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Sony WF-C510 vs Sony WF-SP700N

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

Better figure, where one is clearly better

SonyWF-C510SonyWF-SP700N
Overview
ReleasedSeptember 2024April 2018
Sound
TypeIn-earIn-ear
Noise cancellingNoYes
Transparency modeYesYes
Driver size6 mm6 mm
Bluetooth codecsSBC and AACSBC and AAC
Drivers6 mm driverClosed dynamic 6 mm drivers with CCAW voice coils and neodymium magnets
Noise cancelling detailNo active noise cancelling; Ambient Sound Mode with Voice focusDigital noise cancelling; Ambient Sound Mode offers Normal and Voice settings
Audio featuresDSEE upscaling; 360 Reality Audio; custom equaliser in the appEXTRA BASS tuning and app equalisation; Quick Sound Settings recalls preferred equaliser and ambient settings. Bluetooth transmission range 20 Hz–20 kHz at 44.1 kHz sampling is not a measured acoustic frequency response.
Battery
Listening time (maker's claim)Up to 11 hoursUp to 3 hours
With the caseUp to 22 hoursUp to 9 hours
Wireless chargingNo–
Battery life detailUp to 11 hours with Ambient Sound Mode off (AAC), 8 hours with it on; with SBC, 9 hours off or 7 hours on; 22 hours with the case with Ambient Sound Mode, DSEE and the custom equaliser off; talk time up to 5 hoursMaker claim up to three hours playback with AAC, whether noise cancelling or ambient listening is on or off. Manual specifies SBC at two hours with either enabled and 2.5 hours with both off. Up to 3.5 hours talk time; eight hours standby with noise cancelling or ambient mode and 35 hours with both off. SoundGuys measured 2.58 hours at 75 dB SPL.
Charging caseUSB-C; about 3 hours to fully charge the case and earbuds, 1.5 hours for the earbuds aloneMicro-USB charging; approximately 1.5 hours for the earbuds and three hours for the case. The fully charged case provides approximately two further full charges, for nine hours total at the three-hour AAC claim.
Fast charging5 minutes of charging gives about 1 hour of playbackFifteen minutes charging provides approximately 70 minutes playback
Design
Weight (each earbud)4.6 g7.6 g
Water and sweat resistanceIPX4IPX4
Bluetooth5.34.1
Two devices at onceYesNo
ControlsA button on each earbud (by default the left turns Ambient Sound Mode on or off and presses four or more times lower the volume; the right plays and pauses, skips tracks, raises the volume and holds for the voice assistant; press twice on either to answer or end calls), reassignable in the app; Quick Access for Spotify TapPhysical buttons for playback, tracks, calls and noise modes; TechRadar reports no earbud volume control. The maker manual confirms calls and the call microphone use the left earbud.
MicrophonesA microphone on each earbud for calls–
Fit and ear tipsHybrid silicone rubber earbud tips in SS, M and LL (M fitted); either earbud can be used on its own–
Case weightAbout 31 gApproximately 45 g; maker earbud weight is approximately 7.6 g each
Water resistance detailIPX4 for the earbuds, excluding the sound outlet; the charging case is not water resistantIPX4 splash resistance applies to the earbuds; the charging case is not water resistant
Works withSony | Sound Connect app (formerly Headphones Connect) for iOS and Android; multipoint connection to two devices; Google Fast Pair and Microsoft Swift Pair; Bluetooth 5.3 Class 1, about 10 m range; A2DP, AVRCP, HFP and HSPBluetooth A2DP, AVRCP, HFP and HSP; no multipoint. NFC pairing via the case with compatible Android phones. Sony announced Google Assistant support as a future update; its current manual documents Google Assistant and Alexa with updated software. Sony's US announcement was 8 January 2018 and stated spring availability; Japan specifies 28 April 2018, while Sony Europe's announcement specifies June. April is retained at month precision, without treating a review date as a verified first-sale day.
ColoursBlack, White, Blue, YellowBlack, White, Pink and Yellow
In the boxEarbuds, charging case, hybrid silicone rubber earbud tips in SS, M and LL, documents (no USB cable)–

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