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. Both models feature noise cancellation, helping reduce background noise for a more immersive listening experience. Both headphones are equipped with capable drivers that deliver balanced sound output suitable for music, calls, and entertainment. 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. Overall, both headphones are feature-rich and cater to users looking for a combination of sound quality, comfort, and wireless convenience. 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. Impedance levels vary (16/47 ohm vs 480 ohm), which can affect compatibility and audio output when used with different devices. If you're comparing Sony WH-1000XM3 and Sennheiser MOMENTUM On-Ear Wireless, 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.