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Sony Alpha 6700 vs Sony Alpha 7S III

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

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SonyAlpha 6700SonyAlpha 7S III
Overview
ReleasedJuly 2023September 2020
Image and sensor
Camera typeMirrorlessMirrorless
Sensor formatAPS-CFull frame
Sensor typeBack-illuminated Exmor R CMOSBack-illuminated Exmor R CMOS
Sensor dimensions23.3 × 15.5 mm35.6 × 23.8 mm
Effective resolution26 MP12.1 MP
Largest image6192 × 41284240 × 2832
RAW recordingYesYes
Standard ISO range100–3200080–102400
Sensor detailApproximately 27.0 million total pixels; maximum effective still resolution 26.0 MP, movie resolution 19.9 MP; no optical low-pass filterApproximately 12.9 million total pixels; 3:2 sensor; anti-static coating and ultrasonic dust reduction
Image formatsJPEG, HEIF 4:2:0/4:2:2, RAW, RAW+JPEG and RAW+HEIF; ARW 4.0; 14-bit RAW supportJPEG, 10-bit HEIF and compressed or uncompressed 14-bit RAW (Sony ARW 4.0); XAVC S, XAVC S-I and XAVC HS movies
ISO detailISO 50 and 102400 are expanded; Auto ISO limits configurableStandard still-image and movie ISO 80–102400; still-image extension ISO 40–409600; movie extension reaches ISO 409600
Image processorBIONZ XR with dedicated AI processing unitBIONZ XR
Lens and shooting
Lens mountSony E-mountSony E-mount
StabilisationSensor shiftSensor shift
Maximum continuous burst11 fps10 fps
Lens detail–Interchangeable E-mount; full-frame FE lenses use the whole sensor; APS-C still-image crop available. ILCE-7SM3 is supplied without a lens.
AutofocusMaximum 759 phase-detection points for stills or 495 for movies; human, animal, bird, insect, car, train and aircraft recognition in stills and movies; sensitivity EV −3 to 20 at ISO 100 with F2 lensFast Hybrid AF with 759 phase-detection and 425 contrast-detection points in full-frame stills; detection range EV -6 to 20 at ISO 100 with an f/2 lens; Real-time Tracking and human Eye AF in stills and video; animal Eye AF for stills
ShutterMechanical 30 seconds to 1/4000 second plus Bulb; electronic 30 seconds to 1/8000 second; electronic first curtain; external flash sync 1/160 secondMechanical or silent electronic focal-plane shutter; 30 seconds to 1/8000 second plus Bulb; flash sync 1/250 second with Sony flash; selectable electronic first curtain
Burst detailMaximum 11 fps Hi+; Sony lists over 1000 Fine or Standard JPEGs, 143 Extra Fine JPEGs, 59 RAW, 44 RAW+JPEG, 23 lossless-compressed RAW or 18 lossless RAW+JPEG images, subject to card/settingsUp to 10 fps Hi+ with AF/AE tracking, 8 fps Hi with live view, 6 fps Mid or 3 fps Lo; Sony claims over 1,000 uncompressed RAW images at 10 fps with a CFexpress Type A card
Stabilisation detailFive-axis sensor shift; five-stop CIPA pitch/yaw claim with FE 50mm F1.2 GM and long-exposure noise reduction off. Active movie stabilisation narrows the angle of view.Five-axis sensor-shift correction; maker claim 5.5 stops under CIPA pitch/yaw testing with the FE 50 mm f/1.4 ZA lens and long-exposure noise reduction off; Active movie mode adds electronic correction and narrows the view
FlashNo built-in flash; external flash supported through Multi Interface ShoeNo built-in flash; Multi Interface Shoe supports compatible external flash; flash unavailable with electronic shutter
Exposure controls–1200-zone evaluative metering; program, aperture priority, shutter priority and manual modes; exposure compensation ±5 EV, or ±3 EV using the dedicated dial
Video
Highest video resolution3840 × 2160 at 120 fps3840 × 2160 at 120 fps
Video detailInternal 4K up to 120p NTSC/100p PAL, including 10-bit 4:2:2 XAVC S/HS; XAVC S-I 4K up to 60p/50p. Sony qualifies approximately 38% narrower angle of view for 4K120p. S-Log3, S-Cinetone and AI Auto Framing; HDMI 4:2:2 10-bit output, no RAW output.Internal 3840 × 2160 up to 120p NTSC or 100p PAL with 10-bit 4:2:2 options; 120p crops the view by approximately 10%. XAVC S/HS reaches 280 Mbps at 120p; XAVC S-I All-Intra reaches 600 Mbps at 60p. S&Q supports Full HD 240 fps capture with 1420 × 804 sensor readout. HDMI can output 4264 × 2408 16-bit RAW at up to 60p to a compatible external recorder. S-Log2/S-Log3, HLG, timecode and gamma display assist; current Sony specifications include S-Cinetone.
AudioStereo microphone; 3.5 mm microphone/headphone sockets; Multi Interface Shoe digital audio with compatible accessoriesBuilt-in stereo microphone; 3.5 mm microphone and headphone sockets; digital-audio Multi Interface Shoe; compatible accessories support four-channel 24-bit LPCM
Screen and viewfinder
ViewfinderElectronicElectronic
Screen size3″3″
Screen dots1,036,8001,440,000
TouchscreenYesYes
Tilting screenYesYes
Display detailFully articulating screen; opening approximately 176°, rotation approximately 270°; touch menu, focus, tracking, shutter and exposure operationSide-opening vari-angle LCD; opens approximately 176° and rotates approximately 270°; touch menus and focus selection
Viewfinder detail0.39-type OLED, 2,359,296 dots; approximately 0.70× 35 mm-equivalent magnification; NTSC 60/120 fps or PAL 50/100 fps display modes0.64-type Quad-XGA OLED; 9,437,184 dots; 100% coverage; approximately 0.90× magnification with a 50 mm lens at infinity; 60 or 120 fps refresh
Connections and design
Wi-FiYesYes
BluetoothYesYes
Battery life (maker's claim)570 photographs600 photographs
Body weight409 g614 g
Release detailSony Hong Kong confirms sale from 21 July 2023; European release was stated as the end of July. The earlier maker-confirmed Hong Kong date is used.Sony USA specifies September 2020 retail availability. This is ILCE-7SM3 with current maker-supported specification features.
Recording mediaOne SD slot supporting UHS-I/IITwo combined CFexpress Type A/SD slots, each supporting UHS-I and UHS-II SDHC/SDXC; simultaneous, relay or separate-format recording
PortsUSB Type-C, SuperSpeed USB 5 Gbps (USB 3.2), Micro HDMI Type D, microphone/headphone sockets and Multi Interface ShoeFull-size HDMI Type A, USB-C (USB 3.2 at 5 Gbps), Multi/Micro USB, 3.5 mm microphone and headphone sockets, digital-audio Multi Interface Shoe and vertical-grip connector
Wireless connections2.4/5 GHz Wi-Fi IEEE 802.11a/b/g/n/ac and Bluetooth 4.2; no NFCWi-Fi 802.11a/b/g/n/ac at 2.4 and 5 GHz; Bluetooth 5.0; NFC; FTP transfer and smartphone remote control; 5 GHz availability varies by region
Battery life detailNP-FZ100; CIPA approximately 570 photographs with LCD or 550 with viewfinderNP-FZ100; CIPA maker claim approximately 600 photographs using LCD or 510 using viewfinder; actual movie claim approximately 95 minutes with LCD or 80 with viewfinder
ChargingUSB Type-C charging and power supply with USB Power Delivery; USB cable and AC adapter not includedUSB-C in-camera charging and power supply with USB Power Delivery support
Dimensions122.0 × 69.0 × 75.1 mm; depth from grip to monitor 63.6 mmApproximately 128.9 × 96.9 × 80.8 mm; depth from grip to monitor 69.7 mm
Weight detailApproximately 409 g body only; 493 g with battery and memory cardApproximately 614 g body only; 699 g with battery and memory card; both exclude lens
Materials–Magnesium-alloy body; maker describes dust and moisture resistance without guaranteeing complete protection
In the boxNP-FZ100 battery, shoulder strap, body cap, accessory shoe cap and eyepiece cup; kit lens where selectedSony Japan lists NP-FZ100 battery, BC-QZ1 charger and mains cable, cable protector, strap, body/shoe caps, eyepiece cup and USB-A to USB-C cable

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