Request a product

Sony Alpha 7R VI vs Sony Alpha SLT-A55

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

Better figure, where one is clearly better

SonyAlpha 7R VISonyAlpha SLT-A55
Overview
ReleasedJune 2026September 2010
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 MP16.2 MP
Largest image9984 × 66564912 × 3264
RAW recordingYesYes
Standard ISO range100–32000100–12800
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 2.2) and RAW+JPEG; 3:2 or 16:9 stills; Sweep Panorama and 3D MPO panorama recording
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 100–1600; multi-frame noise reduction extends sensitivity to ISO 25600; movie Auto 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; single-shot, automatic and continuous AF, manual focus and Eye-Start AF
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 10 fps in Continuous Advance Priority AE with AF-C focus and exposure adjustment according to the maker manual; AF-S fixes focus to the first frame. Ordinary continuous drive reaches 6 fps; its maker buffer figures are 35 Fine JPEG, 39 Standard JPEG, 20 RAW or 20 RAW+JPEG frames. PhotographyBlog’s exposure-lock description conflicts with the manual; PhotoReview tested a late pre-production unit.
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 system; maker claim approximately 2.5–4 stops depending on lens and conditions
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, Auto, Auto+, scene, panorama and Continuous Advance Priority AE modes; 1200-zone main-sensor metering; ±2 EV compensation in 1/3 steps; D-Range Optimizer and three-frame Auto HDR
Video
Highest video resolution7680 × 4320 at 30 fps1920 × 1080 at 29.97 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 specification is 1920 × 1080 AVCHD at 59.94 interlaced fields/s from 29.97 sensor frames/s, approximately 17 Mbps; PAL bodies use 50i from 25 frames/s. MP4 supports 1440 × 1080 and VGA. At 20°C Sony claims approximately nine minutes of continuous recording with SteadyShot enabled or 29 minutes disabled; higher temperatures shorten this further.
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, mono playback speaker and external microphone input
Screen and viewfinder
ViewfinderElectronicElectronic
Screen size3.2″3″
Screen dots2,095,104921,600
TouchscreenYes–
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 TruBlack LCD; 180° tilt and 270° rotation on a bottom hinge; 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.Electronic finder with approximately 100% coverage, 1.10× magnification with a 50 mm lens, and 1,152,000 effective equivalent dots out of 1,440,000 total; electronic level and grid display
Connections and design
Wi-FiYes–
BluetoothYes–
Battery life (maker's claim)710 photographs330 photographs
Body weight622 g441 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 Japan specifies 10 September 2010 for SLT-A55V; the US announcement specifies October 2010. September is the earliest maker-stated retail month 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, external microphone input and wired remote terminal; optional infrared remote and AC adaptor
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.SLT-A55V includes GPS geotagging; SLT-A55 sold in some markets omits GPS. The Japanese specification and photo represent SLT-A55V.
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-FW50; CIPA maker claim approximately 330 photographs using the viewfinder or 380 using the LCD
Charging–Supplied BC-VW1 external battery charger
DimensionsApproximately 132.7 × 96.9 × 82.9 mm (width × height × maximum depth); grip-to-monitor depth 72.8 mm.Approximately 124.4 × 92 × 84.7 mm (width × height × depth)
Weight detailApproximately 622 g body only; 713 g with battery and memory card; lens excluded.Approximately 441 g body only; 500 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-FW50 battery, BC-VW1 charger, USB cable, shoulder strap, caps and software CD; kit lenses depend on configuration

More comparisons