Realme Buds Air 3S vs boAt Airdopes 391 – Which Headphones Are Better? (2026)

IPX5 Water Resistant. 69ms Super Low Latency. Next- Level Crystal-Clear Calling. 10 mins charge 5 hours playback. 4-Mic Design AI ENC Call Noise Reduction. 11mm Liquid Silicone Triple Titanium Bass driver. Thanks to the stereo surround sound of Dolby Atoms.

1 Year warranty. With its IWP technology you can connect the buds to your device the moment you open the lid. Airdopes 391 is IPX4 rated offering protection against sweat and splash which makes it perfect for outdoor and daily workouts. Donâ€™t stress over charging time as Airopes 391 offers a playtime of 1.5 hours after charging them for only 5 mins courtesy of its fast charge. Leave all charging worries at bay as the Airdopes 391 delivers a playback of upto 4.5 hours per charge and an additional 18 hours with the case. Airdopes 391 is equipped with Qualcomm cVc Call Noise Isolation which delivers the most optimum voice quality so that you can be heard clearly on calls. Airdopes 391 comes with Qualcomm aptX which reduces latency to keep the audio and video in sync to ensure that you have an immersive listening experience.

Key Differences

Realme Buds Air 3S uses Bluetooth 5.3 while boAt Airdopes 391 supports Bluetooth 5.0, which can impact connectivity stability and efficiency. The frequency response differs (115 HZ To 20000 KHz vs 20 Hz - 20000 Hz), which can influence how well the headphones reproduce lows, mids, and highs. Realme Buds Air 3S and boAt Airdopes 391 offer different noise cancellation capabilities (AI ENC vs CVC), which can impact how effectively they block external noise. There is a noticeable difference in weight (57 Gm vs 47.9 Gm), which may affect comfort during extended use. The driver size differs between the two (11 mm vs 6 mm), which can influence sound depth, bass response, and overall audio clarity. In general, both options are suitable for everyday use including music, calls, travel, and work-from-home scenarios. Battery life varies between the two (30 Hours vs 4.5 / 18 Hours), which affects how long you can use them on a single charge. Realme Buds Air 3S and boAt Airdopes 391 are well-known options in the wireless headphone segment, offering a balance of audio quality, battery performance, and smart features.

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

Top Differences

Battery Life: 30 Hours vs 4.5 / 18 Hours
Noise Cancelling: AI ENC vs CVC
Driver Size: 11 mm vs 6 mm
Bluetooth: 5.3 vs 5.0
Weight: 57 Gm vs 47.9 Gm

Compare Realme Buds Air 3S with:

Compare boAt Airdopes 391 with:

Key Differences

Top Differences