The new M1 Macs have taken over the Web with news about their astounding performance, an admirable feat for Apple’s first stab at an ARM-based desktop chip. The Apple Silicon ran circles around their Intel counterparts and even bested NVIDIA’s and AMD’s older desktop GPUs. Despite that, the MacBooks could probably still do even better if paired with an external graphics card or eGPU. 
…
Continue here:
https://www.slashgear.com/apple-silicon-m1-egpu-support-might-still-be-coming-22648455/