Powerconsumption differance between BPI-M1 A20 and OrangePi A20

Hi,

 

I did read a lot about temperature and power consumption on this forum.

Most is about bad parameters for the Orange Pi H3 boards.

I use armbian 5.25 stable with 3.4.113-sun7i kernel.

On both i run this same version, the only difference is that i use an other script.bin on the orangepi. The script.bin who is in the distrubution.

 

I dont use a heatsink on both.

I noticed the following

On the Orange Pi:

Load1 is max 0.50 with 2 values of 1.00, avg 0.20-0.25

Load15 is between 0.08 and 0.14

The temperature is between 49 degrees and 52 degrees Celcius

The PMU current is between 400 and 800 mA

PMU Consumption 2000-4000 mW

 

On the BananaPi:

Load1 is max 0.50 with 2 spikes of  0.75 and 2 of 1.5, avg 0.3 - 0.35

Load15 is between 0.14 and 0.16

The temperature is between 38 en 42

PMU current is between 250 and 500 mA

PMU Consumption 1200-2900 mW

 

I see that the Bananapi has a little more load, but has a much better powerconsumption (lower) and a much better PMU temperature.

 

My question, which variables do i have to tweak in script.bin to get the orangepi, more or less the same as the bananapi.

 

I ask this because i'm running tests on different boards:

I have tested the H3 (OrangePi plus with no heatsink-with version armbian 5.20)on duration with a few programs (see below)and after

2 days 8 hours and 14 min all froze (no input possible)

the same after 1 day 7 hours and 58 min

 

I have run one test with the Orange Pi A20 - it stopped after 7 days 1 hour and 56 min.

Now im testing with both the Orange Pi A20 and the BananaPi M1 (A20)

(I want a board to run day and night - year after year)

But i'm a little bit worried about the high temp of the Orange Pi

(PS i have ordered heat sinks, but i think this will only lower the temp with about 3 degrees)

 

Just for heaving an idea from the load.

What have i installed:

-task-lxee-desktop

-task-xfce-desktop

-xfce

-xfce-goodies

-icewaesel

-samba-common

-gvfs-backends

-python (2.7) + pyserial

-rrdtool

-nginx

-armbianmonitor

-rpimonitor

-arduino 1.6.1

 

on both there is a arduino-leonardo - which gets its power from the pi

 

running:

2 sessions of vncserver

a webbrowser nginx

an indexpage which is build every 1 min

rrdtool building every 5 min 30 graphs, and 4 new html-pages

a read from ttyACM0 continously by python and a write to 4 rrdtool databases every 5 min.

and a test every min if pyhonscript is running.

 

Thanks

 

Erik

 

 

Checked script.bin

The script.bin is mostly equal.

The dvfs_table is.

 

So i think the difference is a hardware thing. So i can do nothing about the greater power consumption.

Can only hope Shenzhen Xunlong Software CO.,Limited will do something about this on future boards.

 

[dvfs_table]
max_freq = 912000000
min_freq = 720000000
LV_count = 7
LV1_freq = 1008000000
LV1_volt = 1450
LV2_freq = 912000000
LV2_volt = 1425
LV3_freq = 864000000
LV3_volt = 1350
LV4_freq = 720000000
LV4_volt = 1250
LV5_freq = 528000000
LV5_volt = 1150
LV6_freq = 312000000
LV6_volt = 1100
LV7_freq = 144000000
LV7_volt = 1050