| Series | Device | Family |
|---|---|---|
| Series 0 | EFM32ZG | Zero Gecko |
| EFM32HG | Happy Gecko | |
| EFM32TG | Tiny Gecko | |
| EFM32G | Gecko | |
| EFM32LG | Leopard Gecko | |
| EFM32GG | Giant Gecko | |
| EFM32WG | Wonder Gecko | |
| Series 1 | EFM32PG1 | Pearl Gecko |
| EFR32MG1 | Mighty Gecko | |
| EFR32BG1 | Blue Gecko | |
| EFR32FG1 | Flex Gecko | |
| EFM32PG12 | Pearl Gecko | |
| EFR32MG12 | Mighty Gecko | |
| EFR32BG12 | Blue Gecko | |
| EFR32FG12 | Flex Gecko | |
| EFR32MG13 | Mighty Gecko | |
| EFR32BG13 | Blue Gecko | |
| EFR32FG13 | Flex Gecko | |
| EFR32MG14 | Mighty Gecko | |
| EFR32FG14 | Flex Gecko | |
| EFM32GG11 | Giant Gecko | |
| EFM32TG11 | Tiny Gecko | |
| Series 2 | EFR32BG21 | Blue Gecko |
| EFR32MG21 | Mighty Gecko | |
| EFR32BG22 | Blue Gecko | |
| EFR32FG22 | Flex Gecko | |
| EFR32MG22 | Mighty Gecko | |
| EFM32PG22 | Pearl Gecko | |
| EFR32FG23 | Flex Gecko | |
| EFR32SG23 | Sidewalk Gecko | |
| EFR32ZG23 | Z-Wave Gecko | |
| EFM32PG23 | Pearl Gecko | |
| EFR32BG24 | Blue Gecko | |
| EFR32MG24 | Mighty Gecko | |
| EFR32FG25 | Flex Gecko | |
| EFR32BG27 | Blue Gecko | |
| EFR32MG27 | Mighty Gecko | |
| EFR32FG28 | Flex Gecko | |
| EFR32SG28 | Sidewalk Gecko | |
| EFR32ZG28 | Z-Wave Gecko | |
| EFM32PG28 | Pearl Gecko |
Source: https://github.com/SiliconLabs/peripheral_examples/blob/master/README.md