Updated March 2026
Data from Amazon and official Sonoff site.
2026 verdict
In 2026, Sonoff Wifi Smart Plug S60 is the better overall pick. It wins the broader comparison through price and maximum load power, while its broader overall balance helps confirm the result. Sonoff Wifi Smart Plug S40 is still relevant if you care most about integrations, but Sonoff Wifi Smart Plug S60 is the stronger recommendation overall. That is enough to make Sonoff Wifi Smart Plug S60 the better pick for most buyers.
| Feature | Sonoff Wifi Smart Plug S40 | Sonoff Wifi Smart Plug S60 | Winner |
|---|---|---|---|
| Price | $18.99 | €13.07 | Sonoff Wifi Smart Plug S60 |
| Maximum Load Power | 1800W | 4000W | Sonoff Wifi Smart Plug S60 |
| Integrations | Google Home, Alexa, Samsung SmartThings, Home Assistant, IFTTT | Google Home, Alexa, Home Assistant, IFTTT | Sonoff Wifi Smart Plug S40 |
| Plug Format | Type B | Type F | Different strengths |
| Rating | 4.4 | 4.4 | Tie |
| Warranty | 1 year | 1 year | Tie |
| Weather Resistance | NO | NO | Tie |
| Overheat/Overload Protection | YES | YES | Tie |
| Energy Monitoring | YES | YES | Tie |
| Connectivity | 2.4 GHz Wifi, Bluetooth | 2.4 GHz Wifi, Bluetooth | Tie |
| On/Off Button | YES | YES | Tie |
| Zibgee Router | NO | NO | Tie |
$18.99
- + Integrations: Google Home, Alexa, Samsung SmartThings, Home Assistant, IFTTT
- - Price: $18.99 vs €13.07
- - Maximum Load Power: 1800W vs 4000W
Winner
€13.07
- + Price: €13.07
- + Maximum Load Power: 4000W
- - Integrations: Google Home, Alexa, Home Assistant, IFTTT vs Google Home, Alexa, Samsung SmartThings, Home Assistant, IFTTT
Frequently Asked Questions (FAQ)
- Which is better overall: Sonoff Wifi Smart Plug S40 or Sonoff Wifi Smart Plug S60?
- Sonoff Wifi Smart Plug S60 has the stronger overall profile in this comparison, especially for price and maximum load power.
- What is the biggest difference between Sonoff Wifi Smart Plug S40 and Sonoff Wifi Smart Plug S60?
- Price is one of the clearest differences: Sonoff Wifi Smart Plug S40 lists $18.99, while Sonoff Wifi Smart Plug S60 lists €13.07.
- Which one looks better on price?
- Sonoff Wifi Smart Plug S40 is listed at $18.99, while Sonoff Wifi Smart Plug S60 is listed at €13.07. Sonoff Wifi Smart Plug S60 (better spec).
- Who should buy Sonoff Wifi Smart Plug S40?
- Choose Sonoff Wifi Smart Plug S40 if your priority is integrations and that matters more than price.
- Who should buy Sonoff Wifi Smart Plug S60?
- Choose Sonoff Wifi Smart Plug S60 if your priority is price and maximum load power and that matters more than integrations.
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