The driver size differs between the two (32 mm vs 11 mm), which can influence sound depth, bass response, and overall audio clarity. Overall, both headphones are feature-rich and cater to users looking for a combination of sound quality, comfort, and wireless convenience. If you're comparing JBL T450BT and Realme Buds Air 3S, both models offer a strong combination of sound performance, comfort, and modern wireless features. JBL T450BT uses Bluetooth 4.0 while Realme Buds Air 3S supports Bluetooth 5.3, which can impact connectivity stability and efficiency. JBL T450BT and Realme Buds Air 3S offer different noise cancellation capabilities (NA vs AI ENC), which can impact how effectively they block external noise. Battery life varies between the two (11 Hours vs 30 Hours), which affects how long you can use them on a single charge. Impedance levels vary (32 ohm vs NA), which can affect compatibility and audio output when used with different devices. There is a noticeable difference in weight (320 gm vs 57 Gm), which may affect comfort during extended use. The frequency response differs (20 Hz - 20000 kHz vs 115 HZ To 20000 KHz), which can influence how well the headphones reproduce lows, mids, and highs.

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