The Comparator

ASUS PRIME B550M-A vs Gigabyte B550M K

Specifications, performance and current prices compared in United States · USD · prices checked through Oct 17, 2026

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ASUS PRIME B550M-A

ASUS

Current comparison price

$115Value 37 · Balanced

from 1 offer · checked Oct 16

Capability highlights · price excluded

  • C Gaming Build
  • C Small-Case Fit
  • D Workstation

Gigabyte B550M K

Gigabyte

Current comparison price

$79Value 43 · Balanced

from 2 offers at 2 retailers · checked Oct 16

Capability highlights · price excluded

  • C Gaming Build
  • C Small-Case Fit
  • D Workstation

Key differences at a glance

Capabilityprice excluded

Same grade in all 3 scenarios. View grades →

Valueunder Balanced

Gigabyte B550M K has the higher Value under these priorities (43 vs 37).

Pricecurrent market snapshot

Gigabyte B550M K costs less right now ($115 vs $79, 32% apart).

How priorities change the comparison ASUS PRIME B550M-A has higher Value under 0 presets · Gigabyte B550M K under 1 · 3 even
Priority ASUS PRIME B550M-A Gigabyte B550M K
3743
2626even
109even
3635even

Pick a preset to compare under it: the whole page follows. Within 2 points counts as even.

Price difference and break-even price

Under Balanced, each product holds or loses the higher Value at one price, with the other held at its current price. Enter the prices you were actually offered to see the answer for your deal.

ASUS PRIME B550M-A

Current comparison price

$115 Value 37

ASUS PRIME B550M-A matches the Value of Gigabyte B550M K (at $79) at $94 or less.

Gigabyte B550M K

Current comparison price

$79 Value 43

Gigabyte B550M K keeps the higher Value up to $97 (with ASUS PRIME B550M-A at $115).

A crossover is a calculation under the active priorities and today's market frame, not a price forecast.

Price comparison: current offers

New offers we track in United States (USD), cheapest first, with the date each was checked. Amazon appears as a link only: its price is not shown and never enters Value.

ASUS PRIME B550M-A

  1. Check current priceAmazonAffiliate link · price shown on AmazonCheck price →
  2. $115ASUS PRIME B550M-A (Micro ATX)Newegg · checked · Affiliate linkGo to offer →

Gigabyte B550M K

  1. Check current priceAmazonAffiliate link · price shown on AmazonCheck price →
  2. $79Best priceGigabyte B550M K (Micro ATX)Newegg · checked · Affiliate linkGo to offer →
  3. $122Gigabyte B550M K (Micro ATX)MemoryC · checked · Affiliate linkGo to offer →

Affiliate links may earn us a commission. They never change the prices shown here, the ranking or Value.

Performance and key differences

What each product can do for a job, graded S to F with price left out, and the measured indexes behind it.

View full tier list and performance rankings

ASUS PRIME B550M-A Gigabyte B550M K
Gaming BuildC #612C #672
WorkstationD #665D #669
Small-Case FitC #180C #245
Features5861
Connectivity129
Memory support5656

Where each one leads

  • Lower current price · Higher Value with these priorities · More offers

Specifications compared

Facts true of every board a product groups; a range or "varies" marks a fact that differs between boards.

8 identical facts hidden

ASUS PRIME B550M-A Gigabyte B550M K
Memory
ECCNoYes
Product
BrandASUSGigabyte

Not tracked means the source data does not have this fact. It is not assumed to be absent.

Which one to choose: where each wins

Conditions drawn from the data above, not a universal recommendation. The better choice depends on which of these matter to you.

ASUS PRIME B550M-A fits better when…

  • Connectivity matters: higher index

Gigabyte B550M K fits better when…

  • Features matters: higher index
  • your priorities are Balanced: higher Value
  • the budget decides: 32% lower current price

Questions and methodology

Which one is better, ASUS PRIME B550M-A or Gigabyte B550M K?

It depends on the question. For capability (price left out) see the grades by use case; for how good the current price is for what you get, see Value under your priorities; and for the cheapest option today, see current prices. This page keeps the three apart and does not name one overall winner.

Which has the higher Value right now?

Under Balanced, Gigabyte B550M K has the higher Value (43 vs 37) in the market snapshot of Oct 17, 2026. Value changes with your priorities and with prices.

At what price does the answer change?

Under Balanced, with Gigabyte B550M K at its current price, ASUS PRIME B550M-A reaches equal Value at $94. It is a calculation, not a price forecast.

Which one is more capable, ignoring price?

Same grade in all 3 scenarios.

Where can I compare current offers?

The offers section lists every new offer we track for both products in United States, with the date each price was checked. Open in Compare to add more products.

How we measure →