SBC
cpu load and power (without any peripherals)
Raspberry (all 5V)
| model | conditions | power |
|---|---|---|
| 5 (C1) | Idle | 3.3W |
| 5 (C1) | stress-ng | 9.8W |
| 5 (D0) | Idle | 2.4W |
| 5 (D0) | stress-ng | 8.9W |
| 4B | Idle | 540 mA (2.7 W) |
| 4B | ab -n 100 -c 10 (uncached) | 1010 mA (5.1 W) |
| 4B | 400% CPU load (stress --cpu 4) | 1280 mA (6.4 W) |
| 3B+ | HDMI off, LEDs off | 350 mA (1.7 W) |
| 3B+ | HDMI off, LEDs off, onboard WiFi | 400 mA (2.0 W) |
| 3B+ | desktop, 1080p video | 510 - 520 mA |
| 3B | HDMI off, LEDs off | 230 mA (1.2 W) |
| 3B | HDMI off, LEDs off, onboard WiFi | 250 mA (1.2 W) |
| 3B | desktop, 1080p video | 360 - 390 mA |
| 2B | HDMI off, LEDs off | 200 mA (1.0 W) |
| 2B | HDMI off, LEDs off, USB WiFi | 240 mA (1.2 W) |
| 2B | desktop, 1080p video | 350 - 370 mA |
| Zero 2 W | HDMI off, LED off | 100 mA (0.6 W) |
| Zero 2 W | HDMI off, LEDs off, onboard WiFi | 120 mA (0.7 W) |
| Zero W | desktop, 1080p video | 170 - 270 mA |
| Zero | HDMI off, LED off | 80 mA (0.4 W) |
| Zero | HDMI off, LED off, USB WiFi | 120 mA (0.7 W) |
| Zero | 1080p video | 140 mA |
| B+ | HDMI off, LEDs off | 180 mA (0.9 W) |
| B+ | HDMI off, LEDs off, USB WiFi | 220 mA (1.1 W) |
| B+ | desktop, 1080p video | 240 -340 mA |
| A+ | HDMI off, LEDs off | 80 mA (0.4 W) |
| A+ | HDMI off, LEDs off, USB WiFi | 160 mA (0.8 W) |
| A+ | desktop, 1080p video | 140 -250 mA |
Arduino
| model | current | voltage |
|---|---|---|
| Uno R3 | 50 mA | 5V |
| Nano | 10 - 30 mA | 3.3V |
| pro mini 8MHz | 5 mA | 3.3V |
| pro mini 1MHz | 500 uA | 1.8V |
CPU
ARM Cortex M0+ (32-Bit Single-Core 48MHz 256KB FLASH)
- idle 1.3 mA - 2.4 mA
- simple load 4 - 6 mA
Radio components
Bluetooth Low Energy
NINA B3 (Arduino Nano 33)
- sleep 1 - 2 uA
- connected, standby 8dbm 1 mA (3.3V) 1.6 mA (1.8V)
- TX burst 1kB/10ms 2Mbit 14 mA
Sources:
- https://www.raspberrypi-spy.co.uk/2018/11/raspberry-pi-power-consumption-data/
- https://www.pidramble.com/wiki/benchmarks/power-consumption
- https://raspi.tv/2018/how-much-power-does-raspberry-pi-3b-use-power-measurements
- https://www.iot-experiments.com/arduino-pro-mini-power-consumption/
- https://www.jeffgeerling.com/blog/2024/new-2gb-pi-5-has-33-smaller-die-30-idle-power-savings