Sony Alpha 1 II vs Sony Alpha DSLR-A390

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

Better figure, where one is clearly better

Alpha 1 II compared with Alpha DSLR-A390
SonyAlpha 1 IISonyAlpha DSLR-A390
Overview
ReleasedDecember 2024July 2010
Image and sensor
Camera typeMirrorlessDSLR
Sensor formatFull frameAPS-C
Sensor typeStacked Exmor RS CMOS with integral memoryCCD
Sensor dimensions35.9 × 24 mm23.5 × 15.7 mm
Effective resolution50.1 MP14.2 MP
Largest image8640 × 57604592 × 3056
RAW recordingYesYes
Standard ISO range100–32000100–3200
Sensor detailApproximately 50.5 million total pixels; Pixel Shift Multi Shooting uses four or 16 exposures combined in compatible computer software.Approximately 14.9 million total pixels; RGB primary-colour filter; anti-static coating and image-sensor-shift dust reduction
Image formatsJPEG, HEIF and Sony ARW 5.0 RAW.JPEG, RAW and RAW+JPEG; Sony ARW 2.1; 3:2 and 16:9; sRGB and Adobe RGB
ISO detailStandard ISO 100–32000 for stills and movies; stills expand to ISO 50–102400.–
Image processorBIONZ XR and dedicated AI processing unit.BIONZ (Sony launch announcement)
Lens and shooting
Lens mountSony E-mountSony A-mount
StabilisationSensor shiftSensor shift
Maximum continuous burst30 fps2.5 fps
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.Nine-point TTL phase detection with central cross sensor; EV 0–18 at ISO 100; single, automatic and continuous AF plus manual focus; Eye-start AF and flash AF illumination
Shutter–Electronically controlled focal-plane shutter; 30 seconds to 1/4000 second 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.Maximum approximately 2.5 fps at full resolution using the optical viewfinder or approximately 2 fps in Quick AF Live View; maker specifies Fine JPEG until card fills, six RAW or three RAW+JPEG frames, depending on 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.SteadyShot INSIDE sensor shift; approximately 2.5–3.5 shutter-speed steps depending on lens and shooting conditions
Flash–Pop-up flash, guide number 10 m at ISO 100; ADI and pre-flash TTL; Sony Alpha accessory shoe; wireless flash with compatible optional external flash
Exposure controls–P/A/S/M and scene modes; 40-segment honeycomb SPC metering; ±2 EV in 0.3 EV steps; three-frame exposure bracketing at 0.3 or 0.7 EV; Dynamic Range Optimizer Off, Standard and Advanced
Video
Highest video resolution7680 × 4320 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.No movie recording (PhotographyBlog and TechRadar); HDMI is for still-image playback
Screen and viewfinder
ViewfinderElectronicOptical
Screen size3.2″2.7″
Screen dots2,095,104230,400
TouchscreenYes–
Tilting screenYesYes
Display detailFour-axis TFT LCD opens approximately 98° up, 40° down and 180° sideways, with 270° rotation when opened sideways.Clear Photo LCD, tilting up approximately 135° and down 55°; dots count colour subpixels; separate live-view sensor with approximately 90% frame coverage and 1.4×/2× cropped Smart Teleconverter
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.Pentamirror optical viewfinder; approximately 95% coverage and 0.74× magnification with a 50 mm lens at infinity
Connections and design
Wi-FiYes–
BluetoothYes–
Battery life (maker's claim)520 photographs500 photographs
Body weight658 g497 g (better)
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 Spain's original announcement specifies availability in the first half of July 2010; month precision retained. Sony Europe's parallel announcement states summer 2010; DPReview also reports July shipping
Recording mediaBoth slots accept CFexpress 2.0 Type A or UHS-I/UHS-II SD.Separate Memory Stick PRO Duo/PRO-HG Duo/PRO-HG Duo HX and SD/SDHC card slots
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 and mini HDMI Type C; supports BRAVIA Sync and PhotoTV HD; optional infrared remote, without wired remote-release terminal
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-FH50; approximately 500 photographs using the optical viewfinder or 230 in live view under maker CIPA conditions
DimensionsApproximately 136.1 × 96.9 × 82.9 mm (width × height × maximum depth); grip-to-monitor depth 72.8 mm.Approximately 128.1 × 97.1 × 83.5 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 497 g without battery, memory card or accessories; approximately 549 g including battery and Memory Stick PRO Duo
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.–

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