>>3691572You weren't wrong about energy efficiency at least. Aside from the A7III in the third column the S is the smaller, lighter, and has better battery life than the S1H and R5. I'm thinking the bad battery on EVF for the S is mostly due to the much higher res it is. The R5 has roughly the same battery capacity as the Sony while the Panasonic battery is around 900mAh larger. All on 7.2V.