Sony LinkBuds Fit vs Anker soundcore P40i

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LinkBuds Fit compared with P40i

	SonyLinkBuds Fit	Anker soundcoreP40i
Overview
Released
Released	October 2024	February 2024
Sound
Type
Type	In-ear	In-ear
Noise cancelling
Noise cancelling	Yes	Yes
Transparency mode
Transparency mode	Yes	Yes
Spatial audio with head tracking
Spatial audio with head tracking	Yes	–
Driver size
Driver size	8.4 mm	11 mm
Bluetooth codecs
Bluetooth codecs	SBC, AAC, LDAC and LC3	SBC and AAC
Chip
Chip	V2	–
Drivers
Drivers	8.4 mm Dynamic Driver X	11 mm composite drivers with BassUp processing
Chip
Chip	Integrated Processor V2	–
Noise cancelling detail
Noise cancelling detail	Noise cancelling with Auto NC Optimizer; Ambient Sound Mode with Auto Ambient Sound; Speak-to-Chat; wind noise reduction structure	Adaptive ANC, manual cancellation and wind-noise reduction; ANC is on by default. Transparency mode is also available
Audio features
Audio features	LDAC up to 990 kbps (Hi-Res Audio Wireless); DSEE Extreme upscaling; 360 Reality Audio with head tracking; LE Audio (LC3); BGM effect; equaliser in the app	HearID, adjustable EQ and 22 presets; Game Mode reduces delay with possible sound-quality and feature compromises. SBC, AAC and Bluetooth 5.3 are confirmed by SoundGuys and Scarbir; no LDAC
Hearing health
Hearing health	–	Safe Volume monitoring and an optional high-volume limit in the soundcore app
Battery
Listening time (maker's claim)
Listening time (maker's claim)	Up to 5.5 hours	Up to 10 hours
With the case
With the case	Up to 21 hours	Up to 50 hours
Wireless charging
Wireless charging	No	Yes
Battery life detail
Battery life detail	Up to 8 hours with noise cancelling off (AAC); with LDAC, 3.5 hours with noise cancelling on or 4.5 hours off; with SBC, 5 hours on or 7.5 hours off; with LC3, 4.5 hours on or 7.5 hours off; 21 hours in total with the case (Sony doesn't say with which settings); talk time up to 4 hours	Up to ten hours with ANC or Transparency and 50 including the case; Normal mode gives 12 and 60 hours. Calls give six-and-a-half hours with ANC or seven without. Maker testing uses default settings at 50% volume; SoundGuys lists a February 2024 release
Charging case
Charging case	USB-C; about 3 hours to fully charge the case, 2 hours for the earbuds; 47.2 × 47.2 × 32.6 mm	USB-C and wireless charging; earbuds take around 50 minutes to recharge at 25 ± 3°C, case around three hours by cable or four wirelessly. Fold-out case tab supports a phone horizontally
Fast charging
Fast charging	5 minutes of charging gives about 1 hour of playback	Ten minutes of charging provides up to five hours of playback
Design
Weight (each earbud)
Weight (each earbud)	4.9 g	–
Water and sweat resistance
Water and sweat resistance	IPX4	IPX5
Bluetooth
Bluetooth	5.3	5.3
Two devices at once
Two devices at once	Yes	Yes
Controls
Controls	Wide Area Tap on the earbud or the face in front of the ear (by default the left switches noise cancelling and Ambient Sound Mode; the right plays and pauses and skips tracks; tap three times on either to answer or end calls; tap five or more times for volume), reassignable in the app; head gestures to answer calls; voice control; Quick Access; IR sensors pause music when an earbud is taken out	Customisable single, double and triple taps and holds; touch area is at the logo. Opening the case powers the earbuds on; they cannot be manually powered on without it
Microphones
Microphones	Microphones on the outside and inside of each earbud, with Precise Voice Pickup Technology and AI noise reduction for calls	Six microphones with AI call-noise reduction
Fit and ear tips
Fit and ear tips	Air Fitting Supporters and Soft Fitting Earbud Tips in SS, S, M and L (M fitted); either earbud can be used on its own	Silicone tips and app Fit Test; SoundGuys' caption, prose and Scarbir disagree on supplied tip count, so no count is asserted. Maker does not publish an individual earbud weight
Case weight
Case weight	About 41 g	–
Water resistance detail
Water resistance detail	IPX4 for the earbuds, excluding the sound outlet, ventilation holes and microphone holes; the charging case is not water resistant	IPX5 applies to the earbuds; no case rating is published
Works with
Works with	Sony | Sound Connect app for iOS and Android; multipoint connection to two devices; LE Audio with compatible devices; Auto Switch with the LinkBuds Speaker; Google Assistant and Amazon Alexa; Google Fast Pair and Microsoft Swift Pair; Bluetooth 5.3 Class 1, about 10 m range	Two-device Bluetooth and independent use of either earbud while the other is in the closed case; soundcore app for Android and iOS
Colours
Colours	Black, White, Green, Violet (Olivia Rodrigo edition); Pink added in June 2025	Black, Oat White, Navy Blue and Purple
In the box
In the box	Earbuds, charging case, USB-C cable (USB-A to USB-C), Soft Fitting Earbud Tips in SS, S, M and L, documents	Earbuds, charging case, ear tips, USB-C charging cable and documentation (Scarbir)