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Nothing CMF Buds 2 vs OPPO Enco Air3i: which should you buy?

Specs, scores and condensed review verdicts for the Nothing CMF Buds 2 vs OPPO Enco Air3i, side by side. Where a product has no HearWiki score yet, not enough reviews have been aggregated to rate it.

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
  • OPPO Enco Air3i
HearWiki score
82
-
Sound
7.7
-
Noise cancelling
7.8
-
Battery
8.8
-
Calls
6.5
-
Value
9.4
-
Price (USD)
$37
$36

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 OPPO Enco Air3i (2024). The Nothing CMF Buds 2 is the newer platform here: Bluetooth 5.4 against 5.3 and ANC type Hybrid against None. It also adds Multipoint pairing and Water resistance IP55 against IPX4.

  • CMF Buds 220251 yr newer
  • Enco Air3i2024
What differsCMF Buds 2Enco Air3i

Platform

Bluetooth
5.4
5.3
ANC type
Hybrid
None

Everyday features

Multipoint pairing
Yes
No
Water resistance
IP55
IPX4

Level on: Top codec, USB-C, Custom EQ, Companion app.

Specifications

CMF Buds 2Enco Air3i
Type
True Wireless
True Wireless
Price (USD)
$37
$36
HearWiki score
82
Not scored
Released
2025
2024
Availability
Sold new
Discontinued
Driver
11 mm driver
13.4 mm dynamic
Driver type
dynamic
dynamic
Driver size
11 mm
13.4 mm
Drivers per side
1
1
Frequency response
20 Hz - 20 kHz
20 Hz - 20 kHz
Impedance
-
32 Ω
Sensitivity
-
128 dB/mW
Bluetooth
5.4
5.3
Codecs
SBC, AAC
SBC, AAC
Multipoint pairing
Yes
No
Latency
110 ms
47 ms
Wireless range
10 m
10 m
Battery life
13.5 h
5.5 h
Battery life (ANC on)
7.5 h
-
Battery incl. case
55 h
35 h
Full charge time
93 min
60 min
Quick charge
10 min → 4 h
-
Wireless charging
No
-
Active noise cancelling
Yes
No
ANC type
hybrid
-
Transparency mode
Yes
-
Companion app
Yes
Yes
Custom EQ
Yes
Yes
Wear detection
Yes
-
Controls
touch
touch
Voice assistant
Yes
Yes
Weight
4.5 g
3.7 g
Case weight
41.5 g
40.2 g
Water resistance
IP55
IPX4
USB-C
Yes
Yes
Model code
-
ETE91
Microphones
6
2
Mic sensitivity
-
-38 dBV
Call noise reduction
-
Yes
Call NR technology
-
AI 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

OPPO Enco Air3i

The OPPO Enco Air3i are budget-friendly true wireless earbuds with a 13.4mm dynamic driver, Bluetooth 5.3, and support for SBC and AAC codecs. They deliver up to 5.5 hours of playback per charge, extending to 35 hours with the case, and feature IPX4 water resistance for light workouts or outdoor use. Touch controls, a custom EQ, and a low-latency mode make them versatile for everyday listening and calls.

  • Pro:Affordable price point
  • Pro:Compact and lightweight design (3.7g per bud)
  • Pro:IPX4 water resistance for sweat and light rain
  • Con:No active noise cancellation
  • Con:No multipoint connection
  • Con:Battery life per charge is modest at 5.5 hours

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

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