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Sony Alpha 77 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 77 IISonyAlpha 9 III
Overview
ReleasedMay 2014January 2024
Image and sensor
Camera typeTranslucent mirrorMirrorless
Sensor formatAPS-CFull frame
Sensor typeExmor CMOSStacked Exmor RS CMOS with global shutter
Sensor dimensions23.5 × 15.6 mm35.6 × 23.8 mm
Effective resolution24.3 MP24.6 MP
Largest image6000 × 40006000 × 4000
RAW recordingYesYes
Standard ISO range100–25600250–25600
Sensor detail24.7 million total photosites; fixed translucent mirror provides the dedicated phase-detection AF sensor with light during live view and movie recordingApproximately 25.2 million total pixels; integral memory and global exposure rather than sequential line exposure.
Image formatsJPEG Extra Fine/Fine/Standard, RAW (Sony ARW 2.3) and RAW+JPEG; 3:2 or 16:9 stills; Sweep PanoramaJPEG, HEIF and Sony ARW 5.0 RAW.
ISO detailStandard still ISO 100–25600, expanded ISO 50/64/80; multi-frame noise reduction up to ISO 51200; movie ISO 100–12800Standard ISO 250–25600 for stills and movies; stills expand to ISO 125–51200.
Image processorBIONZ XBIONZ XR with dedicated AI processing unit.
Lens and shooting
Lens mountSony A-mountSony E-mount
StabilisationSensor shiftSensor shift
Maximum continuous burst12 fps120 fps
Lens detailSony, Minolta and Konica Minolta A-mount AF lenses; kit lens is separate from body specifications–
Autofocus79 dedicated phase-detection points including 15 cross sensors and a central F2.8 sensor; EV −2–18 at ISO 100. AF-S, AF-A, AF-C, direct manual focus, Eye AF, Lock-on AF, expanded flexible spot, AF Range Control and AF micro-adjustment; usable AF points depend on lens and shooting modeUp 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.
Shutter1/8000–30 seconds and Bulb; flash sync 1/250 second; selectable electronic first curtain; maker shutter durability claim 150,000 activations–
Burst detailUp to 12 fps at full resolution in Continuous Advance Priority AE with continuous autofocus. PhotographyBlog reports exposure locked at the start and aperture automatically set to F3.5 or the lens maximum if slower. Ordinary Hi/Lo reach 8/3 fps with more exposure control. Maker 12 fps buffer: 53 Extra Fine, 60 Fine or 64 Standard JPEG, 26 RAW or 25 RAW+JPEG; ordinary Hi: 56/75/93 JPEG, 28 RAW or 26 RAW+JPEG. Rates depend on card and conditionsUp 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 detailSteadyShot INSIDE sensor shift for stills; electronic stabilisation for moviesFive-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.
FlashBuilt-in flash, guide number 12 metres at ISO 100 with 16 mm coverage; Multi Interface Shoe–
Exposure controlsPASM, automatic, scene, panorama and three memory-recall settings; 1200-zone metering; ±5 EV compensation in 1/3 or 1/2 steps; D-Range Optimizer and Auto HDR–
Video
Highest video resolution1920 × 1080 at 60 fps3840 × 2160 at 120 fps
Video detailAVCHD 2.0 Full HD at 60p/50p (28 Mbps), 60i/50i or 24p/25p (24 or 17 Mbps), depending on region. MP4 up to 1440 × 1080 at 30/25 fps. Clean HDMI output, zebra display, adjustable recording level and AF tracking sensitivity; maker continuous limit approximately 29 minutes or 2 GBUp 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.
AudioBuilt-in stereo microphone and mono playback speaker; 3.5 mm microphone input–
Screen and viewfinder
ViewfinderElectronicElectronic
Screen size3″3.2″
Screen dots1,228,8002,095,104
TouchscreenNoYes
Tilting screenYesYes
Display detailWhiteMagic LCD with three-way mechanism: 150° upward/180° downward tilt and 180° clockwise/90° anticlockwise rotation; top status display; dots include the additional white subpixelsFour-axis LCD tilts and opens sideways; approximately 98° up, 40° down, 180° sideways and 270° rotation.
Viewfinder detail0.5-type OLED Tru-Finder with 2,359,296 dots, 100% coverage and approximately 1.09× magnification with a 50 mm lens, equivalent to 0.71× on full frame0.64-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)410 photographs530 photographs
Body weight647 g617 g
Release detailSony Hong Kong specifies retail availability from the end of May 2014; Sony USA specifies June 2014Sony UK announced availability in January 2024; Japan's announcement specifies 26 January. The main date retains UK month precision.
Recording mediaSingle slot for SD/SDHC/SDXC including UHS-I, Memory Stick PRO Duo, PRO-HG Duo or XC-HG DuoBoth slots accept CFexpress Type A or UHS-I/UHS-II SD.
PortsMulti/Micro USB terminal, micro HDMI Type D, 3.5 mm microphone input, flash sync terminal, DC input, wired remote terminal and Multi Interface Shoe; no headphone outputUSB 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 connectionsIEEE 802.11b/g/n Wi-Fi at 2.4 GHz and NFC for one-touch sharing/remote control; no GPSWi-Fi IEEE 802.11a/b/g/n/ac at 2.4/5 GHz and Bluetooth 5.0.
Battery life detailNP-FM500H; maker CIPA claim approximately 410 photographs with viewfinder or 480 with LCDNP-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.
ChargingSupplied BC-VM10A external battery charger–
DimensionsApproximately 142.6 × 104.2 × 80.9 mm (width × height × depth)Approximately 136.1 × 96.9 × 82.9 mm (width × height × maximum depth); grip-to-monitor depth 72.8 mm.
Weight detailApproximately 647 g body only or 726 g with battery and Memory Stick PRO DuoSony 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.
MaterialsMagnesium-alloy body with dust- and moisture-resistant seals; resistance is not waterproofing–
ColoursBlack–
In the boxNP-FM500H battery, BC-VM10A charger, shoulder strap, Micro USB cable, body cap, eyepiece cup and shoe cap; lens depends on kitNP-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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