There is a noticeable difference in weight (3 gm vs 50 gm), which may affect comfort during extended use. The frequency response differs (5 Hz - 24,000 Hz vs 20 Hz - 20,000 Hz), which can influence how well the headphones reproduce lows, mids, and highs. Both models support modern Bluetooth connectivity, ensuring stable wireless performance with compatible devices. Sony MDR-EX155AP and JBL C100SI - White are premium wireless headphones designed to deliver high-quality sound along with advanced features like noise cancellation and long battery life. Impedance levels vary (16 ohm vs 16±3.2 ohm), which can affect compatibility and audio output when used with different devices. Both headphones offer solid battery performance, making them suitable for long listening sessions and travel. In general, both options are suitable for everyday use including music, calls, travel, and work-from-home scenarios. 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.

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