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Sony A7S III vs Sony RX10 III

Portability
61
Imaging
64
Features
92
Overall
75
Sony Alpha A7S III front
 
Sony Cyber-shot DSC-RX10 III front
Portability
53
Imaging
52
Features
77
Overall
62

Sony A7S III vs Sony RX10 III Key Specs

Sony A7S III
(Full Review)
  • 12MP - Full frame Sensor
  • 3" Fully Articulated Display
  • ISO 80 - 102400 (Raise 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
  • Revealed July 2020
  • Previous Model is Sony A7S II
Sony RX10 III
(Full Review)
  • 20MP - 1" Sensor
  • 3" Tilting Display
  • ISO 125 - 12800 (Bump to 25600)
  • Optical Image Stabilization
  • 3840 x 2160 video
  • 24-600mm (F2.4-4.0) lens
  • 1051g - 133 x 94 x 127mm
  • Announced March 2016
  • Superseded the Sony RX10 II
  • Newer Model is Sony RX10 IV
Photography Glossary

Sony A7S III vs Sony RX10 III Overview

The following is a extended review of the Sony A7S III and Sony RX10 III, one is a Pro Mirrorless and the other is a Large Sensor Superzoom and both are produced by Sony. There exists a sizeable gap among the sensor resolutions of the A7S III (12MP) and RX10 III (20MP) and the A7S III (Full frame) and RX10 III (1") feature totally different sensor measurements.

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The A7S III was announced 4 years after the RX10 III which is a fairly large gap as far as camera technology is concerned. Both the cameras offer different body type with the Sony A7S III being a SLR-style mirrorless camera and the Sony RX10 III being a SLR-like (bridge) camera.

Before getting through a in-depth comparison, below is a simple synopsis of how the A7S III matches up against the RX10 III in relation to portability, imaging, features and an overall mark.

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Reasons to pick Sony A7S III over the Sony RX10 III

 A7S III RX10 III 
AnnouncedJuly 2020March 2016Newer by 53 months
Display typeFully articulatedTiltingFully Articulating display
Display resolution1440k1229kClearer display (+211k dot)
Selfie screen Easy selfies
Touch friendly display Easily navigate

Reasons to pick Sony RX10 III over the Sony A7S III

 RX10 III A7S III 

Common features in the Sony A7S III and Sony RX10 III

 A7S III RX10 III 
Manually focus More accurate focus
Display sizing3"3"Equivalent display measurements

Sony A7S III vs Sony RX10 III Physical Comparison

For anyone who is looking to travel with your camera regularly, you will have to take into account its weight and proportions. The Sony A7S III features outer dimensions of 129mm x 97mm x 81mm (5.1" x 3.8" x 3.2") along with a weight of 699 grams (1.54 lbs) whilst the Sony RX10 III has measurements of 133mm x 94mm x 127mm (5.2" x 3.7" x 5.0") and a weight of 1051 grams (2.32 lbs).

Check out the Sony A7S III and Sony RX10 III in the all new Camera and Lens Size Comparison Tool. Camera Size Comparison with Lenses

Don't forget, the weight of an Interchangeable Lens Camera will vary dependant on the lens you are utilizing during that time. Here is the front view over all size comparison of the A7S III against the RX10 III.

Sony A7S III vs Sony RX10 III size comparison

Taking into consideration dimensions and weight, the portability rating of the A7S III and RX10 III is 61 and 53 respectively.

Sony A7S III vs Sony RX10 III top view buttons comparison

Sony A7S III vs Sony RX10 III Sensor Comparison

Sometimes, it is very difficult to see the gap in sensor dimensions just by seeing specs. The image below should provide you a clearer sense of the sensor sizes in the A7S III and RX10 III.

All in all, both of these cameras enjoy different resolutions and different sensor dimensions. The A7S III with its larger sensor will make getting shallower depth of field less difficult and the Sony RX10 III will show greater detail with its extra 8MP. Greater resolution will help you crop pics far more aggressively. The more recent A7S III will have a benefit in sensor tech.

Sony A7S III vs Sony RX10 III sensor size comparison

Sony A7S III vs Sony RX10 III Screen and ViewFinder

Sony A7S III vs Sony RX10 III Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Sony A7S III Portrait photography information
Sony RX10 III Portrait photography information
70
you can focus manually
big sensor size (Full frame)
supports face detect focus
exports RAW files
low MP (12 megapixels)
71
you can focus manually
good megapixels (20 megapixels)
nice sensor size (1")
provides face detection focusing
supports RAW files
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Street Comparison

Sony A7S III Street photography advice
Sony RX10 III Street photography advice
76
built in image stabilization (Sensor based 5-axis)
big sensor size (Full frame)
exports RAW files
features focus via touch
weather proofing
great high ISO (102,400)
64
screen tilts up and down
image stabilization (Optical)
nice sensor size (1")
supports RAW files
environment proof
more heavy than others in class (1,051 grams)
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Sports Comparison

Sony A7S III as a Sports photography camera
Sony RX10 III as a Sports photography camera
75
max shutter speed is good (1/8,000s)
built in image stabilization (Sensor based 5-axis)
big sensor size (Full frame)
supports tracking focus
weather proofing
good battery power (600 per charge)
supports phase detect auto focus
low MP (12MP)
70
excellent zoom range (24-600mm 25.0 x zoom)
quiet shutter (1/32,000 seconds)
image stabilization (Optical)
good megapixels (20 megapixels)
nice sensor size (1")
provides tracking autofocus
environment proof
good battery pack (420 shots)
no phase detect AF
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Travel Comparison

Sony A7S III Travel photography details
Sony RX10 III Travel photography details
70
good battery power (600 per charge)
weather proofing
has bluetooth
features focus via touch
display is selfie friendly
low MP (12 megapixels)
55
good battery pack (420 CIPA)
environment proof
good megapixels (20MP)
flash built-in
decently wide (24mm)
great zoom (600mm)
no Timelapse mode
more heavy than others in class (1,051g)
display isn't selfie friendly
slow max aperture (f2.4)
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Landscape Comparison

Sony A7S III Landscape photography info
Sony RX10 III Landscape photography info
77
you can focus manually
change lenses (Sony E mount)
pretty good screen size (3 inch)
built in image stabilization (Sensor based 5-axis)
big sensor size (Full frame)
great high ISO (102,400)
exports RAW files
weather proofing
good battery power (600 CIPA)
2 card slots
low MP (12MP)
63
you can focus manually
decently wide (24mm)
pretty good screen size (3 inches)
image stabilization (Optical)
good megapixels (20 megapixels)
nice sensor size (1")
supports RAW files
environment proof
good battery pack (420 CIPA)
fixed lens (fixed lens mount)
slow max aperture (f2.4)
no Timelapse mode
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Vlogging Comparison

Sony A7S III as a Vlogging camera
Sony RX10 III as a Vlogging camera
77
display is selfie friendly
touchscreen capability
built in image stabilization (Sensor based 5-axis)
supports face detect focus
video res high (3840 x 2160 resolution)
comes with microphone support
28
decently wide (24mm)
image stabilization (Optical)
provides face detection focusing
video res high (3840 x 2160 pixels)
includes external microphone jack
slow max aperture (f2.4)
display isn't selfie friendly
more heavy than others in class (1,051g)
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Sony A7S III vs Sony RX10 III Specifications

Detailed spec comparison table for Sony A7S III and Sony RX10 III
 Sony Alpha A7S IIISony Cyber-shot DSC-RX10 III
General Information
Manufacturer Sony Sony
Model Sony Alpha A7S III Sony Cyber-shot DSC-RX10 III
Class Pro Mirrorless Large Sensor Superzoom
Revealed 2020-07-21 2016-03-29
Body design SLR-style mirrorless SLR-like (bridge)
Sensor Information
Powered by Bionz XR Bionz X
Sensor type BSI-CMOS BSI-CMOS
Sensor size Full frame 1"
Sensor measurements 35.6 x 23.8mm 13.2 x 8.8mm
Sensor surface area 847.3mm² 116.2mm²
Sensor resolution 12MP 20MP
Anti aliasing filter
Aspect ratio 3:2 and 16:9 1:1, 4:3, 3:2 and 16:9
Highest Possible resolution 4240 x 2832 5472 x 3648
Maximum native ISO 102400 12800
Maximum enhanced ISO 409600 25600
Min native ISO 80 125
RAW support
Min enhanced ISO 50 64
Autofocusing
Focus manually
Touch to focus
Continuous autofocus
Single autofocus
Tracking autofocus
Selective autofocus
Center weighted autofocus
Autofocus multi area
Autofocus live view
Face detect focus
Contract detect focus
Phase detect focus
Number of focus points 759 25
Lens
Lens mount Sony E fixed lens
Lens focal range - 24-600mm (25.0x)
Largest aperture - f/2.4-4.0
Macro focus range - 3cm
Number of lenses 121 -
Focal length multiplier 1 2.7
Screen
Range of display Fully articulated Tilting
Display diagonal 3" 3"
Display resolution 1,440 thousand dot 1,229 thousand dot
Selfie friendly
Liveview
Touch functionality
Viewfinder Information
Viewfinder type Electronic Electronic
Viewfinder resolution 9,440 thousand dot 2,359 thousand dot
Viewfinder coverage 100% 100%
Viewfinder magnification 0.91x 0.7x
Features
Min shutter speed 30 secs 30 secs
Max shutter speed 1/8000 secs 1/2000 secs
Max quiet shutter speed - 1/32000 secs
Continuous shutter speed 10.0fps 14.0fps
Shutter priority
Aperture priority
Manually set exposure
Exposure compensation Yes Yes
Set white balance
Image stabilization
Built-in flash
Flash range no built-in flash 10.80 m (at Auto ISO)
Flash options no built-in flash Auto, fill-flash, slow sync, rear sync, off
External flash
Auto exposure bracketing
WB bracketing
Exposure
Multisegment
Average
Spot
Partial
AF area
Center weighted
Video features
Video resolutions 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 3840 x 2160 (30p, 25p, 24p), 1920 x 1080 (60p, 60i, 24p) ,1440 x 1080 (30p), 640 x 480 (30p)
Maximum video resolution 3840x2160 3840x2160
Video format MPEG-4, XAVC S, XAVC HS, XAVC S-1, H.264, H.265 MPEG-4, AVCHD, XAVC S
Microphone input
Headphone input
Connectivity
Wireless Built-In Built-In
Bluetooth
NFC
HDMI
USB USB 3.2 Gen 1 (5 GBit/sec) USB 2.0 (480 Mbit/sec)
GPS None None
Physical
Environmental seal
Water proof
Dust proof
Shock proof
Crush proof
Freeze proof
Weight 699 grams (1.54 lb) 1051 grams (2.32 lb)
Dimensions 129 x 97 x 81mm (5.1" x 3.8" x 3.2") 133 x 94 x 127mm (5.2" x 3.7" x 5.0")
DXO scores
DXO Overall score 85 70
DXO Color Depth score 23.6 23.1
DXO Dynamic range score 13.3 12.6
DXO Low light score 2993 472
Other
Battery life 600 images 420 images
Type of battery Battery Pack Battery Pack
Battery model NP-FZ100 NP-FW50
Self timer Yes (2 or 10 sec; continuous (3 or 5 exposures)) Yes (2 or 10 sec, continuous)
Time lapse shooting With downloadable app
Type of storage Dual SD/CFexpress Type A slots SD/SDHC/SDXC, Memory Stick Duo/Pro Duo/Pro-HG Duo
Storage slots Two Single
Retail cost $3,499 $1,398