Sony WF-1000XM4 vs Sony WF-C700N

Every spec side by side, from each maker's published figures.

Better figure, where one is clearly better

WF-1000XM4 compared with WF-C700N
SonyWF-1000XM4SonyWF-C700N
Overview
ReleasedJune 2021April 2023
Sound
TypeIn-earIn-ear
Noise cancellingYesYes
Transparency modeYesYes
Driver size6 mm5 mm
Bluetooth codecsSBC, AAC and LDACSBC and AAC
ChipIntegrated Processor V1–
Drivers6 mm drivers with high-power neodymium magnetsClosed 5 mm drivers; the maker does not identify the magnet material
Noise cancelling detailFeedforward and feedback noise-sensing microphones on each earbud; Ambient Sound Mode, Quick Attention, Adaptive Sound Control and automatic wind noise reductionActive noise cancelling, adjustable Ambient Sound Mode and Focus on Voice; Adaptive Sound Control changes ambient settings according to activity and familiar locations
Audio featuresDSEE Extreme upscaling; 360 Reality Audio with compatible services; Bluetooth frequency response of 20 Hz–20 kHz at 44.1 kHz sampling, or 20 Hz–40 kHz with LDAC at 96 kHz and 990 kbpsDSEE processing, app equaliser and personalised 360 Reality Audio with compatible services; Bluetooth transmission range 20 Hz–20 kHz at 44.1 kHz sampling, not a measured acoustic frequency response
Battery
Listening time (maker's claim)Up to 8 hoursUp to 7.5 hours
With the caseUp to 24 hoursUp to 15 hours
Wireless chargingYesNo
Battery life detailWith DSEE Extreme off, the manual lists AAC playback up to 8 hours with noise cancelling or 12 hours off; SBC up to 7.5 hours on or 11 hours off; LDAC up to 5 hours on or 6 hours off. LDAC with DSEE Extreme set to AUTO and noise cancelling on is up to 3.5 hours. The launch release claims 24 hours with the case with noise cancelling, or 36 hours off; talk time up to 5.5 hours with noise cancelling and 6 hours off.Maker claims up to 7.5 hours with ANC and 15 hours including the case, or ten and 20 hours with ANC off. The manual specifies AAC at 7.5 hours with ANC or ambient mode and ten hours with both off; SBC is seven and nine hours respectively. Equaliser and DSEE shorten runtime. Talk time up to five hours. SoundGuys measured seven hours 13 minutes with ANC.
Charging caseUSB-C and Qi wireless charging; about 1.5 hours to charge the earbuds and 3 hours for the caseUSB-C charging; maker manual gives approximately 1.5 hours for the earbuds and three hours for the case. SoundGuys confirms that wireless charging is absent.
Fast charging5 minutes of charging gives about 1 hour of playbackTen minutes charging provides approximately one hour playback
Design
Weight (each earbud)7.3 g4.6 g (better)
Water and sweat resistanceIPX4IPX4
Bluetooth5.25.2
Two devices at onceYesYes
ControlsTouch controls for playback, volume and sound modes; Quick Attention lowers music volume while a finger is held on the left earbud; Speak-to-Chat pauses music and admits outside sound when speech is detected; wear detection pauses playback when an earbud is removedPhysical buttons for playback, tracks, calls, voice assistant and noise modes. Updated firmware adds volume adjustment by pressing the right button four times or more to increase volume, or the left to decrease it. TechRadar's launch review predates this addition.
MicrophonesDual noise-sensing microphones per earbud; Precise Voice Pickup uses beamforming and a bone-conduction sensor for calls–
Fit and ear tipsPolyurethane foam Noise Isolation Earbud Tips in S, M and L; an app test checks the seal–
Case weightAbout 41 g; the UK support specifications put this under an unqualified weight heading, while the manual distinguishes the case from each 7.3 g earbud with M tips fittedApproximately 31 g; 4.6 g per earbud includes medium tips
Water resistance detailIPX4 for the earbuds only, excluding the sound outlets, ventilation holes and microphone holes; the charging case is not water resistantIPX4 applies to the earbuds excluding the sound outlets; the charging case is not water resistant
Works withBluetooth A2DP, AVRCP, HFP and HSP; Google Fast Pair and Microsoft Swift Pair; the current manual describes two-device multipoint, which Sony's firmware notes list as an added feature; LDAC needs a compatible sourceBluetooth A2DP, AVRCP, HFP and HSP. Two-device multipoint requires updated firmware; the launch announcement scheduled it for summer 2023 and the current maker manual documents it. The European maker announcement gives April 2023 availability without a first-sale day; Sony’s US release gives 5 April and Japan’s gives 21 April. TechRadar’s 1 April claim is not substituted for maker retail dates.
ColoursBlack, Silver; official press photo shows SilverBlack, White, Lavender and Sage Green
In the boxEarbuds, charging case, Noise Isolation Earbud Tips in S, M and L, USB-A to USB-C charging cable–

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