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Sony Alpha 7R II vs Sony Alpha 9 III

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

Better figure, where one is clearly better

SonyAlpha 7R IISonyAlpha 9 III
Overview
ReleasedAugust 2015January 2024
Image and sensor
Camera typeMirrorlessMirrorless
Sensor formatFull frameFull frame
Sensor typeBack-illuminated Exmor R CMOSStacked Exmor RS CMOS with global shutter
Sensor dimensions35.9 × 24 mm35.6 × 23.8 mm
Effective resolution42.4 MP24.6 MP
Largest image7952 × 53046000 × 4000
RAW recordingYesYes
Standard ISO range100–25600250–25600
Sensor detailApproximately 43.6 million total pixels; 3:2 back-illuminated sensor without an optical low-pass filter.Approximately 25.2 million total pixels; integral memory and global exposure rather than sequential line exposure.
Image formatsJPEG, RAW and RAW+JPEG; Sony ARW 2.3. Current maker specifications include uncompressed RAW and 14-bit output.JPEG, HEIF and Sony ARW 5.0 RAW.
ISO detailStandard still-image ISO 100–25600; expanded ISO 50–102400. Multi Shot NR combines images separately from single-image sensitivity.Standard ISO 250–25600 for stills and movies; stills expand to ISO 125–51200.
Image processor–BIONZ XR with dedicated AI processing unit.
Lens and shooting
Lens mountSony E-mountSony E-mount
StabilisationSensor shiftSensor shift
Maximum continuous burst5 fps120 fps
AutofocusFast Hybrid AF with 399 full-frame phase-detection points and 25 contrast points; 357 phase points in APS-C mode. Eye AF and continuous AF supported.Up to 759 still-image or 627 movie phase-detection points; sensitivity EV −5 to 20 with an F2 lens at ISO 100 equivalent. Current UK specification includes automatic subject selection and people, animals, birds, insects, cars, trains and aircraft; launch reviews precede later firmware enhancements.
ShutterFocal-plane shutter; 30 seconds to 1/8000 second plus Bulb; flash sync 1/250 second. Electronic first curtain and silent shooting supported.–
Burst detailUp to approximately 5 fps in Continuous Hi with AF tracking, as Sony's launch announcement specifies; approximately 2.5 fps in Lo. Maker buffers include 23 compressed RAW or nine uncompressed RAW frames; speed depends on conditions.Up to 120 fps full-resolution electronic bursts with AF/AE tracking under Sony test conditions; speed depends on lens compatibility and shooting settings. Pre-Capture retains up to one second before full shutter press. No mechanical shutter.
Stabilisation detailFive-axis sensor shift; Sony claims 4.5 stops under CIPA pitch/yaw conditions with Sonnar T* FE 55mm F1.8 ZA and long-exposure noise reduction off. Correction depends on lens compatibility.Five-axis sensor shift; 8.0-stop CIPA pitch/yaw claim with FE 50mm F1.2 GM and long-exposure noise reduction off. Active and Dynamic Active movie modes supported.
Video
Highest video resolution3840 × 2160 at 30 fps3840 × 2160 at 120 fps
Video detailJapanese specification lists XAVC S 4K at 30p or 24p and up to 100 Mbps; headline maximum reflects the Japanese/NTSC mode. Full-pixel readout without binning applies to Super 35mm 4K, not every full-frame recording mode. S-Log2; 8-bit 4:2:2 HDMI output. Full HD 60p and HD 720p120 are separate lower-resolution modes.Up to uncropped 3840 × 2160 120p NTSC or 100p PAL; 4K 60p uses 6K oversampling. Supports 10-bit 4:2:2, S-Log3 and S-Cinetone; All-Intra 4K tops out at 60p. External HDMI RAW output is separate from internal recording.
AudioStereo microphone; 3.5 mm microphone and headphone sockets.–
Screen and viewfinder
ViewfinderElectronicElectronic
Screen size3″3.2″
Screen dots1,228,8002,095,104
TouchscreenNoYes
Tilting screenYesYes
Display detailTFT LCD tilts approximately 107° up and 41° down; no touchscreen.Four-axis LCD tilts and opens sideways; approximately 98° up, 40° down, 180° sideways and 270° rotation.
Viewfinder detail0.5-inch electronic viewfinder with 2,359,296 dots, 100% coverage and approximately 0.78× magnification with a 50 mm lens at infinity.0.64-inch Quad-XGA OLED with 9437184 dots and approximately 0.90× magnification with a 50 mm lens at infinity; selectable up to 240 fps NTSC or 200 fps PAL.
Connections and design
Wi-FiYesYes
Bluetooth–Yes
Battery life (maker's claim)340 photographs530 photographs
Body weight582 g617 g
Release detailSony Japan specifies 7 August 2015 for the ILCE-7RM2 body; this is the Japanese sale date, not a UK release claim.Sony UK announced availability in January 2024; Japan's announcement specifies 26 January. The main date retains UK month precision.
Recording mediaSingle slot supports SD, SDHC and SDXC including UHS-I, plus compatible Memory Stick formats.Both slots accept CFexpress Type A or UHS-I/UHS-II SD.
PortsMulti/Micro USB, Micro HDMI, microphone and headphone sockets and Multi Interface Shoe.USB Type-C at 10 Gbps, Multi/Micro USB, full-size HDMI, 1000BASE-T Ethernet, sync terminal, 3.5 mm microphone and headphone sockets and digital-audio Multi Interface Shoe.
Wireless connectionsWi-Fi IEEE 802.11b/g/n at 2.4 GHz and NFC.Wi-Fi IEEE 802.11a/b/g/n/ac at 2.4/5 GHz and Bluetooth 5.0.
Battery life detailNP-FW50; CIPA approximately 340 photographs using the LCD or 290 using the viewfinder. In-camera charging and USB power supported.NP-FZ100; Sony UK CIPA approximately 530 photographs with LCD or 400 with viewfinder. Japan lists 520/410 respectively. USB Type-C Power Delivery charging and power supported.
DimensionsApproximately 126.9 × 95.7 × 60.3 mm (width × height × depth, grip to monitor).Approximately 136.1 × 96.9 × 82.9 mm (width × height × maximum depth); grip-to-monitor depth 72.8 mm.
Weight detailApproximately 582 g body only; 625 g with battery and memory card; lens excluded.Sony UK specifies approximately 617 g body only or 702 g with battery and memory card; Japan specifies 618/703 g respectively. Main figures use the UK specification.
In the boxTwo NP-FW50 batteries, strap, cable protector, AC-UUD11 adaptor, BC-VW1 battery charger and Micro USB cable, according to Sony Japan.NP-FZ100 battery, BC-QZ1 charger, power cord, cable protector, shoulder strap, body cap, accessory shoe cap and eyepiece cup, according to Sony UK.

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