Sony Alpha 9 III vs Sony Alpha DSLR-A580

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Alpha 9 III compared with Alpha DSLR-A580

	SonyAlpha 9 III	SonyAlpha DSLR-A580
Overview
Released
Released	January 2024	October 2010
Image and sensor
Camera type
Camera type	Mirrorless	DSLR
Sensor format
Sensor format	Full frame	APS-C
Sensor type
Sensor type	Stacked Exmor RS CMOS with global shutter	Exmor APS HD CMOS
Sensor dimensions
Sensor dimensions	35.6 × 23.8 mm	23.5 × 15.6 mm
Effective resolution
Effective resolution	24.6 MP	16.2 MP
Largest image
Largest image	6000 × 4000	4912 × 3264
RAW recording
RAW recording	Yes	Yes
Standard ISO range
Standard ISO range	250–25600	100–12800
Sensor detail
Sensor detail	Approximately 25.2 million total pixels; integral memory and global exposure rather than sequential line exposure.	Approximately 16.7 million total pixels; RGB primary-colour filter, charge protection coating and sensor-shift dust reduction
Image formats
Image formats	JPEG, HEIF and Sony ARW 5.0 RAW.	JPEG, RAW and RAW+JPEG; Sony ARW 2.2
ISO detail
ISO detail	Standard ISO 250–25600 for stills and movies; stills expand to ISO 125–51200.	ISO 100–12,800 for single exposures; Multi Frame Noise Reduction combines six exposures and extends to ISO 25,600.
Image processor
Image processor	BIONZ XR with dedicated AI processing unit.	BIONZ
Lens and shooting
Lens mount
Lens mount	Sony E-mount	Sony A-mount
Stabilisation
Stabilisation	Sensor shift	Sensor shift
Maximum continuous burst
Maximum continuous burst	120 fps	7 fps
Lens detail
Lens detail	–	Sony A-mount; operation confirmed with Minolta and Konica Minolta AF lenses
Autofocus
Autofocus	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.	TTL phase detection: 15 points in live view, including three cross-type points; 11 points with optical viewfinder. Single, automatic and continuous AF; Focus Check Live View also offers contrast AF.
Shutter
Shutter	–	Electronically controlled focal-plane shutter; 30 seconds to 1/4000 second plus Bulb; flash sync 1/160 second
Burst detail
Burst detail	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.	Normal continuous: up to 5 fps with optical viewfinder or 3 fps in live view. Speed Priority: up to 7 fps with focus and exposure locked at the first frame. Maker buffer: approximately 44 Fine JPEG, 22 RAW or 20 RAW+JPEG frames, depending on conditions and media.
Stabilisation detail
Stabilisation detail	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.	SteadyShot INSIDE sensor shift; Sony claims approximately 2.5–4 stops, depending on lens and conditions.
Flash
Flash	–	Automatic pop-up flash; guide number 12 m at ISO 100; ADI and pre-flash TTL; proprietary Alpha flash shoe
Exposure controls
Exposure controls	–	Program, aperture priority, shutter priority, manual and scene modes; 40-segment optical-finder metering, 1,200-zone Quick AF Live View metering. Auto HDR combines three exposures; 2D/3D Sweep Panorama and handheld twilight modes.
Video
Highest video resolution
Highest video resolution	3840 × 2160 at 120 fps	1920 × 1080 at 25 fps
Video detail
Video detail	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.	PAL: AVCHD 1920 × 1080, 50i recording from 25 fps sensor output at approximately 17 Mbps; MP4 1440 × 1080 or VGA at 25 fps. NTSC versions use 59.94i recording from 29.97 fps output. No continuous autofocus during recording (Photography Blog).
Audio
Audio	–	Built-in stereo microphone, external stereo microphone input and mono playback speaker
Screen and viewfinder
Viewfinder
Viewfinder	Electronic	Optical
Screen size
Screen size	3.2″	3″
Screen dots
Screen dots	2,095,104	921,600
Touchscreen
Touchscreen	Yes	No
Tilting screen
Tilting screen	Yes	Yes
Display detail
Display detail	Four-axis LCD tilts and opens sideways; approximately 98° up, 40° down, 180° sideways and 270° rotation.	Xtra Fine LCD tilts 90° up and down. Dedicated-sensor Quick AF Live View covers 90%; main-sensor Focus Check Live View covers 100%, with 7×/14× magnification, grid lines and level gauge.
Viewfinder detail
Viewfinder detail	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.	Pentamirror; approximately 95% coverage and 0.80× magnification with a 50 mm lens at infinity, −1 m⁻¹.
Connections and design
Wi-Fi
Wi-Fi	Yes	–
Bluetooth
Bluetooth	Yes	–
Battery life (maker's claim)
Battery life (maker's claim)	530 photographs	1050 photographs
Body weight
Body weight	617 g	599 g (better)
Release detail
Release detail	Sony UK announced availability in January 2024; Japan's announcement specifies 26 January. The main date retains UK month precision.	Sony UK and Hong Kong specify availability from October 2010, following the August announcement; no first-sale day is given.
Recording media
Recording media	Both slots accept CFexpress Type A or UHS-I/UHS-II SD.	SD, SDHC, SDXC, Memory Stick PRO Duo and PRO-HG Duo; manual card selector
Ports
Ports	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.	USB 2.0 Hi-Speed, mini HDMI Type C, remote release terminal, stereo microphone input and Alpha accessory shoe
Wireless connections
Wireless connections	Wi-Fi IEEE 802.11a/b/g/n/ac at 2.4/5 GHz and Bluetooth 5.0.	–
Battery life detail
Battery life detail	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.	NP-FM500H; approximately 1,050 shots using optical viewfinder or 560 in live view, under CIPA conditions.
Charging
Charging	–	Supplied BC-VM10 battery charger; optional AC-VQ900AM adapter/charger or AC-PW10AM adapter
Dimensions
Dimensions	Approximately 136.1 × 96.9 × 82.9 mm (width × height × maximum depth); grip-to-monitor depth 72.8 mm.	Approximately 137 × 104 × 84 mm (width × height × depth), excluding projections.
Weight detail
Weight detail	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.	Approximately 599 g body only; 679 g including battery and Memory Stick PRO Duo.
Colours
Colours	–	Black
In the box
In the box	NP-FZ100 battery, BC-QZ1 charger, power cord, cable protector, shoulder strap, body cap, accessory shoe cap and eyepiece cup, according to Sony UK.	–