Sony Alpha 7R VI vs Sony Alpha 7S III

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

Better figure, where one is clearly better

Alpha 7R VI compared with Alpha 7S III
SonyAlpha 7R VISonyAlpha 7S III
Overview
ReleasedJune 2026September 2020
Image and sensor
Camera typeMirrorlessMirrorless
Sensor formatFull frameFull frame
Sensor typeBack-illuminated fully stacked Exmor RS CMOSBack-illuminated Exmor R CMOS
Sensor dimensions35.9 × 24 mm35.6 × 23.8 mm
Effective resolution66.8 MP12.1 MP
Largest image9984 × 66564240 × 2832
RAW recordingYesYes
Standard ISO range100–3200080–102400
Sensor detailApproximately 72.6 million total pixels; effective resolution is up to 66.8 MP for stills and 55.8 MP for movies. Four- or 16-frame Pixel Shift Multi Shooting requires computer compositing; extended RAW processing modes are separate from the 9984 × 6656 normal still output.Approximately 12.9 million total pixels; 3:2 sensor; anti-static coating and ultrasonic dust reduction
Image formatsJPEG, HEIF, RAW, RAW+JPEG and RAW+HEIF; Sony ARW 6.0. Compressed HQ RAW available.JPEG, 10-bit HEIF and compressed or uncompressed 14-bit RAW (Sony ARW 4.0); XAVC S, XAVC S-I and XAVC HS movies
ISO detailStandard still-image ISO 100–32000; expanded ISO 50–102400. Dynamic Active movie stabilisation limits movie ISO to 100–25600 in the exact Japanese specification.Standard still-image and movie ISO 80–102400; still-image extension ISO 40–409600; movie extension reaches ISO 409600
Image processorBIONZ XR2 with integrated AI processing unit.BIONZ XR
Lens and shooting
Lens mountSony E-mountSony E-mount
StabilisationSensor shiftSensor shift
Maximum continuous burst30 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.
AutofocusFast Hybrid AF with up to 759 phase-detection points for stills or movies and approximately 94% still-image area coverage. Recognition covers people, animals, birds, insects, cars, trains and aircraft; Auto subject recognition supported. AF-S sensitivity is EV −6 to 20 with F1.2 at ISO 100, or EV −11 to 20 in the specified Bright Monitoring mode.Fast 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 and electronic shutters; exact Sony specifications list 30 seconds to 1/8000 second for stills, with Bulb for mechanical shooting. Flash sync 1/250 second full-frame or 1/320 second APS-C with compatible Sony flash; electronic first curtain supported.Mechanical 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 detailUp to approximately 30 fps blackout-free electronic Hi+ with AF/AE tracking and up to 60 AF/AE calculations per second; mechanical Hi+ up to 10 fps. Maker buffer figures include 215 fine JPEG, 150 RAW or 65 compressed HQ RAW frames; card and recording conditions affect results. Pre-Capture and continuous-speed boost supported; lens compatibility affects maximum speed.Up 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; Sony claims 8.5 stops at the centre and 7.0 at the periphery under CIPA 2024 pitch/yaw/roll conditions with FE 50mm F1.2 GM and long-exposure noise reduction off. Dynamic Active video stabilisation narrows the field of view more than Active mode.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
Flash–No 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 resolution7680 × 4320 at 30 fps3840 × 2160 at 120 fps
Video detailXAVC HS 8K at approximately 30p/25p/24p supports 10-bit 4:2:2 or 4:2:0. 8K oversamples from 8.2K and narrows the field of view. Full-frame 4K 60p is uncropped; uncropped 4K 120p requires 4K angle-of-view priority On. Dual Gain Shooting works only at 4K 30p or lower. Sony's 120-minute 8K claim uses 30p 200 Mbps 4:2:0 10-bit, temperature setting High, monitor open and 25°C ambient; it is not an unconditional recording limit.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.
AudioBuilt-in stereo microphone and 3.5 mm microphone/headphone sockets. Optional XLR-A4 enables up to 96 kHz 32-bit float four-channel in-camera recording through the digital-audio Multi Interface Shoe; this is not an internal-microphone specification.Built-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 size3.2″3″
Screen dots2,095,1041,440,000
TouchscreenYesYes
Tilting screenYesYes
Display detailFour-axis TFT LCD tilts approximately 98° up and 40° down, opens 180° sideways and rotates 270° in the open position; automatic vertical information display supported.Side-opening vari-angle LCD; opens approximately 176° and rotates approximately 270°; touch menus and focus selection
Viewfinder detail0.64-inch Quad-XGA OLED with 9,437,184 dots and approximately 0.90× magnification; 60/120 fps display. Sony specifies DCI-P3-equivalent gamut and 10-bit HDR display.0.64-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)710 photographs600 photographs
Body weight622 g614 g (better)
Release detailSony UK specifies availability from June 2026; month precision is retained. Sony Japan separately specifies 5 June 2026 for ILCE-7RM6, which is not treated as the UK sale day.Sony USA specifies September 2020 retail availability. This is ILCE-7SM3 with current maker-supported specification features.
Recording mediaTwo multi-format slots, each accepting CFexpress 2 Type A or UHS-I/UHS-II SD media.Two combined CFexpress Type A/SD slots, each supporting UHS-I and UHS-II SDHC/SDXC; simultaneous, relay or separate-format recording
PortsTwo USB Type-C ports; port 1 supports 10 Gbps USB 3.2, port 2 supports 480 Mbps USB 2.0. Full-size HDMI, microphone and headphone sockets, sync terminal and digital-audio Multi Interface Shoe; no Micro USB terminal.Full-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 connectionsWi-Fi IEEE 802.11a/b/g/n/ac/ax at 2.4/5/6 GHz and Bluetooth 5.3; no NFC in maker specifications.Wi-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-SA100, 2670 mAh; CIPA approximately 710 photographs with LCD or 600 with viewfinder. USB Type-C Power Delivery charging and power supported; Sony Japan requires a 27 W or higher compatible supply/cable for the specified in-camera charging setup.NP-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
Charging–USB-C in-camera charging and power supply with USB Power Delivery support
DimensionsApproximately 132.7 × 96.9 × 82.9 mm (width × height × maximum depth); grip-to-monitor depth 72.8 mm.Approximately 128.9 × 96.9 × 80.8 mm; depth from grip to monitor 69.7 mm
Weight detailApproximately 622 g body only; 713 g with battery and memory card; lens excluded.Approximately 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-SA100 battery, BC-SAD1 charger, cable clamper, shoulder strap, body cap, accessory shoe cap and eyepiece cup, according to Sony UK.Sony 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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