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Sony Alpha 7 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 7 IISonyAlpha 9 III
Overview
ReleasedDecember 2014January 2024
Image and sensor
Camera typeMirrorlessMirrorless
Sensor formatFull frameFull frame
Sensor typeExmor CMOSStacked Exmor RS CMOS with global shutter
Sensor dimensions35.8 × 23.9 mm35.6 × 23.8 mm
Effective resolution24.3 MP24.6 MP
Largest image6000 × 40006000 × 4000
RAW recordingYesYes
Standard ISO range100–25600250–25600
Sensor detailApproximately 24.7 million total pixels; 3:2 sensor.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; the current maker specification includes uncompressed RAW.JPEG, HEIF and Sony ARW 5.0 RAW.
ISO detailStandard still-image ISO 100–25600; expanded ISO 50, 64 and 80. Multi Shot NR reaches ISO 51200 by combining images rather than extending the standard single-image range.Standard ISO 250–25600 for stills and movies; stills expand to ISO 125–51200.
Image processorBIONZ X.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 117 phase-detection points in full-frame mode and 25 contrast-detection points; single AF, continuous AF, direct manual focus and manual focus.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; electronic first curtain can be enabled or disabled.–
Burst detailUp to approximately 5 fps in Continuous Hi with AF/AE tracking, according to Sony's announcement; approximately 2.5 fps in Continuous Lo. Speed varies with shooting conditions and the memory card.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 image-sensor shift; Sony claims 4.5 stops under CIPA conditions for pitch/yaw with Sonnar T* FE 55mm F1.8 ZA and long-exposure noise reduction off. Correction depends on the lens.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 resolution1920 × 1080 at 60 fps3840 × 2160 at 120 fps
Video detailJapanese specification lists XAVC S Full HD 60p, 30p and 24p at approximately 50 Mbps. The headline maximum reflects this NTSC/Japanese mode; no 4K movie recording. S-Log2 picture profiles and clean HDMI output are supported.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.
AudioBuilt-in stereo microphone; 3.5 mm microphone and headphone sockets.–
Screen and viewfinder
ViewfinderElectronicElectronic
Screen size3″3.2″
Screen dots1,228,8002,095,104
Touchscreen–Yes
Tilting screenYesYes
Display detailTFT screen tilts approximately 107° up and 41° down; dots count colour subpixels.Four-axis LCD tilts and opens sideways; approximately 98° up, 40° down, 180° sideways and 270° rotation.
Viewfinder detail0.5-inch XGA OLED Tru-Finder; 2,359,296 dots; 100% coverage and approximately 0.71× 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)350 photographs530 photographs
Body weight556 g617 g
Release detailSony Japan specifies 5 December 2014 for the ILCE-7M2 body, following its 20 November announcement; 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 mediaSD, SDHC and SDXC including UHS-I; Memory Stick PRO Duo, PRO-HG Duo and XC-HG Duo.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; Sony's UK specification gives up to approximately 350 photographs.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 × 59.7 mm (width × height × depth), according to Sony's launch specification.Approximately 136.1 × 96.9 × 82.9 mm (width × height × maximum depth); grip-to-monitor depth 72.8 mm.
Weight detailApproximately 556 g body only; 599 g with battery and Memory Stick PRO Duo; 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.
MaterialsMagnesium-alloy top and front covers and internal structure; dust- and moisture-resistant design, not a waterproof rating.–
In the boxPower cord, NP-FW50 battery, AC adaptor, shoulder strap, body cap, accessory shoe cap, eyepiece cup and Micro USB cable, according to Sony UK.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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