Amazon Smart Thermostat vs Sensi Touch 2 smart thermostat

The Sensi Touch 2 smart thermostat wins overall with a higher owner rating, a three-year warranty, a color touchscreen, dual-band Wi-Fi, humidity sensing, external sensor support and wider platform integrations. The Amazon Smart Thermostat's edge is its lower price and an included trim plate.

Display and connectivity. The Amazon Smart Thermostat has a basic non-touch LED display and single-band Wi-Fi tied to Alexa, while the Sensi Touch 2 smart thermostat has a 4.3-inch color touchscreen, dual-band Wi-Fi and support for Google Home, Alexa, SmartThings and Home Assistant.

The Sensi Touch 2 smart thermostat supports external temperature sensors for balancing readings across rooms. The Amazon Smart Thermostat has no external sensor support and relies on its single built-in temperature sensor.

Only the Sensi Touch 2 smart thermostat, which has a 4.3-inch color touchscreen. The Amazon Smart Thermostat uses a non-touch LED display and is configured mainly through the app.

Buyers in an Alexa home who want the most affordable smart upgrade with the trim plate included, and who do not need a touchscreen, dual-band Wi-Fi, external sensors or support for other platforms.

Anyone who wants a premium-feeling color touchscreen, dual-band Wi-Fi, humidity sensing, external sensor support and compatibility with Google Home, Alexa, SmartThings and Home Assistant, backed by a three-year warranty.