Google Nest
Google Nest Learning Thermostat (4th Gen)
$279.99
Released 2024-08
Best Smart Thermostats · head-to-head
Google Nest Learning Thermostat (4th Gen) vs GE Cync Smart Thermostat
A sourced, side-by-side comparison. GE Cync Smart Thermostat is cheaper at $119.99. Every spec and price links to its source.
GE Cync
GE Cync Smart Thermostat
$119.99Cheaper
Which is better: the Google Nest Learning Thermostat (4th Gen) or GE Cync Smart Thermostat?
On the specs we track, they're closely matched. The GE Cync Smart Thermostat is the cheaper at $119.99.
As an Amazon Associate we earn from qualifying purchases. Prices verified at capture; live price may differ.
Full spec sheet
✓ marks the stronger figure where "more" — or "less", for price and weight — is unambiguously better.
| Spec | Google Nest Learning Thermostat (4th Gen) | GE Cync Smart Thermostat |
|---|---|---|
| US price | $279.99 | $119.99 |
| Brand | Google Nest | GE Cync |
| Released | 2024-08 | — |
| Display | 2.68-inch circular stainless-steel framed display with Farsight (activates when motion detected), 3.9-inch diameter body | Backlit LCD display (always on); button and app control (Control Type: Buttons and App) |
| Sensors included | Temperature, humidity, occupancy (60 GHz Soli radar), ambient light; up to 6 additional Nest temperature sensors supported | No remote sensor included (package contains 1 thermostat); Cync Room Temperature Sensors sold separately |
| Geofencing | Yes | — |
| Hvac compatibility | Most 24V systems: single- and multi-stage forced air (gas/oil/electric), heat pumps (1-3 stage heating, 1-2 stage cooling), radiant, hydronic, boilers; not compatible with communicating HVAC systems | Most residential 24V heating and cooling systems; designed for C-wire systems, Power Extender Kit (PEK) included for homes without a C-wire; 3- and 4-wire installation options |
| C wire required | No | No |
| Voice assistants | Google Assistant (built-in via Google Home app), Amazon Alexa, Matter | Amazon Alexa, Google Assistant (Google Home) |
| Energy reports | Yes | Yes |
| Release | 2024-08 | — |
Sources — Google Nest Learning Thermostat (4th Gen): en.wikipedia.org (verified 2026-06-15). GE Cync Smart Thermostat: gelighting.com (verified 2026-07-10).
What's the difference between the Google Nest Learning Thermostat (4th Gen) and GE Cync Smart Thermostat?
Where the two actually differ on the specs we track (4 of 7). Matching specs are omitted.
- Display: Google Nest Learning Thermostat (4th Gen) 2.68-inch circular stainless-steel framed display with Farsight (activates when motion detected), 3.9-inch diameter body vs GE Cync Smart Thermostat Backlit LCD display (always on); button and app control (Control Type: Buttons and App)
- Sensors included: Google Nest Learning Thermostat (4th Gen) Temperature, humidity, occupancy (60 GHz Soli radar), ambient light; up to 6 additional Nest temperature sensors supported vs GE Cync Smart Thermostat No remote sensor included (package contains 1 thermostat); Cync Room Temperature Sensors sold separately
- Hvac compatibility: Google Nest Learning Thermostat (4th Gen) Most 24V systems: single- and multi-stage forced air (gas/oil/electric), heat pumps (1-3 stage heating, 1-2 stage cooling), radiant, hydronic, boilers; not compatible with communicating HVAC systems vs GE Cync Smart Thermostat Most residential 24V heating and cooling systems; designed for C-wire systems, Power Extender Kit (PEK) included for homes without a C-wire; 3- and 4-wire installation options
- Voice assistants: Google Nest Learning Thermostat (4th Gen) Google Assistant (built-in via Google Home app), Amazon Alexa, Matter vs GE Cync Smart Thermostat Amazon Alexa, Google Assistant (Google Home)
What reviewers say
Sourced tester consensus for each — the "what people who used it think" layer, not just specs.
Google Nest Learning Thermostat (4th Gen)
Three whitelisted hands-on reviewers—TechHive, Tom's Guide and TechRadar—tested this exact 4th-gen model and all recommend it. They praise the stunning, art-like redesign with a larger near-borderless display, the smarter weather-aware AI learning with accept/decline schedule suggestions, the glanceable Dynamic Farsight display, and Matter support (Apple Home, Alexa, SmartThings). All three flag the premium ~$280 price. Reviews are largely qualitative—only TechRadar put a number on anything, timing his install at about 15-20 minutes. TechHive still prefers the Ecobee Smart Thermostat Premium. (3 sourced reviews, 3 lab-tested.)
Praised: Stunning, art-like redesign with a larger, near-borderless display; Quick, easy installation (Tom's Guide notes no C-wire needed for power); Smarter, weather-aware AI learning with accept/decline schedule suggestions.
Flagged: Premium price (~$280), among the priciest in its class; Remote sensor measures temperature only, not room occupancy (unlike Ecobee); Upgrading from an older Nest isn't plug-and-play; needs a new install.
GE Cync Smart Thermostat
No sourced tester review yet.