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Sony Alpha 6700 vs Sony Alpha 7 IV

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

Better figure, where one is clearly better

SonyAlpha 6700SonyAlpha 7 IV
Overview
ReleasedJuly 2023November 2021
Image and sensor
Camera typeMirrorlessMirrorless
Sensor formatAPS-CFull frame
Sensor typeBack-illuminated Exmor R CMOSExmor R back-illuminated CMOS
Sensor dimensions23.3 × 15.5 mm35.9 × 23.9 mm
Effective resolution26 MP33 MP
Largest image6192 × 41287008 × 4672
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 34.1 million total pixels; 3:2 full-frame sensor
Image formatsJPEG, HEIF 4:2:0/4:2:2, RAW, RAW+JPEG and RAW+HEIF; ARW 4.0; 14-bit RAW supportJPEG, HEIF and 14-bit RAW; compressed, lossless compressed and uncompressed RAW options
ISO detailISO 50 and 102400 are expanded; Auto ISO limits configurableStandard still-image ISO 100–51200; expanded ISO 50–204800. Movie ISO 100–51200, expandable to 102400.
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; body figures exclude lenses. ILCE-7M4K kit includes FE 28–70mm F3.5–5.6 OSS.
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 mode; Eye AF recognises humans, animals and birds in stills and movies
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 electronic shutter; 1/8000 second to 30 seconds plus Bulb; full-frame flash sync 1/250 second
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/settingsHi+ up to 10 fps, Hi 8 fps, Mid 6 fps and Lo 3 fps. Photography Blog and TechRadar report JPEG/compressed RAW are needed for 10 fps; uncompressed or lossless RAW slows to approximately 5–6 fps. Speed and buffer depend on shooting conditions and 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; maker claims 5.5 stops under CIPA pitch/yaw conditions with Planar T* FE 50mm F1.4 ZA. Active movie stabilisation adds a crop.
FlashNo built-in flash; external flash supported through Multi Interface Shoe–
Video
Highest video resolution3840 × 2160 at 120 fps3840 × 2160 at 60 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 4K up to 60p, including 10-bit 4:2:2; 60p/50p uses APS-C/Super 35 rather than full-frame readout. Full-frame 4K 30p uses 7K oversampling. Full HD up to 120p; S-Log3, HLG and S-Cinetone. USB streaming tops out at 4K 15p or Full HD 60p, separately from internal recording.
AudioStereo microphone; 3.5 mm microphone/headphone sockets; Multi Interface Shoe digital audio with compatible accessories–
Screen and viewfinder
ViewfinderElectronicElectronic
Screen size3″3″
Screen dots1,036,8001,036,800
TouchscreenYesYes
Tilting screenYesYes
Display detailFully articulating screen; opening approximately 176°, rotation approximately 270°; touch menu, focus, tracking, shutter and exposure operationSide-opening vari-angle touchscreen, approximately 176° opening and 270° rotation; dots are not image pixels
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-type OLED; 3,686,400 dots; 100% coverage; approximately 0.78× magnification; 60 or 120 fps display
Connections and design
Wi-FiYesYes
BluetoothYesYes
Battery life (maker's claim)570 photographs580 photographs
Body weight409 g573 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 Hong Kong states 25 November 2021 availability; the UK announcement gives December 2021. Announced on 21 October 2021. This is ILCE-7M4, not the Alpha 7R IV or Alpha 7S III.
Recording mediaOne SD slot supporting UHS-I/IISlot 1 accepts CFexpress Type A or UHS-I/II SD cards; slot 2 accepts UHS-I/II SD cards
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 10Gbps with Power Delivery; Multi/Micro USB; 3.5 mm microphone and headphone sockets; Multi Interface Shoe with digital audio
Wireless connections2.4/5 GHz Wi-Fi IEEE 802.11a/b/g/n/ac and Bluetooth 4.2; no NFCDual-band Wi-Fi 802.11a/b/g/n/ac, subject to regional 5 GHz restrictions; Bluetooth 4.1
Battery life detailNP-FZ100; CIPA approximately 570 photographs with LCD or 550 with viewfinderNP-FZ100. Current Sony Japan specifications give approximately 580 photographs with the monitor or 520 with the viewfinder under CIPA conditions; Photography Blog's launch review instead reports a 610-shot claim. Main figure follows the current maker table.
ChargingUSB Type-C charging and power supply with USB Power Delivery; USB cable and AC adapter not includedIn-camera USB-C charging and USB Power Delivery
Dimensions122.0 × 69.0 × 75.1 mm; depth from grip to monitor 63.6 mmApproximately 131.3 × 96.4 × 79.8 mm; 69.7 mm depth from grip to monitor
Weight detailApproximately 409 g body only; 493 g with battery and memory cardApproximately 573 g body only; current Sony specifications give 658 g with battery and memory card. Photography Blog incorrectly describes the loaded figure as excluding battery/card; it is not used as body weight.
In the boxNP-FZ100 battery, shoulder strap, body cap, accessory shoe cap and eyepiece cup; kit lens where selected–

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