Benchmarks Real world tests of Sony A7S vs EOS 5D Mark IV

Continuous shooting Delay between fully pressing shutter to image capture

Sony A7S
5 fps

Battery life How many photos per battery charge (CIPA)

Sony A7S
320 photos
EOS 5D Mark IV
900 photos

Features Key features of the Sony A7S  vs EOS 5D Mark IV 

Megapixels Maximum resolution images are captured at

Sony A7S
12.4 MP
EOS 5D Mark IV
30.1 MP

Focus points How many different points the camera can focus on

Screen size Larger screens make it easier to preview and review photos

Viewfinder size Large viewfinders are brighter and more comfortable to use

Sony A7S
0.71x

Pixel size How much area of the sensor is dedicated to each pixel

Sony A7S
69.1 microns
EOS 5D Mark IV
28.7 microns

Specifications Full list of technical specs

sensor

Sony A7S  vs
EOS 5D Mark IV 
Type Exmor R CMOS CMOS
Megapixels 12.4 MP 30.1 MP
Resolution 4064 x 3048 6720 x 4480
Size Full frame Full frame
Area 35.8 x 23.9 mm 36 x 24 mm
Crop factor 1.0x 1.0x
Pixel size 69.1 microns 28.7 microns
Light sensitivity 100 ISO to 409,600 ISO 50 ISO to 102,400 ISO

focus system

Type Contrast detection Phase detection
Focus points 25 61
Supports continuous Yes Yes

shutter

Min 30 s 30 s
Max 1/8000 s 1/8000 s

form factor

Size 126.9 x 94.4 x 48.2 mm 151 x 116 x 76 mm
Thickness 48.2 mm 76 mm
Weight 489 g 890 g
Is weather sealed Yes Yes

features

Includes a GPS No No
WiFi None 802.11n

video

Sony A7S  vs
EOS 5D Mark IV 
Video 1920 x 1080 @ 60 fps Unknown
External mic jack 3.5mm 3.5mm

display

Type LCD LCD
Size 3" 3.2"
Resolution 921 k dots 1,620 k dots
Has a touch screen No Yes
Has a flip out screen Yes No
Supports live view Yes Yes

viewfinder

Viewfinder mirror None Opaque
Viewfinder Yes Yes
Type Electronic Pentaprism
Coverage 100% 100%
Magnification 0.71x 0.71x
Viewfinder size 0.71x 0.71x

performance

Max continuous shooting 5 fps 7 fps
Battery life 320 900
Continuous shooting
7 fps
5 fps
Sony A7S
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Canon EOS 5D Mark IV
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