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Sony Alpha 7R VI vs Sony Alpha SLT-A77

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

Better figure, where one is clearly better

SonyAlpha 7R VISonyAlpha SLT-A77
Overview
ReleasedJune 2026September 2011
Image and sensor
Camera typeMirrorlessTranslucent mirror
Sensor formatFull frameAPS-C
Sensor typeBack-illuminated fully stacked Exmor RS CMOSExmor APS HD CMOS
Sensor dimensions35.9 × 24 mm23.5 × 15.6 mm
Effective resolution66.8 MP24.3 MP
Largest image9984 × 66566000 × 4000
RAW recordingYesYes
Standard ISO range100–32000100–16000
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.24.7 million total photosites; fixed translucent mirror feeds a dedicated phase-detection AF sensor while the main sensor supplies live view
Image formatsJPEG, HEIF, RAW, RAW+JPEG and RAW+HEIF; Sony ARW 6.0. Compressed HQ RAW available.JPEG, RAW (Sony ARW 2.3), RAW+JPEG and 3D MPO panoramas; 3:2 or 16:9 stills
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.Auto ISO 100–12800 with adjustable limits; expanded ISO 50; multi-frame noise reduction ISO 100–25600; main ISO range excludes expansion
Image processorBIONZ XR2 with integrated AI processing unit.BIONZ
Lens and shooting
Lens mountSony E-mountSony A-mount
StabilisationSensor shiftSensor shift
Maximum continuous burst30 fps12 fps
Lens detail–Compatible Sony, Minolta and Konica Minolta A-mount AF lenses; kit lenses are separate from body specifications
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.19-point phase-detection AF with 11 cross sensors; EV −1–18 at ISO 100 with an F2.8 lens; AF-S, AF-A, AF-C, direct manual and manual focus; tracking AF and built-in LED assist
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.1/8000–30 seconds and Bulb; flash sync 1/250 second; selectable electronic first curtain; maker-rated approximately 150,000 shutter operations
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 12 fps at full resolution in Continuous Advance Priority AE with continuous phase-detection AF; ordinary drive 8 fps Hi or 3 fps Lo. Maker buffer claim at 12 fps: 13 Extra Fine JPEG, 17 Fine/Standard JPEG, 13 RAW or 11 RAW+JPEG frames; ordinary drive reaches 18 Fine/Standard JPEG frames. Performance depends on card and shooting conditions.
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.SteadyShot INSIDE sensor shift for stills, maker claim approximately 2.5–4.5 stops; electronic stabilisation for movies
Flash–Automatic pop-up flash, guide number 12 in metres at ISO 100; ADI, pre-flash TTL and manual output; ±3 EV flash compensation; external compatible flash required for wireless and high-speed sync
Exposure controls–PASM, Auto, Auto+, scene, panorama and memory-recall modes; 1200-zone metering; ±5 EV exposure compensation in 1/3 or 1/2 steps; three-frame Auto HDR, D-Range Optimizer and Picture Effects
Video
Highest video resolution7680 × 4320 at 30 fps1920 × 1080 at 60 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.Japan/NTSC model: 1920 × 1080 AVCHD 2.0 at 60p/28 Mbps, 60i/24 or 17 Mbps, and 24p/24 or 17 Mbps; PAL models use 50p, 50i and 25p. MP4 supports 1440 × 1080 or VGA. P/A/S/M movie exposure modes require manual focus; continuous phase-detection AF is available with automatic movie exposure.
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 with wind-noise reduction, external stereo microphone input and mono playback speaker
Screen and viewfinder
ViewfinderElectronicElectronic
Screen size3.2″3″
Screen dots2,095,104921,600
TouchscreenYesNo
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.Three-axis articulating LCD: 150° upwards, 180° forwards, then rotation 180° right or 90° left; 921,600 dots count colour subpixels; focus peaking and magnification; separate top status LCD
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.0.5-type XGA OLED Tru-Finder with 2,359,296 dots, 100% coverage and approximately 1.09× magnification with a 50 mm lens; focus magnification and electronic level
Connections and design
Wi-FiYes–
BluetoothYes–
Battery life (maker's claim)710 photographs470 photographs
Body weight622 g653 g
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 China announced staggered availability from mid-September 2011; the UK announcement specifies October 2011; Sony Japan specifies 14 October 2011. September is the earliest maker-stated retail precision read.
Recording mediaTwo multi-format slots, each accepting CFexpress 2 Type A or UHS-I/UHS-II SD media.Single slot accepting SD/SDHC/SDXC (UHS-I supported), Memory Stick PRO Duo and PRO-HG Duo
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.USB 2.0 Hi-Speed, mini HDMI Type C, 3.5 mm stereo microphone input, wired remote, DC input and flash sync terminal; Auto-lock accessory shoe and optional infrared remote
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.GPS geotagging is built into the SLT-A77V regional model represented by the Japanese specification and photograph.
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-FM500H; CIPA maker claim approximately 470 photographs using the viewfinder or 530 using the LCD
Charging–Supplied BC-VM10A external charger
DimensionsApproximately 132.7 × 96.9 × 82.9 mm (width × height × maximum depth); grip-to-monitor depth 72.8 mm.Approximately 142.6 × 104 × 80.9 mm (width × height × depth), excluding protrusions
Weight detailApproximately 622 g body only; 713 g with battery and memory card; lens excluded.Approximately 653 g body only; 732 g including battery and Memory Stick PRO Duo
Materials–Magnesium-alloy body with dust and moisture resistance measures; Sony does not guarantee complete resistance in all conditions
Colours–Black
In the boxNP-SA100 battery, BC-SAD1 charger, cable clamper, shoulder strap, body cap, accessory shoe cap and eyepiece cup, according to Sony UK.NP-FM500H battery, BC-VM10A charger, shoulder strap, eyepiece cup, USB cable and software CD; lenses depend on kit

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