Sony a1 II vs Sony FX3

Key Differences

  • Sony a1 II has a better effective resolution (50.1 MP vs 12.1 MP).
  • Sony FX3 has a better price (msrp) ($3,899 vs $6,499).
  • Sony FX3 has a better low light af (-6 EV vs -4 EV).
  • Sony a1 II has a better lcd resolution (2.10M dots vs 1.44M dots).
  • Sony FX3 has a better battery life (lcd) (600 shots vs 420 shots).
Product
Sony a1 II
Sony
$6,499
Sony FX3
Sony
$3,899
Imaging
Sensor TypeBSI Stacked CMOSBSI CMOS
Sensor SizeFull-FrameFull-Frame
Effective Resolution50.1 MP12.1 MP
Max Image Size8K4K
Lens MountSony ESony E
Exposure Control
ISO Range (Native)100 โ€“ 3200080 โ€“ 102400
ISO Range (Extended)50 โ€“ 10240040 โ€“ 409600
Mechanical Shutter1/8000โˆ’
Electronic Shutter1/320001/8000
Flash Sync Speed1/4001/250
Still Image Capture
Continuous Shooting30 fpsโˆ’
Buffer (RAW)400 shotsโˆ’
Video Capture
Max Resolution8K4K
8K RecordingUp to 30pโˆ’
4K RecordingUp to 120pUp to 120p
1080p RecordingUp to 240pUp to 240p
10-bit InternalYesYes
Recording LimitNo limitNo limit
Log ProfilesS-Log3 / HLG / S-CinetoneS-Log3 / HLG / S-Cinetone
Built-in MicStereoStereo (XLR via top handle)
Headphone JackYesYes
Mic InputYesYes
HDMI OutputFull-size (Type A)Full-size (Type A)
Focus
Phase Detect Points759759
Contrast Detect Pointsโˆ’โˆ’
Low Light AF-4 EV-6 EV
Eye AFYesYes
Animal AFYesYes
Vehicle AFYesNo
Viewfinder
EVF TypeOLEDโˆ’
EVF Resolution9.44M dotsโˆ’
EVF Magnification0.9xโˆ’
Monitor
LCD Size3.2"3"
LCD Resolution2.10M dots1.44M dots
LCD Type4-Axis TiltingVari-Angle
Touch ScreenYesYes
Interface
Wi-FiWi-Fi 6Wi-Fi 5
Bluetoothv5.3v5
USBUSB-C 3.2 Gen 2USB-C 3.2
GPSNoNo
General
Price (MSRP)$6,499$3,899
Body MaterialMagnesium AlloyMagnesium Alloy
Dimensions136.1ร—96.9ร—82.9 mm129.7ร—77.8ร—84.5 mm
Weight743g (1.64 lb)715g (1.58 lb)
Weather SealedYesYes
In-Body StabilizationYesYes
Battery Life (EVF)520 shotsโˆ’
Battery Life (LCD)420 shots600 shots
Battery TypeNP-FZ100NP-FZ100