Sony Alpha 9 III vs Sony Alpha SLT-A37

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Alpha 9 III compared with Alpha SLT-A37

	SonyAlpha 9 III	SonyAlpha SLT-A37
Overview
Released
Released	January 2024	May 2012
Image and sensor
Camera type
Camera type	Mirrorless	Translucent mirror
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	16.1 MP
Largest image
Largest image	6000 × 4000	4912 × 3264
RAW recording
RAW recording	Yes	Yes
Standard ISO range
Standard ISO range	250–25600	100–16000
Sensor detail
Sensor detail	Approximately 25.2 million total pixels; integral memory and global exposure rather than sequential line exposure.	16.5 million total photosites; fixed translucent mirror feeds the dedicated phase-detection AF module while the main sensor supplies live view
Image formats
Image formats	JPEG, HEIF and Sony ARW 5.0 RAW.	JPEG, RAW (Sony ARW 2.3), RAW+JPEG and 3D panorama MPO; 3:2 or 16:9 stills
ISO detail
ISO detail	Standard ISO 250–25600 for stills and movies; stills expand to ISO 125–51200.	Auto ISO 100–3200; standard ISO 100–16000; multi-frame noise reduction extends to ISO 25600; movies ISO 100–3200
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	5.5 fps
Lens detail
Lens detail	–	Sony, Minolta and Konica Minolta A-mount AF lenses; kit lenses are separate from body specifications
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.	15 phase-detection points including three cross sensors; AF-S, AF-A, AF-C and manual focus; EV −1–18 at ISO 100 with an F2.8 lens; zone/local selection, tracking AF and flash AF assist
Shutter
Shutter	–	1/4000–30 seconds and Bulb; flash sync 1/160 second; electronic first curtain selectable
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.	Full-resolution continuous shooting up to 5.5 fps Hi or 2.5 fps Lo; Tele-zoom Continuous Advance Priority AE reaches 7 fps with central crop to 8.4 MP JPEG. Maker ordinary Hi buffer: 15 Fine or 16 Standard JPEG, seven RAW or six RAW+JPEG; cropped mode 17 Fine or 18 Standard JPEG. Performance depends on card and shooting conditions
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 for stills, maker claim approximately 2.5–4 stops; electronic stabilisation for movies
Flash
Flash	–	Automatic pop-up flash, guide number 10 metres at ISO 100; ADI/pre-flash TTL; compatible external flash required for wireless and high-speed sync
Exposure controls
Exposure controls	–	PASM, Intelligent Auto, Superior Auto, scene and panorama modes; 1200-zone metering; ±3 EV compensation in 1/3 steps; D-Range Optimizer, Auto HDR, Picture Effects and Auto Portrait Framing
Video
Highest video resolution
Highest video resolution	3840 × 2160 at 120 fps	1920 × 1080 at 30 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.	Japan/NTSC configuration: Full HD AVCHD 2.0 at 60 interlaced fields per second with 30 fps sensor output, or 24p, at approximately 24 or 17 Mbps. PAL models use 50i with 25 fps sensor output or 25p. No 50p/60p Full HD. MP4 up to 1440 × 1080 at 30 fps; main rate is sensor output, not interlaced field rate. Maker continuous limit approximately 29 minutes or 2 GB. Movie A/S/M exposure requires manual focus; phase-detection AF uses automatic exposure
Audio
Audio	–	Built-in stereo microphone and mono playback speaker; external microphone input
Screen and viewfinder
Viewfinder
Viewfinder	Electronic	Electronic
Screen size
Screen size	3.2″	2.7″
Screen dots
Screen dots	2,095,104	230,400
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.	Clear Photo LCD tilts approximately 135° upwards or 55° downwards; dots count colour subpixels; focus peaking and magnification
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.	0.46-type SVGA Tru-Finder, 100% coverage; 1,440,000 effective dots at maximum magnification (1.19× with 50 mm lens), or 1,253,280 at standard magnification (1.09×)
Connections and design
Wi-Fi
Wi-Fi	Yes	–
Bluetooth
Bluetooth	Yes	–
Battery life (maker's claim)
Battery life (maker's claim)	530 photographs	450 photographs
Body weight
Body weight	617 g	448 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 Spain states availability from mid-May 2012; Sony Japan states 15 June 2012. May follows the earliest maker-stated regional retail timing
Recording media
Recording media	Both slots accept CFexpress Type A or UHS-I/UHS-II SD.	Single slot accepting SD/SDHC/SDXC, Memory Stick PRO Duo and PRO-HG Duo
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, 3.5 mm microphone and wired remote inputs; Auto-lock accessory shoe; no infrared remote
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-FW50; maker CIPA claim approximately 450 photographs with viewfinder or 500 with LCD
Charging
Charging	–	Supplied BC-VW1 external charger; no in-body charging
Dimensions
Dimensions	Approximately 136.1 × 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), excluding protrusions
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 448 g body only, 506 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.	NP-FW50 battery, BC-VW1 charger, shoulder strap, body cap, eyepiece cup, USB cable and software CD; lenses depend on kit