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Sony A9 vs Sony S2100

Portability
65
Imaging
73
Features
93
Overall
81
Sony Alpha A9 front
 
Sony Cyber-shot DSC-S2100 front
Portability
93
Imaging
35
Features
17
Overall
27

Sony A9 vs Sony S2100 Key Specs

Sony A9
(Full Review)
  • 24MP - Full frame Sensor
  • 3" Tilting Screen
  • ISO 100 - 51200 (Bump to 204800)
  • Sensor based 5-axis Image Stabilization
  • 1/8000s Max Shutter
  • 3840 x 2160 video
  • Sony E Mount
  • 673g - 127 x 96 x 63mm
  • Announced April 2017
  • Later Model is Sony A9 II
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
  • Revealed January 2010
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Sony A9 vs Sony S2100 Overview

Let's look a bit more closely at the Sony A9 versus Sony S2100, former is a Pro Mirrorless while the latter is a Small Sensor Compact and both are produced by Sony. There exists a substantial gap between the image resolutions of the A9 (24MP) and S2100 (12MP) and the A9 (Full frame) and S2100 (1/2.3") boast different sensor size.

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The A9 was brought out 7 years after the S2100 which is quite a big difference as far as technology is concerned. Both the cameras feature different body design with the Sony A9 being a SLR-style mirrorless camera and the Sony S2100 being a Compact camera.

Before getting into a in depth comparison, here is a simple introduction of how the A9 grades versus the S2100 with respect to portability, imaging, features and an overall mark.

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Reasons to pick Sony A9 over the Sony S2100

 A9 S2100 
RevealedApril 2017January 2010Newer by 89 months
Focus manually More precise focusing
Screen typeTiltingFixed Tilting screen
Screen resolution1440k230kClearer screen (+1210k dot)
Touch screen Quickly navigate

Reasons to pick Sony S2100 over the Sony A9

 S2100 A9 

Common features in the Sony A9 and Sony S2100

 A9 S2100 
Screen size3"3"Same screen size
Selfie screen Neither has selfie screen

Sony A9 vs Sony S2100 Physical Comparison

For anyone who is planning to travel with your camera often, you are going to need to factor in its weight and volume. The Sony A9 has physical dimensions of 127mm x 96mm x 63mm (5.0" x 3.8" x 2.5") having a weight of 673 grams (1.48 lbs) while the Sony S2100 has sizing of 98mm x 61mm x 27mm (3.9" x 2.4" x 1.1") with a weight of 167 grams (0.37 lbs).

Check the Sony A9 versus Sony S2100 in our newest Camera plus Lens Size Comparison Tool. Camera Size Comparison with Lenses

Remember, the weight of an ILC will change based on the lens you use during that time. Here is a front view sizing comparison of the A9 versus the S2100.

Sony A9 vs Sony S2100 size comparison

Taking into consideration dimensions and weight, the portability rating of the A9 and S2100 is 65 and 93 respectively.

Sony A9 vs Sony S2100 top view buttons comparison

Sony A9 vs Sony S2100 Sensor Comparison

Sometimes, its hard to picture the gap between sensor dimensions simply by reviewing specifications. The image here may give you a better sense of the sensor dimensions in the A9 and S2100.

Plainly, each of the cameras come with different resolutions and different sensor dimensions. The A9 because of its bigger sensor is going to make achieving shallower DOF simpler and the Sony A9 will deliver more detail having its extra 12 Megapixels. Higher resolution will also let you crop shots a good deal more aggressively. The more modern A9 should have an edge when it comes to sensor innovation.

Sony A9 vs Sony S2100 sensor size comparison

Sony A9 vs Sony S2100 Screen and ViewFinder

Sony A9 vs Sony S2100 Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Sony A9 Portrait photography highlights
Sony S2100 Portrait photography highlights
83
focusing manually
decent MP (24MP)
sensor size is great (Full frame)
features face detect focus
exports RAW files
21
manual focus not available
lack of manual mode
no external flash support
sensor resolution not great (12MP)
very small sensor (1/2.3")
lacks RAW files
Photography Glossary

Street Comparison

Sony A9 Street photography details
Sony S2100 Street photography details
79
has a tilting screen
has image stabilization (Sensor based 5-axis)
sensor size is great (Full frame)
exports RAW files
boasts touch focus
environment sealing
great high ISO (51,200)
46
screen does not articulate
does not have image stabilization
very small sensor (1/2.3")
lacks RAW files
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Sports Comparison

Sony A9 Sports photography information
Sony S2100 Sports photography information
86
great max shutter speed (1/8,000s)
silent mode (1/32,000s)
fast shooting (20.0 fps)
has image stabilization (Sensor based 5-axis)
decent MP (24MP)
sensor size is great (Full frame)
features tracking focus
environment sealing
good battery power (650 shots)
sensor has phase detect auto focus
17
maximum shutter speed is a little low (1/1,200s)
slow continuous shooting (1.0 frames per second)
no shutter priority mode
does not have image stabilization
sensor resolution not great (12MP)
very small sensor (1/2.3")
lacks phase detect autofocus
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Travel Comparison

Travel photography with Sony A9
Travel photography with Sony S2100
73
good battery power (650 per charge)
environment sealing
connects via bluetooth
boasts touch focus
decent MP (24 megapixels)
screen isn't selfie friendly
50
has built in flash
lack of Time Lapse function
sensor resolution not great (12 megapixels)
does not offer selfie friendly screen
wide angle not good (33mm)
sluggish max aperture (f3.1)
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Landscape Comparison

Sony A9 Landscape photography info
Sony S2100 Landscape photography info
85
focusing manually
swap lenses (Sony E mount)
screen is a decent size (3 inches)
has image stabilization (Sensor based 5-axis)
decent MP (24MP)
sensor size is great (Full frame)
great high ISO (51,200)
exports RAW files
environment sealing
good battery power (650 CIPA)
2 card slots
27
screen size is decent (3")
manual focus not available
cannot switch lenses (fixed lens mount)
wide angle not good (33mm)
sluggish max aperture (f3.1)
lack of manual mode
does not have image stabilization
sensor resolution not great (12 megapixels)
very small sensor (1/2.3")
lacks RAW files
lack of Time Lapse function
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Vlogging Comparison

Sony A9 Vlogging info
Sony S2100 Vlogging info
36
has touchscreen
has image stabilization (Sensor based 5-axis)
features face detect focus
high res video (3840 x 2160 resolution)
includes microphone support
screen isn't selfie friendly
22
wide angle not good (33mm)
sluggish max aperture (f3.1)
does not offer selfie friendly screen
does not have image stabilization
low video resolution (640 x 480 pxls)
lack of external mic socket
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Sony A9 vs Sony S2100 Specifications

Detailed spec comparison table for Sony A9 and Sony S2100
 Sony Alpha A9Sony Cyber-shot DSC-S2100
General Information
Brand Name Sony Sony
Model Sony Alpha A9 Sony Cyber-shot DSC-S2100
Type Pro Mirrorless Small Sensor Compact
Announced 2017-04-19 2010-01-07
Physical type SLR-style mirrorless Compact
Sensor Information
Chip BIONZ X Bionz
Sensor type BSI-CMOS CCD
Sensor size Full frame 1/2.3"
Sensor dimensions 35.6 x 23.8mm 6.17 x 4.55mm
Sensor surface area 847.3mm² 28.1mm²
Sensor resolution 24 megapixels 12 megapixels
Anti aliasing filter
Aspect ratio 3:2 and 16:9 4:3, 3:2 and 16:9
Highest Possible resolution 6000 x 4000 4000 x 3000
Maximum native ISO 51200 3200
Maximum enhanced ISO 204800 -
Min native ISO 100 100
RAW photos
Min enhanced ISO 50 -
Autofocusing
Focus manually
Touch to focus
Continuous autofocus
Autofocus single
Autofocus tracking
Autofocus selectice
Center weighted autofocus
Autofocus multi area
Live view autofocus
Face detection autofocus
Contract detection autofocus
Phase detection autofocus
Number of focus points 693 9
Lens
Lens mounting type Sony E fixed lens
Lens focal range - 33-105mm (3.2x)
Maximal aperture - f/3.1-5.6
Macro focus range - 5cm
Amount of lenses 121 -
Crop factor 1 5.8
Screen
Screen type Tilting Fixed Type
Screen diagonal 3 inch 3 inch
Resolution of screen 1,440 thousand dots 230 thousand dots
Selfie friendly
Liveview
Touch friendly
Viewfinder Information
Viewfinder type Electronic None
Viewfinder resolution 3,686 thousand dots -
Viewfinder coverage 100% -
Viewfinder magnification 0.78x -
Features
Minimum shutter speed 30 seconds 1 seconds
Fastest shutter speed 1/8000 seconds 1/1200 seconds
Fastest silent shutter speed 1/32000 seconds -
Continuous shutter rate 20.0 frames per sec 1.0 frames per sec
Shutter priority
Aperture priority
Manually set exposure
Exposure compensation Yes -
Change white balance
Image stabilization
Built-in flash
Flash range no built-in flash 3.30 m
Flash settings Flash off, Autoflash, Fill-flash, Slow Sync., Rear Sync., Red-eye reduction, Wireless, Hi-speed sync Auto, On, Off, Slow syncro
External flash
AE bracketing
WB bracketing
Exposure
Multisegment
Average
Spot
Partial
AF area
Center weighted
Video features
Supported video resolutions - 640 x 480 (30 fps), 320 x 240 (30 fps)
Maximum video resolution 3840x2160 640x480
Video data format MPEG-4, AVCHD, H.264 Motion JPEG
Mic port
Headphone port
Connectivity
Wireless Built-In None
Bluetooth
NFC
HDMI
USB USB 2.0 (480 Mbit/sec) USB 2.0 (480 Mbit/sec)
GPS None None
Physical
Environment sealing
Water proof
Dust proof
Shock proof
Crush proof
Freeze proof
Weight 673g (1.48 lb) 167g (0.37 lb)
Physical dimensions 127 x 96 x 63mm (5.0" x 3.8" x 2.5") 98 x 61 x 27mm (3.9" x 2.4" x 1.1")
DXO scores
DXO Overall score 92 not tested
DXO Color Depth score 24.9 not tested
DXO Dynamic range score 13.3 not tested
DXO Low light score 3517 not tested
Other
Battery life 650 images -
Form of battery Battery Pack -
Battery model NP-FZ100 2 x AA
Self timer Yes (2, 5, 10 secs + continuous) Yes (2 or 10 sec)
Time lapse recording
Storage type Dual SD/SDHC/SDXC slots (UHS-II compatible) Memory Stick Duo/Pro Duo, optional SD, Internal
Card slots Two Single
Launch pricing $4,498 $0