Sony INZONE Buds vs Anker soundcore P40i

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INZONE Buds compared with P40i

	SonyINZONE Buds	Anker soundcoreP40i
Overview
Released
Released	October 2023	February 2024
Sound
Type
Type	In-ear	In-ear
Noise cancelling
Noise cancelling	Yes	Yes
Transparency mode
Transparency mode	Yes	Yes
Driver size
Driver size	8.4 mm	11 mm
Bluetooth codecs
Bluetooth codecs	LC3	SBC and AAC
Chip
Chip	Sony L1	–
Drivers
Drivers	8.4 mm Dynamic Driver X with different diaphragm dome and edge materials	11 mm composite drivers with BassUp processing
Noise cancelling detail
Noise cancelling detail	–	Adaptive ANC, manual cancellation and wind-noise reduction; ANC is on by default. Transparency mode is also available
Audio features
Audio features	INZONE Hub for Windows provides equaliser, 360 Spatial Sound for Gaming, sound-field personalisation from ear photographs and sound-tone personalisation using test tones and feedback microphones; compatible with PS5 Tempest 3D AudioTech	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 11 hours	Up to 10 hours
With the case
With the case	–	Up to 50 hours
Wireless charging
Wireless charging	–	Yes
Battery life detail
Battery life detail	USB-transceiver playback up to 11 hours with noise cancellation on or 12 hours off. Bluetooth LE Audio playback up to 18 hours with noise cancellation on or 24 hours off. Total with case is published only with noise cancellation off, up to 24 hours through the USB transceiver or 48 hours through LE Audio; no ANC-on case total is inferred.	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 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	Approximately two hours to charge the earbuds fully; Sony states five minutes charging provides approximately one hour of use	Ten minutes of charging provides up to five hours of playback
Design
Weight (each earbud)
Weight (each earbud)	6.5 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
Controls
Controls	Customisable touch controls for volume, microphone mute and other functions; available assignments vary with connection mode and device	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	Built-in microphones with AI-based voice noise reduction	Six microphones with AI call-noise reduction
Fit and ear tips
Fit and ear tips	Four ear-tip sizes; Sony's white and black earbuds weigh approximately 6.5 g each including medium tips, while Glass Purple weighs approximately 6.7 g each	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
Water resistance detail
Water resistance detail	IPX4 applies to the earbuds	IPX5 applies to the earbuds; no case rating is published
Works with
Works with	USB-C 2.4 GHz transceiver with PC and PS5/mobile modes; Sony claims below 30 ms transceiver latency. Bluetooth 5.3 LE Audio with LC3 only, without Bluetooth Classic; Sony states iPhone and iPad do not support direct Bluetooth connection. Compatible phone app support was added on 3 April 2024, requires updated firmware and LE Audio, and is unavailable over the USB transceiver; firmware updates use INZONE Hub on PC.	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	White, black or Glass Purple; colour variants remain configurations of the same model	Black, Oat White, Navy Blue and Purple
In the box
In the box	Earbuds, charging case, USB-C transceiver, USB charging cable and ear tips	Earbuds, charging case, ear tips, USB-C charging cable and documentation (Scarbir)