There are a wide variety of controller boards that we can use for our hardware projects. The two most popular among them are: Arduino and Raspberry Pi.
Arduino is based on the ATmega family and has a relatively simple design and software structure. Raspberry Pi, basically is a single-board computer. Both of them have a CPU which executes the instructions, timers, memory and I/O pins. The key distinction between the two is that Arduino tends to have a strong I/O capability which drives external hardware directly. Whereas Raspberry Pi has a weak I/O which requires transistors to drive the hardware.
Let’s see the difference between Arduino and Raspberry Pi :-
|S No.||Arduino||Raspberry Pi|
|1.||Control unit of Arduino is from Atmega family.||While control unit of Raspberry Pi is from ARM family.|
|2.||Arduino is based on a microcontroller.||While Raspberry Pi is based on a microprocessor.|
|3.||It is designed to control the electrical components connected to the circuit board in a system.||While Raspberry Pi computes data and produces valuable outputs, and controls components in a system based on the outcome of its computation.|
|4.||Arduino boards have a simple hardware and software structure.||While Raspberry Pi boards have a complex architecture of hardware and software.|
|5.||CPU architecture: 8 bit.||CPU architecture: 64 bit.|
|6.||It uses very less RAM, 2 kB.||While Raspberry Pi requires more RAM, 1 GB.|
|7.||It clocks a processing speed of 16 MHz.||While Raspberry Pi clocks a processing speed of 1.4 GHz.|
|8.||It is cheaper in cost.||While Raspberry Pi is expensive.|
|9.||It has a higher I/O current drive strength.||While Raspberry Pi has a lower I/O current drive strength.|
|10.||It consumes about 200 MW of power.||While it consumes about 700 MW of power.|
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