Eufy 4G LTE Cam S330 vs Reolink Duo 3 WiFi

Full Smart Cameras comparison in 2026

Updated April 2026
Data from Amazon and official Eufy and Reolink sites.
2026 verdict
For 2026, Reolink Duo 3 WiFi is the stronger overall choice. The main reason it wins is warranty, connectivity, and storage, and rtsp and privacy zone strengthens that case. Eufy 4G LTE Cam S330 remains a niche alternative if gps matters more than the rest of the comparison. For the average buyer, Reolink Duo 3 WiFi is the safer choice.
vs
FeatureEufy 4G LTE Cam S330Reolink Duo 3 WiFiWinner
Warranty1 year2 yearsReolink Duo 3 WiFi
Connectivity2.4 GHz Wifi, 4G2.4 GHz Wifi, 5 GHz Wifi, EthernetReolink Duo 3 WiFi
StorageMicroSD Card SlotMicroSD Card Slot, CloudReolink Duo 3 WiFi
RTSPNOYESReolink Duo 3 WiFi
GPSYESNOEufy 4G LTE Cam S330
Privacy ZoneNOYESReolink Duo 3 WiFi
Price$199.99$199.99Tie
Rating4.24.2Tie
Weather ResistanceIP67IP67Tie
PoENONOTie
Solar ChargingNONOTie
2K VideoYESYESTie
20% OFF
$249.99
$199.99
BUY NOW
  • + GPS: YES
  • - Warranty: 1 year vs 2 years
  • - Connectivity: 2.4 GHz Wifi, 4G vs 2.4 GHz Wifi, 5 GHz Wifi, Ethernet
Winner
9% OFF
$218.99
$199.99
BUY NOW
  • + Warranty: 2 years
  • + Connectivity: 2.4 GHz Wifi, 5 GHz Wifi, Ethernet
  • + Storage: MicroSD Card Slot, Cloud
  • - GPS: NO vs YES

Frequently Asked Questions (FAQ)

Which is better overall: Eufy 4G LTE Cam S330 or Reolink Duo 3 WiFi?
Reolink Duo 3 WiFi has the stronger overall profile in this comparison, especially for warranty, connectivity, and storage.
What is the biggest difference between Eufy 4G LTE Cam S330 and Reolink Duo 3 WiFi?
Warranty is one of the clearest differences: Eufy 4G LTE Cam S330 lists 1 year, while Reolink Duo 3 WiFi lists 2 years.
Which one looks better on price?
Eufy 4G LTE Cam S330 is listed at $199.99, while Reolink Duo 3 WiFi is listed at $199.99. Tie.
Who should buy Eufy 4G LTE Cam S330?
Choose Eufy 4G LTE Cam S330 if your priority is gps and that matters more than warranty.
Who should buy Reolink Duo 3 WiFi?
Choose Reolink Duo 3 WiFi if your priority is warranty and connectivity and that matters more than gps.
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