Winner
Data from Amazon and official Shelly and Sonoff sites.
2026 verdict
Between Shelly 3EM-63W Gen3 and Sonoff MINI PM Zigbee Power Meter (Non-Switch), Shelly 3EM-63W Gen3 is the better overall pick in 2026, leading on rating, warranty, and metering.
Its biggest wins come from rating, warranty, and metering, and local control and load management add more confidence to the verdict. Sonoff MINI PM Zigbee Power Meter (Non-Switch) still makes sense if integrations are your priority, but most buyers should still lean toward Shelly 3EM-63W Gen3. For most setups, Shelly 3EM-63W Gen3 is the smarter buy.
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| Feature | Shelly 3EM-63W Gen3 | Sonoff MINI PM Zigbee Power Meter (Non-Switch) | Winner |
|---|---|---|---|
| Rating | 4.6 | 4.1 | Shelly 3EM-63W Gen3 |
| Warranty | 3 years | 2 years | Shelly 3EM-63W Gen3 |
| Metering | Three-Phase Support, Solar Net Metering, Power Factor Readings | Solar Net Metering | Shelly 3EM-63W Gen3 |
| Integrations | Google Home, Alexa, Samsung SmartThings, Home Assistant | Google Home, Alexa, Apple HomeKit, Samsung SmartThings, Home Assistant, Matter | Sonoff MINI PM Zigbee Power Meter (Non-Switch) |
| Local Control | Local API, MQTT, Local Web Interface | None | Shelly 3EM-63W Gen3 |
| Load Management | YES | NO | Shelly 3EM-63W Gen3 |
| Breaker Panel Install | YES | YES | Tie |
| Smart Meter Port | NO | NO | Tie |
| Connectivity | 2.4 GHz WiFi, Bluetooth | Bluetooth, Zigbee | Tie |
| Data & Monitoring | Energy Cost Tracking, Time-of-Use Rates, Data Export, Usage Alerts | Energy Cost Tracking, Time-of-Use Rates, Data Export, Usage Alerts | Tie |
| Relay Output | NO | NO | Tie |
Winner
Price unavailable right now
- + Rating: 4.6
- + Warranty: 3 years
- + Metering: Three-Phase Support, Solar Net Metering, Power Factor Readings
- - Integrations: Google Home, Alexa, Samsung SmartThings, Home Assistant vs Google Home, Alexa, Apple HomeKit, Samsung SmartThings, Home Assistant, Matter
$15.90
- + Integrations: Google Home, Alexa, Apple HomeKit, Samsung SmartThings, Home Assistant, Matter
- - Rating: 4.1 vs 4.6
- - Warranty: 2 years vs 3 years
Frequently Asked Questions
Which is better overall: Shelly 3EM-63W Gen3 or Sonoff MINI PM Zigbee Power Meter (Non-Switch)?
Shelly 3EM-63W Gen3 has the stronger overall profile in this comparison, especially for rating, warranty, and metering.
What is the biggest difference between Shelly 3EM-63W Gen3 and Sonoff MINI PM Zigbee Power Meter (Non-Switch)?
Rating is one of the clearest differences: Shelly 3EM-63W Gen3 lists 4.6, while Sonoff MINI PM Zigbee Power Meter (Non-Switch) lists 4.1.
Who should buy Shelly 3EM-63W Gen3?
Choose Shelly 3EM-63W Gen3 if your priority is rating and warranty and that matters more than integrations.
Who should buy Sonoff MINI PM Zigbee Power Meter (Non-Switch)?
Choose Sonoff MINI PM Zigbee Power Meter (Non-Switch) if your priority is integrations and that matters more than rating.
Full comparison table
Compare all 23 Energy Monitors side by side
You are looking at two of them. The full table lines up all Energy Monitors in the catalog with the same specs, so you can filter by what you need and sort by price or rating.
- 23 Energy Monitors
- 46 specs compared
- 43 filters
SonoffMINI PM Matter Over WiFi Power Meter (Non-Switch)
$15.90
ShellyPro EM-50
$119.99
EmporiaVue 3
$199.99
ShellyEM Gen3
$69.99- Shelly
3EM-63W Gen3
EmporiaVue 3 3-Phase
$209.99
ShellyPro 3EM v2
$154.99
ShellyEM Gen4
SonoffPOWCT
$38.19
ShellyEM Mini Gen4
$24.99
RefossEM06P
ShellyPro 3EM 3CT63
$150.99
MerossEM06P
MerossEM16P
10% OFF$199.99$179.99
AeotecHome Energy Meter 8
$95.99
ShellyPro 3EM-400
$329.99
RefossEM16P
10% OFF$199.99$179.99
SonoffMINI PM Zigbee Power Meter (Non-Switch)
$15.90
EmporiaVue Utility Connect
$39.99
RefossEM01P
16% OFF$82.99$69.99
DisplaysShellyWall Display X1i
DisplaysShellyWall Display XL
4.2(59)$349.99
DisplaysShellyWall Display
4.4(432)18% OFF€147.56€121.33
Door & Window SensorsShellyBLU Door/Window ZB
$22.99- Energy MonitorsShelly
3EM-63W Gen3
4.6(137) - Energy MonitorsShelly
EM Gen3
4.6(256)$69.99 - Energy MonitorsShelly
EM Gen4
- Energy MonitorsShelly
EM Mini Gen4
4.5(108)$24.99 - Energy MonitorsShelly
Pro 3EM 3CT63
4.4(315)$150.99 - Energy MonitorsShelly
Pro 3EM-400
4.2(19)$329.99 - Energy MonitorsShelly
Pro 3EM v2
4.6(55)$154.99 - Energy MonitorsShelly
Pro EM-50
4.6(939)$119.99 
Gas DetectorsShellyGAS (CNG)
4.2(45)
Gas DetectorsShellyGAS (LPG)
LED BulbsShellyMulticolor Bulb E27 Gen3
Motion SensorsShellyBLU Motion ZB
4.4(21)$26.99
Motion SensorsShellyBlu Motion
4.0(1,017)$25.99
PlugsShellyPlug M Gen3
4.5(716)$14.99
PlugsShellySmart Plug UL
4.1(150)$24.99
PlugsShellySmart Plug (US)
4.4(346)29% OFF$30.87$22.00
Air Quality MonitorsSonoffSAWF-07P Air Quality Monitor
3.7(178)$39.90
Air Quality MonitorsSonoffSAWF-08P Air Quality Monitor
4.2(162)$49.90
CamerasSonoffCAM GlassView
$34.90
CamerasSonoffCam Slim Gen2
4.4(158)5% OFF$19.90$18.91
CamerasSonoffGK-200MP2-B
4.0(149)30% OFF$9.99$6.99
DisplaysSonoffNSPanel Pro Gen2
3.6(10)€149.90
DisplaysSonoffNSPanel Pro
4.0(70)$129.90
DonglesSonoffDongle Lite MG21
4.6(401)25% OFF$24.90$18.68
DonglesSonoffDongle Max
4.2(544)
DonglesSonoffDongle Plus MG24
4.7(630)$35.90
DonglesSonoffDongle Plus PP10
4.7(70)$35.90
DonglesSonoffDongle-PZG23
4.6(167)10% OFF$39.90$35.91
DonglesSonoffZBDongle-E
4.6(3,697)$24.90
DonglesSonoffZBDongle-P
4.6(5,627)15% OFF$39.99$34.07
Door & Window SensorsSonoffDW2-WIFI
3.8(1,059)$12.23
Door & Window SensorsSonoffSNZB-04 ZigBee Wireless Door/Window Sensor
3.8(102)$17.99
Door & Window SensorsSonoffSNZB-04P ZigBee Door/Window Sensor
3.9(12)$18.99
Door & Window SensorsSonoffSenseGuard DW Gen2
4.4(171)- Energy MonitorsSonoff
MINI PM Matter Over WiFi Power Meter (Non-Switch)
$15.90 - Energy MonitorsSonoff
MINI PM Zigbee Power Meter (Non-Switch)
4.1(82)$15.90