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Casio EX-S7 vs Sony A7S III

Portability
96
Imaging
35
Features
14
Overall
26
Casio Exilim EX-S7 front
 
Sony Alpha A7S III front
Portability
61
Imaging
65
Features
92
Overall
75

Casio EX-S7 vs Sony A7S III Key Specs

Casio EX-S7
(Full Review)
  • 12MP - 1/2.3" Sensor
  • 2.7" Fixed Screen
  • ISO 64 - 1600
  • 1280 x 720 video
  • 36-107mm (F3.1-5.6) lens
  • 121g - 97 x 57 x 20mm
  • Launched February 2010
Sony A7S III
(Full Review)
  • 12MP - Full frame Sensor
  • 3" Fully Articulated Screen
  • ISO 80 - 102400 (Boost to 409600)
  • Sensor based 5-axis Image Stabilization
  • 1/8000s Max Shutter
  • 3840 x 2160 video
  • Sony E Mount
  • 699g - 129 x 97 x 81mm
  • Announced July 2020
  • Older Model is Sony A7S II
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Casio EX-S7 vs Sony A7S III Overview

Its time to look closer at the Casio EX-S7 vs Sony A7S III, one being a Ultracompact and the latter is a Pro Mirrorless by companies Casio and Sony. The resolution of the EX-S7 (12MP) and the A7S III (12MP) is pretty similar but the EX-S7 (1/2.3") and A7S III (Full frame) come with totally different sensor size.

Photography Glossary

The EX-S7 was revealed 11 years earlier than the A7S III and that is quite a serious gap as far as tech is concerned. Both of the cameras come with different body type with the Casio EX-S7 being a Ultracompact camera and the Sony A7S III being a SLR-style mirrorless camera.

Before going straight into a full comparison, below is a concise highlight of how the EX-S7 grades versus the A7S III with regard to portability, imaging, features and an overall rating.

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Reasons to pick Casio EX-S7 over the Sony A7S III

 EX-S7 A7S III 

Reasons to pick Sony A7S III over the Casio EX-S7

 A7S III EX-S7 
AnnouncedJuly 2020February 2010Fresher by 126 months
Screen typeFully articulatedFixed Fully Articulating screen
Screen dimension3"2.7"Bigger screen (+0.3")
Screen resolution1440k230kClearer screen (+1210k dot)
Selfie screen Easy selfies
Touch screen Quickly navigate

Common features in the Casio EX-S7 and Sony A7S III

 EX-S7 A7S III 
Manually focus More exact focus

Casio EX-S7 vs Sony A7S III Physical Comparison

When you are aiming to carry your camera frequently, you're going to have to factor its weight and measurements. The Casio EX-S7 has outside measurements of 97mm x 57mm x 20mm (3.8" x 2.2" x 0.8") with a weight of 121 grams (0.27 lbs) while the Sony A7S III has proportions of 129mm x 97mm x 81mm (5.1" x 3.8" x 3.2") accompanied by a weight of 699 grams (1.54 lbs).

See the Casio EX-S7 vs Sony A7S III in the latest Camera and Lens Size Comparison Tool. Camera Size Comparison with Lenses

Take into consideration, the weight of an Interchangeable Lens Camera will vary based on the lens you are using at the time. Underneath is the front view proportions comparison of the EX-S7 versus the A7S III.

Casio EX-S7 vs Sony A7S III size comparison

Considering size and weight, the portability grade of the EX-S7 and A7S III is 96 and 61 respectively.

Casio EX-S7 vs Sony A7S III top view buttons comparison

Casio EX-S7 vs Sony A7S III Sensor Comparison

Oftentimes, its hard to visualise the gap between sensor sizing only by going over technical specs. The photograph below might provide you a greater sense of the sensor sizing in the EX-S7 and A7S III.

As you can tell, both cameras have got the exact same MP albeit not the same sensor sizing. The EX-S7 has the tinier sensor which is going to make obtaining shallower DOF more challenging. The older EX-S7 is going to be disadvantaged in sensor innovation.

Casio EX-S7 vs Sony A7S III sensor size comparison

Casio EX-S7 vs Sony A7S III Screen and ViewFinder

Casio EX-S7 vs Sony A7S III Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Casio EX-S7 as a Portrait photography camera
Sony A7S III as a Portrait photography camera
27
has manual focus
manual mode not available
no external flash support
low MP (12MP)
very small sensor size (1/2.3")
no RAW support
71
has manual focus
big sensor size (Full frame)
offers face detect focus
saves RAW files
MP count low (12MP)
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Street Comparison

Casio EX-S7 Street photography information
Sony A7S III Street photography information
48
screen does not articulate
does not have image stabilization
very small sensor size (1/2.3")
no RAW support
76
has image stabilization (Sensor based 5-axis)
big sensor size (Full frame)
saves RAW files
supports touch to focus
environment sealing
great ISO range (102,400)
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Sports Comparison

Casio EX-S7 Sports photography features
Sony A7S III Sports photography features
17
lack of shutter priority mode
does not have image stabilization
low MP (12 megapixels)
very small sensor size (1/2.3")
no phase detect auto focus
76
high shutter speed (1/8,000 seconds)
has image stabilization (Sensor based 5-axis)
big sensor size (Full frame)
offers tracking focus
environment sealing
good battery (600 shots)
supports phase detect auto focus
MP count low (12MP)
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Travel Comparison

Travel photography with Casio EX-S7
Travel photography with Sony A7S III
52
has built in flash
doesn't have Timelapse function
low MP (12MP)
screen isn't selfie friendly
wide angle not good (36mm)
somewhat slow max aperture (f3.1)
70
good battery (600 shots)
environment sealing
connects via bluetooth
supports touch to focus
display is selfie friendly
MP count low (12 megapixels)
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Landscape Comparison

Casio EX-S7 Landscape photography features
Sony A7S III Landscape photography features
28
has manual focus
fixed lens (fixed lens mount)
wide angle not good (36mm)
somewhat slow max aperture (f3.1)
screen is small (2.7 inches)
manual mode not available
does not have image stabilization
low MP (12 megapixels)
very small sensor size (1/2.3")
no RAW support
doesn't have Timelapse function
77
has manual focus
swap lenses (Sony E mount)
screen size is good (3 inches)
has image stabilization (Sensor based 5-axis)
big sensor size (Full frame)
great ISO range (102,400)
saves RAW files
environment sealing
good battery (600 shots)
2 card slots
MP count low (12MP)
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Vlogging Comparison

Casio EX-S7 as a Vlogging camera
Sony A7S III as a Vlogging camera
22
wide angle not good (36mm)
somewhat slow max aperture (f3.1)
screen isn't selfie friendly
does not have image stabilization
video resolution low (1280 x 720 resolution)
doesn't have microphone port
77
display is selfie friendly
touchscreen enabled
has image stabilization (Sensor based 5-axis)
offers face detect focus
video resolution high (3840 x 2160 resolution)
comes with mic support
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Casio EX-S7 vs Sony A7S III Specifications

Detailed spec comparison table for Casio EX-S7 and Sony A7S III
 Casio Exilim EX-S7Sony Alpha A7S III
General Information
Company Casio Sony
Model Casio Exilim EX-S7 Sony Alpha A7S III
Type Ultracompact Pro Mirrorless
Launched 2010-02-21 2020-07-21
Physical type Ultracompact SLR-style mirrorless
Sensor Information
Processor Chip Exilim Engine 5.0 Bionz XR
Sensor type CCD BSI-CMOS
Sensor size 1/2.3" Full frame
Sensor dimensions 6.17 x 4.55mm 35.6 x 23.8mm
Sensor surface area 28.1mm² 847.3mm²
Sensor resolution 12 megapixel 12 megapixel
Anti aliasing filter
Aspect ratio 4:3, 3:2 and 16:9 3:2 and 16:9
Maximum resolution 4000 x 3000 4240 x 2832
Maximum native ISO 1600 102400
Maximum boosted ISO - 409600
Lowest native ISO 64 80
RAW images
Lowest boosted ISO - 50
Autofocusing
Focus manually
Touch to focus
Autofocus continuous
Autofocus single
Tracking autofocus
Selective autofocus
Autofocus center weighted
Multi area autofocus
Autofocus live view
Face detection autofocus
Contract detection autofocus
Phase detection autofocus
Number of focus points - 759
Lens
Lens mounting type fixed lens Sony E
Lens focal range 36-107mm (3.0x) -
Maximum aperture f/3.1-5.6 -
Macro focus distance 10cm -
Total lenses - 121
Focal length multiplier 5.8 1
Screen
Screen type Fixed Type Fully articulated
Screen sizing 2.7" 3"
Screen resolution 230 thousand dots 1,440 thousand dots
Selfie friendly
Liveview
Touch screen
Viewfinder Information
Viewfinder type None Electronic
Viewfinder resolution - 9,440 thousand dots
Viewfinder coverage - 100%
Viewfinder magnification - 0.91x
Features
Slowest shutter speed 4s 30s
Maximum shutter speed 1/2000s 1/8000s
Continuous shooting rate - 10.0 frames per sec
Shutter priority
Aperture priority
Manual mode
Exposure compensation - Yes
Set white balance
Image stabilization
Integrated flash
Flash range 3.20 m no built-in flash
Flash modes Auto, On, Off, Red-eye, Soft no built-in flash
External flash
AEB
White balance bracketing
Exposure
Multisegment
Average
Spot
Partial
AF area
Center weighted
Video features
Video resolutions 1280 x 720 (30 fps), 640 x 480 (30 fps), 320 x 240 (15 fps) 3840 x 2160 @ 120p / 280 Mbps, XAVC S, MP4, H.265, Linear PCM 3840 x 2160 @ 100p / 280 Mbps, XAVC S, MP4, H.265, Linear PCM 3840 x 2160 @ 60p / 200 Mbps, XAVC S, MP4, H.265, Linear PCM 3840 x 2160 @ 50p / 200 Mbps, XAVC S, MP4, H.265, Linear PCM 3840 x 2160 @ 30p / 140 Mbps, XAVC S, MP4, H.265, Linear PCM 3840 x 2160 @ 25p / 140 Mbps, XAVC S, MP4, H.265, Linear PCM 3840 x 2160 @ 24p / 100 Mbps, XAVC S, MP4, H.265, Linear PCM 1920 x 1080 @ 120p / 100 Mbps, XAVC S, MP4, H.264, Linear PCM 1920 x 1080 @ 100p / 100 Mbps, XAVC S, MP4, H.264, Linear PCM 1920 x 1080 @ 60p / 50 Mbps, XAVC S, MP4, H.264, Linear PCM 1920 x 1080 @ 50p / 50 Mbps, XAVC S, MP4, H.264, Linear PCM 1920 x 1080 @ 25p / 50 Mbps, XAVC S, MP4, H.264, Linear PCM 1920 x 1080 @ 24p / 50 Mbps, XAVC S, MP4, H.264, Linear PCM
Maximum video resolution 1280x720 3840x2160
Video data format Motion JPEG MPEG-4, XAVC S, XAVC HS, XAVC S-1, H.264, H.265
Mic support
Headphone support
Connectivity
Wireless None Built-In
Bluetooth
NFC
HDMI
USB USB 2.0 (480 Mbit/sec) USB 3.2 Gen 1 (5 GBit/sec)
GPS None None
Physical
Environmental sealing
Water proof
Dust proof
Shock proof
Crush proof
Freeze proof
Weight 121 gr (0.27 lbs) 699 gr (1.54 lbs)
Dimensions 97 x 57 x 20mm (3.8" x 2.2" x 0.8") 129 x 97 x 81mm (5.1" x 3.8" x 3.2")
DXO scores
DXO All around score not tested 85
DXO Color Depth score not tested 23.6
DXO Dynamic range score not tested 13.3
DXO Low light score not tested 2993
Other
Battery life - 600 pictures
Type of battery - Battery Pack
Battery model NP-80 NP-FZ100
Self timer Yes (2 or 10 sec, Triple Self-timer) Yes (2 or 10 sec; continuous (3 or 5 exposures))
Time lapse feature With downloadable app
Type of storage SD/SDHC card, Internal Dual SD/CFexpress Type A slots
Card slots One 2
Launch cost $140 $3,499