True Wireless
Nothing CMF Buds 2
82Outstanding
$37
Full review dataNothing CMF Buds 2 vs UGREEN CM338 TWS: 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.
True Wireless
UGREEN CM338 TWS
44Weak
$25
Full review dataScore 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
- UGREEN CM338 TWS
HearWiki score
82
44
Sound
7.7
6.0
Noise cancelling
7.8
-
Battery
8.8
2.5
Calls
6.5
2.5
Value
9.4
-
Price (USD)
$37
$25
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 UGREEN CM338 TWS (2020). The Nothing CMF Buds 2 edges ahead on platform, but only just: Bluetooth 5.4 against 5.0. It also adds Multipoint pairing and Water resistance IP55 against IPX4.
- CMF Buds 220255 yr newer
- CM338 TWS2020
What differsCMF Buds 2CM338 TWS
- Bluetooth
- 5.4
- 5.0
- Multipoint pairing
- Yes
- No
- Water resistance
- IP55
- IPX4
Platform
Everyday features
Level on: Top codec.
Specifications
CMF Buds 2CM338 TWS
- Type
- True Wireless
- True Wireless
- Price (USD)
- $37
- $25
- HearWiki score
- 82
- 44
- Released
- 2025
- 2020
- Availability
- Sold new
- Discontinued
- Driver
- 11 mm driver
- dynamic
- Driver type
- dynamic
- dynamic
- Driver size
- 11 mm
- -
- Drivers per side
- 1
- 1
- Frequency response
- 20 Hz - 20 kHz
- 20 Hz - 20 kHz
- Impedance
- -
- 16 Ω
- Sensitivity
- -
- 91 dB/mW
- Bluetooth
- 5.4
- 5.0
- Codecs
- SBC, AAC
- SBC, AAC
- Multipoint pairing
- Yes
- No
- Latency
- 110 ms
- -
- Wireless range
- 10 m
- 10 m
- Battery life
- 13.5 h
- 3 h
- Battery life (ANC on)
- 7.5 h
- -
- Battery incl. case
- 55 h
- -
- Full charge time
- 93 min
- 60 min
- Quick charge
- 10 min → 4 h
- -
- Wireless charging
- No
- No
- Active noise cancelling
- Yes
- -
- ANC type
- hybrid
- -
- Transparency mode
- Yes
- -
- Companion app
- Yes
- -
- Custom EQ
- Yes
- -
- Wear detection
- Yes
- -
- Controls
- touch
- touch
- Voice assistant
- Yes
- -
- Weight
- 4.5 g
- -
- Case weight
- 41.5 g
- -
- Water resistance
- IP55
- IPX4
- USB-C
- Yes
- -
- Microphones
- 6
- 1
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
UGREEN CM338 TWS
The UGREEN CM338 TWS are budget-friendly true wireless earbuds that deliver surprisingly pleasant sound in a compact, pocketable case. While they excel in audio quality for the price, their short battery life, basic call performance, and occasional video sync issues hold them back from being a complete package.
- Pro:Compact and portable charging case
- Pro:Excellent sound quality for the price
- Pro:Comfortable fit for extended wear
- Con:Only 3 hours of battery life per charge
- Con:Call quality could be better
- Con:Video playback can lag behind audio
Summaries are AI-condensed and paraphrased from published reviews and specs - not original hands-on testing. More on our method.
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