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

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.

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.

Key Differences

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. 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. Overall, both headphones are feature-rich and cater to users looking for a combination of sound quality, comfort, and wireless convenience. 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. Realme Buds Air 3S uses Bluetooth 5.3 while boAt Airdopes 391 supports Bluetooth 5.0, which can impact connectivity stability and efficiency. 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.

Verdict: Choosing between Realme Buds Air 3S and boAt Airdopes 391 depends on whether you value better sound, longer battery life, or enhanced 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

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Key Differences

Top Differences