Looking for an honest Honeywell RTH9585WF1004 Wi-Fi Smart Thermostat vs Honeywell X2S Smart WiFi Digital 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 (49/100 vs 49/100) — this is a genuine toss-up that hinges on which specs matter most for your use case. The widest gap is in design and build, where the Honeywell RTH9585WF1004 Wi-Fi Smart Thermostat pulls noticeably ahead. On price the Honeywell X2S Smart WiFi Digital Thermostat undercuts the Honeywell RTH9585WF1004 Wi-Fi Smart Thermostat by 121% ($28.99 vs $63.99), which materially changes the value calculus for budget-conscious buyers.
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Honeywell RTH9585WF1004 Wi-Fi Smart Thermostat and Honeywell X2S Smart WiFi Digital Thermostat are closely matched smart thermostats devices with nearly identical overall scores (49 vs 49). The best choice depends on which specific features matter most to you.
✓ Pros
✗ Cons
✓ Pros
| Spec | Honeywell RTH9585WF1004 Wi-Fi Smart Thermostat | Honeywell X2S Smart WiFi Digital Thermostat |
|---|---|---|
| Price | 63.99$ | 28.99$✓ |
| Display | 7"✓ | 5" |
| Display Type | Color LCD touchscreen | Color LCD touchscreen |
| Battery | — | 2000mAh |
| Wi-Fi | Wi-Fi 802.11 b/g/n | Wi-Fi 802.11 b/g/n |
| Weight |
Buy Honeywell RTH9585WF1004 Wi-Fi Smart Thermostat if…
The Honeywell RTH9585WF1004 Wi-Fi Smart Thermostat is worth considering if you prefer its specific design, ecosystem, or brand — though it scores lower overall in our comparison.
Buy Honeywell X2S Smart WiFi Digital Thermostat if…
Choose the Honeywell X2S Smart WiFi Digital Thermostat if budget is your top priority — it offers competitive specs at a lower price point.
Honeywell RTH9585WF1004 Wi-Fi Smart Thermostat and Honeywell X2S Smart WiFi Digital Thermostat are closely matched smart thermostats devices with nearly identical overall scores (49 vs 49). The best choice depends on which specific features matter most to you.
Both products score similarly — it depends on your priorities.
Honeywell X2S Smart WiFi Digital Thermostat is cheaper at $28.99 vs $63.99 for the Honeywell RTH9585WF1004 Wi-Fi Smart Thermostat.
The Honeywell RTH9585WF1004 Wi-Fi Smart Thermostat is worth considering if you prefer its specific design, ecosystem, or brand — though it scores lower overall in our comparison.
Choose the Honeywell X2S Smart WiFi Digital Thermostat if budget is your top priority — it offers competitive specs at a lower price point.
Honeywell RTH9585WF1004 Wi-Fi Smart Thermostat has the larger display (7" vs 5").
Reviewed by VersusMatrix Editorial Team
Last updated: May 10, 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.
| 200g✓ |
| 250g |
| Dimensions | 150 x 150 x 30 mm | 85 x 85 x 30 mm |
| Colors | White, Black | White, Black |
Honeywell RTH9585WF1004 Wi-Fi Smart Thermostat is lighter at 200g vs 250g.