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Sony Alpha 1 II vs Sony Alpha 99 II

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

Better figure, where one is clearly better

SonyAlpha 1 IISonyAlpha 99 II
Overview
ReleasedDecember 2024November 2016
Image and sensor
Camera typeMirrorlessTranslucent mirror
Sensor formatFull frameFull frame
Sensor typeStacked Exmor RS CMOS with integral memoryBack-illuminated Exmor R CMOS
Sensor dimensions35.9 × 24 mm35.9 × 24 mm
Effective resolution50.1 MP42.4 MP
Largest image8640 × 57607952 × 5304
RAW recordingYesYes
Standard ISO range100–32000100–25600
Sensor detailApproximately 50.5 million total pixels; Pixel Shift Multi Shooting uses four or 16 exposures combined in compatible computer software.43.6 million total photosites; back-illuminated full-frame sensor without an optical low-pass filter; translucent mirror directs light to the dedicated AF sensor
Image formatsJPEG, HEIF and Sony ARW 5.0 RAW.JPEG Extra Fine/Fine/Standard, compressed or uncompressed 14-bit RAW (Sony ARW 2.3) and RAW+JPEG; 3:2 or 16:9 stills; APS-C capture up to 5168 × 3448; Sweep Panorama
ISO detailStandard ISO 100–32000 for stills and movies; stills expand to ISO 50–102400.Standard still and movie ISO 100–25600; expanded still ISO 50–102400; Auto ISO 100–6400 with adjustable bounds
Image processorBIONZ XR and dedicated AI processing unit.BIONZ X with front-end LSI
Lens and shooting
Lens mountSony E-mountSony A-mount
StabilisationSensor shiftSensor shift
Maximum continuous burst30 fps12 fps
Lens detail–Sony, Minolta and Konica Minolta A-mount AF lenses; hybrid AF availability depends on lens compatibility
AutofocusUp to 759 phase-detection points for stills and movies; sensitivity EV −4 to 20 in AF-S with an F2 lens at ISO 100. Automatic or selected recognition of people, animals, birds, insects, cars, trains and aircraft. Sony's current feature page specifies Real-time Recognition AF+ from firmware version 4.00; launch reviews describe earlier firmware.79 dedicated phase-detection points including 15 cross sensors and a central F2.8 sensor, combined with 399 on-sensor phase-detection points (323 selectable) for 79 hybrid cross points. Central dedicated point sensitivity EV −4–18 at ISO 100 with F2.8 lens. AF-S/AF-A/AF-C, direct manual focus, Eye AF, Lock-on AF and AF micro-adjustment; on-sensor system unavailable for movies
Shutter–1/8000–30 seconds and Bulb; flash sync 1/250 second; selectable electronic first curtain; maker shutter durability claim more than 300,000 operations with electronic first curtain active
Burst detailUp to 30 fps electronic Hi+ with AF/AE tracking under compatible-lens and maker conditions; uncompressed or lossless-compressed RAW up to 20 fps; mechanical Hi+ up to 10 fps. Pre-Capture retains up to one second before full shutter press, subject to camera temperature and shooting conditions. A custom button can temporarily change burst speed.Up to 12 fps Hi+ at full resolution with AF/AE tracking; up to 8 fps Hi with continuous live view, 6 fps Mid or 4 fps Lo. In Hi+, focus locks on the first frame at F9 or smaller apertures with hybrid AF, or at F4 or smaller without hybrid AF. Maker Hi+ buffer: 60 Extra Fine/63 Fine/64 Standard JPEG, 54 compressed RAW or RAW+JPEG, 25 uncompressed RAW or 24 uncompressed RAW+JPEG. Anti-flicker shooting can reduce speed; rates depend on lens, card and conditions
Stabilisation detailFive-axis sensor shift; centre 8.5 stops and periphery 7.0 stops under CIPA 2024 pitch/yaw/roll conditions with FE 50mm F1.2 GM and long-exposure noise reduction off. Active and Dynamic Active movie modes narrow the field of view and are unavailable in 8K or at frame rates of 120 fps or higher.Five-axis sensor-shift SteadyShot INSIDE for stills and movies; maker CIPA claim 4.5 stops for pitch/yaw with SAL135F18Z and long-exposure noise reduction off
Flash–No built-in flash; ADI or pre-flash TTL with compatible external flash; Multi Interface Shoe and flash sync terminal
Exposure controls–PASM, automatic, panorama and three memory-recall settings; 1200-zone metering including highlight-weighted and whole-screen average modes; ±5 EV compensation; D-Range Optimizer, Auto HDR and anti-flicker shooting
Video
Highest video resolution7680 × 4320 at 30 fps3840 × 2160 at 30 fps
Video detailSony's current feature page lists internal 7680 × 4320 30p XAVC HS with 8.6K oversampling and 10-bit 4:2:2 support. Lower-resolution 4K up to 120p has approximately 10% crop; Full HD 240 fps is lower resolution. S-Log3, S-Cinetone and imported LUTs supported; external HDMI RAW is separate from internal recording.XAVC S 4K 3840 × 2160 at 30p/25p or 24p depending on region, at 100 or 60 Mbps. Super 35mm mode provides full pixel readout without binning. Full HD XAVC S up to 120p/100p at 100 or 60 Mbps. S&Q capture 1–120 fps with no sound. S-Log2/S-Log3, time code, gamma display assist, zebra and clean HDMI output. Maker continuous recording limit approximately 29 minutes; 100 Mbps requires UHS-I U3 SDHC/SDXC
Audio–Built-in stereo microphone, adjustable recording level, 3.5 mm microphone input and headphone output; mono playback speaker
Screen and viewfinder
ViewfinderElectronicElectronic
Screen size3.2″3″
Screen dots2,095,1041,228,800
TouchscreenYesNo
Tilting screenYesYes
Display detailFour-axis TFT LCD opens approximately 98° up, 40° down and 180° sideways, with 270° rotation when opened sideways.Three-way WhiteMagic LCD: approximately 134° upward/180° downward tilt and 180° clockwise/90° anticlockwise rotation; top status display; no touch input
Viewfinder detail0.64-inch Quad-XGA OLED with 9437184 dots and approximately 0.90× magnification with a 50 mm lens at infinity. Selectable 60/120/240 fps; standard magnification is unavailable at 240 fps.0.5-type XGA OLED Tru-Finder with 2,359,296 dots, 100% coverage and approximately 0.78× magnification; ZEISS T* and outer fluorine coatings
Connections and design
Wi-FiYesYes
BluetoothYesYes
Battery life (maker's claim)520 photographs390 photographs
Body weight658 g770 g
Release detailSony UK specifies availability in December 2024; no release day inferred. Exact technical figures use Sony Japan because the UK specification URLs were inaccessible during research.Sony Canada specifies North American shipment in November 2016
Recording mediaBoth slots accept CFexpress 2.0 Type A or UHS-I/UHS-II SD.Two SD/SDHC/SDXC UHS-I slots, one also accepting Memory Stick PRO Duo/PRO-HG Duo; simultaneous recording, RAW/JPEG separation and copying available
PortsUSB Type-C at 10 Gbps, Multi/Micro USB, full-size HDMI, 2.5GBASE-T Ethernet, sync terminal, 3.5 mm microphone and headphone sockets and digital-audio Multi Interface Shoe.Multi/Micro USB terminal, micro HDMI Type D, 3.5 mm microphone and headphone sockets, flash sync terminal, DC input, wired remote connection and Multi Interface Shoe
Wireless connectionsWi-Fi IEEE 802.11a/b/g/n/ac at 2.4/5 GHz and Bluetooth 5.0.IEEE 802.11b/g/n Wi-Fi at 2.4 GHz, NFC and Bluetooth 4.1; location data can be acquired from a compatible paired phone; no built-in GPS
Battery life detailNP-FZ100; Sony Japan CIPA approximately 520 photographs with LCD or 420 with viewfinder. PhotographyBlog's 530/400 figures are not used. USB Type-C Power Delivery charging and power supported.NP-FM500H; maker CIPA claim approximately 390 photographs with viewfinder or 490 with LCD
Charging–Supplied BC-VM10A external battery charger
DimensionsApproximately 136.1 × 96.9 × 82.9 mm (width × height × maximum depth); grip-to-monitor depth 72.8 mm.Approximately 142.6 × 104.2 × 76.1 mm (width × height × depth), excluding protrusions
Weight detailApproximately 658 g body only or 743 g with battery and memory card, excluding lens. PhotographyBlog's inconsistent 617 g figure is not used.Approximately 770 g body only or 849 g including battery and Memory Stick PRO Duo
Materials–Magnesium-alloy body with dust- and moisture-resistant measures; complete resistance is not guaranteed
Colours–Black
In the boxOne NP-FZ100 battery, BC-ZD1 dual-battery charger, cable protector, shoulder strap, body cap, accessory shoe cap and FDA-EP19/FDA-EP21 eyepiece cups, according to Sony Japan. USB Power Delivery AC adaptor and USB cable are not included.NP-FM500H battery, BC-VM10A charger, shoulder strap, Micro USB cable, body cap, eyepiece cup and shoe cap; lens depends on kit

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