What are the differences between each Shelly Gen?
Discover everything about Shelly Generations and how each Generation enhances your home automation experience!
| Feature | Shelly Gen 1 | Shelly Gen 2 | Shelly Gen 3 | Shelly Gen 4 |
| Wifi Connectivity | 2.4 GHz WiFi | 2.4 GHz WiFi | 2.4 GHz WiFi | 2.4 GHz WiFi (WiFi 6 Supported) |
| Processing Power | Entry-Level | Higher-Performance Processors | Shelly Chip for Enhanced Performance | Top Tier Processing Power |
| Memory | Basic | Enhanced Memory (Up to 4MB Flash; 8MB Flash for PRO Devices) | Largest Memory Capacity (8MB Flash, 256KB RAM) | Largest Memory Capacity (512KB RAM) More RAM than Gen 3 |
| Bluetooth Support | × | ✅ | ✅ | ✅ |
| Bluetooth Gateway Support | × | ✅(For BLU Devices, excluding Shelly BLU TRV) | ✅(For BLU Devices, excluding Shelly BLU TRV) | ✅(For BLU Devices) |
| Scripting Capabilities | × | ✅ | ✅ | ✅ |
| Energy Monitoring | Entry-Level (In Select Models) | Upgraded in Certain Models | Enhanced Power Monitoring and Safety Controls | Enhanced Power Monitoring and Safety Controls |
| Device Control | MQTT, CoAP. HTTP Webhooks | MQTTS, HTTP/HTTPS Webhooks; Simultaneous MQTT & Cloud Support | MQTTS, HTTP/HTTPS Webhooks; Simultaneous MQTT & Cloud Support | MQTTS, HTTP/HTTPS Webhooks; Simultaneous MQTT & Cloud Support |
| Virtual Components Support | × | ✅(Pro Only) | ✅ | ✅ |
| KNXnet/IP Support | × | ✅(Certain Models) | ✅(Certain Models) | ✅(Certain Models) |
| Bluetooth Gateway Support | × | Compatible with BLU Devices, excluding Shelly BLU TRV (Requires Shelly BLU Gateway Gen 3) | Compatible with BLU Devices, excluding Shelly BLU TRV (Requires Shelly BLU Gateway Gen 3) | Compatible with BLU Devices, excluding Shelly BLU TRV (Requires Shelly BLU Gateway Gen 3) |
| KVS (Key-Value Store) | × | ✅ | ✅ | ✅ |
| Timer Loop | × | Simultaneous Auto On and Off | Simultaneous Auto On and Off | Simultaneous Auto On and Off |
| Range Extender | × | ✅ | ✅ | ✅(WiFi and Zigbee) |
| Simultaneous AP & WiFi | × | ✅ | ✅ | ✅ |
| Ethernet Support | × | ✅(Pro Only) | ✅(Pro Only) | ✅(Pro Only) |
| Best Use Case | Ideal for Essential Home Control | Enhanced Automation and Scripting Capabilities with Upgraded Hardware | Top-Tier Features for Next Level Automation and Future-Ready Solutions | Powerful Multiproof Automation, Engineered for Flexibility and Futureproofing |
| Additional Protocol Support | × | BThome, Virtual Components (Pro Only), Simultaneous MQTT & Cloud, KNX | BThome, KNXnet/IP, Matter Protocol in some devices, Virtual Components, Simultaneous MQTT & Cloud | BThome, KNXNet/IP, Matter Protocol, TCP/IP Modbus, Simultaneous MQTT & Cloud |