The driver size differs between the two (13 mm vs 10 mm), which can influence sound depth, bass response, and overall audio clarity. The frequency response differs (20 Hz - 20000 Hz vs 20Hz - 20KHz), which can influence how well the headphones reproduce lows, mids, and highs. If you're comparing boAt Airdopes 131 and Unix Elite 4 Runx, both models offer a strong combination of sound performance, comfort, and modern wireless features. Battery life varies between the two (3 / 12, 60 Hours vs 54 Hours), which affects how long you can use them on a single charge. Impedance levels vary (NA vs 25 Ohms), which can affect compatibility and audio output when used with different devices. boAt Airdopes 131 uses Bluetooth 5.0 while Unix Elite 4 Runx supports Bluetooth 5.4, which can impact connectivity stability and efficiency. From a usability standpoint, both models provide a reliable and premium headphone experience. boAt Airdopes 131 and Unix Elite 4 Runx offer different noise cancellation capabilities (NA vs Environmental Noise Cancelling), which can impact how effectively they block external noise. There is a noticeable difference in weight (45 Gm vs 150 GM), which may affect comfort during extended use.

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