Sony A7S III vs Sony A7R IV Comparison

Sony A7S III

A7S III

$3,500
Sony A7R IV Body

A7R IV

$3,500
Release Date 28 July 202016 July 2019
Body type SLR Style MirrorlessSLR Style Mirrorless
Sensor typeBSI CMOSBSI CMOS Full Frame
Sensor size36 x 24 mm35.7 x 23.8 mm
Sensor resolution4240 x 28327008 x 4672
Sensor pixels 1261
ProcessorBIONZ XRBIONZ X
Color filter arrayPrimary Color FilterPrimary color filter
ISOAuto 80-102400 
Expandable 40-409600
Auto 100-32000
Expands 50-102800
Image stabilization5 axis sensor shiftsensor shift  5 axis 5.5 stops
Focus typeHybrid
Fast Hybrid
Manual focusYesYes
Focus points759567
Lens mountSony ESony E
Focal length multiplier1x1x
Screen typeFully Articulated LCD
Articulated tilting LCD
Screen Size3.0″3.0
Screen Resolution1,440,000k dots1,440,000 dots
Viewfinder Coverage100%100%
Viewfinder typeElectronic OledElectronic Ultra XGA Oled
Viewfinder resolution9,440K dots5,760,000
Viewfinder magnification3″0.78x
Shutter typeMechanical & ElectronicElectronic controlled vertical traverse focal plane
Shutter speedMin 30 sec
Max 1/8000 sec
Min 30sec
Max 1/8000 sec
Continuous drive10fps10.0 fps
Sync Speed 1/250 sec1/250 sec
External flash YesYes
Build in Flash NONO
Exposure compensation+/- 5 at 1/3 EV, 1/2 EV steps
Video resolution4k 120
Full Hd 240
4k 30, FHD 120
Log GammaSony S-Log 2, Sony S-Log 3S Log2, S Log3
Video formatMPEG 4, XAVC S, XAVC HS, XAVC S-1, H.264, H.256MPEG 4, AVCHD, XAVC S
Storage typeSD/CFexpress UHS II Type A Dual slotsSD/SDHC/SDXC UHS II dual slots
Connectivity USB 3.2 GEN1- 5 Bit/secUSB 3.1 GEN 1 / 5 GBit sec
PortsMicrophone
Headphone
HDMI
HDMI
Microphone
Headphone
Bluetooth
NFC
Wireless transmitter802.11b/g/n/ac 5 GHz802.11b/g/n/ac 5 GHz
Bluetooth Yes
NFC NO
Battery life CIPA600 shots670
Battery Type NP-FZ100665g
Weight614g
Dimensions128.9 x 96.9 x 69.7 mm129 x 96 x 78 mm
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