So, the answer is no – there are no 128 bit operating systems. … None of these require 128 bits. 32 bits of address space was a bit small for real applications, but 64 bits is plenty. 64 bits address space x 64 bit data words = ~147 exabytes of data.

Which is better 128 bit or 64 bit?

The difference between a 64 bit and a 128 bit memory bus is that the 128 memory bus is usually twice as fast as the graphics card with the 64 bit memory bus. This means more data can get to its destination per second effectively making it faster.

What is the highest bit computer?

In computer architecture, 512-bit integers, memory addresses, or other data units are those that are 512 bits (64 octets) wide. Also, 512-bit CPU and ALU architectures are those that are based on registers, address buses, or data buses of that size.