Updated June 2026
Data from Amazon and official Sonoff site.
2026 verdict
Sonoff Dongle Lite MG21 is the more complete option versus Sonoff ZBDongle-P in 2026, helped most by price, rating, and thread border router. Its biggest wins come from price, rating, and thread border router, and antenna gain adds more confidence to the verdict. Pick Sonoff ZBDongle-P only when warranty is the deciding factor for your setup. For the average buyer, Sonoff Dongle Lite MG21 is the safer choice.
| Feature | Sonoff Dongle Lite MG21 | Sonoff ZBDongle-P | Winner |
|---|---|---|---|
| Price | $19.90 | $39.99 | Sonoff Dongle Lite MG21 |
| Rating | 4.6 | 4.5 | Sonoff Dongle Lite MG21 |
| Warranty | 1 year | 2 years | Sonoff ZBDongle-P |
| Thread Border Router | YES | NO | Sonoff Dongle Lite MG21 |
| Antenna Gain | +3dBi | 2 dBi | Sonoff Dongle Lite MG21 |
| Zigbee Chip Model | EFR32MG21 | CC2652P | Different strengths |
| Amplifier Gain | +20 dBm | +20dBm | Different strengths |
| Power | USB | USB | Tie |
| Connectivity | USB | USB | Tie |
| Zigbee Router | YES | YES | Tie |
| Z-Wave Controller | NO | NO | Tie |
| Matter Bridge | NO | NO | Tie |
Winner
$19.90
- + Price: $19.90
- + Rating: 4.6
- + Thread Border Router: YES
- - Warranty: 1 year vs 2 years
$39.99
- + Warranty: 2 years
- - Price: $39.99 vs $19.90
- - Rating: 4.5 vs 4.6
Frequently Asked Questions
Which is better overall: Sonoff Dongle Lite MG21 or Sonoff ZBDongle-P?
Sonoff Dongle Lite MG21 has the stronger overall profile in this comparison, especially for price, rating, and thread border router.
What is the biggest difference between Sonoff Dongle Lite MG21 and Sonoff ZBDongle-P?
Price is one of the clearest differences: Sonoff Dongle Lite MG21 lists $19.90, while Sonoff ZBDongle-P lists $39.99.
Which one looks better on price?
Sonoff Dongle Lite MG21 is listed at $19.90, while Sonoff ZBDongle-P is listed at $39.99. Sonoff Dongle Lite MG21 (better spec).
Who should buy Sonoff Dongle Lite MG21?
Choose Sonoff Dongle Lite MG21 if your priority is price and rating and that matters more than warranty.
Who should buy Sonoff ZBDongle-P?
Choose Sonoff ZBDongle-P if your priority is warranty and that matters more than price.
