Nokia Comfort Earbuds + uses Bluetooth 5.1 while boAt Airdopes 621 supports Bluetooth 5.0, which can impact connectivity stability and efficiency. From a usability standpoint, both models provide a reliable and premium headphone experience. The frequency response differs (20 Hz To 20000 kHz vs 20 Hz - 20000 Hz), which can influence how well the headphones reproduce lows, mids, and highs. Nokia Comfort Earbuds + and boAt Airdopes 621 offer different noise cancellation capabilities (Active vs NA), which can impact how effectively they block external noise. The driver size differs between the two (10 mm vs 6 mm), which can influence sound depth, bass response, and overall audio clarity. There is a noticeable difference in weight (48.17 gm vs 129 Gm), which may affect comfort during extended use. Impedance levels vary (NA vs 16 ohm), which can affect compatibility and audio output when used with different devices. If you're comparing Nokia Comfort Earbuds + and boAt Airdopes 621, both models offer a strong combination of sound performance, comfort, and modern wireless features. Battery life varies between the two (29 Hours vs 5 / 7 / 150 Hours), which affects how long you can use them on a single charge.

Verdict: Both models are competitive, and your decision should be based on your usage needs and preferred features.