With Qualcomm's fanless Snapdragon 7c processor, the Galaxy Book Go is a tremendous value, but its CPU is one gen away from being great.

The promise of ARM-based processors in Windows laptops spans from super-thin, ultra-light, and fanless premium PCs to the lower-cost budget laptops. While there have been plenty of the former over the last few years, we haven't seen ARM-based PCs push down hard on the ultra-affordable market — until the Galaxy Book Go.