True Wireless
Nothing CMF Buds 2
82Outstanding
$37
Full review dataNothing CMF Buds 2 vs Tiso i4: 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
Tiso i4
41Weak
$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
- Tiso i4
HearWiki score
82
41
Sound
7.7
5.8
Noise cancelling
7.8
-
Battery
8.8
2.5
Calls
6.5
4.6
Value
9.4
-
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?
New platform
Nothing CMF Buds 2 (2025) against Tiso i4 (2019). The Nothing CMF Buds 2 is the newer platform here: Bluetooth 5.4 against 5.0 and ANC type Hybrid against None. It also adds Multipoint pairing, USB-C, Wear detection and Transparency mode.
- CMF Buds 220256 yr newer
- i42019
What differsCMF Buds 2i4
- Bluetooth
- 5.4
- 5.0
- ANC type
- Hybrid
- None
- Multipoint pairing
- Yes
- No
- USB-C
- Yes
- No
- Wear detection
- Yes
- No
- Transparency mode
- Yes
- No
- Custom EQ
- Yes
- No
- Companion app
- Yes
- No
- Water resistance
- IP55
- IPX5
Platform
Everyday features
Level on: Top codec.
Specifications
CMF Buds 2i4
- Type
- True Wireless
- True Wireless
- Price (USD)
- $37
- $20
- HearWiki score
- 82
- 41
- Released
- 2025
- 2019
- Availability
- Sold new
- Discontinued
- Driver
- 11 mm driver
- 6 mm dynamic
- Driver type
- dynamic
- dynamic
- Driver size
- 11 mm
- 6 mm
- Drivers per side
- 1
- 1
- Frequency response
- 20 Hz - 20 kHz
- 20 Hz - 20 kHz
- Sensitivity
- -
- 108 dB/mW
- Bluetooth
- 5.4
- 5.0
- Codecs
- SBC, AAC
- SBC, AAC
- Multipoint pairing
- Yes
- No
- Latency
- 110 ms
- -
- Wireless range
- 10 m
- -
- Battery life
- 13.5 h
- 4 h
- Battery life (ANC on)
- 7.5 h
- -
- Battery incl. case
- 55 h
- 24 h
- Full charge time
- 93 min
- -
- Quick charge
- 10 min → 4 h
- -
- Wireless charging
- No
- No
- Active noise cancelling
- Yes
- No
- ANC type
- hybrid
- none
- Transparency mode
- Yes
- No
- Companion app
- Yes
- No
- Custom EQ
- Yes
- No
- Wear detection
- Yes
- No
- Controls
- touch
- -
- Voice assistant
- Yes
- -
- Weight
- 4.5 g
- -
- Case weight
- 41.5 g
- -
- Water resistance
- IP55
- IPX5
- USB-C
- Yes
- No
- Microphones
- 6
- -
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
Tiso i4
The Tiso i4 is an ultra-affordable true wireless earphone aimed squarely at bass enthusiasts, delivering a punchy and engaging sound when played at higher volumes. While it doesn't shine for calls, gaming, or quiet listening, its low price makes it a solid pick for those prioritizing a fun, bass-heavy signature. It offers basic wireless functionality with a compact 6mm driver and IPX5 water resistance.
- Pro:Very affordable price point
- Pro:Strong bass-forward sound at higher volumes
- Pro:IPX5 water resistance
- Con:Not ideal for calls or gaming
- Con:Sound quality suffers at low volumes
- Con:No ANC, transparency mode, or app support
Summaries are AI-condensed and paraphrased from published reviews and specs - not original hands-on testing. More on our method.
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