Eufy 4G LTE Cam S330 vs Reolink Duo 3 WiFi

Full Smart Cameras comparison in 2026

Updated May 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 price, warranty, and connectivity, and storage and rtsp 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
Price$199.99$169.99Reolink Duo 3 WiFi
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
Rating4.24.2Tie
Weather ResistanceIP67IP67Tie
PoENONOTie
Solar ChargingNONOTie
2K VideoYESYESTie
Winner
Reolink

Reolink Duo 3 WiFi

23% OFF
$219.99
$169.99
BUY NOW
  • + Price: $169.99
  • + Warranty: 2 years
  • + Connectivity: 2.4 GHz Wifi, 5 GHz Wifi, Ethernet
  • - 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 price, warranty, and connectivity.
What is the biggest difference between Eufy 4G LTE Cam S330 and Reolink Duo 3 WiFi?
Price is one of the clearest differences: Eufy 4G LTE Cam S330 lists $199.99, while Reolink Duo 3 WiFi lists $169.99.
Which one looks better on price?
Eufy 4G LTE Cam S330 is listed at $199.99, while Reolink Duo 3 WiFi is listed at $169.99. Reolink Duo 3 WiFi (better spec).
Who should buy Eufy 4G LTE Cam S330?
Choose Eufy 4G LTE Cam S330 if your priority is gps and that matters more than price.
Who should buy Reolink Duo 3 WiFi?
Choose Reolink Duo 3 WiFi if your priority is price and warranty and that matters more than gps.
More Cameras

Top Cameras to compare next

Compare the best smart security cameras by video quality, connectivity, storage, alerts, integrations, and more. Find the ideal model for your home.

Compare Cameras
  1. Ring Indoor Cam
    Ring

    Ring Indoor Cam

    View details
  2. Ring Outdoor Cam
    Ring

    Ring Outdoor Cam

    View details
  3. Google Nest Cam Indoor (Wired, 3rd Gen)
    Google

    Nest Cam Indoor (Wired, 3rd Gen)

    View details
  4. Arlo Essential 2K Wired (2025)
    Arlo

    Essential 2K Wired (2025)

    View details
  5. TP-Link Tapo C200
    TP-Link

    Tapo C200

    View details
  6. Blink Mini 2
    Blink

    Mini 2

    View details
  7. TP-Link Tapo C210
    TP-Link

    Tapo C210

    View details
  8. Blink Mini Pan-Tilt
    Blink

    Mini Pan-Tilt

    View details
  9. Ring Spotlight Cam Plus
    Ring

    Spotlight Cam Plus

    View details
  10. Ring Outdoor Cam Plus
    Ring

    Ring Outdoor Cam Plus

    View details
  11. TP-Link Tapo C500
    TP-Link

    Tapo C500

    View details
  12. Reolink RLC-810A
    Reolink

    RLC-810A

    View details
  13. Reolink Duo 2V PoE
    Reolink

    Duo 2V PoE

    View details
  14. Aqara CameraHub G5 Pro PoE
    Aqara

    Camera Hub G5 Pro PoE

    View details
  15. TP-Link Tapo C100
    TP-Link

    Tapo C100

    View details
  16. Eufy Indoor Cam E220
    Eufy

    Indoor Cam E220

    View details
  17. Wyze Cam v4
    Wyze

    Cam v4

    View details
  18. Google Nest Cam (indoor, wired)
    Google

    Nest Cam (indoor, wired)

    View details
  19. TP-Link Tapo C120
    TP-Link

    Tapo C120

    View details
  20. Ring Spotlight Cam Pro
    Ring

    Spotlight Cam Pro

    View details
Eufy

More Eufy products

A sharper look at other Eufy products worth comparing.

Explore Eufy
  1. Camera
    Eufy 4G Camera S230
    Eufy

    4G Camera S230

    View details
  2. Camera
    Eufy 4G LTE Cam S330
    Eufy

    4G LTE Cam S330

    View details
  3. Camera
    Eufy Indoor Cam C120
    Eufy

    Indoor Cam C120

    View details
  4. Camera
    Eufy Indoor Cam E220
    Eufy

    Indoor Cam E220

    View details
  5. Camera
    Eufy Outdoor Cam E210
    Eufy

    Outdoor Cam E210

    View details
  6. Camera
    Eufy Outdoor Cam E220
    Eufy

    Outdoor Cam E220

    View details
  7. Camera
    Eufy SoloCam S220
    Eufy

    SoloCam S220

    View details
  8. Camera
    Eufy SoloCam S230
    Eufy

    SoloCam S230

    View details
  9. Doorbell
    Eufy Video Doorbell C31 (with Battery Pack)
    Eufy

    Video Doorbell C31 (with Battery Pack)

    View details
  10. Doorbell
    Eufy Video Doorbell E340
    Eufy

    Video Doorbell E340

    View details
  11. Door Lock
    Eufy Smart Lock C220
    Eufy

    Smart Lock C220

    View details
  12. Door Lock
    Eufy Video Smart Lock E330
    Eufy

    Video Smart Lock E330

    View details
  13. Door Lock
    Eufy Video Smart Lock S330
    Eufy

    Video Smart Lock S330

    View details
  14. Door & Window Sensor
    Eufy Entry Sensor
    Eufy

    Entry Sensor

    View details
  15. Motion Sensor
    Eufy Motion Sensor
    Eufy

    Motion Sensor

    View details
  16. Robot Vacuum
    Eufy 11S MAX
    Eufy

    11S MAX

    View details
  17. Robot Vacuum
    Eufy L60 with Self-Empty Station
    Eufy

    L60 with Self-Empty Station

    View details
  18. Robot Vacuum
    Eufy X10 Pro Omni
    Eufy

    X10 Pro Omni

    View details
  19. Siren
    Eufy Security Siren
    Eufy

    Security Siren

    View details
  20. Water Leak Sensor
    Eufy Water and Freeze Sensor
    Eufy

    Water and Freeze Sensor

    View details
Reolink

More Reolink products

A sharper look at other Reolink products worth comparing.

Explore Reolink
  1. Camera
    Reolink Altas PT Ultra
    Reolink

    Altas PT Ultra

    View details
  2. Camera
    Reolink Argus 4 Pro
    Reolink

    Argus 4 Pro

    View details
  3. Camera
    Reolink Duo 2V PoE
    Reolink

    Duo 2V PoE

    View details
  4. Camera
    Reolink Duo 3 WiFi
    Reolink

    Duo 3 WiFi

    View details
  5. Camera
    Reolink E1 Pro
    Reolink

    E1 Pro

    View details
  6. Camera
    Reolink Elite Floodlight WiFi
    Reolink

    Elite Floodlight WiFi

    View details
  7. Camera
    Reolink RLC-810A
    Reolink

    RLC-810A

    View details
  8. Camera
    Reolink TrackMix Wifi
    Reolink

    TrackMix Wifi

    View details
  9. Doorbell
    Reolink Doorbell WiFi
    Reolink

    Doorbell WiFi

    View details
Smart Home Planner
DealsNEW RELEASESBrandsBlogAboutTerms of UsePrivacy Policy
Search