CMF Buds Pro 2 vs Anker Soundcore P31i: Which Headphones Are Better?

Tested using Methodology v2.1

Updated Mar 25, 2026 03:40 PM

This review is in Early access

See CMF Buds Pro 2 Review

TypeIn-ear

Noise CancellingYes

EnclosureClosed-Back

Bass Amount Very Emphasized (8 dB)

WirelessTruly Wireless

Treble Amount Slightly Underemphasized (-3 dB)

MicYes

Sound Signature Boosted Bass

TypeIn-ear

Noise CancellingYes

EnclosureClosed-Back

Bass Amount Emphasized (4 dB)

WirelessTruly Wireless

Treble Amount Slightly Underemphasized (-3 dB)

MicYes

Sound Signature Warm

Our Verdict

CMF Buds Pro 2

Anker Soundcore P31i

Full comparison details regarding individual product score sets can be found in the section below

Variants

Buds Pro 2 (Blue)
Buds Pro 2 (Dark Grey)

Soundcore P31i (Black)
Soundcore P31i (Light Blue)

Review

See Anker Soundcore P31i Review

Check Price

Blue

Buds Pro 2

Black

Soundcore P31i

Dark Grey

Buds Pro 2

Light Blue

Soundcore P31i

Light Grey

Buds Pro 2

Pink

Soundcore P31i

Orange

Buds Pro 2

White

Soundcore P31i

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Main Differences for

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Sports And Fitness

0.0

Travel

0.0

Office Work

0.0

Wireless Gaming (In Development)

0.0

Wired Gaming (In Development)

0.0

Audio Reproduction Accuracy

0.0

Noise Isolation

0.0

Microphone (In Development)

0.0

Frequency Response Consistency

0.0

Sound

Sound Profile

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Normalization Frequency

Lock Hz

Bass Amount

Locked

Treble Amount

Locked

Sound Signature

Locked

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Frequency Response Consistency

N/A

Consistency L

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Consistency R

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Std. Deviation

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Raw Frequency Response

Raw FR L

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Raw FR R

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Bass Profile: Target Compliance

N/A

Bass Profile: Target Compliance

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RMS Deviation From Target

Lock dB

Low-Frequency Extension

Lock Hz

Low Bass

Lock dB

Mid Bass

Lock dB

High Bass

Lock dB

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Mid-Range Profile: Target Compliance

N/A

Mid-Range Profile: Target Compliance

SAMPLE

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RMS Deviation From Target

Lock dB

Low Mid

Lock dB

Mid-Mid

Lock dB

High Mid

Lock dB

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Treble Profile: Target Compliance

N/A

Treble Profile: Target Compliance

SAMPLE

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RMS Deviation From Target

Lock dB

Low Treble

Lock dB

Mid Treble

Lock dB

High Treble

Lock dB

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Peaks/Dips

N/A

Peaks/Dips Graph

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Peaks

Lock dB

Dips

Lock dB

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Stereo Mismatch

N/A

Frequency Response Mismatch

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Phase Response Mismatch

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Weighted Amplitude Mismatch

Lock dB

Weighted Frequency Response Mismatch

Lock dB

Weighted Phase Mismatch

Lock°

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Cumulative Spectral Decay

CSD

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PRTF

N/A

PRTF

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PRTF Accuracy (RMS Deviation)

N/A

PRTF Size (Avg.)

N/A

PRTF Distance

N/A

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Harmonic Distortion

N/A

Harmonics Levels

SAMPLE

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THD Ratio

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WHD @ 94 dB SPL

Lock%

WHD @ 104 dB SPL

Lock%

Electrical Aspects

Impedance

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Sensitivity @1kHz-1V

N/A

Bluetooth Max SPL

Lock dB

Virtual Soundstage

N/A

Virtual Soundstage

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Head Modeling

Locked

Speaker Modeling

Locked

Room Ambience

Locked

Head Tracking

Locked

Virtual Surround

Locked

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Test Settings

Firmware

Locked

Power

Locked

Connection

Locked

Codec

Locked

Test Instrument

Locked

EQ

Locked

ANC

Locked

Tip/Pad

Locked

Microphone

Locked

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Design

Style

Design Picture 2

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Type

Locked

Enclosure

Locked

Wireless

Locked

Transducer

Locked

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Comfort

N/A

Comfort Picture

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Weight

Lock lbs

Clamping Force

Lock lbs

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Controls

N/A

Controls Picture

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OS Compatibility

Locked

Ease Of Use

Locked

Feedback

Locked

Call/Music Control

Locked

Volume Control

Locked

Microphone Control

Locked

Channel Mixing

Locked

Noise Cancelling Control

Locked

Talk-Through

Locked

Additional Controls

Locked

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Portability

N/A

Portability Picture

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L

Lock" (Lock cm)

W

Lock" (Lock cm)

H

Lock" (Lock cm)

Volume

Lock in³ (Lock cm³)

Transmitter Required

Locked

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Case

N/A

Case Picture

SAMPLE

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Type

Locked

L

Lock" (Lock cm)

W

Lock" (Lock cm)

H

Lock" (Lock cm)

Volume

Lock in³ (Lock cm³)

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Build Quality

N/A

Build Quality Picture

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Stability

N/A

Stability Picture

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Headshots 1

Angled Picture

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Side Picture

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Headshots 2

Front Picture

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Rear Picture

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Top

Top Picture

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In The Box

In The Box Picture

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Isolation

Noise Isolation - Full Range

N/A

Noise Isolation - Full Range Graph

SAMPLE

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SAMPLE

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Noise Cancelling

Locked

Overall Attenuation

Lock dB

Bass

Lock dB

Mid

Lock dB

Treble

Lock dB

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Noise Isolation - Common Scenarios

N/A

Noise Isolation - Common Scenarios Graph

SAMPLE

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SAMPLE

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Airplane Noise Attenuation

Lock dB

Airplane Noise Isolation Audio

Office Noise Attenuation

Lock dB

Office Noise Isolation Audio

Street Noise Attenuation

Lock dB

Street Noise Isolation Audio

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Noise Isolation - Voice Handling

ANC Wind Handling

ANC Wind Handling Graph

SAMPLE

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ANC Wind Noise

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Leakage

N/A

Leakage

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Leakage Audio

Overall Leakage @ 1ft

Lock dB

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Microphone

Microphone Style

Integrated

Locked

In-Line

Locked

Boom

Locked

Detachable Boom

Locked

Mic

Locked

Recording Quality

N/A

Microphone Frequency Response

SAMPLE

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SAMPLE

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Recorded Speech

LFE

Lock Hz

FR Std. Dev.

Lock dB

HFE

Lock Hz

Weighted THD

Lock

N/A

Gain

Lock dB

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Noise Handling

N/A

SpNR

SAMPLE

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SpNR

Lock dB

Noise Gate

Locked

Speech + Pink Noise Handling

0.0

Speech + Pink Noise Audio Sample

Speech + Subway Noise Handling

0.0

Speech + Subway Noise Audio Sample

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Active Features

Battery

N/A

Battery Type

Locked

Continuous Battery Life

Lock hrs

Additional Charges

Lock

Total Battery Life

Lock hrs

Charge Time

Lock hrs

Power-Saving Feature

Locked

Audio While Charging

Locked

Passive Playback

Locked

Charging Port

Locked

Show Text

App Support

N/A

App Picture

SAMPLE

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App Name

Locked

iOS

Locked

Android

Locked

macOS

Locked

Windows

Locked

Equalizer

Locked

ANC Control

Locked

Mic Control

Locked

Room Effects

Locked

Playback Control

Locked

Button Mapping

Locked

Surround Support

Locked

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Connectivity

Wired Connection

N/A

Cable Picture

SAMPLE

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Analog Audio

Locked

USB Audio

Locked

Detachable

Locked

Length

N/A

Connector

Locked

Latency - Analog

N/A

Latency - USB

N/A

Recorded Latency

Recorded Latency Connection

Locked

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Bluetooth Connection

N/A

Bluetooth Version

Locked

Multi-Device Pairing

Locked

Quick Pair (Android)

Locked

Quick Pair (iOS)

Locked

Line Of Sight Range

Lock ft (Lock m)

Latency - SBC

Lock ms

Latency - aptX

N/A

Latency - aptX Adaptive (High Quality)

N/A

Latency - aptX Adaptive (Low Latency)

N/A

Latency - LDAC

Lock ms

Recorded Latency

Recorded Latency Codec

Locked

AAC Support

Locked

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Wireless Connection (Dongle)

N/A

Line Of Sight Range

N/A

Latency - Dongle

N/A

Recorded Latency

PC Compatibility

Analog

Locked

Wired USB

Locked

Non-BT Wireless

Locked

Show Text

PlayStation Compatibility

PS4 Analog

Locked

PS4 Wired USB

Locked

PS4 Non-BT Wireless

Locked

PS5 Analog

Locked

PS5 Wired USB

Locked

PS5 Non-BT Wireless

Locked

Xbox Compatibility

Xbox One Analog

Locked

Xbox One Wired USB

Locked

Xbox One Non-BT Wireless

Locked

Xbox Series X|S Analog

Locked

Xbox Series X|S Wired USB

Locked

Xbox Series X|S Non-BT Wireless

Locked

Base/Dock

N/A

Type

Locked

USB Input

Locked

Line In

Locked

Line Out

Locked

Optical Input

Locked

RCA Input

Locked

Dock Charging

Locked

Power Supply

Locked

Show Text

Check Price

Blue

Buds Pro 2

Black

Soundcore P31i

Dark Grey

Buds Pro 2

Light Blue

Soundcore P31i

Light Grey

Buds Pro 2

Pink

Soundcore P31i

Orange

Buds Pro 2

White

Soundcore P31i