Nothing Ear 3 VS Realme Buds Air 7 Pro

In terms of design, the Nothing Ear 3 and Realme Buds Air 7 Pro share nearly identical foundations: both are true wireless, in-ear earbuds with stereo audio, no neckband, and no wingtips or gimmicks like RGB lighting or UV sanitization. For most users, the day-to-day experience of wearing and handling either pair will feel very similar on paper.

The one tangible differentiator here is water and dust resistance. The Realme Buds Air 7 Pro carries an IP55 rating versus the Nothing Ear 3's IP54. While both offer solid sweat and splash protection, the higher second digit on the Realme's rating means it provides slightly better protection against water jets — a meaningful edge if you frequently work out in rain or near water, though for typical gym or commute use, IP54 is more than adequate.

Overall, the Realme Buds Air 7 Pro holds a narrow design edge purely due to its superior IP rating. Outside of that single spec difference, these two earbuds are effectively tied in design and form factor.

Both earbuds cover the same 20 Hz – 40,000 Hz frequency range, include active and passive noise cancellation, and support spatial audio — so the core listening experience starts from an equally capable baseline. Neither features premium audio processing certifications like Dolby Atmos or Dirac Virtuo, keeping them on equal footing in that regard.

Where things diverge slightly is in driver construction. The Nothing Ear 3 uses a marginally larger 12 mm driver compared to the Realme's 11 mm unit. A larger driver can move more air, which theoretically benefits bass weight and overall dynamics — though a 1 mm difference is modest and real-world impact depends heavily on tuning. More notably, the Realme Buds Air 7 Pro features a neodymium magnet in its driver, which the Nothing Ear 3 lacks. Neodymium magnets improve magnetic flux density, allowing for more precise and efficient driver movement — a genuine engineering advantage that can contribute to cleaner transient response and better detail retrieval.

These two factors partially offset each other: the Ear 3's larger driver favors low-end presence, while the Realme's neodymium magnet targets precision and efficiency. Given that driver quality generally benefits more from magnet strength than from a marginal size increase, the Realme Buds Air 7 Pro holds a slight edge in sound quality hardware — though the gap is narrow enough that software tuning will likely matter more in practice.

Earbud stamina tells an interesting story here. The Nothing Ear 3 leads on per-charge playtime at 10 hours versus the Realme's 8 hours — a meaningful gap for long-haul travelers or all-day listeners. However, flip on ANC and the dynamic shifts: the Ear 3 drops sharply to 5.5 hours, while the Realme Buds Air 7 Pro holds at a notably stronger 6 hours with ANC active. This suggests the Realme's ANC implementation is considerably more power-efficient relative to its baseline, making it the more consistent choice for users who keep noise cancellation on permanently.

Zoom out to total system endurance and the Realme pulls ahead again — its case delivers 40 hours combined versus the Ear 3's 32 hours, despite the Ear 3's case having a comparable 500 mAh capacity to the Realme's 530 mAh. The Ear 3 does charge faster at 1.2 hours versus 1.5 hours, and critically, it supports wireless charging — a genuine convenience advantage the Realme entirely lacks.

No single product dominates cleanly. The Nothing Ear 3 wins on raw per-earbud playtime (ANC off) and wireless charging convenience, while the Realme Buds Air 7 Pro wins on ANC endurance and total case capacity. Users who prioritize cord-free top-ups or rarely use ANC will favor the Ear 3; heavy ANC users or those who want maximum days between case charges should lean toward the Realme.

At the infrastructure level, these two earbuds are virtually identical — both run Bluetooth 5.4, share a 10 m range, support USB-C, AAC, and fast pairing, and neither offers NFC pairing, aptX variants, or Bluetooth LE Audio. The meaningful fork in the road comes down to a single codec choice: the Nothing Ear 3 supports LDAC, while the Realme Buds Air 7 Pro opts for LDHC.

Both are high-resolution wireless audio codecs designed to transmit significantly more data than standard SBC or AAC, but they come from different ecosystems. LDAC is Sony's widely adopted codec, natively supported across a large range of Android devices and streaming apps — making it immediately practical for most users. LDHC (also known as HWA) is a competing high-res codec with comparable bitrate potential, but its device compatibility is considerably narrower, meaning real-world high-res playback depends entirely on whether a user's source device supports it. For the majority of listeners, LDAC's broader ecosystem support translates to a more reliable path to actually hearing the codec's benefits.

The Nothing Ear 3 holds a practical edge in connectivity due to LDAC's vastly wider compatibility. The Realme's LDHC is technically capable, but its limited adoption makes it a less dependable high-res option for most users. If neither device you pair with supports either codec natively, both earbuds fall back to AAC — at which point they are completely tied.

Across every feature in this category, the Nothing Ear 3 and Realme Buds Air 7 Pro are in complete lockstep. Both offer ambient sound mode, in-ear detection, a find-device feature, fast charging, 2-device multipoint connectivity, mute, voice prompts, on-earbud touch controls, and even a travel bag in the box. There is not a single differentiating data point between them here.

The shared highlights are worth contextualizing: multipoint connection to two devices simultaneously is a genuinely useful daily-use feature, letting users seamlessly switch audio between a phone and laptop without manual re-pairing. In-ear detection adds convenience by auto-pausing playback when an earbud is removed, and fast charging ensures short top-up times — both practical wins that apply equally to either choice.

This group is a complete tie. No advantage can be awarded to either product based solely on the provided specs — every feature is mirrored exactly. A buyer's decision here will need to rest on the differentiators found in other spec groups.

Microphone hardware is identical across both earbuds: each deploys 6 microphones with noise-canceling capability. A six-mic array is a well-equipped setup at this tier — more microphones allow for more sophisticated beamforming, meaning the earbuds can better isolate the user's voice while suppressing ambient noise during calls. Combined with active noise-canceling mic processing, both should perform comparably well in noisy environments like busy streets or open offices.

With no differentiating data points available, this group is a complete tie. Neither the Nothing Ear 3 nor the Realme Buds Air 7 Pro holds any spec-based advantage in microphone hardware.