True Wireless
Nothing CMF Buds 2a
78Great
$42
Full review dataNothing CMF Buds 2a vs Realme Buds T300: 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 T300
62Average
$28
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 T300
Sound6.5
Noise cancelling6.0
Battery6.5
Value7.0
Specifications
| Spec | Nothing CMF Buds 2a | Realme Buds T300 |
|---|---|---|
| Type | True Wireless | True Wireless |
| Price (USD) | $42 | $28 |
| HearWiki score | 78 / 100 · Great | 62 / 100 · Average |
| Released | 2024 | 2023 |
| Audio | ||
| Driver | 12.4mm Bio-fibre | dynamic |
| Driver size | 12.4 mm | 12.4 mm |
| Drivers per side | 2 | 2 |
| Frequency response | 20Hz-20kHz | 20 Hz - 20,000 Hz |
| Impedance | - | 32 Ω |
| Wireless | ||
| Bluetooth | 5.4 | 5.3 |
| Bluetooth version | 5.4 | 5.3 |
| Codecs | AAC, SBC | SBC, AAC |
| Multipoint pairing | Yes | Yes |
| Latency | - | 50 ms |
| Wireless range | - | 10 m |
| Battery | ||
| Battery life | 8 h | 8 h |
| Battery life (ANC on) | 5 h | 6 h |
| Battery incl. case | 35.5 h | 40 h |
| Full charge time | 89 min | 10 min |
| Quick charge | 10 min = 5.5 h | 10 min = 7 h playback |
| Wireless charging | No | No |
| Features | ||
| Active noise cancelling | Yes | - |
| ANC type | feedforward | adaptive |
| Transparency mode | Yes | Yes |
| Companion app | Yes | Yes |
| Custom EQ | Yes | Yes |
| Wear detection | No | Yes |
| Controls | touch | touch |
| Voice assistant | Yes | Yes |
| Design | ||
| Weight | 4.28 g | 8.2 g |
| Case weight | 42.75 g | 40 g |
| Water resistance | IP54 | IP55 |
| USB-C | Yes | Yes |
| Calls | ||
| Microphones | 4 | 4 |
| Call noise reduction | - | 4-mic call noise cancellation / 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 T300
The Realme Buds T300 are budget-friendly true wireless earbuds that pack adaptive noise cancellation, a sizable 12.4mm dynamic driver, and solid battery endurance. With Bluetooth 5.3, multipoint connectivity, and a low-latency mode, they aim to deliver versatile performance for calls, music, and gaming at an accessible price point. Their IP55 rating and lightweight build make them a practical daily companion, though their audio tuning leans toward consumer-friendly bass rather than neutral accuracy.
- Pro:Effective adaptive ANC for the price
- Pro:Long battery life with the charging case
- Pro:Multipoint connection and low latency mode
- Con:Sound signature may lack detail for critical listeners
- Con:No aptX or LDAC support, only AAC
- Con:Touch controls can be finicky at times
Summaries are AI-condensed and paraphrased from published reviews and specs - not original hands-on testing. More on our method.
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