 Link | Raspberry Pi B | Arduino Nano |
|---|---|---|
| Product details | ||
| Processing Unit | BCM2835 Processor | ATmega328P micro controller |
| Clock Speed | Yes 700MHz | No 16MHz |
| RAM | Yes 512 MB | No 2 KB |
| Connectivity | ||
| USB | Yes 2x USB 2.0 | Yes mini-USB |
| HDMI port | Yes | No |
| Ethernet | Yes | No Via external module + requires suitable code |
| Wi-Fi | - Via USB dongle | No Via external module + requires suitable code |
| Bluetooth® | - Via USB dongle | No Via external module + requires suitable code |
| I²C | Yes | Yes |
| Logic level | - 3.3V - Compatible with less sensors | Yes 5V |
| GPIO | Yes 26-pins | - 14 Digital (6 PWM) + 6 Analog |
| Other | ||
| Program Execution | Yes Programs can run at the same time | No One program can run at once |
| Price | No 35$ | Yes 5$ |
| Size | - 85.6 mm × 54.0 mm | Yes 43.2 mm × 18.5 mm |
| Power rating | - 700 mW | Yes 175 mW |