One of the purposes of this comparison is to show how a DX-format Nikon can give you more for your money than a similarly-priced FX model, and this is most apparent for action photography, where the D500 excels. The smaller mirror and shutter assembly allows high-speed continuous shooting without a massive step up in cost, and the D500 has a powerful Expeed 5 processor and twin cards slots, one of which uses super-fast XQD memory cards. It can shoot continuously at 10 frames per second and capture up to 200 RAW images in a single burst. The D750 cannot come close to this performance. continuous shooting: 10fps RAW: 200 shots JPEG: 200 shots buffer capacity: 200/200 shots
The D500 is an out-and-out sports specialist that easily outperforms the D750 for action photography. It might seem expensive for a DX model, but you’re getting (almost) the performance of the Nikon D5. But while it’s perfect for telephoto photography, the relative lack of pro-spec shorter focal length lenses means the DX format has limits for other areas of photography.