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Sony Alpha 6600 vs Sony Alpha 9 III

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

Better figure, where one is clearly better

SonyAlpha 6600SonyAlpha 9 III
Overview
ReleasedOctober 2019January 2024
Image and sensor
Camera typeMirrorlessMirrorless
Sensor formatAPS-CFull frame
Sensor typeExmor CMOSStacked Exmor RS CMOS with global shutter
Sensor dimensions23.5 × 15.6 mm35.6 × 23.8 mm
Effective resolution24.2 MP24.6 MP
Largest image6000 × 40006000 × 4000
RAW recordingYesYes
Standard ISO range100–32000250–25600
Sensor detailApproximately 25.0 million total pixels; 3:2 aspect ratioApproximately 25.2 million total pixels; integral memory and global exposure rather than sequential line exposure.
Image formatsJPEG, compressed RAW and RAW+JPEG; ARW 2.3; 14-bit RAW support under Sony's stated conditionsJPEG, HEIF and Sony ARW 5.0 RAW.
ISO detailISO 50 and 102400 are expanded; Auto ISO limits configurableStandard ISO 250–25600 for stills and movies; stills expand to ISO 125–51200.
Image processorBIONZ X with front-end LSIBIONZ XR with dedicated AI processing unit.
Lens and shooting
Lens mountSony E-mountSony E-mount
StabilisationSensor shiftSensor shift
Maximum continuous burst11 fps120 fps
Autofocus425 phase-detection and 425 contrast-detection points; Real-time Tracking; human/animal Eye AF for stills, human Eye AF for moviesUp 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.
Shutter30 seconds to 1/4000 second plus Bulb; electronic first curtain and silent shooting; external flash sync 1/160 second–
Burst detailMechanical Hi+ up to 11 fps with AF/AE tracking, or silent shooting up to 8 fps; 116 Standard JPEG, 115 Fine JPEG, 99 Extra Fine JPEG, 46 RAW or 44 RAW+JPEG imagesUp 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; five-stop CIPA pitch/yaw claim with Sonnar T* FE 55mm F1.8 ZA and long-exposure noise reduction off; correction depends on lensFive-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.
FlashNo built-in flash; external flash supported through Multi Interface Shoe–
Exposure controlsPASM, auto and scene modes, DRO, Auto HDR and interval shooting–
Video
Highest video resolution3840 × 2160 at 30 fps3840 × 2160 at 120 fps
Video detailXAVC S 4K up to 30p/24p at 100 Mbps in Japanese NTSC specification; Full HD up to 120p. Full-pixel readout without binning; S-Log2, S-Log3 and HLG profiles; human Eye AF in movies.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 input and headphone output–
Screen and viewfinder
ViewfinderElectronicElectronic
Screen size3″3.2″
Screen dots921,6002,095,104
TouchscreenYesYes
Tilting screenYesYes
Display detailScreen tilts approximately 180° up or 74° down; touch focus, shutter, tracking and touchpadFour-axis LCD tilts and opens sideways; approximately 98° up, 40° down, 180° sideways and 270° rotation.
Viewfinder detail0.39-type OLED, 2,359,296 dots; approximately 0.70× 35 mm-equivalent magnification; 60/120 fps display modes0.64-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
BluetoothYesYes
Battery life (maker's claim)810 photographs530 photographs
Body weight418 g617 g
Release detailSony Hong Kong states availability from the end of October 2019; month precision is retainedSony UK announced availability in January 2024; Japan's announcement specifies 26 January. The main date retains UK month precision.
Recording mediaOne shared SD/Memory Stick slot; SDHC/SDXC UHS-IBoth slots accept CFexpress Type A or UHS-I/UHS-II SD.
PortsMulti/Micro USB, Micro HDMI Type D, microphone/headphone sockets and Multi Interface ShoeUSB 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 connections2.4 GHz Wi-Fi, NFC and Bluetooth smartphone location linkingWi-Fi IEEE 802.11a/b/g/n/ac at 2.4/5 GHz and Bluetooth 5.0.
Battery life detailNP-FZ100; CIPA approximately 810 photographs with LCD or 720 with viewfinderNP-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.
ChargingIn-camera USB charging and USB power supply–
Dimensions120.0 × 66.9 × 69.3 mm; depth from grip to monitor 59.0 mmApproximately 136.1 × 96.9 × 82.9 mm (width × height × maximum depth); grip-to-monitor depth 72.8 mm.
Weight detailApproximately 418 g body only; 503 g with battery and memory cardSony 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 design with dust and moisture resistance; not guaranteed in all conditions–
In the boxNP-FZ100 battery, AC-UUD12 adapter, shoulder strap, body cap, accessory shoe cap, eyepiece cup and Micro USB cable (Japanese specification); kit lens where selectedNP-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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