Wi-Fi speed is the same. The difference is the form: a compact Deco unit or a regular router.

Short answer

TP-Link Deco X20 - a Deco mesh system that's easy to extend with more units. Mercusys MR70X - 3 LAN, 4 antennas, VPN and almost three times cheaper.

Key differences

SpecTP-Link Deco X20Mercusys MR70X
Typemesh systemrouter
Wi-FiWi-Fi 6, AX1800Wi-Fi 6, AX1800
Wi-Fi speed574 + 1201 Mbit/s574 + 1201 Mbit/s
Bands2.4 + 5 GHz2.4 + 5 GHz
WANWAN/LAN 1 Gbit/s1 × 1 Gbit/s
LAN2 × 1 Gbit/s (WAN/LAN)3 × 1 Gbit/s
Antennasinternal4 external
MeshDeco MeshEasyMesh
VPNnoyes
Dimensions, weight110×110×114 mm208.8×171.6×41.7 mm
Pricecurrent pricescurrent prices

Specs come from the device pages on Smartphone.ua.

What's the same

Wi-Fi 6 AX1800, 574 + 1201 Mbit/s, gigabit ports.

Form factor

A 110×110×114 mm unit with internal antennas vs a router with 4 external ones.

Ports

2 gigabit WAN/LAN ports vs WAN and 3 LAN.

Verdict: who should buy which

  • Covering a large flat with units - TP-Link Deco X20.
  • A single flat and price - Mercusys MR70X.

FAQ

Is there VPN?
On the Mercusys - yes, on the Deco X20 - no.

Is there USB?
No.

Which is cheaper?
The Mercusys MR70X.

Read also