The Smart Device Compare comparison
TP-Link Archer AX21 vs Ubiquiti Cloud Gateway Ultra
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Key differences between TP-Link Archer AX21 and Ubiquiti Cloud Gateway Ultra
A summary of selected recorded differences between these routers. Check the full specification table below for details and conditions.
Feature differences among your selected devices
- Speed Tests (features): TP-Link Archer AX21 — No; Ubiquiti Cloud Gateway Ultra — Yes (The tech specs list internet quality and outage reporting.).
- L2tp Ipsec Vpn (vpn): TP-Link Archer AX21 — No; Ubiquiti Cloud Gateway Ultra — Yes.
- Pptp Vpn (vpn): TP-Link Archer AX21 — Yes; Ubiquiti Cloud Gateway Ultra — No.
- Multi Wan (wan redundancy): TP-Link Archer AX21 — No; Ubiquiti Cloud Gateway Ultra — Yes (The tech specs list Multi-WAN Load Balancing and a maximum WAN port count of 4.).
Specifications to check side by side
- 2.5 Gbps WAN-capable ports (network ports): TP-Link Archer AX21 — 0; Ubiquiti Cloud Gateway Ultra — 1.
- Wan 1 Gbps Ports (network ports): TP-Link Archer AX21 — 1; Ubiquiti Cloud Gateway Ultra — 0.
Information still to confirm
- 36 of 75 comparison fields lack a resolved value for at least one selected device. Missing information is not evidence that a feature is absent.
- Check the full table and manufacturer documentation before ruling out a device.
These observations are derived from recorded catalog data and have not all been independently verified. Confirm details with the manufacturer before purchasing.
Compare capabilities, compatibility and setup requirements.
What the catalog tells us
Understand the tradeoffs.
These counts describe the available data, not a quality score. More features do not automatically make a better device.
7differences with recorded values for every device
36rows with missing or unspecified information
Your priorities, side by side
Focus on what changes.
Mark the specifications you care about. Open manufacturer sources for verification scope; fields without citations remain catalog data. Expand notes for other qualifications.
Showing 75 of 75 rows. “Not recorded” does not mean “No”.
Cellular Connectivity
- TP-Link Archer AX21
- Not applicable / unspecified
- Ubiquiti Cloud Gateway Ultra
- Not applicable / unspecified
- TP-Link Archer AX21
- Not applicable / unspecified
- Ubiquiti Cloud Gateway Ultra
- Not applicable / unspecified
- TP-Link Archer AX21
- Not applicable / unspecified
- Ubiquiti Cloud Gateway Ultra
- Not applicable / unspecified
- TP-Link Archer AX21
- Not applicable / unspecified
- Ubiquiti Cloud Gateway Ultra
- Not applicable / unspecified
- TP-Link Archer AX21
- Not applicable / unspecified
- Ubiquiti Cloud Gateway Ultra
- Not applicable / unspecified
- TP-Link Archer AX21
- Not applicable / unspecified
- Ubiquiti Cloud Gateway Ultra
- Not applicable / unspecified
- TP-Link Archer AX21
- No
- Ubiquiti Cloud Gateway Ultra
- No
Features
- TP-Link Archer AX21
- Yes
Catalog note
System > Backup & Restore saves the current router settings to a file and restores them from a backup file.
- Ubiquiti Cloud Gateway Ultra
- Not recorded
- TP-Link Archer AX21
- Yes
- Ubiquiti Cloud Gateway Ultra
- Yes
- TP-Link Archer AX21
- Not recorded
- Ubiquiti Cloud Gateway Ultra
- 300+
- TP-Link Archer AX21
- No
- Ubiquiti Cloud Gateway Ultra
- Not applicable / unspecified
- TP-Link Archer AX21
- Not recorded
- Ubiquiti Cloud Gateway Ultra
- Not recorded
- TP-Link Archer AX21
- Yes
- Ubiquiti Cloud Gateway Ultra
- Yes
- TP-Link Archer AX21
- No
- Ubiquiti Cloud Gateway Ultra
- Yes
Catalog note
The tech specs list internet quality and outage reporting.
Management
- TP-Link Archer AX21
- Yes
- Ubiquiti Cloud Gateway Ultra
- Yes
- TP-Link Archer AX21
- No
- Ubiquiti Cloud Gateway Ultra
- Not recorded
- TP-Link Archer AX21
- Yes
- Ubiquiti Cloud Gateway Ultra
- Yes
- TP-Link Archer AX21
- No
- Ubiquiti Cloud Gateway Ultra
- Not recorded
- TP-Link Archer AX21
- Yes
- Ubiquiti Cloud Gateway Ultra
- Yes
Network Ports
- TP-Link Archer AX21
- 0
- Ubiquiti Cloud Gateway Ultra
- 0
- TP-Link Archer AX21
- 0
- Ubiquiti Cloud Gateway Ultra
- 0
- TP-Link Archer AX21
- 0
- Ubiquiti Cloud Gateway Ultra
- 0
- TP-Link Archer AX21
- 0
- Ubiquiti Cloud Gateway Ultra
- 1
- TP-Link Archer AX21
- 4
- Ubiquiti Cloud Gateway Ultra
- 4
- TP-Link Archer AX21
- No
- Ubiquiti Cloud Gateway Ultra
- No
- TP-Link Archer AX21
- 4
- Ubiquiti Cloud Gateway Ultra
- 4
- TP-Link Archer AX21
- 0
- Ubiquiti Cloud Gateway Ultra
- 0
- TP-Link Archer AX21
- 0
- Ubiquiti Cloud Gateway Ultra
- 0
- TP-Link Archer AX21
- 5
- Ubiquiti Cloud Gateway Ultra
- 5
- TP-Link Archer AX21
- 1
- Ubiquiti Cloud Gateway Ultra
- 0
- TP-Link Archer AX21
- 1
- Ubiquiti Cloud Gateway Ultra
- 1
- TP-Link Archer AX21
- 0
- Ubiquiti Cloud Gateway Ultra
- 0
- TP-Link Archer AX21
- 0
- Ubiquiti Cloud Gateway Ultra
- 0
Parental Controls
- TP-Link Archer AX21
- Yes
- Ubiquiti Cloud Gateway Ultra
- Yes
Catalog note
The tech specs list content filtering, ad blocking and zone-based advanced filtering by region, domain and application.
- TP-Link Archer AX21
- Yes
Catalog note
Each Parental Controls profile carries an Internet Access switch that denies or allows the internet for its devices on the spot, alongside the time limits.
- Ubiquiti Cloud Gateway Ultra
- Not recorded
- TP-Link Archer AX21
- Yes
- Ubiquiti Cloud Gateway Ultra
- Not recorded
Power
- TP-Link Archer AX21
- Not recorded
- Ubiquiti Cloud Gateway Ultra
- 6.2W
Smart Home Protocols
- TP-Link Archer AX21
- No
- Ubiquiti Cloud Gateway Ultra
- No
- TP-Link Archer AX21
- No
- Ubiquiti Cloud Gateway Ultra
- No
Usb Ports
- TP-Link Archer AX21
- 0
- Ubiquiti Cloud Gateway Ultra
- 0
- TP-Link Archer AX21
- 0
- Ubiquiti Cloud Gateway Ultra
- 0
Usb Storage
- TP-Link Archer AX21
- No
- Ubiquiti Cloud Gateway Ultra
- No
- TP-Link Archer AX21
- No
- Ubiquiti Cloud Gateway Ultra
- No
- TP-Link Archer AX21
- No
- Ubiquiti Cloud Gateway Ultra
- No
- TP-Link Archer AX21
- No
- Ubiquiti Cloud Gateway Ultra
- No
Vpn
- TP-Link Archer AX21
- Yes
- Ubiquiti Cloud Gateway Ultra
- Not recorded
- TP-Link Archer AX21
- No
- Ubiquiti Cloud Gateway Ultra
- Yes
- TP-Link Archer AX21
- Yes
- Ubiquiti Cloud Gateway Ultra
- Yes
- TP-Link Archer AX21
- Yes
- Ubiquiti Cloud Gateway Ultra
- No
- TP-Link Archer AX21
- Yes
Catalog note
The Archer AX21 V5 web interface carries a VPN Client page that holds up to 6 VPN server profiles and picks which devices route through them.
- Ubiquiti Cloud Gateway Ultra
- Yes
- TP-Link Archer AX21
- Yes
- Ubiquiti Cloud Gateway Ultra
- Yes
- TP-Link Archer AX21
- Yes
Catalog note
TP-Link's official list of routers supporting WireGuard VPN includes the Archer AX21 (V3/V3.6 on firmware 1.2.1 Build 20240809 and newer), as both server and client, and the V5 web interface ships the same WireGuard client.
- Ubiquiti Cloud Gateway Ultra
- Yes
Wan Redundancy
- TP-Link Archer AX21
- No
- Ubiquiti Cloud Gateway Ultra
- No
Catalog note
There is no cellular modem in the unit. The tech specs offer additional internet failover only through UniFi LTE Backup, which is a separate accessory.
- TP-Link Archer AX21
- No
- Ubiquiti Cloud Gateway Ultra
- Yes
Catalog note
The tech specs list Multi-WAN Load Balancing and a maximum WAN port count of 4.
- TP-Link Archer AX21
- No
- Ubiquiti Cloud Gateway Ultra
- Yes
Wifi Antennas
- TP-Link Archer AX21
- Not recorded
- Ubiquiti Cloud Gateway Ultra
- Not applicable / unspecified
- TP-Link Archer AX21
- 4
- Ubiquiti Cloud Gateway Ultra
- Not applicable / unspecified
- TP-Link Archer AX21
- 0
- Ubiquiti Cloud Gateway Ultra
- Not applicable / unspecified
Wifi Bands
- TP-Link Archer AX21
- 574 Mbps
- Ubiquiti Cloud Gateway Ultra
- Not applicable / unspecified
- TP-Link Archer AX21
- 1
- Ubiquiti Cloud Gateway Ultra
- Not applicable / unspecified
- TP-Link Archer AX21
- 1
- Ubiquiti Cloud Gateway Ultra
- Not applicable / unspecified
- TP-Link Archer AX21
- 1201 Mbps
- Ubiquiti Cloud Gateway Ultra
- Not applicable / unspecified
- TP-Link Archer AX21
- 0
- Ubiquiti Cloud Gateway Ultra
- Not applicable / unspecified
- TP-Link Archer AX21
- Not applicable / unspecified
- Ubiquiti Cloud Gateway Ultra
- Not applicable / unspecified
Wifi Features
- TP-Link Archer AX21
- Yes
- Ubiquiti Cloud Gateway Ultra
- Not applicable / unspecified
- TP-Link Archer AX21
- Yes
- Ubiquiti Cloud Gateway Ultra
- Not applicable / unspecified
- TP-Link Archer AX21
- Yes
Catalog note
The Archer AX21 V5 web interface offers a dedicated IoT Network on both bands, to keep smart lights and cameras on their own wireless network.
- Ubiquiti Cloud Gateway Ultra
- Not applicable / unspecified
- TP-Link Archer AX21
- 1.8 Gbps
- Ubiquiti Cloud Gateway Ultra
- Not applicable / unspecified
- TP-Link Archer AX21
- EasyMesh, OneMesh
- Ubiquiti Cloud Gateway Ultra
- Not applicable / unspecified
- TP-Link Archer AX21
- Yes
- Ubiquiti Cloud Gateway Ultra
- Not applicable / unspecified
- TP-Link Archer AX21
- Yes
- Ubiquiti Cloud Gateway Ultra
- Not applicable / unspecified
Wifi Generation
- TP-Link Archer AX21
- Yes
- Ubiquiti Cloud Gateway Ultra
- Not applicable / unspecified
- TP-Link Archer AX21
- Yes
- Ubiquiti Cloud Gateway Ultra
- Not applicable / unspecified
- TP-Link Archer AX21
- No
- Ubiquiti Cloud Gateway Ultra
- Not applicable / unspecified
- TP-Link Archer AX21
- No
- Ubiquiti Cloud Gateway Ultra
- Not applicable / unspecified
| Specification | TP-Link Archer AX21 | Ubiquiti Cloud Gateway Ultra |
|---|---|---|
| Cellular Connectivity | ||
| Not applicable / unspecified | Not applicable / unspecified | |
| Not applicable / unspecified | Not applicable / unspecified | |
| Not applicable / unspecified | Not applicable / unspecified | |
| Not applicable / unspecified | Not applicable / unspecified | |
| Not applicable / unspecified | Not applicable / unspecified | |
| Not applicable / unspecified | Not applicable / unspecified | |
| No | No | |
| Features | ||
YesCatalog noteSystem > Backup & Restore saves the current router settings to a file and restores them from a backup file. | Not recorded | |
| Yes | Yes | |
| Not recorded | 300+ | |
| No | Not applicable / unspecified | |
| Not recorded | Not recorded | |
| Yes | Yes | |
| No | YesCatalog noteThe tech specs list internet quality and outage reporting. | |
| Management | ||
| Yes | Yes | |
| No | Not recorded | |
| Yes | Yes | |
| No | Not recorded | |
| Yes | Yes | |
| Network Ports | ||
| 0 | 0 | |
| 0 | 0 | |
| 0 | 0 | |
| 0 | 1 | |
| 4 | 4 | |
| No | No | |
| 4 | 4 | |
| 0 | 0 | |
| 0 | 0 | |
| 5 | 5 | |
| 1 | 0 | |
| 1 | 1 | |
| 0 | 0 | |
| 0 | 0 | |
| Parental Controls | ||
| Yes | YesCatalog noteThe tech specs list content filtering, ad blocking and zone-based advanced filtering by region, domain and application. | |
YesCatalog noteEach Parental Controls profile carries an Internet Access switch that denies or allows the internet for its devices on the spot, alongside the time limits. | Not recorded | |
| Yes | Not recorded | |
| Power | ||
| Not recorded | 6.2W | |
| Smart Home Protocols | ||
| No | No | |
| No | No | |
| Usb Ports | ||
| 0 | 0 | |
| 0 | 0 | |
| Usb Storage | ||
| No | No | |
| No | No | |
| No | No | |
| No | No | |
| Vpn | ||
| Yes | Not recorded | |
| No | Yes | |
| Yes | Yes | |
| Yes | No | |
YesCatalog noteThe Archer AX21 V5 web interface carries a VPN Client page that holds up to 6 VPN server profiles and picks which devices route through them. | Yes | |
| Yes | Yes | |
YesCatalog noteTP-Link's official list of routers supporting WireGuard VPN includes the Archer AX21 (V3/V3.6 on firmware 1.2.1 Build 20240809 and newer), as both server and client, and the V5 web interface ships the same WireGuard client. | Yes | |
| Wan Redundancy | ||
| No | NoCatalog noteThere is no cellular modem in the unit. The tech specs offer additional internet failover only through UniFi LTE Backup, which is a separate accessory. | |
| No | YesCatalog noteThe tech specs list Multi-WAN Load Balancing and a maximum WAN port count of 4. | |
| No | Yes | |
| Wifi Antennas | ||
| Not recorded | Not applicable / unspecified | |
| 4 | Not applicable / unspecified | |
| 0 | Not applicable / unspecified | |
| Wifi Bands | ||
| 574 Mbps | Not applicable / unspecified | |
| 1 | Not applicable / unspecified | |
| 1 | Not applicable / unspecified | |
| 1201 Mbps | Not applicable / unspecified | |
| 0 | Not applicable / unspecified | |
| Not applicable / unspecified | Not applicable / unspecified | |
| Wifi Features | ||
| Yes | Not applicable / unspecified | |
| Yes | Not applicable / unspecified | |
YesCatalog noteThe Archer AX21 V5 web interface offers a dedicated IoT Network on both bands, to keep smart lights and cameras on their own wireless network. | Not applicable / unspecified | |
| 1.8 Gbps | Not applicable / unspecified | |
| EasyMesh, OneMesh | Not applicable / unspecified | |
| Yes | Not applicable / unspecified | |
| Yes | Not applicable / unspecified | |
| Wifi Generation | ||
| Yes | Not applicable / unspecified | |
| Yes | Not applicable / unspecified | |
| No | Not applicable / unspecified | |
| No | Not applicable / unspecified | |
Know what’s behind the comparison.
The table matches specifications by section and field. It preserves notes, separates missing data from explicit “No” values, and keeps qualifications attached to their values. No overall winner is assigned from feature counts.
Read our comparison methodology