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Nothing CMF Buds 2 vs Nothing CMF Buds 2a: which should you buy?

On aggregated review scores the Nothing CMF Buds 2 comes out ahead with an HearWiki score of 82. The full breakdown - sub-scores, specs and what reviewers actually said - is below.

Our pick: Nothing CMF Buds 2 - Great overall at around $58.

Score breakdown

Each axis is a 0–10 blend of what reviewers scored, not a lab measurement.

Nothing CMF Buds 2a leads on 4 of 7 measures.

  • Nothing CMF Buds 2
  • Nothing CMF Buds 2a
HearWiki score
82
77
Sound
7.5
8.0
Noise cancelling
7.0
7.5
Battery
8.0
7.0
Calls
7.0
6.5
Value
8.5
9.0
Price (USD)
$58
$42

Generation & platform

The scores rank quality. This is the other question: is the newer one actually newer technology, or the same platform in a new shell?

Half a step newer

Nothing CMF Buds 2 (2025) against Nothing CMF Buds 2a (2024). The Nothing CMF Buds 2 edges ahead on platform, but only just: ANC type Hybrid against Feed-forward. It also adds Wear detection and Water resistance IP55 against IP54.

  • CMF Buds 220251 yr newer
  • CMF Buds 2a2024
What differsCMF Buds 2CMF Buds 2a

Platform

ANC type
Hybrid
Feed-forward

Everyday features

Wear detection
Yes
No
Water resistance
IP55
IP54

Level on: Bluetooth, Top codec, Multipoint pairing, USB-C, Transparency mode, Custom EQ, Companion app.

Specifications

CMF Buds 2CMF Buds 2a
Type
True Wireless
True Wireless
Price (USD)
$58
$42
HearWiki score
82
77
Released
2025
2024
Availability
Sold new
Discontinued
Driver
11 mm driver
12.4 mm driver
Driver size
11 mm
12.4 mm
Drivers per side
1
1
Frequency response
-
20 Hz - 20 kHz
Bluetooth
5.4
5.4
Codecs
SBC, AAC
SBC, AAC
Multipoint pairing
Yes
Yes
Latency
110 ms
-
Wireless range
10 m
-
Battery life
13.5 h
8 h
Battery life (ANC on)
7.5 h
5 h
Battery incl. case
55 h
35.5 h
Full charge time
93 min
89 min
Quick charge
10 min → 4 h
10 min → 5.5 h
Wireless charging
No
No
Active noise cancelling
Yes
Yes
ANC type
hybrid
feedforward
Transparency mode
Yes
Yes
Companion app
Yes
Yes
Custom EQ
Yes
Yes
Wear detection
Yes
No
Controls
touch
touch
Voice assistant
Yes
Yes
Weight
4.5 g
4.3 g
Case weight
41.5 g
42.8 g
Water resistance
IP55
IP54
USB-C
Yes
Yes
Microphones
6
4

What reviewers said

Nothing CMF Buds 2

The CMF Buds 2 are a budget-friendly true wireless pair that pack a surprising amount of value, blending solid sound, effective hybrid ANC, and long battery life into a compact design. With dual-device connectivity, an IP55 rating, and customizable touch controls, they offer a feature set that rivals more expensive options. While they lack premium extras like LDAC support, they deliver a well-rounded performance that makes them a compelling pick for most listeners on a budget.

  • Pro:Excellent battery life with the case
  • Pro:Effective hybrid ANC for the price
  • Pro:Reliable dual-device multipoint connectivity
  • Con:SBC and AAC codec support only, no high-res options
  • Con:Average latency may not suit competitive gaming
  • Con:Build feels less premium compared to pricier rivals

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)

Summaries are AI-condensed and paraphrased from published reviews and specs - not original hands-on testing. More on our method.

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