There is a noticeable difference in weight (200 gm vs NA), which may affect comfort during extended use. boAt Rockerz 450 uses Bluetooth 4.2 while boAt Rockerz 255R supports Bluetooth 4.1, which can impact connectivity stability and efficiency. The driver size differs between the two (40 mm vs 10 mm), which can influence sound depth, bass response, and overall audio clarity. Battery life varies between the two (8 Hours vs 6 Hours), which affects how long you can use them on a single charge. boAt Rockerz 450 and boAt Rockerz 255R are premium wireless headphones designed to deliver high-quality sound along with advanced features like noise cancellation and long battery life. In general, both options are suitable for everyday use including music, calls, travel, and work-from-home scenarios. Both models provide a wide frequency range, delivering a balanced audio experience across different types of content. boAt Rockerz 450 and boAt Rockerz 255R offer different noise cancellation capabilities (NA vs No), which can impact how effectively they block external noise. Impedance levels vary (32 ohm vs 16 ohm), which can affect compatibility and audio output when used with different devices.

Verdict: Choosing between boAt Rockerz 450 and boAt Rockerz 255R depends on whether you value better sound, longer battery life, or enhanced features.