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Sony Alpha 1 vs Sony Alpha 1 II

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

Better figure, where one is clearly better

SonyAlpha 1SonyAlpha 1 II
Overview
ReleasedMarch 2021December 2024
Image and sensor
Camera typeMirrorlessMirrorless
Sensor formatFull frameFull frame
Sensor typeStacked Exmor RS CMOS with integral memoryStacked Exmor RS CMOS with integral memory
Sensor dimensions35.9 × 24 mm35.9 × 24 mm
Effective resolution50.1 MP50.1 MP
Largest image8640 × 57608640 × 5760
RAW recordingYesYes
Standard ISO range100–32000100–32000
Sensor detailApproximately 50.5 million total pixels. Pixel Shift Multi Shooting combines four or 16 frames using Imaging Edge; 16-frame output is 17280 × 11520 and requires a suitable static scene.Approximately 50.5 million total pixels; Pixel Shift Multi Shooting uses four or 16 exposures combined in compatible computer software.
Image formatsJPEG, HEIF and Sony ARW 4.0 RAW; compressed, lossless-compressed and uncompressed RAW.JPEG, HEIF and Sony ARW 5.0 RAW.
ISO detailStandard still and movie ISO 100–32000; stills expand to ISO 50–102400.Standard ISO 100–32000 for stills and movies; stills expand to ISO 50–102400.
Image processorBIONZ XR.BIONZ XR and dedicated AI processing unit.
Lens and shooting
Lens mountSony E-mountSony E-mount
StabilisationSensor shiftSensor shift
Maximum continuous burst30 fps30 fps
Autofocus759 full-frame phase-detection points covering approximately 92% of the image area, plus 425 contrast points; sensitivity EV −4 to 20 with an F2 lens at ISO 100. Launch recognition includes human, animal and bird Eye AF.Up 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.
Burst detailUp to 30 fps electronic Hi+ with compressed RAW/JPEG and AF/AE tracking under compatible-lens and maker conditions; in AF-C, shutter speed must be 1/250 second or faster. Uncompressed or lossless-compressed RAW tops out at 20 fps; mechanical bursts up to 10 fps. Launch buffer claim at 30 fps is 155 compressed RAW or 165 JPEG frames using CFexpress Type A under Sony test conditions.Up 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.
Stabilisation detailFive-axis sensor shift; 5.5-stop CIPA pitch/yaw claim with Planar T* FE 50mm F1.4 ZA and long-exposure noise reduction off. Active movie stabilisation supported.Five-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.
Video
Highest video resolution7680 × 4320 at 30 fps7680 × 4320 at 30 fps
Video detailInternal 7680 × 4320 30p 10-bit 4:2:0 XAVC HS with 8.6K oversampling; lower-resolution 4K up to 120p with approximately 10% crop and 10-bit 4:2:2 support. S-Log3 and S-Cinetone; Super 35mm 4K uses 5.8K oversampling. External HDMI RAW is separate from internal recording.Sony'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.
Screen and viewfinder
ViewfinderElectronicElectronic
Screen size3″3.2″
Screen dots1,440,0002,095,104
TouchscreenYesYes
Tilting screenYesYes
Display detailRear TFT LCD tilts approximately 107° upwards and 41° downwards.Four-axis TFT LCD opens approximately 98° up, 40° down and 180° sideways, with 270° rotation when opened sideways.
Viewfinder detail0.64-inch Quad-XGA OLED with 9437184 dots, 100% coverage and approximately 0.90× magnification with a 50 mm lens at infinity. Up to 240 fps display reduces resolution and field of view.0.64-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.
Connections and design
Wi-FiYesYes
BluetoothYesYes
Battery life (maker's claim)530 photographs520 photographs
Body weight652 g658 g
Release detailSony's UK press centre specifies European availability in March 2021; no day inferred. Exact technical figures use Sony Japan because both UK specification URL forms were inaccessible during research.Sony 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.
Recording mediaBoth slots accept CFexpress Type A or UHS-I/UHS-II SD.Both slots accept CFexpress 2.0 Type A or UHS-I/UHS-II SD.
PortsUSB 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.USB 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.
Wireless connectionsWi-Fi IEEE 802.11a/b/g/n/ac at 2.4/5 GHz, Bluetooth 5.0 and NFC.Wi-Fi IEEE 802.11a/b/g/n/ac at 2.4/5 GHz and Bluetooth 5.0.
Battery life detailNP-FZ100; CIPA approximately 530 photographs with LCD or 430 with viewfinder; USB Type-C Power Delivery charging and power supported.NP-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.
DimensionsApproximately 128.9 × 96.9 × 80.8 mm (width × height × maximum depth); grip-to-monitor depth 69.7 mm.Approximately 136.1 × 96.9 × 82.9 mm (width × height × maximum depth); grip-to-monitor depth 72.8 mm.
Weight detailApproximately 652 g body only or 737 g with battery and memory card, excluding lens.Approximately 658 g body only or 743 g with battery and memory card, excluding lens. PhotographyBlog's inconsistent 617 g figure is not used.
In the boxNP-FZ100 battery, BC-QZ1 charger, power cord, cable protector, shoulder strap, body cap, accessory shoe cap, eyepiece cup and USB-A to USB-C cable, according to Sony Japan.One 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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