Nothing Ear (a) vs Realme Buds Air 5 Pro: Which One Actually Wins?

I had both boxes open on my desk for three weeks, switching earpieces mid-call to settle an argument with myself: Nothing Ear (a) or Realme Buds Air 5 Pro? Spec sheets alone couldn't answer it, so I ran both through identical tests to find out. Nothing's transparent design draws the eye first, but Realme leads with aggressive ANC numbers on paper. Neither claim told me which one I'd actually reach for every morning.

So I did the only thing that settles a Nothing Ear (a) vs Realme Buds Air 5 Pro debate properly: I wore each one for over 20 hours, across commutes, calls, and the same test playlist, and logged what changed between them. Here's what actually separates these two budget ANC earbuds once the marketing copy gets out of the way.

How I Tested Both Earbuds Side-by-Side

Every comparison on this site follows the same structured process, and this one was no different. I logged over 20 hours of wear time on each earbud across identical conditions: the same commute route, the same noisy cafe, and the same 30-track test playlist spanning bass-heavy electronic, acoustic vocals, and podcast speech.

For ANC specifically, I tested both pairs against the same HVAC hum and the same simulated street-traffic recording, switching earbuds every five minutes to avoid bias from ear fatigue. Sound signature testing relied on direct A/B switching mid-track rather than separate listening sessions days apart, since memory alone is an unreliable way to compare audio.

Full Spec Comparison: Nothing Ear (a) vs Realme Buds Air 5 Pro

Design and Build Quality

Nothing's transparent shell is the first thing people notice, and it earned more unprompted comments from strangers than any other budget earbud I've tested. The exposed internals aren't just a gimmick, they make the case genuinely easy to identify by feel in a bag full of cables. Build quality felt solid, with no creaking or flex in the hinge after weeks of daily use.

The stem design also matters more than people expect for grip during insertion. Nothing's slightly longer stem gave me a more confident hold when pulling the earbuds out one-handed, something I noticed specifically during gym sessions where sweaty fingers made grip a real factor. The matte-finish stem resisted fingerprint smudging better than I anticipated, too, staying cleaner-looking after weeks of pocket carry than most earbuds at this price.

The Realme Buds Air 5 Pro takes a more conventional glossy-shell approach, which some buyers will actually prefer if they find Nothing's design too attention-grabbing for daily wear. Fit-wise, both sat securely during my commute tests, though the Realme's slightly smaller shell suited smaller ear canals a touch better during extended wear. Neither pair loosened noticeably during a 45-minute outdoor run, though I'd still recommend checking ear tip sizing carefully regardless of which one you choose, since fit affects both comfort and ANC seal quality.

IP rating is worth a mention too, since both earbuds carry similar splash resistance suitable for light rain or sweat, though neither is built for swimming or heavy water exposure. If your use case leans toward gym workouts specifically, factor that limitation into your decision regardless of which design you prefer.

Nothing Ear (a) vs Realme Buds Air 5 Pro Sound Quality

The Nothing Ear (a) hit harder in the low end during my Daft Punk test playlist, with a noticeably warmer bass than the Realme's flatter, more neutral tuning. What surprised me was how the Realme pulled ahead on vocal clarity instead, especially during podcast listening, where its more neutral signature let speech sit forward without competing against bass.

I ran a more specific A/B test using Hans Zimmer's orchestral scores to check how each pair handled dynamic range, since wide swings between quiet and loud passages tend to expose weaknesses budget drivers usually hide during typical pop or hip-hop listening. The Nothing Ear (a) held up surprisingly well here, with cymbal hits staying crisp rather than smearing into harshness at higher volumes. The Realme handled the same passages competently but with slightly less separation between instrument layers, particularly in busier sections with strings and brass overlapping.

Neither earbud will satisfy an audiophile chasing studio-flat accuracy, but for casual listening across genres, the Nothing Ear (a)'s fuller sound made a stronger first impression. However, listeners who prioritize vocal-forward content like podcasts or audiobooks may genuinely prefer the Realme's more restrained tuning instead. Soundstage width also leaned slightly in Nothing's favor during my testing, with a marginally wider sense of space on tracks recorded with heavy stereo separation.

Which Has Better ANC: Nothing Ear (a) or Realme Buds Air 5 Pro

ANC depth favors the Realme on paper, rated higher in dB reduction at roughly 42dB against Nothing's measured 40dB. Real-world testing told a slightly different story once both earbuds faced the same noisy cafe, though. The Realme handled steady-state noise like HVAC hum marginally better, while the Nothing Ear (a) felt more consistent against sudden noise spikes like a door closing nearby.

Wind noise turned out to be the most revealing test for both pairs. During an outdoor walk on a moderately windy afternoon, the Realme's ANC introduced a faint but noticeable hiss artifact that wasn't present indoors, while the Nothing Ear (a) handled the same conditions with less added noise, though its transparency mode picked up slightly more ambient chatter than I expected when I switched it on for a quick safety check crossing a street.

For commuters dealing primarily with constant engine or train noise, the Realme's slight edge in steady-state ANC matters more than the spec sheet gap suggests. For office workers facing unpredictable noise bursts, the Nothing Ear (a)'s more even response across noise types may actually feel more reliable day to day. Adaptive ANC, which adjusts based on detected noise levels, performed similarly between both pairs, with neither showing the jarring pressure-pumping sensation that plagues cheaper ANC implementations.

App Ecosystem and EQ Customization

This is where the Nothing Ear (a) pulled clearly ahead. The Nothing X app offers a genuinely useful 8-band EQ with saveable custom presets, alongside firmware updates that have meaningfully improved ANC performance since launch based on my testing across two separate firmware versions.

Realme Link, by comparison, felt more like a functional afterthought. Basic EQ presets exist, but custom band adjustment is limited, and gesture remapping options are noticeably shallower than what Nothing offers. If a deep, evolving app ecosystem matters to your buying decision, this category alone may settle the Nothing Ear (a) vs Realme Buds Air 5 Pro question for you.

Nothing Ear (a) vs Realme Buds Air 5 Pro Battery Life

Battery life slightly favors the Realme Buds Air 5 Pro, which delivered around 6 hours of playback with ANC active during my testing, compared to roughly 5.5 hours from the Nothing Ear (a) under identical conditions. Neither result is class-leading, but the gap is small enough that it shouldn't be the deciding factor on its own.

Case charging speed told a similar story, with both pairs reaching a usable partial charge within 10 minutes in a pinch. If all-day battery life without a midday top-up genuinely matters more than design or app depth to you, the Realme's modest edge here is worth factoring in.

Call Quality and Microphone Performance

I tested both pairs on the same noisy-street call to compare voice isolation directly. The Nothing Ear (a) delivered clearer voice isolation, cutting more background traffic noise without thinning out my own voice in the process. The Realme performed well too, but let in slightly more background bleed during the same test conditions.

I also ran a second test indoors with a box fan running nearby, closer to a typical work-from-home scenario than a street corner. Results held steady with the outdoor findings: the Nothing Ear (a) suppressed the fan noise more effectively on the recipient's end, while the Realme let a faint hum through that was noticeable but not distracting. Neither pair fully matched the call clarity I've measured from dedicated call-focused earbuds like the Jabra Elite 3, but both performed respectably for earbuds whose primary design focus is ANC and music rather than calls specifically.

For anyone whose earbuds double as a primary work headset, that gap matters more than it might first appear. Heavy call users specifically may want to weigh this category more heavily than sound signature or design when making a final decision.

Who Should Buy Which One

Choose the Nothing Ear (a) if you want a more complete package: warmer sound, a more mature app, clearer calls, and a design that stands out in a sea of identical black earbuds. It's the safer overall recommendation for most buyers based on this testing, especially if you split your listening fairly evenly between music and calls.

Choose the Realme Buds Air 5 Pro if your budget ceiling is firmer, steady-state ANC matters more than design flair, and you don't plan to spend much time in a companion app fine-tuning EQ settings. It remains a genuinely strong value pick, just a narrower one than the Nothing Ear (a). Students and first-time ANC buyers in particular may appreciate its simpler, more straightforward feature set without sacrificing core noise cancellation performance.

Pros & Cons: Nothing Ear (a) vs Realme Buds Air 5 Pro

More Alternatives Worth Considering

If neither of these two quite fits what you're after, a few other budget ANC options are worth a look depending on which trade-off matters most to you.

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M. Maksudur Rahman Titu

Founder, Trendy Tech Reviews

🎧 30+ earbuds tested · 3+ years in tech reviewing

M. Maksudur Rahman Titu has tested more than 30 wireless earbuds, evaluating each one through real-world use rather than spec sheets alone. As founder of Trendy Tech Reviews, he focuses on budget audio gear under $100, with a particular ear for sound signature and ANC artifacts.