There is a noticeable difference in weight (232 gm vs 139.5 gm), which may affect comfort during extended use. Battery life varies between the two (12 Hours vs 40 Hours), which affects how long you can use them on a single charge. Impedance levels vary (16 ohm vs 32 Ohms), which can affect compatibility and audio output when used with different devices. If you're comparing Sennheiser Flex 5000 and Skullcandy Push Ultra, both models offer a strong combination of sound performance, comfort, and modern wireless features. The driver size differs between the two (NA vs 12.5 mm), which can influence sound depth, bass response, and overall audio clarity. Sennheiser Flex 5000 uses Bluetooth NA while Skullcandy Push Ultra supports Bluetooth 5.0, which can impact connectivity stability and efficiency. Sennheiser Flex 5000 and Skullcandy Push Ultra offer different noise cancellation capabilities (NA vs Active), which can impact how effectively they block external noise. The frequency response differs (15 Hz - 15000 Hz vs 20 Hz - 20000 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.

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