Ecobee Smart Thermostat Premium vs eufy Security S380 EufyCam 3
Verdict: These products serve fundamentally different purposes: the ecobee Smart Thermostat Premium (released 2022-05, MSRP $249) manages climate and air quality with radar occupancy, while the eufy Security S380 EufyCam 3 (released 2022-09, MSRP $349) delivers 4K security footage with 16GB local storage and BionicMind AI. Direct comparison is not meaningful as one controls HVAC and the other provides surveillance. Neither is a substitute for the other.
Ecobee Smart Thermostat Premium lists at $249 while eufy Security S380 EufyCam 3 lists at $349 — Ecobee Smart Thermostat Premium undercuts eufy Security S380 EufyCam 3 by $100 (40%).
Winner: Incomparable - different categories
Ecobee Smart Thermostat Premium: 5/10
eufy Security S380 EufyCam 3: 5/10
Spec-by-spec comparison
| Ecobee Smart Thermostat Premium | eufy Security S380 EufyCam 3 | |
|---|---|---|
| Release Date | 2022-05 | 2022-09 |
| Price (USD) | 249 | 349 |
| Primary Detection | Radar occupancy | BionicMind AI facial recognition |
| Storage Capacity | — | 16GB local expandable to 16TB |
Ecobee Smart Thermostat Premium
What works
- Built-in air quality monitoring
- Alexa or Siri voice control
- Includes SmartSensor for room-specific comfort
What doesn't
- MSRP $249
- Requires compatible HVAC system
eufy Security S380 EufyCam 3
What works
- 4K resolution
- 100dB siren
- Local storage with facial recognition
What doesn't
- MSRP $349
- Requires HomeBase 3 for full features
Bottom line
Our pick: Incomparable - different categories.
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