The frequency response differs (20 Hz - 20000 Hz vs 20 Hz - 20KHz), which can influence how well the headphones reproduce lows, mids, and highs. boAt Rockerz 255 Pro and boAt Rockerz 518 offer different noise cancellation capabilities (No vs NA), which can impact how effectively they block external noise. There is a noticeable difference in weight (26 gm vs 230 GM), which may affect comfort during extended use. boAt Rockerz 255 Pro uses Bluetooth 5.0 while boAt Rockerz 518 supports Bluetooth 4.1, which can impact connectivity stability and efficiency. The driver size differs between the two (10 mm vs 50 mm), which can influence sound depth, bass response, and overall audio clarity. Battery life varies between the two (6 Hours vs 20 Hours), which affects how long you can use them on a single charge. In general, both options are suitable for everyday use including music, calls, travel, and work-from-home scenarios. Impedance levels vary (16 ohm vs 32 ohm), which can affect compatibility and audio output when used with different devices. If you're comparing boAt Rockerz 255 Pro and boAt Rockerz 518, 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.