Impedance levels vary (16/47 ohm vs 480 ohm), which can affect compatibility and audio output when used with different devices. Both headphones are equipped with capable drivers that deliver balanced sound output suitable for music, calls, and entertainment. Sony WH-1000XM3 uses Bluetooth 4.2 while Sennheiser MOMENTUM On-Ear Wireless supports Bluetooth 4.0 + EDR, which can impact connectivity stability and efficiency. There is a noticeable difference in weight (255 gm vs 210 gm), which may affect comfort during extended use. Battery life varies between the two (30 Hrs (NC On), 38 Hrs (NC Off) vs 22 Hours), which affects how long you can use them on a single charge. Overall, both headphones are feature-rich and cater to users looking for a combination of sound quality, comfort, and wireless convenience. The frequency response differs (4 Hz - 40,000 Hz vs 16 Hz - 22000 Hz), which can influence how well the headphones reproduce lows, mids, and highs. Sony WH-1000XM3 and Sennheiser MOMENTUM On-Ear Wireless are premium wireless headphones designed to deliver high-quality sound along with advanced features like noise cancellation and long battery life. Both models feature noise cancellation, helping reduce background noise for a more immersive listening experience.

Verdict: Both headphones offer strong performance, and the right choice depends on your priorities such as battery life, comfort, and noise cancellation.