ASUS PRIME B550M-K vs ASUS Prime X299-A II

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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Prime X299-A II

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PRIME B550M-K

Full specs →

Prime X299-A II

Full specs →

At a glance

Key differences

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

Full specs

Side-by-side specifications

Performance6 differences

Compatible processor series

AMD Ryzen 3000 Series

Intel® Core™ X-series

Motherboard chipset

AMD B550

Intel® X299

Motherboard chipset family

AMD

Intel

Chipset

AMD B550

Intel® X299

Processor manufacturer

AMD

Intel

Processor socket

Socket AM4

LGA 2066 (Socket R4)

Design1 difference

Weight

785 g

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Connectivity3 differences

Wi-Fi

Supported memory clock speeds

2133 · 2400 · 2666

Supported storage drive interfaces

M.2, SATA

M.2, SATA III

USB 3.2 Gen 1 (3.1 Gen 1) connectors

Windows operating systems supported

Windows 10

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

General9 differences

BIOS memory size

256 Mbit

128 Mbit

Component for

Ethernet LAN

Yes

Form Factor

micro ATX

ATX

LAN controller

Realtek RTL8111H

Intel® I219-V

Manufacturer Sku

90MB14V0-M0EAY0

90MB11F0-M0EAY0

Maximum internal memory

128 GB

256 GB

Model Number

PRIME B550M-K

Prime X299-A II

Motherboard form factor

micro ATX

ATX

Number of M.2 (M) slots

Number of memory slots

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 Prime X299-A II

Scores pending

Key differences

Side-by-side specifications

Which would you buy?