Lafiel on 19 May 2015
| JEMC said: Believe it or not, there are already 290X cards with 8GB of GDDR5. http://www.tomshardware.com/reviews/sapphire-vapor-x-r9-290x-8gb,3977.html And they don't use much more power (note that the review was comparing a reference 290X with the overclocked 8GB variant). But what that shed tells me, however, is that AMD would be crazy to launch a top end card with less memory than a mid-range one. It makes no sense. |
the vram size importance is overstated, HBM has tremendously higher bandwith than GDDR ram, meaning that lots of files that are better kept inside the GDDR ram could easily be deleted/overwritten in HBM and loaded into it when needed instead
additionally with GDDR you need bigger ram sizes to increase bandwith
