Short answer: the Nothing Ear. Both are rated 3.8/5 for sound quality (#569 and #566 of 1291 in-ear headphones), and the Nothing Ear costs $69 against $74.96 for the Realme Buds Air 6 Pro, so with nothing between them on sound quality, price settles it.
The case for the Nothing Ear: A smooth response in hobbyist measurements on squig.link, at a 1.8 dB standard deviation and a preference score of 71, with every band from 20 Hz to 10 kHz within about 2 dB of target. The tradeoff: A 6.2 dB dip near 10.5 kHz trims some top end sparkle, and a 4.5 dB peak near 7.9 kHz can add a little edge to sibilance.
Why pick the Realme Buds Air 6 Pro: These true wireless buds offer active noise cancelling, LDAC and AAC support, Bluetooth 5.3, IP55 water resistance and 10 hours per charge with 40 total from the case, at just 0 lbs (4.5 g) per earbud. The tradeoff: Air rises about 7 dB above target with a 5.6 dB peak near 11.9 kHz right after a 5.3 dB dip near 9.7 kHz, so the top end sounds uneven and can turn sizzly.
Buy the Nothing Ear. Both are rated the same for sound quality, and it costs $5.96 less than the Realme Buds Air 6 Pro.
Still deciding? The full Headphones rankings cover every ranked option.
A smooth response in hobbyist measurements on squig.link, at a 1.8 dB standard deviation and a preference score of 71, with every band from 20 Hz to 10 kHz within about 2 dB of target.
Amazon $69.00 eBay
These true wireless buds offer active noise cancelling, LDAC and AAC support, Bluetooth 5.3, IP55 water resistance and 10 hours per charge with 40 total from the case, at just 4.5 g per earbud.
Amazon $74.96 eBayPrices on this page were last checked October 16, 2026 at 5:46 PM UTC. Product prices and availability are accurate as of that date/time and are subject to change; the price and availability shown on Amazon at the time of purchase will apply to the purchase of this product.
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Specifications Side By Side
| Nothing Ear | Realme Buds Air 6 Pro | |
|---|---|---|
| Price | $69.00 | $74.96 |
| Ranked | #569 of 1291 in In-Ear Headphones | #566 of 1291 in In-Ear Headphones |
| Form Factor | In-ear | In-ear |
| Back | Closed | Closed |
| Harman Preference Score | 71 (median of 2 squig.link measurements, calibrated to AutoEQ) | 71 (median of 4 squig.link measurements, calibrated to AutoEQ) |
| Deviation From Target | 1.76 dB standard deviation | 1.91 dB standard deviation |
| Tonal Tilt | -0.15 (negative is warmer, positive brighter) | -0.67 (negative is warmer, positive brighter) |
| Sub-bass Extension | Within 6 dB of target down to 20 Hz (-2.8 dB at 30 Hz) | Within 6 dB of target down to 20 Hz (-0.1 dB at 30 Hz) |
| Connection | True wireless | True wireless |
| Driver Type | Dynamic | Hybrid (1 dynamic + 1 planar magnetic) |
| Drivers | 1 x 11mm dynamic | 1 x 11mm dynamic + 1 x 6mm planar magnetic |
| Weight | 0 lbs (4.62 g) per earbud | 0 lbs (4.5 g) per earbud |
| Active Noise Cancelling | Yes | Yes |
| Battery Life | 8.5 hours (40.5 with case, Manufacturer specified) | 10 hours (40 with case, Manufacturer specified) |
| Bluetooth Version | 5.3 | 5.3 |
| Bluetooth Codecs | SBC, AAC, LDAC, LHDC 5.0 | SBC, AAC, LDAC |
| Built-in Microphone | Yes | Yes |
| IP Rating | IP54 | IP55 |
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