boAt BassHeads 103 and Realme Buds Classic (Black) offer different noise cancellation capabilities (Passive vs NA), which can impact how effectively they block external noise. Both models support modern Bluetooth connectivity, ensuring stable wireless performance with compatible devices. There is a noticeable difference in weight (50 gm vs 14 gm), which may affect comfort during extended use. Impedance levels vary (16 ohm vs 32 ohm), which can affect compatibility and audio output when used with different devices. The driver size differs between the two (10 mm vs 14.2 mm), which can influence sound depth, bass response, and overall audio clarity. The frequency response differs (20 Hz - 20000 Hz vs 20 Hz - 20,000 Hz), which can influence how well the headphones reproduce lows, mids, and highs. boAt BassHeads 103 and Realme Buds Classic (Black) are premium wireless headphones designed to deliver high-quality sound along with advanced features like noise cancellation and long battery life. From a usability standpoint, both models provide a reliable and premium headphone experience. Both headphones offer solid battery performance, making them suitable for long listening sessions and travel.

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