Sony a9 vs Sony a9 II

Key Differences

  • Sony a9 II has a better low light af (-4 EV vs -3 EV).
  • Sony a9 has a better battery life (evf) (650 shots vs 500 shots).
  • Sony a9 has a better battery life (lcd) (840 shots vs 690 shots).
  • Sony a9 has a better weight (673g (1.48 lb) vs 678g (1.49 lb)).
Product
Sony a9
Sony
$4,499
Sony a9 II
Sony
$4,499
Imaging
Sensor TypeStacked CMOSBSI Stacked CMOS
Sensor SizeFull-FrameFull-Frame
Effective Resolution24.2 MP24.2 MP
Max Image Size4K4K
Lens MountSony ESony E
Exposure Control
ISO Range (Native)50 โ€“ 51200100 โ€“ 51200
ISO Range (Extended)25 โ€“ 20480050 โ€“ 204800
Mechanical Shutter1/80001/8000
Electronic Shutter1/320001/32000
Flash Sync Speed1/2501/250
Still Image Capture
Continuous Shooting20 fps20 fps
Buffer (RAW)239 shots239 shots
Video Capture
Max Resolution4K4K
8K Recordingโˆ’โˆ’
4K RecordingUp to 30pUp to 30p
1080p RecordingUp to 120pUp to 120p
10-bit InternalYesYes
Recording Limit29 min29 min
Log ProfilesS-Log3 / HLGS-Log3 / HLG / S-Cinetone
Built-in MicStereoStereo
Headphone JackYesYes
Mic InputYesYes
HDMI OutputMicro (Type D)Full-size (Type A)
Focus
Phase Detect Points693693
Contrast Detect Points425425
Low Light AF-3 EV-4 EV
Eye AFYesYes
Animal AFYesYes
Vehicle AFNoNo
Viewfinder
EVF TypeOLEDOLED
EVF Resolution3.69M dots3.69M dots
EVF Magnification0.78x0.78x
Monitor
LCD Size3"3"
LCD Resolution1.44M dots1.44M dots
LCD TypeTiltingTilting
Touch ScreenYesYes
Interface
Wi-FiWi-Fi 5Wi-Fi 5
Bluetoothv4.2v4.2
USBUSB-C 3.1 Gen 1USB-C 3.2
GPSNoNo
General
Price (MSRP)$4,499$4,499
Body MaterialMagnesium AlloyMagnesium Alloy
Dimensions126.9ร—95.6ร—63.0 mm128.9ร—96.4ร—77.5 mm
Weight673g (1.48 lb)678g (1.49 lb)
Weather SealedNoYes
In-Body StabilizationYesYes
Battery Life (EVF)650 shots500 shots
Battery Life (LCD)840 shots690 shots
Battery TypeNP-FZ100NP-FZ100