Sony a7 IV vs Sony a7S

Key Differences

  • Sony a7 IV has a better buffer (raw) (828 shots vs 20 shots).
  • Sony a7 IV has a better effective resolution (33 MP vs 12.2 MP).
  • Sony a7 IV has a better battery life (evf) (520 shots vs 240 shots).
  • Sony a7 IV has a better continuous shooting (10 fps vs 5 fps).
  • Sony a7 IV has a better 4k recording (Up to 60p vs Up to 30p).
Product
Sony a7 IV
Sony
$2,499
Sony a7S
Sony
$2,799
Imaging
Sensor TypeBSI CMOSCMOS
Sensor SizeFull-FrameFull-Frame
Effective Resolution33 MP12.2 MP
Max Image Size4K4K
Lens MountSony ESony E
Exposure Control
ISO Range (Native)100 โ€“ 51200100 โ€“ 102400
ISO Range (Extended)50 โ€“ 20480050 โ€“ 409600
Mechanical Shutter1/80001/8000
Electronic Shutter1/80001/8000
Flash Sync Speed1/2501/250
Still Image Capture
Continuous Shooting10 fps5 fps
Buffer (RAW)828 shots20 shots
Video Capture
Max Resolution4K4K
8K Recordingโˆ’โˆ’
4K RecordingUp to 60pUp to 30p
1080p RecordingUp to 120pUp to 120p
10-bit InternalYesNo
Recording LimitNo limit29 min
Log ProfilesS-Log3 / HLG / S-CinetoneS-Log2
Built-in MicStereoStereo
Headphone JackYesYes
Mic InputYesYes
HDMI OutputFull-size (Type A)Micro (Type D)
Focus
Phase Detect Points759โˆ’
Contrast Detect Points425โˆ’
Low Light AF-4 EVโˆ’
Eye AFYesNo
Animal AFYesNo
Vehicle AFNoNo
Viewfinder
EVF TypeOLEDOLED
EVF Resolution3.69M dots2.36M dots
EVF Magnification0.78x0.71x
Monitor
LCD Size3"3"
LCD Resolution1.04M dots1.23M dots
LCD TypeVari-AngleTilting
Touch ScreenYesNo
Interface
Wi-FiWi-Fi 5Wi-Fi 5
Bluetoothv4.2v4.0
USBUSB-C 3.2 Gen 2Micro USB 2.0
GPSNoNo
General
Price (MSRP)$2,499$2,799
Body MaterialMagnesium AlloyMagnesium Alloy
Dimensions131.3ร—96.4ร—79.8 mm126.9ร—94.4ร—48.2 mm
Weight658g (1.45 lb)566g (1.25 lb)
Weather SealedYesNo
In-Body StabilizationYesYes
Battery Life (EVF)520 shots240 shots
Battery Life (LCD)580 shots310 shots
Battery TypeNP-FZ100NP-FW50