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Sony Alpha 1 II vs Sony Alpha SLT-A33

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

Better figure, where one is clearly better

SonyAlpha 1 IISonyAlpha SLT-A33
Overview
ReleasedDecember 2024September 2010
Image and sensor
Camera typeMirrorlessTranslucent mirror
Sensor formatFull frameAPS-C
Sensor typeStacked Exmor RS CMOS with integral memoryExmor APS HD CMOS
Sensor dimensions35.9 × 24 mm23.4 × 15.6 mm
Effective resolution50.1 MP14.2 MP
Largest image8640 × 57604592 × 3056
RAW recordingYesYes
Standard ISO range100–32000100–12800
Sensor detailApproximately 50.5 million total pixels; Pixel Shift Multi Shooting uses four or 16 exposures combined in compatible computer software.14.6 million total photosites; fixed translucent mirror directs light to a separate phase-detection AF sensor while the main sensor supplies live view
Image formatsJPEG, HEIF and Sony ARW 5.0 RAW.JPEG, RAW (Sony ARW 2.2) and RAW+JPEG; 3:2 or 16:9 stills; Sweep Panorama and 3D MPO panorama recording
ISO detailStandard ISO 100–32000 for stills and movies; stills expand to ISO 50–102400.Auto ISO 100–1600; multi-frame noise reduction extends sensitivity to ISO 25600; movie Auto ISO 100–1600
Image processorBIONZ XR and dedicated AI processing unit.BIONZ
Lens and shooting
Lens mountSony E-mountSony A-mount
StabilisationSensor shiftSensor shift
Maximum continuous burst30 fps7 fps
Lens detail–Compatible Sony, Minolta and Konica Minolta A-mount AF lenses; kit lenses are separate from body specifications
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.15-point phase-detection AF with three cross sensors; EV −1–18 at ISO 100; single-shot, automatic and continuous AF, manual focus and Eye-Start AF
Shutter–1/4000–30 seconds and Bulb; flash sync 1/160 second
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 7 fps in Continuous Advance Priority AE, with focus and exposure adjusted during AF-C according to the maker manual; AF-S fixes focus to the first frame. Ordinary continuous drive reaches 6 fps; its maker buffer figures are 16 Fine JPEG, 20 Standard JPEG, seven RAW or seven RAW+JPEG frames. PhotographyBlog's exposure-lock description conflicts with the manual.
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.SteadyShot INSIDE sensor-shift system; maker claim approximately 2.5–4 stops depending on lens and conditions
Flash–Automatic pop-up flash, guide number 10 in metres at ISO 100; ADI and pre-flash TTL control; compatible external flash required for wireless flash and high-speed sync
Exposure controls–PASM, Auto, Auto+, scene, panorama and Continuous Advance Priority AE modes; 1200-zone main-sensor metering; ±2 EV compensation in 1/3 steps; D-Range Optimizer and three-frame Auto HDR
Video
Highest video resolution7680 × 4320 at 30 fps1920 × 1080 at 29.97 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.Japan/NTSC specification is 1920 × 1080 AVCHD at 59.94 interlaced fields/s from 29.97 sensor frames/s, approximately 17 Mbps; PAL bodies use 50i from 25 frames/s. MP4 supports 1440 × 1080 and VGA. At 20°C Sony claims approximately 11 minutes of continuous recording with SteadyShot enabled or 29 minutes disabled; higher temperatures shorten this further.
Audio–Built-in stereo microphone, mono playback speaker and external microphone input
Screen and viewfinder
ViewfinderElectronicElectronic
Screen size3.2″3″
Screen dots2,095,104921,600
TouchscreenYes–
Tilting screenYesYes
Display detailFour-axis TFT LCD opens approximately 98° up, 40° down and 180° sideways, with 270° rotation when opened sideways.Xtra Fine TruBlack LCD; 180° tilt and 270° rotation on a bottom hinge; dots count colour subpixels
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.Electronic finder with approximately 100% coverage, 1.10× magnification with a 50 mm lens, and 1,152,000 effective equivalent dots out of 1,440,000 total; electronic level and grid display
Connections and design
Wi-FiYes–
BluetoothYes–
Battery life (maker's claim)520 photographs270 photographs
Body weight658 g433 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's US announcement specifies September 2010 retail availability; Sony Japan specifies 10 September 2010. The month is the earliest maker-stated precision found across regions.
Recording mediaBoth slots accept CFexpress 2.0 Type A or UHS-I/UHS-II SD.Single slot accepting SD, SDHC, SDXC, Memory Stick PRO Duo and PRO-HG Duo
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.USB 2.0 Hi-Speed, mini HDMI Type C, external microphone input and wired remote terminal; optional infrared remote and AC adaptor
Wireless connectionsWi-Fi IEEE 802.11a/b/g/n/ac at 2.4/5 GHz and Bluetooth 5.0.–
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-FW50; CIPA maker claim approximately 270 photographs using the viewfinder or 340 using the LCD
Charging–Supplied BC-VW1 external battery charger
DimensionsApproximately 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)
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 433 g body only; 492 g including battery and Memory Stick PRO Duo
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-FW50 battery, BC-VW1 charger, USB cable, shoulder strap, caps and software CD; kit lenses depend on configuration

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