Power consumption


Arietta G25

Condition uSD WiFi
Turn on 37mA
Boot Yes 85mA
Login CPU 0% Yes 60mA
CPU 100% Yes 85mA
Login CPU 0% Yes Yes 79mA WiFi not associated
Login CPU 0% Yes Yes 133mA WiFi associated
CPU 100% Yes Yes 160mA Download over WiFi

Aria G25

With LAN cable connected

State microSD clock mA@3.3V Watt
Boostrap 44MHz 210 mA 0.69 Watt
Idle 44MHz 169 mA 0.56 Watt
Idle 30MHz 168 mA 0.55 Watt
Idle 20MHz 167 mA 0.55 Watt
Idle 10MHz 166 mA 0.55 Watt
Idle 2.5MHz 165 mA 0.54 Watt

With LAN cable disconnected

State microSD clock mA@3.3V Watt
Boostrap 44MHz 120 mA 0.40 Watt
Idle 44MHz 82 mA 0.27 Watt
Idle 30MHz 79 mA 0.26 Watt
Idle 20MHz 78 mA 0.26 Watt
Idle 10MHz 77 mA 0.25 Watt
Idle 2.5MHz 76 mA 0.25 Watt


These are the commands to reduce the microSD clock frequency:

mount -t debugfs none /sys/kernel/debug
echo -n 2500000 > /sys/kernel/debug/mmc0/clock

Acqua A5

Condition Acqua A5 256E Acqua A5 512
During boot ETH cable detached 189mA @ 3.3V (622 mW) 176mA @ 3.3V (580 mW)
Idle after boot CPU 1% ETH cable detached 144mA @ 3.3V (475 mW) 132mA @ 3.3V (437 mW)
CPU load 100% (memtester) ETH cable detached 204mA @ 3.3V (675 mW) 194mA @ 3.3V (641 mW)
During boot ETH cable attached 238mA @ 3.3V (784 mW) 223mA @ 3.3V (736 mW)
Idle after boot CPU 1% ETH cable attached 194mA @ 3.3V (641 mW) 180mA @ 3.3V (593 mW)
CPU load 100% (memtester) ETH cable attached 256mA @ 3.3V (846 mW) 242mA @ 5V (798 mW)
Idle after boot CPU 1% ETH switched off (cable doesn't matter) 91mA @ 3.3V (299 mW) 95mA @ 3.3V (314 mW)
CPU load 100% (memtester) ETH switched off (cable doesn't matter) 154mA @ 3.3V (508 mW) 150mA @ 5V (494 mW)

RoadRunner A5

Conditions: Vin = 3.3V

Phy Ethernet chip OFF Cable Any I (mA) P (mW)
100% CPU (memtester) 143 472
Max during Boot 136 449
idle at prompt 84 277
standby state 43 142
Ultra LowPower 1 (ULP1) (resume in 159ms) 5.3 17
shutdown -h now 0 0
Phy Ethernet chip ON Cable OFF I (mA) P (mW)
100% CPU (memtester) 187 617
Max during Boot 181 597
idle at prompt 128 422
standby state 47 155
Ultra LowPower 1 (ULP1) (resume in 159ms) 9.2 30
shutdown -h now 0 0
Phy Ethernet chip ON Cable ON I (mA) P (mW)
100% CPU (memtester) 227 749
Max during Boot 230 759
idle at prompt 177 584
standby state 47 155
Ultra LowPower 1 (ULP1) (resume in 159ms) 9.1 30
shutdown -h now 0 0
Battery backup current consumption: 3.5 uA @ 3V