94.0
Amazon
Smart Plug, Works
Best for dedicated alexa users seeking the most reliable and easy-to-configure smart outlet.
- Alexa-exclusive optimization
- Space-saving horizontal profile
- 15 Amp maximum load capacity
$25
Head to head · Smart Home
Echo Show 21 (newest model) vs Smart Thermostat Premium
Ravvy scores Echo Show 21 (newest model) at 93.46 and Smart Thermostat Premium at 93.41. Echo Show 21 (newest model) takes the overall pick, best for busy families seeking a centralized digital command center and kitchen entertainment.
Ravvy pick
93.5
$400
The Echo Show 21 is the ultimate choice for large households wanting a wall mounted organization hub, provided you have the wall real estate to accommodate its substantial footprint.
ecobee
Smart Thermostat Premium
93.4
$249
The ecobee Premium is the best choice for tech-forward households that want integrated air quality monitoring and a premium aesthetic, even if the high price reflects features you might not use.
How they score
| Factor | Echo Show 21 (newest model) | Smart Thermostat Premium |
|---|---|---|
| Display Quality | 94 | – |
| Processing Power | 90 | – |
| Audio Performance | 88 | – |
| Interface Fluidity | 91 | – |
| Smart Home Integration | 98 | – |
| Feature Set | – | 94 |
| Design Quality | – | 95.5 |
| Energy Efficiency | – | 91 |
| Installation Ease | – | 89 |
| Smart Integration | – | 98 |
Echo Show 21 (newest model)
What owners praise
- Expansive 21-inch Full HD display provides excellent visibility
- Integrated Fire TV experience with included physical remote
- Significantly improved audio quality with dedicated woofers
- Acts as a comprehensive smart home hub with Matter and Thread support
- Upgraded 13MP camera with 3.3x zoom for professional grade video calls
What to know first
- Large physical footprint may be overwhelming in smaller kitchens
- Stand is sold separately despite the premium price point
- Requires a permanent power connection and wall mounting for best look
Skip it if small apartments with limited wall space or users who prefer a portable tablet experience
Smart Thermostat Premium
What owners praise
- Integrated air quality and VOC monitoring
- Premium zinc metal frame and glass construction
- Includes a remote SmartSensor for room-specific tuning
- Built-in Siri and Alexa voice assistant support
- Works with almost all smart home ecosystems
What to know first
- Significantly more expensive than the Enhanced model
- Speaker quality is thin for music playback
- Siri integration requires a separate Apple home hub
Skip it if budget-conscious users who only need basic scheduling without extra sensors or metal finishes
Specs side by side
| Spec | Echo Show 21 (newest model) | Smart Thermostat Premium |
|---|---|---|
| Size | 1.5” x 5.6” x 0.7” (38.68 mm x 141.3 mm x 17.6 mm) | – |
| Audio | Two 2” woofers + two 0.6” tweeters | – |
| Camera | 13 MP + Shutter (Photo quality/size may vary) | – |
| Sensor | ALS RGB + Accelerometer | – |
| Weight | 0.1 lb (45g) (without batteries) | – |
| Display | 21” with 1920 x 1080 resolution. Use in landscape or portrait orientation. | – |
| Language | Alexa speaks English and Spanish | – |
| Batteries | 2 AAA (included) | – |
| Processor | Octa-core SoC with Amazon AZ2 neural network engine | – |
| Technology | Bluetooth | – |
| Compatibility | Echo Show 15, Echo Show 21, Fire TV Stick 4K (1st Gen and later), Fire TV Stick 4K Max (1st Gen and later), Fire TV Stick (3rd Gen) | – |
| Smart Home Hub | Zigbee + Matter + Thread Border Router | – |
Other options in this category
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Best for price-conscious fitness enthusiasts and growing families.
- 13 essential body composition metrics
- High-precision sensors with 0.2lb increments
- Sturdy tempered glass top with LED display
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93.9
Amazon
Echo Dot (newest model)
Best for smart home beginners and eero mesh wi-fi users.
- 1.6 inch full range driver
- eero Built-in Wi-Fi extension
- Integrated motion and thermal sensors
$50