True Wireless
Nothing CMF Buds 2
82Outstanding
$37
Full review dataNothing CMF Buds 2 vs Soundcore K20i: 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
Soundcore K20i
75Great
$20
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
- Soundcore K20i
HearWiki score
82
75
Sound
7.7
6.1
Noise cancelling
7.8
-
Battery
8.8
7.0
Calls
6.5
5.9
Value
9.4
9.1
Price (USD)
$37
$20
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
Both shipped in 2025. The Nothing CMF Buds 2 edges ahead on platform, but only just: Bluetooth 5.4 against 5.3. It also adds Multipoint pairing and Water resistance IP55 against IPX5.
- CMF Buds 22025
- K20i2025
What differsCMF Buds 2K20i
- Bluetooth
- 5.4
- 5.3
- Multipoint pairing
- Yes
- No
- Water resistance
- IP55
- IPX5
Platform
Everyday features
Level on: Top codec, USB-C, Companion app.
Specifications
CMF Buds 2K20i
- Type
- True Wireless
- True Wireless
- Price (USD)
- $37
- $20
- HearWiki score
- 82
- 75
- Released
- 2025
- 2025
- Availability
- Sold new
- Sold new
- Driver
- 11 mm driver
- 13 mm dynamic
- Driver type
- dynamic
- dynamic
- Driver size
- 11 mm
- 13 mm
- Drivers per side
- 1
- 1
- Frequency response
- 20 Hz - 20 kHz
- 20 Hz - 20 kHz
- Impedance
- -
- 16 Ω
- Bluetooth
- 5.4
- 5.3
- Codecs
- SBC, AAC
- SBC, AAC
- Multipoint pairing
- Yes
- No
- Latency
- 110 ms
- -
- Wireless range
- 10 m
- -
- Battery life
- 13.5 h
- 6 h
- Battery life (ANC on)
- 7.5 h
- -
- Battery incl. case
- 55 h
- 36 h
- Full charge time
- 93 min
- 120 min
- Quick charge
- 10 min → 4 h
- 10 min → 2 h
- Wireless charging
- No
- No
- Active noise cancelling
- Yes
- -
- ANC type
- hybrid
- -
- Transparency mode
- Yes
- -
- Companion app
- Yes
- Yes
- Custom EQ
- Yes
- -
- Wear detection
- Yes
- -
- Controls
- touch
- touch
- Voice assistant
- Yes
- No
- Weight
- 4.5 g
- 3.3 g
- Case weight
- 41.5 g
- 43 g
- Water resistance
- IP55
- IPX5
- USB-C
- Yes
- Yes
- Microphones
- 6
- 2
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
Soundcore K20i
The Soundcore K20i are Anker's budget-friendly half-in-ear true wireless earbuds, designed for comfortable all-day wear and straightforward operation. They offer a solid feature set for the price, including a gaming mode, customizable touch controls, and a long total battery life with the charging case, though their sound signature may require some adjustment to suit personal taste.
- Pro:Comfortable half-in-ear fit
- Pro:Long total battery life with case
- Pro:Responsive touch controls with app support
- Con:Sound quality may need EQ tweaking
- Con:No multipoint connectivity
- Con:Limited codec support (SBC, AAC only)
Summaries are AI-condensed and paraphrased from published reviews and specs - not original hands-on testing. More on our method.
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