AMD Ryzen 5 8640U vs AMD Ryzen 7 7445HS — Specifications, performance, tests

Differences
Specifications Benchmarks Testimonials

Differences

Reasons to consider
AMD Ryzen 5 8640U

Report a bug

Higher turbo clock speed

Around 4% higher specified turbo frequency

4.9 GHz 4.7 GHz
Lower stated TDP / base power

Power limits alone do not measure performance per watt.

28 W 35 W

Reasons to consider
AMD Ryzen 7 7445HS

Report a bug

Higher clock speed

Around 1% better clock speed

3.55 GHz 3.5 GHz

Specifications

Technical data

AMD Ryzen 5 8640U

AMD Ryzen 7 7445HS

CPU family and group

Background information about the processors being compared, series, generation and market segment.

Family

Ryzen Ryzen
Form Factor

Laptops / Desktops Laptops / Desktops
Segment

Mobile Mobile
Series

Ryzen 8000 Series Ryzen 7000 Series

CPU Technical specs

Core counts, threads, cache and clock modes describe the CPU configuration. Performance depends on the workload and comparable measured results.

Base Frequency

3.5 GHz 3.55 GHz
CPU Cores

6 6
CPU Threads

12 12
Max. Boost Clock

4.9 GHz 4.7 GHz
Overclocking

No -

IGPU

Internal Graphics does not affect the performance of the CPU, performs the work of the graphics card in its absence or on mobile devices.

GPU Frequency

2600 MHz 2700 MHz
GPU name

AMD Radeon 760M AMD Radeon 740M
Graphics Cores

8 4

Memory specs & PCI

Types, channel quantity of RAM supported by AMD Ryzen 7 7445HS and AMD Ryzen 5 8640U. Depending on the motherboards, higher or lower memory frequencies may be supported.

Memory channels

2 2
Memory type

DDR5 (FP7r2) / LPDDR5X (FP7-FP8) DDR5 (FP7r2) / LPDDR5X (FP7-FP8)
PCIe

PCIe 4.0 PCIe 4.0

Thermal Management

Compare the TDP requirements of TDP AMD Ryzen 5 8640U and AMD Ryzen 7 7445HS Power specifications describe different manufacturer limits. TDP, base power and maximum turbo power are separate values; they do not establish measured system consumption.

Configurable TDP

15-30 W 20-40 W
Default TDP

28 W 35 W
Maximum Operating Temperature

100 °C 100 °C

Technologies and extensions

Architecture, interfaces, additional instructions supported by AMD Ryzen 5 8640U and AMD Ryzen 7 7445HS, virtual machine technologies and process technology.

Availability window (manufacturer)

Q1 2024 -
Codename

Hawk Point Phoenix
Date evidence scope

Manufacturer-announced OEM/board availability window; exact first shipment is not established by this source. -
L2-Cache

6 MB 6 MB
L3-Cache

16 MB 16 MB
Release date

Q1/2024 2023-05-03
Socket

FP7 / FP7r2 / FP8 FP7 / FP7r2
Technology

TSMC 4nm FinFET TSMC 4nm FinFET

Benchmarks

Performance tests CPUs

Individual model tests

These results have no shared test of both models with the same version and settings. They are shown separately without a percentage difference.

AMD Ryzen 5 8640U

AMD Ryzen 7 7445HS

Blender 5.1.1 / CPU / Windows 82.044191 samples/min

Individual system tests

Results were obtained on the reported systems. Test versions and settings remain separate; incomplete conditions do not support calculated model performance differences.

RandomX / XMRig 6.25.0 / 10M / 8 threads / linux

Model	Result	Reported conditions
AMD Ryzen 7 7445HS	2823.346592 H/s	RandomX / XMRig 6.25.0 / 10M / 8 threads / linux System RAM: 16 GB OS: Linux x86_64 Motherboard: ASUSTeK COMPUTER INC. / FA607NUG Duration: 3541.896 s User-submitted run; tuning and power settings are incomplete.