ASUS PRIME B550M-K vs ASUS PRIME X299-A

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

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PRIME B550M-K

Full specs →

PRIME X299-A

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™ i7

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)

Design2 differences

Weight

785 g

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Width

244 mm

305 mm

Connectivity4 differences

Supported memory clock speeds

2133 · 2400 · 2666

2133,2400,2666,3600,4000 MHz

USB 2.0 connectors

USB 3.2 Gen 1 (3.1 Gen 1) connectors

USB 3.2 Gen 2 (3.1 Gen 2) Type-A ports quantity

General7 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

90MB0U40-M0EAY0

Model Number

PRIME B550M-K

PRIME X299-A

Motherboard form factor

micro ATX

ATX

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

Scores pending

Key differences

Side-by-side specifications

Which would you buy?