Battery life varies between the two (8 Hours vs 24 Hours), which affects how long you can use them on a single charge. The driver size differs between the two (40 mm vs 13 mm X 2), which can influence sound depth, bass response, and overall audio clarity. Impedance levels vary (32 ohm vs 16 ohm), which can affect compatibility and audio output when used with different devices. There is a noticeable difference in weight (118 Gm vs 37 Gm), which may affect comfort during extended use. boAt Rockerz 400 PK Edition and boAt Rockerz 333 ANC offer different noise cancellation capabilities (Passive vs ANC), which can impact how effectively they block external noise. Both models provide a wide frequency range, delivering a balanced audio experience across different types of content. In general, both options are suitable for everyday use including music, calls, travel, and work-from-home scenarios. boAt Rockerz 400 PK Edition and boAt Rockerz 333 ANC are well-known options in the wireless headphone segment, offering a balance of audio quality, battery performance, and smart features. boAt Rockerz 400 PK Edition uses Bluetooth 4.1 while boAt Rockerz 333 ANC supports Bluetooth 5.3, which can impact connectivity stability and efficiency.

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