The Comparator

ASUS Prime B450M-A II vs Gigabyte B550M DS3H AC R2

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

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Key differences at a glance

Capabilityprice excluded

ASUS Prime B450M-A II leads in 2 scenarios, Gigabyte B550M DS3H AC R2 in 0, 1 even. ASUS Prime B450M-A II is ahead for Gaming Build, Small-Case Fit. View grades →

Valueunder Balanced

Gigabyte B550M DS3H AC R2 has the higher Value under these priorities (32 vs 22).

Pricecurrent market snapshot

Gigabyte B550M DS3H AC R2 costs less right now ($204 vs $116, 43% apart).

How priorities change the comparison ASUS Prime B450M-A II has higher Value under 0 presets · Gigabyte B550M DS3H AC R2 under 3 · 1 even
Priority ASUS Prime B450M-A II Gigabyte B550M DS3H AC R2
2232
1922
78even
2530

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 B450M-A II

Current comparison price

$204 Value 22

ASUS Prime B450M-A II matches the Value of Gigabyte B550M DS3H AC R2 (at $116) at $123 or less.

Gigabyte B550M DS3H AC R2

Current comparison price

$116 Value 32

Gigabyte B550M DS3H AC R2 keeps the higher Value up to $192 (with ASUS Prime B450M-A II at $204).

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 B450M-A II

  1. Check current priceAmazonAffiliate link · price shown on AmazonCheck price →
  2. $204ASUS Prime B450M-A II (Micro ATX)Newegg · checked · Affiliate linkGo to offer →

Gigabyte B550M DS3H AC R2

  1. Check current priceAmazonAffiliate link · price shown on AmazonCheck price →
  2. $116Gigabyte B550M DS3H AC R2 (Micro ATX)Newegg · checked · Affiliate linkGo to offer →
  3. Currently unavailable · last seen
  4. $153GIGABYTE B550M DS3H AC R2 Motherboard - AMD Ryzen 5000 CPUs, 5+3 Phases VRM, up to 4733MHz DDR4 (O.C.), 1xPCIe 4.0 + 1xPCIe 3.0 M.2, Wi-Fi 5, 1GbE LAN, USB 3.2 Gen 1MemoryC · last seen · no longer in the retailer’s listingView listing

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 B450M-A II Gigabyte B550M DS3H AC R2
Gaming BuildB #399C #764
WorkstationD #537D #583
Small-Case FitC #195D #350
Features4541
Connectivity1212
Memory support5656

Where each one leads

  • Better grade for Gaming Build
  • Lower current price · Higher Value with these priorities

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 B450M-A II Gigabyte B550M DS3H AC R2
Platform
ChipsetAMD B450AMD B550
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 B450M-A II fits better when…

  • the job is Gaming Build, Small-Case Fit: higher capability grade
  • Features matters: higher index

Gigabyte B550M DS3H AC R2 fits better when…

  • your priorities are Balanced: higher Value
  • the budget decides: 43% lower current price

Nearby market alternative

Worth considering instead
ASUS PRIME B450M-A CSM — same B-tier capability for Gaming Build, about $29 cheaper · Value 36.
Neither of the two above is the only answer — this one clears the same bar for less. ⇄ Compare all three

Questions and methodology

Which one is better, ASUS Prime B450M-A II or Gigabyte B550M DS3H AC R2?

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 DS3H AC R2 has the higher Value (32 vs 22) 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 DS3H AC R2 at its current price, ASUS Prime B450M-A II reaches equal Value at $123. It is a calculation, not a price forecast.

Which one is more capable, ignoring price?

ASUS Prime B450M-A II leads in 2 scenarios, Gigabyte B550M DS3H AC R2 in 0, 1 even. ASUS Prime B450M-A II is ahead for Gaming Build, Small-Case Fit.

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 →