Now you are in the subtree of TECHNOLOGY and MARKETS public knowledge tree. 

Energy consumption in devices

...A processor running at full steam will consume 3,000 mW at its peak
...to be about 1,000 mW for a standard 5-in HD display, and rising to 1,500 mW for the quad HD screens.
... boosting its own transmission power, hence more power consumption. How much power: what is an average power of 1,000 – 1,500 mW could double or more

IoT

Under the control of a host processor, the MAX7037 consumes as little as 16 mA in transmit mode and 22 mA in receive, falling to just 100 nA in deep-sleep mode

One of the big challenges is understanding the target market, use cases and working environment to avoid over-engineering a solution, which will add cost, design time and unnecessary complexity

technical

An Analysis of Power Consumption in a Smartphone

for network microbenchmark
WiFi up to 700mW
GSM up to 600mW
CPU up to 100mW
RAM up to 50mW