Looking for an honest Google Nest Learning Thermostat 3rd Gen vs Honeywell X2S Smart Thermostat comparison in 2026? We scored both smart thermostats on the same six-dimension framework — performance, battery, display, camera, design and value — using identical methodology, so the numbers below are directly comparable. Both products score nearly identically (46/100 vs 47/100) — this is a genuine toss-up that hinges on which specs matter most for your use case. On price the Honeywell X2S Smart Thermostat undercuts the Google Nest Learning Thermostat 3rd Gen by 25% ($36 vs $44.99), which materially changes the value calculus for budget-conscious buyers.
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Google Nest Learning Thermostat 3rd Gen and Honeywell X2S Smart Thermostat are closely matched smart thermostats devices with nearly identical overall scores (46 vs 47). The best choice depends on which specific features matter most to you.
✓ Pros
✗ Cons
✓ Pros
✗ Cons
| Spec | Google Nest Learning Thermostat 3rd Gen | Honeywell X2S Smart Thermostat |
|---|---|---|
| Price | 44.99$ | 36$✓ |
| Display | 3" | 3.5"✓ |
| Display Type | Color LCD touchscreen | Color LCD touchscreen |
| Battery | 3500mAh✓ | 3000mAh |
| Wi-Fi | Wi-Fi 802.11b/g/n | Wi-Fi 802.11 b/g/n |
Buy Google Nest Learning Thermostat 3rd Gen if…
The Google Nest Learning Thermostat 3rd Gen is worth considering if you prefer its specific design, ecosystem, or brand — though it scores lower overall in our comparison.
Buy Honeywell X2S Smart Thermostat if…
The Honeywell X2S Smart Thermostat is worth considering if you prefer its specific design, ecosystem, or brand — though it scores lower overall in our comparison.
Google Nest Learning Thermostat 3rd Gen and Honeywell X2S Smart Thermostat are closely matched smart thermostats devices with nearly identical overall scores (46 vs 47). The best choice depends on which specific features matter most to you.
Both products score similarly — it depends on your priorities.
Honeywell X2S Smart Thermostat is cheaper at $36 vs $44.99 for the Google Nest Learning Thermostat 3rd Gen.
The Google Nest Learning Thermostat 3rd Gen is worth considering if you prefer its specific design, ecosystem, or brand — though it scores lower overall in our comparison.
The Honeywell X2S Smart Thermostat is worth considering if you prefer its specific design, ecosystem, or brand — though it scores lower overall in our comparison.
Google Nest Learning Thermostat 3rd Gen has a larger battery (3,500mAh vs 3,000mAh for the Honeywell X2S Smart Thermostat), which generally means longer use between charges.
Reviewed by VersusMatrix Editorial Team
Last updated: May 21, 2026
Methodology: AI-powered analysis of technical specifications from manufacturer data. Scores are calculated by comparing products across multiple dimensions and normalized relative to the full category database. Our editorial process is independent and not influenced by affiliate partnerships.
Scores are relative within the smart thermostatscategory. Percentages show each dimension's weight in the overall score. A difference of less than 0.5 points is considered a tie.
| Weight |
| 300g |
| 200g✓ |
| Dimensions | 84 x 84 x 30 mm | 90 x 90 x 30 mm |
| Colors | White, Black, Stainless Steel | White, Black |
Honeywell X2S Smart Thermostat has the larger display (3.5" vs 3").
Honeywell X2S Smart Thermostat is lighter at 200g vs 300g.