Same ports and USB. The AX73 costs noticeably more - for twice the 5 GHz speed and more antennas.
Short answer
Archer AX73 - 4804 Mbit/s on 5 GHz, 6 antennas for a large flat. Archer AX55 - 2402 Mbit/s and cheaper.
Key differences
| Spec | TP-Link Archer AX55 | TP-Link Archer AX73 |
|---|---|---|
| Type | router | router |
| Wi-Fi | Wi-Fi 6, AX3000 | Wi-Fi 6, AX5400 |
| Wi-Fi speed | 574 + 2402 Mbit/s | 574 + 4804 Mbit/s |
| Bands | 2.4 + 5 GHz | 2.4 + 5 GHz |
| WAN | 1 × 1 Gbit/s | 1 × 1 Gbit/s |
| LAN | 4 × 1 Gbit/s | 4 × 1 Gbit/s |
| USB | USB 3.0 | USB 3.0 |
| Antennas | 4 external | 6 external |
| Mesh | EasyMesh | EasyMesh |
| VPN | yes | yes |
| Dimensions, weight | 261.1×134.5×41 mm | 272.5×147.2×49.2 mm |
| Price | current prices | current prices |
Specs come from the device pages on Smartphone.ua.
Wi-Fi
574 + 2402 vs 574 + 4804 Mbit/s.
Antennas
4 vs 6 external.
What's the same
Gigabit WAN and 4 LAN, USB 3.0, EasyMesh, VPN.
Verdict: who should buy which
- A large flat and speed - TP-Link Archer AX73.
- The sweet spot - TP-Link Archer AX55.
FAQ
Are the ports the same?
Yes, gigabit.
Is there USB?
Yes, USB 3.0 on both.
Which is cheaper?
The Archer AX55.