I “Remote Desktop” from a low spec tablet to high spec desktop all the time, but I’m not doing intensive graphics work, just software development work (back end so not much graphical). In the case of Windows and Remote Desktop (built into Windows), and assuming the applications work on drawing instructions to repaint the display instead of plain bitmap rendering, then it’s actually quite efficient over RDP. Bitmap rendering shoves the traffic up big time (that includes double buffered apps as I discovered recently, but decent ones should drop the double buffering when over a remote connection).
The problem I have is with lag where the mouse clicks in particular have a slight delay.
Animation, bitmap rendering, videos, then you’re getting slow.
There was an attempt to do this kind of thing for gaming with servers playing the games and remote sessions rendering the graphics locally. I forget the name of the project now, but think it got scrapped.
CAD stuff might work better with Remote Desktop if it’s mainly line drawing render. Once into 3D work, bitmaps and textures then it may not be so great.
Ideally you want a thin client type of solution but depends on an application that can do that. I’d guess in the Apple world you might have it. They’re promoting all kinds of fluffy upcoming graphic stuff for iPads which look to me like back ends that are doing the grunt work in the cloud and iPad apps as the client.