When we’re talking about a memory interface, there are a bunch of salient specifications, but the two most important are generally its width and its transfer rate. Usually, when we hear about new memory, the main marketing merit is its sky-high transfer rate, but Samsung’s taking a different tack with GDDR6W.
Specifically for PC GPUs, memory
Source: Hot Hardware – Samsung Unveils GDDR6W Graphics Memory Enabling 2X Capacity And A Huge Performance Lift