Max. Boost TDP (PL2) 55 W -
Socket BGA-1744 FP8
Peak Temperature 100ยฐC 100ยฐC

iGPU

Integrated Graphics Intel Iris Xe Graphics (96EU) Radeon 760M
GPU Base Clock 300 MHz 800 MHz
GPU Boost Clock 1300 MHz 2600 MHz
Shading Units 768 512
TMUs 48 32
ROPs 24 16
Execution Units 96 8
TGP 15 W 15 W
iGPU FLOPS
2 TFLOPS
2.7 TFLOPS

Memory Support

Memory Types - DDR5-5200
- DDR4-3200
- LPDDR5-6400
- LPDDR5x-6400
- LPDDR4x-4267
- DDR5-5600
- LPDDR5x-7500
Max. Memory Size 96 GB 256 GB
Memory Channels 2 2
ECC Support No No

Misc

Official Site Intel Core i7 1355U official page AMD Ryzen 5 7640HS official page
PCI Express Version 4.0 4.0
PCI Express Lanes 20 20
Further details
Notes on Ryzen 5 7640HS:
    - ECC support is available exclusively on the FP7r2 socket.

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Total votes: 10

Comments

So which CPU will you choose: AMD Ryzen 5 7640HS or Intel Core i7 1355U?
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