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Sony A7S III vs Sony QX100

Portability
61
Imaging
64
Features
92
Overall
75
Sony Alpha A7S III front
 
Sony Cyber-shot DSC-QX100 front
Portability
92
Imaging
50
Features
44
Overall
47

Sony A7S III vs Sony QX100 Key Specs

Sony A7S III
(Full Review)
  • 12MP - Full frame Sensor
  • 3" Fully Articulated Screen
  • ISO 80 - 102400 (Expand to 409600)
  • Sensor based 5-axis Image Stabilization
  • 1/8000s Maximum Shutter
  • 3840 x 2160 video
  • Sony E Mount
  • 699g - 129 x 97 x 81mm
  • Introduced July 2020
  • Succeeded the Sony A7S II
Sony QX100
(Full Review)
  • 20MP - 1" Sensor
  • " Fixed Screen
  • ISO 160 - 6400
  • Optical Image Stabilization
  • 1920 x 1080 video
  • 28-100mm (F1.8-4.9) lens
  • 179g - 63 x 63 x 56mm
  • Released September 2013
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Sony A7S III vs Sony QX100 Overview

On this page, we will be reviewing the Sony A7S III vs Sony QX100, former is a Pro Mirrorless while the latter is a Lens-style and both are sold by Sony. There exists a large gap among the resolutions of the A7S III (12MP) and QX100 (20MP) and the A7S III (Full frame) and QX100 (1") have totally different sensor measurements.

Photography Glossary

The A7S III was introduced 6 years after the QX100 which is a fairly serious difference as far as camera technology is concerned. Both of the cameras have different body design with the Sony A7S III being a SLR-style mirrorless camera and the Sony QX100 being a Lens-style camera.

Before going right into a thorough comparison, here is a concise synopsis of how the A7S III matches up vs the QX100 with regard to portability, imaging, features and an overall score.

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Reasons to pick Sony A7S III over the Sony QX100

 A7S III QX100 
ReleasedJuly 2020September 2013More modern by 84 months
Screen typeFully articulatedFixed Fully Articulating screen
Screen dimensions3""Bigger screen (+3")
Screen resolution1440k0kCrisper screen (+1440k dot)
Selfie screen Take selfies

Reasons to pick Sony QX100 over the Sony A7S III

 QX100 A7S III 

Common features in the Sony A7S III and Sony QX100

 A7S III QX100 
Manual focus Very accurate focus
Touch screen Quickly navigate

Sony A7S III vs Sony QX100 Physical Comparison

In case you're going to carry around your camera often, you're going to have to think about its weight and measurements. The Sony A7S III enjoys outside dimensions of 129mm x 97mm x 81mm (5.1" x 3.8" x 3.2") and a weight of 699 grams (1.54 lbs) whilst the Sony QX100 has proportions of 63mm x 63mm x 56mm (2.5" x 2.5" x 2.2") accompanied by a weight of 179 grams (0.39 lbs).

Look at the Sony A7S III vs Sony QX100 in our completely new Camera & Lens Size Comparison Tool. Camera Size Comparison with Lenses

Take into consideration, the weight of an ILC will change depending on the lens you use at that moment. Following is a front view physical size comparison of the A7S III versus the QX100.

Sony A7S III vs Sony QX100 size comparison

Taking into account dimensions and weight, the portability score of the A7S III and QX100 is 61 and 92 respectively.

Sony A7S III vs Sony QX100 top view buttons comparison

Sony A7S III vs Sony QX100 Sensor Comparison

Sometimes, it is tough to see the gap in sensor sizes merely by researching specifications. The picture below will give you a clearer sense of the sensor sizes in the A7S III and QX100.

Plainly, each of these cameras provide different megapixels and different sensor sizes. The A7S III having a bigger sensor will make getting shallow DOF less difficult and the Sony QX100 will result in greater detail using its extra 8MP. Higher resolution will allow you to crop pictures more aggressively. The newer A7S III will have a benefit in sensor tech.

Sony A7S III vs Sony QX100 sensor size comparison

Sony A7S III vs Sony QX100 Screen and ViewFinder

Sony A7S III vs Sony QX100 Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Sony A7S III Portrait photography details
Sony QX100 Portrait photography details
70
has manual focus
sensor size is great (Full frame)
provides face detection focus
delivers RAW formats
sensor resolution not great (12MP)
52
has manual focus
decent MP (20MP)
sensor size is decent (1")
features face detect autofocus
no manual mode
no external flash support
doesn't have RAW support
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Street Comparison

Sony A7S III as a Street photography camera
Sony QX100 as a Street photography camera
76
has image stabilization (Sensor based 5-axis)
sensor size is great (Full frame)
delivers RAW formats
has touch focus
weather proof
above average high ISO (102,400)
71
has image stabilization (Optical)
sensor size is decent (1")
includes focus by touch
no articulating screen
doesn't have RAW support
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Sports Comparison

Sony A7S III as a Sports photography camera
Sony QX100 as a Sports photography camera
75
maximum shutter speed is high (1/8,000 seconds)
has image stabilization (Sensor based 5-axis)
sensor size is great (Full frame)
provides tracking autofocus
weather proof
good battery life (600 CIPA)
has phase detect auto focus
sensor resolution not great (12MP)
55
has image stabilization (Optical)
decent MP (20 megapixels)
sensor size is decent (1")
not so great battery life (200 per charge)
doesn't have phase detect autofocus
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Travel Comparison

Sony A7S III Travel photography features
Sony QX100 Travel photography features
70
good battery life (600 shots)
weather proof
supports bluetooth
has touch focus
screen is selfie friendly
sensor resolution not great (12 megapixels)
69
includes focus by touch
decent MP (20MP)
reasonably wide (28mm)
good maximum aperture (f1.8)
no Time Lapse recording
not so great battery life (200 per charge)
screen is not selfie friendly
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Landscape Comparison

Sony A7S III as a Landscape photography camera
Sony QX100 as a Landscape photography camera
77
has manual focus
swap lenses (Sony E mount)
pretty good screen size (3 inches)
has image stabilization (Sensor based 5-axis)
sensor size is great (Full frame)
above average high ISO (102,400)
delivers RAW formats
weather proof
good battery life (600 per charge)
two card slots
sensor resolution not great (12MP)
54
has manual focus
reasonably wide (28mm)
good maximum aperture (f1.8)
has image stabilization (Optical)
decent MP (20MP)
sensor size is decent (1")
lens is fixed (fixed lens mount)
small screen (")
no manual mode
doesn't have RAW support
not so great battery life (200 shots)
no Time Lapse recording
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Vlogging Comparison

Sony A7S III Vlogging advice
Sony QX100 Vlogging advice
77
screen is selfie friendly
touchscreen functionality
has image stabilization (Sensor based 5-axis)
provides face detection focus
video res high (3840 x 2160 pixels)
has external mic socket
38
reasonably wide (28mm)
good maximum aperture (f1.8)
screen is touchscreen
has image stabilization (Optical)
features face detect autofocus
video resolution high (1920 x 1080 pxls)
screen is not selfie friendly
no mic jack
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Sony A7S III vs Sony QX100 Specifications

Detailed spec comparison table for Sony A7S III and Sony QX100
 Sony Alpha A7S IIISony Cyber-shot DSC-QX100
General Information
Brand Sony Sony
Model type Sony Alpha A7S III Sony Cyber-shot DSC-QX100
Category Pro Mirrorless Lens-style
Introduced 2020-07-21 2013-09-05
Body design SLR-style mirrorless Lens-style
Sensor Information
Processor Chip Bionz XR -
Sensor type BSI-CMOS BSI-CMOS
Sensor size Full frame 1"
Sensor dimensions 35.6 x 23.8mm 13.2 x 8.8mm
Sensor surface area 847.3mm² 116.2mm²
Sensor resolution 12MP 20MP
Anti alias filter
Aspect ratio 3:2 and 16:9 1:1, 4:3, 3:2 and 16:9
Max resolution 4240 x 2832 5472 x 3648
Max native ISO 102400 6400
Max enhanced ISO 409600 -
Min native ISO 80 160
RAW format
Min enhanced ISO 50 -
Autofocusing
Manual focusing
AF touch
Continuous AF
Single AF
AF tracking
AF selectice
AF center weighted
AF multi area
Live view AF
Face detection focusing
Contract detection focusing
Phase detection focusing
Total focus points 759 -
Cross type focus points - -
Lens
Lens mount type Sony E fixed lens
Lens zoom range - 28-100mm (3.6x)
Maximum aperture - f/1.8-4.9
Macro focusing range - 5cm
Total lenses 121 -
Focal length multiplier 1 2.7
Screen
Range of screen Fully articulated Fixed Type
Screen diagonal 3 inches -
Screen resolution 1,440k dot 0k dot
Selfie friendly
Liveview
Touch operation
Screen technology - Depends on connected smartphone
Viewfinder Information
Viewfinder Electronic None
Viewfinder resolution 9,440k dot -
Viewfinder coverage 100 percent -
Viewfinder magnification 0.91x -
Features
Minimum shutter speed 30 seconds 4 seconds
Fastest shutter speed 1/8000 seconds 1/2000 seconds
Continuous shutter speed 10.0fps -
Shutter priority
Aperture priority
Manually set exposure
Exposure compensation Yes -
Change WB
Image stabilization
Integrated flash
Flash distance no built-in flash no built-in flash
Flash options no built-in flash None
External flash
Auto exposure bracketing
White balance bracketing
Exposure
Multisegment metering
Average metering
Spot metering
Partial metering
AF area metering
Center weighted metering
Video features
Supported 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 1920 x 1080 (30 fps)
Max video resolution 3840x2160 1920x1080
Video file format MPEG-4, XAVC S, XAVC HS, XAVC S-1, H.264, H.265 MPEG-4
Mic 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 proofing
Dust proofing
Shock proofing
Crush proofing
Freeze proofing
Weight 699 gr (1.54 pounds) 179 gr (0.39 pounds)
Physical dimensions 129 x 97 x 81mm (5.1" x 3.8" x 3.2") 63 x 63 x 56mm (2.5" x 2.5" x 2.2")
DXO scores
DXO Overall rating 85 not tested
DXO Color Depth rating 23.6 not tested
DXO Dynamic range rating 13.3 not tested
DXO Low light rating 2993 not tested
Other
Battery life 600 photos 200 photos
Battery format Battery Pack Battery Pack
Battery ID NP-FZ100 NP-BN,
Self timer Yes (2 or 10 sec; continuous (3 or 5 exposures)) Yes (2, 10 secs)
Time lapse feature With downloadable app
Storage media Dual SD/CFexpress Type A slots microSD, microSDHC, microSDXC, Memory Stick Micro
Storage slots 2 Single
Launch cost $3,499 $268