permacomputing

commit 330af8919bd68975f2ef963f037c3ffb40cc40a3
parent c04073b7a4228f80f1b8f383bef545db6d4d617f
Author: orx <orx@web>
Date:   Thu, 27 Mar 2025 10:43:53 +0100

empty web commit

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SBC_power_consumption.mdwn
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+##SBC 
+
+load, power (without any peripherals)
+
+###Raspberry (all 5V)
+
+* 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 
+
+* 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/