Both models provide a wide frequency range, delivering a balanced audio experience across different types of content. 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 (22 Hours vs 10 / 40 Hours), which affects how long you can use them on a single charge. From a usability standpoint, both models provide a reliable and premium headphone experience. There is a noticeable difference in weight (105 gm vs 45 Gm), which may affect comfort during extended use. boAt Rockerz 380 uses Bluetooth 5.0 while boAt Immortal 121 supports Bluetooth 5.3, which can impact connectivity stability and efficiency. boAt Rockerz 380 and boAt Immortal 121 are premium wireless headphones designed to deliver high-quality sound along with advanced features like noise cancellation and long battery life. Impedance levels vary (32 ohm vs NA), which can affect compatibility and audio output when used with different devices. boAt Rockerz 380 and boAt Immortal 121 offer different noise cancellation capabilities (CVC vs NA), which can impact how effectively they block external noise.

Verdict: Choosing between boAt Rockerz 380 and boAt Immortal 121 depends on whether you value better sound, longer battery life, or enhanced features.