True Wireless
Nothing CMF Buds 2a
78Great
$42
Full review dataNothing CMF Buds 2a vs Realme Buds Air 3 Neo: which should you buy?
On aggregated review scores the Nothing CMF Buds 2a comes out ahead with an HearWiki score of 78. The full breakdown - sub-scores, specs and what reviewers actually said - is below.
Our pick: Nothing CMF Buds 2a - Great overall at around $42.
True Wireless
Realme Buds Air 3 Neo
68Good
$22
Full review dataScore breakdown
Each axis is a 0–10 blend of what reviewers scored, not a lab measurement.
Nothing CMF Buds 2a
Sound8.0
Noise cancelling7.5
Battery7.0
Calls6.5
Value9.0
Realme Buds Air 3 Neo
Sound6.5
Noise cancelling6.6
Battery7.0
Calls5.5
Value8.0
Specifications
| Spec | Nothing CMF Buds 2a | Realme Buds Air 3 Neo |
|---|---|---|
| Type | True Wireless | True Wireless |
| Price (USD) | $42 | $22 |
| HearWiki score | 78 / 100 · Great | 68 / 100 · Good |
| Released | 2024 | 2022 |
| Audio | ||
| Driver | 12.4mm Bio-fibre | dynamic |
| Driver size | 12.4 mm | 10 mm |
| Drivers per side | 2 | 2 |
| Frequency response | 20Hz-20kHz | 20Hz-20kHz |
| Impedance | - | 16 Ω |
| Wireless | ||
| Bluetooth | 5.4 | 5.2 |
| Bluetooth version | 5.4 | 5.2 |
| Codecs | AAC, SBC | SBC, AAC |
| Multipoint pairing | Yes | Yes |
| Latency | - | 88 ms |
| Wireless range | - | 10 m |
| Battery | ||
| Battery life | 8 h | 7 h |
| Battery life (ANC on) | 5 h | - |
| Battery incl. case | 35.5 h | 30 h |
| Full charge time | 89 min | 120 min |
| Quick charge | 10 min = 5.5 h | 10 min = 12 h |
| Wireless charging | No | No |
| Features | ||
| Active noise cancelling | Yes | No |
| ANC type | feedforward | none |
| Transparency mode | Yes | No |
| Companion app | Yes | Yes |
| Custom EQ | Yes | Yes |
| Wear detection | No | No |
| Controls | touch | touch |
| Voice assistant | Yes | yes |
| Design | ||
| Weight | 4.28 g | 4 g |
| Case weight | 42.75 g | 49 g |
| Water resistance | IP54 | IPX5 |
| Detachable cable | - | No |
| USB-C | Yes | Yes |
| Calls | ||
| Microphones | 4 | 2 |
| Call noise reduction | - | AI ENC |
What reviewers said
Nothing CMF Buds 2a
The Nothing CMF Buds 2a deliver a compelling mix of solid audio performance, adaptive noise cancellation, and long battery life at a very accessible price point. They are a practical pick for budget-conscious listeners who want reliable everyday earbuds with app-based customization, though they come with some expected trade-offs in materials and features.
- Pro:Strong value for the price
- Pro:Adaptive ANC with 42 dB reduction
- Pro:Good battery life with case
- Con:Plasticky build quality
- Con:No in-ear detection
- Con:Limited codec support (AAC, SBC)
Realme Buds Air 3 Neo
The Realme Buds Air 3 Neo are an affordable pair of true wireless earbuds that focus on comfort, improved sound, and solid battery life for the price. While they lack active noise cancellation and have some build and mic shortcomings, they remain a dependable budget pick for everyday listening. Their bass-forward tuning and multipoint connectivity add value, though they don't stand out dramatically among competitors.
- Pro:Comfortable fit for extended wear
- Pro:Improved sound quality with punchy bass
- Pro:Long battery life with charging case
- Con:No active noise cancellation
- Con:Microphone performance is weak
- Con:Plasticky build and scratch-prone case
Summaries are AI-condensed and paraphrased from published reviews and specs - not original hands-on testing. More on our method.
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