There is a noticeable difference in weight (140 g (without cable) vs 203 g), which may affect comfort during extended use. Sony MDR-XB250 and Philips SHL3210BK-00 are premium wireless headphones designed to deliver high-quality sound along with advanced features like noise cancellation and long battery life. Both headphones offer solid battery performance, making them suitable for long listening sessions and travel. Both models support modern Bluetooth connectivity, ensuring stable wireless performance with compatible devices. The frequency response differs (5 - 40,000 Hz vs 18 Hz -22000 Hz), which can influence how well the headphones reproduce lows, mids, and highs. The driver size differs between the two (30 mm vs 40 mm), which can influence sound depth, bass response, and overall audio clarity. Impedance levels vary (24 ohms vs 32 Ohms), which can affect compatibility and audio output when used with different devices. Sony MDR-XB250 and Philips SHL3210BK-00 offer different noise cancellation capabilities (No vs NA), which can impact how effectively they block external noise. From a usability standpoint, both models provide a reliable and premium headphone experience.

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