| Humidity | Magnetic | Optical | Temperature | |
| Sensing Technology | Capacitance | Hall Effect | IR, ALS, UV | Delta Vbe |
| Package Type | DFN, QFN | SOT23, TO92, DFN | Module, Optical QFN | DFN, QFN |
| Power Consumption | 1.8 µA @ 1 Hz (high resolution) | 400 nA @ 5 Hz | 3 µA @ 1.25 Hz | 195 nA @ 1 Hz |
| Max Accuracy | 3 % | 0.9mT BOP | — | 0.1 °C |
| Interface | I²C, PWM | I²C, GPIO, PWM, Analog, SENT | I²C | I²C, GPIO |
| Featured Product | Si7021 | Si7210 | Si115x | Si705x |
