The first thing I noticed when I unboxed the 780M was how short and stout it was. At 1.8 by 4.9 by 3.9 inches (HWD), the 780M is flatter and wider than the MX Master 4, with a round base I often associate with ergonomic mice. I do miss the hump at the center of the MX Master 4, which arcs the hand slightly; with the 780M, my hand lies flatter across the top of the mouse, which took some getting used to. Weight-wise, you’re looking at 4.4 ounces, almost an ounce lighter than the MX Master 4 (5.2…
