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by srcmap
2982 days ago
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2W when idle is very high. Are you sure it is just the Core A53 or is it measured in power/battery connection which account for the display, wifi, DDR, IO, etc? I did power profile for cellphone SOC couple years ago. Typical power usage for CPU is very low - milli-watts or less range for IDLE, worst case 1-2 W at full performance mode OP (Operating Point). When I profiled it, the Display, Wifi module consumed a lot more power than CPU/SOC during "normal" operations. |
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I can't guarantee about the precision; 2W may be 1.5W or 2.5W on my tool (it doesn't have decimals), although, I've measured my XU4 consumption, and it's consistent with third party measurements (5W on idle).