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Sony A7 III vs Sony S2100

Portability
63
Imaging
74
Features
92
Overall
81
Sony Alpha A7 III front
 
Sony Cyber-shot DSC-S2100 front
Portability
93
Imaging
35
Features
17
Overall
27

Sony A7 III vs Sony S2100 Key Specs

Sony A7 III
(Full Review)
  • 24MP - Full frame Sensor
  • 3" Tilting Screen
  • ISO 100 - 51200 (Push to 204800)
  • Sensor based 5-axis Image Stabilization
  • 1/8000s Max Shutter
  • 3840 x 2160 video
  • Sony E Mount
  • 650g - 127 x 96 x 74mm
  • Revealed February 2018
  • Succeeded the Sony A7 II
  • Newer Model is Sony A7 IV
Sony S2100
(Full Review)
  • 12MP - 1/2.3" Sensor
  • 3" Fixed Screen
  • ISO 100 - 3200
  • 640 x 480 video
  • 33-105mm (F3.1-5.6) lens
  • 167g - 98 x 61 x 27mm
  • Released January 2010
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Sony A7 III vs Sony S2100 Overview

Below is a in-depth assessment of the Sony A7 III vs Sony S2100, one being a Pro Mirrorless and the latter is a Small Sensor Compact and both of them are produced by Sony. There is a significant difference between the resolutions of the A7 III (24MP) and S2100 (12MP) and the A7 III (Full frame) and S2100 (1/2.3") boast totally different sensor sizing.

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The A7 III was launched 8 years later than the S2100 and that is quite a sizable gap as far as tech is concerned. Each of the cameras feature different body design with the Sony A7 III being a SLR-style mirrorless camera and the Sony S2100 being a Compact camera.

Before delving into a complete comparison, here is a concise synopsis of how the A7 III grades against the S2100 when it comes to portability, imaging, features and an overall grade.

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Reasons to pick Sony A7 III over the Sony S2100

 A7 III S2100 
ReleasedFebruary 2018January 2010More recent by 100 months
Focus manually Very accurate focusing
Screen typeTiltingFixed Tilting screen
Screen resolution922k230kCrisper screen (+692k dot)
Touch friendly screen Quickly navigate

Reasons to pick Sony S2100 over the Sony A7 III

 S2100 A7 III 

Common features in the Sony A7 III and Sony S2100

 A7 III S2100 
Screen size3"3"Same screen measurement
Selfie screen Lacking selfie screen

Sony A7 III vs Sony S2100 Physical Comparison

For those who are intending to lug around your camera regularly, you should take into account its weight and measurements. The Sony A7 III offers external dimensions of 127mm x 96mm x 74mm (5.0" x 3.8" x 2.9") along with a weight of 650 grams (1.43 lbs) and the Sony S2100 has proportions of 98mm x 61mm x 27mm (3.9" x 2.4" x 1.1") accompanied by a weight of 167 grams (0.37 lbs).

Analyze the Sony A7 III vs Sony S2100 in the new Camera with Lens Size Comparison Tool. Camera Size Comparison with Lenses

Keep in mind, the weight of an Interchangeable Lens Camera will change dependant on the lens you use at the time. Here is a front view size comparison of the A7 III against the S2100.

Sony A7 III vs Sony S2100 size comparison

Factoring in size and weight, the portability grade of the A7 III and S2100 is 63 and 93 respectively.

Sony A7 III vs Sony S2100 top view buttons comparison

Sony A7 III vs Sony S2100 Sensor Comparison

Oftentimes, it is very difficult to visualise the contrast between sensor measurements purely by checking a spec sheet. The graphic here will offer you a clearer sense of the sensor sizes in the A7 III and S2100.

Clearly, the 2 cameras come with different megapixel count and different sensor measurements. The A7 III featuring a bigger sensor will make achieving shallower DOF less difficult and the Sony A7 III will give extra detail utilizing its extra 12MP. Higher resolution will also let you crop photographs a good deal more aggressively. The fresher A7 III is going to have an advantage with regard to sensor innovation.

Sony A7 III vs Sony S2100 sensor size comparison

Sony A7 III vs Sony S2100 Screen and ViewFinder

Sony A7 III vs Sony S2100 Screen and Viewfinder comparison
Photography Glossary

Photography Type Scores

Portrait Comparison

Sony A7 III Portrait photography information
Sony S2100 Portrait photography information
84
manual focus
MP count decent (24MP)
sensor size is great (Full frame)
provides face detect focusing
exports RAW formats
21
focusing manually not possible
manual exposure not possible
external flash not possible
low MP (12 megapixels)
tiny sensor (1/2.3")
no RAW support
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Street Comparison

Sony A7 III Street photography information
Sony S2100 Street photography information
78
tilting screen
has image stabilization (Sensor based 5-axis)
sensor size is great (Full frame)
exports RAW formats
boasts focus by touch
environment proof
above average ISO range (51,200)
46
no moving screen
no image stabilization
tiny sensor (1/2.3")
no RAW support
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Sports Comparison

Sports photography with Sony A7 III
Sports photography with Sony S2100
87
max shutter speed is good (1/8,000s)
has image stabilization (Sensor based 5-axis)
MP count decent (24MP)
sensor size is great (Full frame)
provides tracking focus
environment proof
better than average battery power (610 per charge)
sensor has phase detect AF
17
low max shutter speed (1/1,200 seconds)
very slow continuous shooting (1.0 frames per second)
no shutter priority
no image stabilization
low MP (12MP)
tiny sensor (1/2.3")
no phase detect AF
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Travel Comparison

Sony A7 III Travel photography factors
Sony S2100 Travel photography factors
73
better than average battery power (610 shots)
environment proof
has bluetooth
boasts focus by touch
MP count decent (24MP)
screen is not selfie friendly
50
built-in flash
does not have Time Lapse function
low MP (12MP)
doesn't posses selfie friendly screen
wide angle not great (33mm)
slow max aperture (f3.1)
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Landscape Comparison

Sony A7 III Landscape photography factors
Sony S2100 Landscape photography factors
85
manual focus
swap lenses (Sony E mount)
nice screen size (3 inches)
has image stabilization (Sensor based 5-axis)
MP count decent (24MP)
sensor size is great (Full frame)
above average ISO range (51,200)
exports RAW formats
environment proof
better than average battery power (610 CIPA)
two card slots
27
screen is a decent size (3 inch)
focusing manually not possible
cannot swap lenses (fixed lens mount)
wide angle not great (33mm)
slow max aperture (f3.1)
manual exposure not possible
no image stabilization
low MP (12MP)
tiny sensor (1/2.3")
no RAW support
does not have Time Lapse function
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Vlogging Comparison

Sony A7 III Vlogging advice
Sony S2100 Vlogging advice
36
screen is touchscreen
has image stabilization (Sensor based 5-axis)
provides face detect focusing
high res video (3840 x 2160 pxls)
includes microphone socket
screen is not selfie friendly
22
wide angle not great (33mm)
slow max aperture (f3.1)
doesn't posses selfie friendly screen
no image stabilization
video res low (640 x 480 pxls)
does not have mic socket
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Sony A7 III vs Sony S2100 Specifications

Detailed spec comparison table for Sony A7 III and Sony S2100
 Sony Alpha A7 IIISony Cyber-shot DSC-S2100
General Information
Make Sony Sony
Model Sony Alpha A7 III Sony Cyber-shot DSC-S2100
Category Pro Mirrorless Small Sensor Compact
Revealed 2018-02-27 2010-01-07
Physical type SLR-style mirrorless Compact
Sensor Information
Processor Bionz X Bionz
Sensor type BSI-CMOS CCD
Sensor size Full frame 1/2.3"
Sensor dimensions 35.8 x 23.8mm 6.17 x 4.55mm
Sensor area 852.0mm² 28.1mm²
Sensor resolution 24MP 12MP
Anti aliasing filter
Aspect ratio 3:2 and 16:9 4:3, 3:2 and 16:9
Full resolution 6000 x 4000 4000 x 3000
Max native ISO 51200 3200
Max boosted ISO 204800 -
Min native ISO 100 100
RAW photos
Min boosted ISO 50 -
Autofocusing
Manual focus
Autofocus touch
Autofocus continuous
Single autofocus
Tracking autofocus
Autofocus selectice
Autofocus center weighted
Multi area autofocus
Live view autofocus
Face detection autofocus
Contract detection autofocus
Phase detection autofocus
Number of focus points 693 9
Lens
Lens mount Sony E fixed lens
Lens focal range - 33-105mm (3.2x)
Highest aperture - f/3.1-5.6
Macro focus distance - 5cm
Available lenses 121 -
Focal length multiplier 1 5.8
Screen
Type of screen Tilting Fixed Type
Screen diagonal 3 inch 3 inch
Screen resolution 922k dots 230k dots
Selfie friendly
Liveview
Touch functionality
Viewfinder Information
Viewfinder type Electronic None
Viewfinder resolution 2,359k dots -
Viewfinder coverage 100 percent -
Viewfinder magnification 0.78x -
Features
Slowest shutter speed 30 secs 1 secs
Maximum shutter speed 1/8000 secs 1/1200 secs
Continuous shooting rate 10.0 frames/s 1.0 frames/s
Shutter priority
Aperture priority
Expose Manually
Exposure compensation Yes -
Custom white balance
Image stabilization
Integrated flash
Flash range no built-in flash 3.30 m
Flash settings no built-in flash Auto, On, Off, Slow syncro
Hot shoe
Auto exposure bracketing
White balance bracketing
Exposure
Multisegment metering
Average metering
Spot metering
Partial metering
AF area metering
Center weighted metering
Video features
Video resolutions 3840 x 2160 (30p, 24p) 1920 x 1080 (120p, 60p, 60i, 24p), 1440 x 1080 (30p), 640 x 480 (30p) 640 x 480 (30 fps), 320 x 240 (30 fps)
Max video resolution 3840x2160 640x480
Video format MPEG-4, AVCHD, XAVC S, H.264 Motion JPEG
Mic port
Headphone port
Connectivity
Wireless Built-In None
Bluetooth
NFC
HDMI
USB USB 3.1 Gen 1 (5 GBit/sec) USB 2.0 (480 Mbit/sec)
GPS None None
Physical
Environmental sealing
Water proof
Dust proof
Shock proof
Crush proof
Freeze proof
Weight 650 grams (1.43 lbs) 167 grams (0.37 lbs)
Physical dimensions 127 x 96 x 74mm (5.0" x 3.8" x 2.9") 98 x 61 x 27mm (3.9" x 2.4" x 1.1")
DXO scores
DXO All around score 96 not tested
DXO Color Depth score 25.0 not tested
DXO Dynamic range score 14.7 not tested
DXO Low light score 3730 not tested
Other
Battery life 610 pictures -
Battery type Battery Pack -
Battery model NP-FZ100 2 x AA
Self timer Yes (2 or 10 sec; continuous (3 or 5 exposures)) Yes (2 or 10 sec)
Time lapse recording
Type of storage SD/SDHC/SDXC, Memory Stick Duo/Pro Duo/Pro-HG Duo Memory Stick Duo/Pro Duo, optional SD, Internal
Card slots Dual Single
Launch price $1,998 $0