is this a hardware or software limitation?
Both. Apple Silicon could have the best of both worlds if it supported dGPU/eGPU tech, but Apple depreciated that about a decade ago. So you're stuck with fast RAM and a slow GPU.
alt Hacker News
Both. Apple Silicon could have the best of both worlds if it supported dGPU/eGPU tech, but Apple depreciated that about a decade ago. So you're stuck with fast RAM and a slow GPU.