It is the easiest way to add more brainpower within the same architecture. Think: adding more RAM or another GPU. Different architectures, like in tech, have d

It is the easiest way to add more brainpower within the same architecture. Think: adding more RAM or another GPU. Different architectures, like in tech, have different specs. More is not always better, as a bigger brain is costly, and the price is only sometimes justified - as with buying more GPUs.