ASUS PRIME B550M-K vs ASUS ROG STRIX B450-F GAMING

The short verdict

Scores pending

We haven’t scored these yet. Use the measured differences and full specs below.

PRIME B550M-K

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ROG STRIX B450-F GAMING

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PRIME B550M-K

Full specs →

ROG STRIX B450-F GAMING

Full specs →

At a glance

Key differences

Measured differences only. Ties and tiny gaps are left out.

Full specs

Side-by-side specifications

Performance3 differences

Compatible processor series

AMD Ryzen 3000 Series

AMD Athlon · AMD Ryzen 2000 Series · AMD Ryzen 3000 Series

Motherboard chipset

AMD B550

AMD B450

Chipset

AMD B550

AMD B450

Design2 differences

Weight

785 g

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Width

244 mm

305 mm

Connectivity2 differences

HDMI ports quantity

Supported memory clock speeds

2133 · 2400 · 2666

2133,2400,2666,2800,3000,3200 MHz

Windows operating systems supported

Windows 10

Windows 10 Education x64 · Windows 10 Enterprise x64 · Windows 10 Home x64

General6 differences

Component for

Ethernet LAN

Yes

Form Factor

micro ATX

ATX

LAN controller

Realtek RTL8111H

Intel® I211-AT

Manufacturer Sku

90MB14V0-M0EAY0

90MB0YS0-M0AAY0

Maximum internal memory

128 GB

64 GB

Model Number

PRIME B550M-K

ROG STRIX B450-F GAMING

Motherboard form factor

micro ATX

ATX

Where to buy

Specs verified against manufacturer data. Prices in USD before tax; we may earn a commission from qualifying purchases.

Community

Which would you buy?

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PRIME B550M-K vs ROG STRIX B450-F GAMING

Scores pending

Key differences

Side-by-side specifications

Which would you buy?