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Sony Alpha 7R VI vs Sony Alpha SLT-A57

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

Better figure, where one is clearly better

SonyAlpha 7R VISonyAlpha SLT-A57
Overview
ReleasedJune 2026April 2012
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 MP16.1 MP
Largest image9984 × 66564912 × 3264
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.16.7 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 100–3200; multi-frame noise reduction extends sensitivity to ISO 25600; movies ISO 100–3200
Image processorBIONZ XR2 with integrated AI processing unit.BIONZ
Lens and shooting
Lens mountSony E-mountSony A-mount
StabilisationSensor shiftSensor shift
Maximum continuous burst30 fps10 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.15-point phase-detection AF with three cross sensors; EV −1–18 at ISO 100 with an F2.8 lens; AF-S, AF-A, AF-C and manual focus; zone and local selection, tracking AF and Eye-Start
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.1/4000–30 seconds and Bulb; flash sync 1/160 second
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 with full-time continuous AF in Tele-zoom Continuous Advance Priority AE: 1.4× centre crop, medium/small JPEG only. Full-resolution Continuous Advance Priority AE reaches 10 fps; ordinary drive 8 fps Hi or 3 fps Lo. Maker buffer claim at 10 fps: 23 Fine JPEG, 27 Standard JPEG, 21 RAW or 18 RAW+JPEG frames; cropped 12 fps: 23 Fine or 25 Standard JPEG frames. In the 10/12 fps AF modes aperture is controlled to f/3.5, or the maximum aperture of a slower lens; the 12 fps maximum image is approximately 8.4 MP.
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 10 in metres at ISO 100; ADI and pre-flash TTL control; compatible external flash required for wireless flash and high-speed sync
Exposure controls–PASM, Intelligent Auto, Superior Auto, scene and panorama modes; 1200-zone metering; ±3 EV compensation in 1/3 steps; three-frame Auto HDR, D-Range Optimizer, Picture Effects and Auto Portrait Framing
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.Xtra Fine LCD with 180° tilt and 270° rotation on a bottom hinge; focus peaking and magnification; dots count colour subpixels
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.0.46-type SVGA electronic finder, 100% coverage; 1,440,000 effective dots at maximum magnification (1.04× with a 50 mm lens), or 1,253,280 at standard magnification (0.97×); electronic level and grids
Connections and design
Wi-FiYes–
BluetoothYes–
Battery life (maker's claim)710 photographs550 photographs
Body weight622 g539 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 UK specifies early April 2012 for European availability; Japan’s revised announcement specifies 27 April 2012. April is the earliest maker-stated retail precision found.
Recording mediaTwo multi-format slots, each accepting CFexpress 2 Type A or UHS-I/UHS-II SD media.Single slot accepting SD, SDHC, SDXC, 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 and DC input; optional infrared remote; Auto-lock accessory shoe
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.–
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 550 photographs using the viewfinder or 590 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 132.1 × 97.5 × 80.7 mm (width × height × depth), excluding protrusions
Weight detailApproximately 622 g body only; 713 g with battery and memory card; lens excluded.Approximately 539 g body only; 618 g including battery and Memory Stick PRO Duo
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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