Spec-wise they're the same. The Tenda is noticeably cheaper.

Short answer

Tenda AC10 - the same for less. Mercusys AC12G - a thinner body (32 mm).

Key differences

SpecTenda AC10Mercusys AC12G
Typerouterrouter
Wi-FiWi-Fi 5, AC1200Wi-Fi 5, AC1200
Wi-Fi speed300 + 867 Mbit/s300 + 867 Mbit/s
Bands2.4 + 5 GHz2.4 + 5 GHz
WAN1 × 1 Gbit/s1 × 1 Gbit/s
LAN3 × 1 Gbit/s3 × 1 Gbit/s
Antennas4 external4 external
Dimensions, weight220×141.5×49 mm, 350 g222×140×32 mm
Pricecurrent pricescurrent prices

Specs come from the device pages on Smartphone.ua.

What's the same

AC1200, 2.4 + 5 GHz, WAN and 3 LAN at 1 Gbit/s, 4 external antennas.

Body

220×141.5×49 mm and 350 g vs 222×140×32 mm.

Price

In my view, with identical hardware the price gap speaks for the Tenda.

Verdict: who should buy which

  • The cheapest gigabit AC1200 - Tenda AC10.
  • A thinner body - Mercusys AC12G.

FAQ

Is there VPN?
Not according to the spec sheets.

How many LAN?
3 each.

Which is cheaper?
The Tenda AC10.

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