The frequency response differs (8 - 22,000 Hz vs 15 - 28,000 Hz), which can influence how well the headphones reproduce lows, mids, and highs. The driver size differs between the two (40 mm vs 45 mm), which can influence sound depth, bass response, and overall audio clarity. There is a noticeable difference in weight (230 g without cable vs ‎308 gm), which may affect comfort during extended use. Battery life varies between the two (Music Playtime: 13 hr, Talk Time: 10 hr, Standby Time: 150 hr vs 40 Hours), which affects how long you can use them on a single charge. Sony MDR-ZX750BN uses Bluetooth 3.0 while Audio Technica ATH-M50xBT PB supports Bluetooth 5.0, which can impact connectivity stability and efficiency. From a usability standpoint, both models provide a reliable and premium headphone experience. Impedance levels vary (40 ohms vs 38 ohms), which can affect compatibility and audio output when used with different devices. Sony MDR-ZX750BN and Audio Technica ATH-M50xBT PB offer different noise cancellation capabilities (Yes (Digital Noise Canceling) vs No), which can impact how effectively they block external noise. If you're comparing Sony MDR-ZX750BN and Audio Technica ATH-M50xBT PB, both models offer a strong combination of sound performance, comfort, and modern wireless features.

Verdict: Both models are competitive, and your decision should be based on your usage needs and preferred features.