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Sony Alpha 7C II vs Sony Alpha 9

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

Better figure, where one is clearly better

SonyAlpha 7C IISonyAlpha 9
Overview
ReleasedSeptember 2023May 2017
Image and sensor
Camera typeMirrorlessMirrorless
Sensor formatFull frameFull frame
Sensor typeBack-illuminated Exmor R CMOSBack-illuminated stacked Exmor RS CMOS
Sensor dimensions35.9 × 23.9 mm35.6 × 23.8 mm
Effective resolution33 MP24.2 MP
Largest image7008 × 46726000 × 4000
RAW recordingYesYes
Standard ISO range100–51200100–51200
Sensor detailApproximately 34.1 million total pixels; optical low-pass filter; maker maximum movie effective resolution 27.6 MPApproximately 28.3 million total pixels; stacked sensor with integral memory and backside illumination.
Image formatsJPEG, HEIF and RAW (Sony ARW 5.0); 14-bit RAW output; compressed, lossless-compressed and uncompressed RAW options; XAVC S, XAVC S-I and XAVC HS moviesJPEG, RAW and RAW+JPEG; Sony ARW 2.3 compressed or uncompressed RAW.
ISO detailStandard still-image and movie ISO 100–51200; still-image extension ISO 50–204800; movie extension reaches ISO 102400. Photography Blog lists a lower extended maximum; Sony’s explicit specification is used.Mechanical-shutter stills use standard ISO 100–51200, expandable to 50–204800. Electronic-shutter stills use ISO 100–25600 with expanded ISO 50. Movie ISO 100–51200, expandable to 102400.
Image processorBIONZ XR and dedicated AI processing unitBIONZ X with front-end LSI.
Lens and shooting
Lens mountSony E-mountSony E-mount
StabilisationSensor shiftSensor shift
Maximum continuous burst10 fps20 fps
Lens detailInterchangeable E-mount; body-only and FE 28–60 mm f/4–5.6 kit offered; the photo shows both body colours with this optional kit lens–
AutofocusFast Hybrid AF; up to 759 phase-detection points for stills or 627 for movies; EV -4 to 20 at ISO 100 with an f/2 lens; current maker subjects include automatic selection, humans, animals, birds, insects, cars, trains and aircraftCurrent Sony specification lists 693 full-frame phase-detection points and 425 contrast-detection points; contrast points increased from 25 through firmware. Phase coverage approximately 93%; sensitivity EV −3 to 20 with an F2 lens at ISO 100. Current features include Real-time Tracking and Eye AF; launch reviews describe earlier firmware.
ShutterElectronic first-curtain mechanical shutter up to 1/4000 second; silent electronic shutter up to 1/8000 second; 30-second exposures and Bulb; flash sync 1/160 second full-frame or 1/200 second APS-C with Sony flash–
Burst detailUp to 10 fps Hi+; maker buffer approximately 44 compressed RAW, 27 lossless-compressed RAW or 18 uncompressed RAW images; over 1,000 Fine JPEGs. Amateur Photographer notes 10 fps requires compressed RAW and gives 8 fps live-view continuous or 6 fps with lossless-compressed RAW.Up to 20 fps electronic Hi with AF/AE tracking under Sony's supported-lens and exposure conditions; up to 12 fps with uncompressed RAW, or 5 fps mechanical. Maker buffer claim is 241 compressed RAW or 362 JPEG frames using a UHS-II card under its stated test conditions.
Stabilisation detailFive-axis sensor shift; maker claim 7 stops under CIPA pitch/yaw testing with the FE 50 mm f/1.2 GM lens and long-exposure noise reduction off; current maker movie modes include Dynamic Active and Active electronic correctionFive-axis sensor shift; Sony claims 5.0 stops under CIPA pitch/yaw conditions with Planar T* FE 50mm F1.4 ZA and long-exposure noise reduction off.
FlashNo built-in flash; Multi Interface Shoe supports compatible external flash–
Exposure controls1200-zone evaluative metering; exposure compensation ±5 EV–
Video
Highest video resolution3840 × 2160 at 60 fps3840 × 2160 at 30 fps
Video detailInternal 3840 × 2160 up to 60p NTSC or 50p PAL, with 10-bit 4:2:2 options; 60p/50p requires Super 35 crop. Full-frame 30p is oversampled from approximately 7K; Full HD up to 120p NTSC or 100p PAL. XAVC S-I 4K reaches 600 Mbps at 60p. S-Log3, S-Cinetone, user LUT display and AI Auto Framing; HDMI output supports 10-bit 4:2:2, without RAW video output.XAVC S 3840 × 2160 at 30p/24p in NTSC mode or 25p PAL, up to 100 Mbps; Full HD 120p NTSC or 100p PAL is lower resolution. HDMI supports 8-bit 4:2:2 output. No video picture profiles or S-Log.
AudioBuilt-in stereo microphone; 3.5 mm microphone and headphone sockets; digital-audio Multi Interface Shoe; compatible accessories support four-channel 24-bit LPCMBuilt-in stereo microphone; 3.5 mm stereo microphone and headphone sockets; compatible Multi Interface Shoe audio accessories.
Screen and viewfinder
ViewfinderElectronicElectronic
Screen size3″3″
Screen dots1,036,8001,440,000
TouchscreenYesYes
Tilting screenYesYes
Display detailSide-opening vari-angle touchscreen; opens approximately 176° and rotates approximately 270°; touch menu operationRear TFT LCD tilts approximately 107° upwards and 41° downwards.
Viewfinder detail0.39-type XGA OLED; 2,359,296 dots; approximately 0.70× magnification with a 50 mm lens at infinity; 60 or 120 fps refresh0.5-inch Quad-VGA OLED, 3686400 dots, 100% coverage and approximately 0.78× magnification with a 50 mm lens at infinity; selectable 60/120 fps display.
Connections and design
Wi-FiYesYes
BluetoothYesYes
Battery life (maker's claim)560 photographs650 photographs
Body weight429 g588 g
Release detailSony Australia specifies retail availability from September 2023. Photography Blog reports the original Alpha 7C remained in the range alongside the II. Current maker specifications include later-supported subject recognition and movie-stabilisation features.Sony Japan lists 26 May 2017 for ILCE-9; this is the Japanese first-sale date, not a UK release claim.
Recording mediaOne SD slot supporting UHS-I and UHS-II; no CFexpress supportSlot 1 accepts UHS-I/UHS-II SD; slot 2 accepts UHS-I SD or Memory Stick Duo. Simultaneous and separate-format recording supported.
PortsUSB-C (USB 3.2 at 5 Gbps), Micro HDMI Type D, 3.5 mm microphone and headphone sockets and digital-audio Multi Interface ShoeMulti/Micro USB, Micro HDMI Type D, wired LAN, sync terminal, 3.5 mm microphone and headphone sockets and Multi Interface Shoe.
Wireless connectionsWi-Fi 802.11a/b/g/n/ac at 2.4 and 5 GHz; Bluetooth 4.2; no NFC; Creators’ App remote operation and image transferWi-Fi IEEE 802.11b/g/n at 2.4 GHz; Bluetooth 4.1 and NFC; smartphone location linkage supported.
Battery life detailNP-FZ100; current Sony CIPA claim approximately 560 photographs with LCD or 530 with viewfinder; actual movie claim approximately 105 minutes with LCD or 100 with viewfinder. Both launch-period reviews give lower 540/510-shot figures.NP-FZ100; CIPA approximately 650 photographs with LCD or 480 with viewfinder; USB charging and power supported.
ChargingUSB-C in-camera charging and power supply with USB Power Delivery; maker specifies an 18 W or higher USB PD source and 3 A cable–
DimensionsApproximately 124.0 × 71.1 × 63.4 mm; depth from grip to monitor 58.6 mmApproximately 126.9 × 95.6 × 73.7 mm (width × height × maximum depth); grip-to-monitor depth 63.0 mm.
Weight detailApproximately 429 g body only; 514 g with battery and memory card; both exclude lens. Photography Blog gives 525 g labelled body only and Amateur Photographer gives 524 g; maker’s explicit figures are used.Sony Japan specifies approximately 588 g body only or 673 g with battery and memory card, excluding lens. The UK page labels 588 g as including battery/card, conflicting with the explicit Japanese split.
In the box–NP-FZ100 battery, BC-QZ1 charger, power cord, cable protector, AC-UUE12 AC adaptor, shoulder strap, body cap, accessory shoe cap, eyepiece cup and Micro USB cable, according to Sony UK.
MaterialsMaker specifies recycled materials including SORPLAS in the body, depending on production timing–
ColoursSilver/black or black–

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