Comparing 2 of 3 boards
| Spec | Arduino Arduino UNO R3 | Arduino Arduino Mega 2560 R3 | |
|---|---|---|---|
| Compute | |||
| MCUDiffers | ATmega328P | ATmega2560 | |
| Architecture | AVR (8-bit) | AVR (8-bit) | |
| Clock (MHz) | 16 | 16 | |
| Memory | |||
| RAMDiffers | 2 KB | 8 KB | |
| FlashDiffers | 32 KB | 256 KB | |
| Connectivity | |||
| Wireless | — | — | |
| InterfacesDiffers | UART, SPI, I2C, ADC | UART x4, SPI, I2C, ADC | |
| I/O | |||
| GPIO pinsDiffers | 20 | 70 | |
| Power | |||
| Voltage | 5 V | 5 V | |
| Physical | |||
| DimensionsDiffers | 68.6 × 53.4 mm | 101.5 × 53.3 mm | |
| Form factorDiffers | UNO | Mega | |
| Weight (g)Differs | 25 | 37 | |
| Price & availability | |||
| PriceDiffers | ₹1,199 | ₹1,899 | |
| AvailabilityDiffers | Low stock | In stock | |