Impedance levels vary (16/47 ohm vs 33 ohm), which can affect compatibility and audio output when used with different devices. Sony WH-1000XM3 and Bowers & Wilkins PX7 S2 offer different noise cancellation capabilities (Active vs ANC), which can impact how effectively they block external noise. There is a noticeable difference in weight (255 gm vs 307 gm), which may affect comfort during extended use. The frequency response differs (4 Hz - 40,000 Hz vs 10 Hz - 30000 kHz), which can influence how well the headphones reproduce lows, mids, and highs. Battery life varies between the two (30 Hrs (NC On), 38 Hrs (NC Off) vs 30 Hours), which affects how long you can use them on a single charge. Sony WH-1000XM3 uses Bluetooth 4.2 while Bowers & Wilkins PX7 S2 supports Bluetooth 5.2, which can impact connectivity stability and efficiency. Sony WH-1000XM3 and Bowers & Wilkins PX7 S2 are premium wireless headphones designed to deliver high-quality sound along with advanced features like noise cancellation and long battery life. From a usability standpoint, both models provide a reliable and premium headphone experience. Both headphones are equipped with capable drivers that deliver balanced sound output suitable for music, calls, and entertainment.

Verdict: Choosing between Sony WH-1000XM3 and Bowers & Wilkins PX7 S2 depends on whether you value better sound, longer battery life, or enhanced features.