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Sony Alpha 6700 vs Sony Alpha 7 III

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

Better figure, where one is clearly better

SonyAlpha 6700SonyAlpha 7 III
Overview
ReleasedJuly 2023March 2018
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 MP24.2 MP
Largest image6192 × 41286000 × 4000
RAW recordingYesYes
Standard ISO range100–32000100–51200
Sensor detailApproximately 27.0 million total pixels; maximum effective still resolution 26.0 MP, movie resolution 19.9 MP; no optical low-pass filterApproximately 25.3 million total pixels; 3:2 back-illuminated sensor.
Image formatsJPEG, HEIF 4:2:0/4:2:2, RAW, RAW+JPEG and RAW+HEIF; ARW 4.0; 14-bit RAW supportJPEG and Sony ARW 2.3 RAW, including uncompressed RAW. Sony's announcement limits compressed RAW continuous shooting to 12 bits; 14-bit output is not universal in every mode.
ISO detailISO 50 and 102400 are expanded; Auto ISO limits configurableStandard still-image ISO 100–51200; expanded ISO 50–204800. Video ISO 100–51200 expands up to ISO 102400.
Image processorBIONZ XR with dedicated AI processing unitBIONZ X with front-end LSI.
Lens and shooting
Lens mountSony E-mountSony E-mount
StabilisationSensor shiftSensor shift
Maximum continuous burst11 fps10 fps
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 693 phase-detection and 425 contrast-detection points; phase-detection covers approximately 93% of the image area. Eye AF supports continuous AF.
ShutterMechanical 30 seconds to 1/4000 second plus Bulb; electronic 30 seconds to 1/8000 second; electronic first curtain; external flash sync 1/160 secondFocal-plane shutter; 30 seconds to 1/8000 second plus Bulb; electronic first curtain and silent electronic shooting.
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 approximately 10 fps in Hi+ with AF/AE tracking using mechanical or silent shooting; approximately 8 fps in Hi with live view. Maximum speed depends on settings and lens compatibility. Silent shooting can distort moving subjects. Sony gives buffers of approximately 177 standard JPEG, 89 compressed RAW or 40 uncompressed RAW images under its UHS-II SDXC test conditions.
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 image-sensor shift; Sony claims 5 stops under CIPA conditions for pitch/yaw with Planar T* FE 50mm F1.4 ZA and long-exposure noise reduction off. Correction depends on the lens.
FlashNo built-in flash; external flash supported through Multi Interface Shoe–
Video
Highest video resolution3840 × 2160 at 120 fps3840 × 2160 at 30 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.Japanese/NTSC XAVC S 4K at 30p or 24p, approximately 100 or 60 Mbps; the UK PAL specification lists 25p. Full HD reaches 120p in NTSC modes. S-Log2, S-Log3 and HLG supported. Sony specifies different sensor readout at 24p and 30p; PhotographyBlog reports a 1.2× crop at 30p. Continuous recording is limited to approximately 29 minutes.
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.
Screen and viewfinder
ViewfinderElectronicElectronic
Screen size3″3″
Screen dots1,036,800921,600
TouchscreenYesYes
Tilting screenYesYes
Display detailFully articulating screen; opening approximately 176°, rotation approximately 270°; touch menu, focus, tracking, shutter and exposure operationTFT screen tilts approximately 107° up and 41° down; touch focus is supported. Dots count colour subpixels.
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 modes0.5-inch electronic viewfinder; 2,359,296 dots; 100% coverage and approximately 0.78× magnification with a 50 mm lens at infinity.
Connections and design
Wi-FiYesYes
BluetoothYesYes
Battery life (maker's claim)570 photographs710 photographs
Body weight409 g565 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 Japan specifies 23 March 2018 for the ILCE-7M3 body and ILCE-7M3K kit, following its 27 February announcement; this is the Japanese sale date, not a UK release claim.
Recording mediaOne SD slot supporting UHS-I/IITwo card slots; slot 1 supports UHS-I and UHS-II SD cards, while slot 2 supports UHS-I SD and compatible Memory Stick media.
PortsUSB Type-C, SuperSpeed USB 5 Gbps (USB 3.2), Micro HDMI Type D, microphone/headphone sockets and Multi Interface ShoeUSB-C with USB 3.1 Gen 1, Multi/Micro USB, Micro HDMI, microphone and headphone sockets and Multi Interface Shoe.
Wireless connections2.4/5 GHz Wi-Fi IEEE 802.11a/b/g/n/ac and Bluetooth 4.2; no NFCWi-Fi IEEE 802.11b/g/n at 2.4 GHz, Bluetooth 4.1 and NFC.
Battery life detailNP-FZ100; CIPA approximately 570 photographs with LCD or 550 with viewfinderNP-FZ100; approximately 710 photographs with the monitor or 610 with the viewfinder under CIPA conditions.
ChargingUSB Type-C charging and power supply with USB Power Delivery; USB cable and AC adapter not includedUSB-C or Multi/Micro USB charging and power supply.
Dimensions122.0 × 69.0 × 75.1 mm; depth from grip to monitor 63.6 mmApproximately 126.9 × 95.6 × 73.7 mm maximum (width × height × depth); Sony also gives 62.7 mm from grip to monitor.
Weight detailApproximately 409 g body only; 493 g with battery and memory cardApproximately 565 g body only; 650 g including battery and memory card; lens excluded.
In the boxNP-FZ100 battery, shoulder strap, body cap, accessory shoe cap and eyepiece cup; kit lens where selectedNP-FZ100 battery, AC adaptor AC-UUD12, shoulder strap, body cap, accessory shoe cap, eyepiece cup and Micro USB cable, according to Sony Japan.

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