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Nothing CMF Buds 2 vs Xiaomi Mi Air 2 Pro: which should you buy?

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

Our pick: Nothing CMF Buds 2 - Outstanding overall at around $37.

Score breakdown

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

Nothing CMF Buds 2 leads on 6 of 7 measures.

  • Nothing CMF Buds 2
  • Xiaomi Mi Air 2 Pro
HearWiki score
82
56
Sound
7.7
6.5
Noise cancelling
7.8
5.5
Battery
8.8
6.7
Calls
6.5
5.8
Value
9.4
5.0
Price (USD)
$37
$30

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?

Mixed generations

Nothing CMF Buds 2 (2025) against Xiaomi Mi Air 2 Pro (2020). Neither is straightforwardly newer: the Nothing CMF Buds 2 brings Bluetooth 5.4 against 5.0, while the Xiaomi Mi Air 2 Pro answers with Top codec LHDC against AAC.

  • CMF Buds 220255 yr newer
  • Mi Air 2 Pro2020
What differsCMF Buds 2Mi Air 2 Pro

Platform

Bluetooth
5.4
5.0
Top codec
AAC
LHDC

Everyday features

Multipoint pairing
Yes
No
Wireless charging
No
Yes
Custom EQ
Yes
No
Water resistance
IP55
Not rated

Level on: ANC type, USB-C, Wear detection, Transparency mode, Companion app.

Specifications

CMF Buds 2Mi Air 2 Pro
Type
True Wireless
True Wireless
Price (USD)
$37
$30
HearWiki score
82
56
Released
2025
2020
Availability
Sold new
Discontinued
Driver
11 mm driver
12 mm dynamic
Driver type
dynamic
dynamic
Driver size
11 mm
12 mm
Drivers per side
1
1
Frequency response
20 Hz - 20 kHz
20 Hz - 20 kHz
Impedance
-
32 Ω
Bluetooth
5.4
5.0
Codecs
SBC, AAC
SBC, AAC, LHDC
Multipoint pairing
Yes
No
Latency
110 ms
-
Wireless range
10 m
10 m
Battery life
13.5 h
6 h
Battery life (ANC on)
7.5 h
5 h
Battery incl. case
55 h
28 h
Full charge time
93 min
60 min
Quick charge
10 min → 4 h
10 min → 1.5 h
Wireless charging
No
Yes
Active noise cancelling
Yes
Yes
ANC type
hybrid
hybrid
Transparency mode
Yes
Yes
Companion app
Yes
Yes
Custom EQ
Yes
No
Wear detection
Yes
Yes
Controls
touch
touch
Voice assistant
Yes
Yes
Weight
4.5 g
6.5 g
Case weight
41.5 g
-
Water resistance
IP55
none
USB-C
Yes
Yes
Microphones
6
3
Microphone type
-
MEMS
Call noise reduction
-
Yes
Call NR technology
-
3-mic ENC

What reviewers said

Nothing CMF Buds 2

The Nothing CMF Buds 2 are an exceptional budget true-wireless option, packing a surprisingly rich feature set for their low price. They deliver engaging sound, robust battery life, and effective hybrid ANC, making them a top-value pick for most listeners.

  • Pro:Excellent value for the price
  • Pro:Strong battery life with ANC off
  • Pro:Effective hybrid active noise cancellation
  • Con:Call performance weak in noisy settings
  • Con:ANC and gaming latency not class-leading
  • Con:No wireless charging support

Xiaomi Mi Air 2 Pro

The Xiaomi Mi Air 2 Pro offers a compelling mix of premium features at a budget price, including hybrid ANC, wireless charging, and LHDC codec support. With a 12 mm dynamic driver and three-microphone setup, it delivers solid performance for calls and music, though its noise cancellation is only average in real-world use. Battery life is respectable at around five hours with ANC enabled, extending to 28 hours with the case.

  • Pro:Strong value for the price
  • Pro:Hybrid ANC with transparency mode
  • Pro:Supports LHDC for high-quality audio
  • Con:ANC performance is average
  • Con:No multipoint connection
  • Con:No water resistance rating

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

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