Question

The architecture of the Raspberry Pi is ARM, while that of most desktops and laptops today is often referred to as (Intel) x86 AMD64 . Develop a table consisting of a list of 5 items that 1 compares the two. Which is more common in the world today?

Answer 1

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The following are the key differences between the ARM and the (Intel) x86 AMD64 :

1. ARM processors fit into a family called RISC which stands for Reduced Instruction Set Computing. Intel processors, on the other hand, fit into a family called CISC which stands for Complex Instruction Set Computing.

2. Due to the adoption of the RISC in ARM, more instructions are required to do tasks, which results in an increase in memory consumption and longer execution times, compared to the (Intel) x86 AMD64.

3. ARM cores excel in low-power designs with many of their cores (if not most) not requiring heat-sinks. Intel cores consume a lot more power than ARM cores due to their increased complexity. A high-end Intel I-7 can consume as much as 130W of power whereas the mobile Intel processors (such as Atom and Celeron) consume anywhere between 6W to 30W.

4. ARM-based systems are currently limited in what operating systems can be installed due to the majority of operating systems being written for x86-based computers. Intel-based devices have the advantage of running just about any operating system that can run on a standard desktop PC, including Windows and Linux.

5. For projects that don’t require complex displays (such as monitors), then ARM is most likely to be the choice. This comes down to several factors, including the cost of ARM microcontrollers, what packages are available, and the wide variety offered by multiple vendors. Intel architectures are used for developing more complex embedded systems which might include display devices, input devices etc
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