To complement information we published yesterday, Arstechnica reviewed Photoshop CS4. While description of the interface and/or the changes when compared to CS3 might be useful for some users, other information affecting performance level might be even more critical:
- Open GL acceleration for redrawing windows is limited by both the VRAM available on the graphic card and the display resolution. Indeed, a MacBook Pro featuring a graphic card associated with 256 MB of VRAM and plugged to an external display with a resolution of 1920x1200 will only be able to get 7 windows with Open GL-based accelerated redrawing.
- Then the Mac 32-bits and PC 64-bits versions were compared. With small size file, around 50 MB, the Mac is slightly faster, however when dealing with much larger image file (here 900 MB), the PC ve
