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Sony S2100 vs Sony A77

Portability
93
Imaging
35
Features
17
Overall
27
Sony Cyber-shot DSC-S2100 front
 
Sony SLT-A77 front
Portability
59
Imaging
63
Features
83
Overall
71

Sony S2100 vs Sony A77 Key Specs

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
  • Launched January 2010
Sony A77
(Full Review)
  • 24MP - APS-C Sensor
  • 3" Fully Articulated Screen
  • ISO 50 - 16000 (Expand to 25600)
  • Sensor based Image Stabilization
  • 1/8000s Maximum Shutter
  • 1920 x 1080 video
  • Sony/Minolta Alpha Mount
  • 732g - 143 x 104 x 81mm
  • Announced October 2011
  • Succeeded the Sony A700
  • New Model is Sony A77 II
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Sony S2100 vs Sony A77 Overview

In this article, we will be reviewing the Sony S2100 and Sony A77, former being a Small Sensor Compact while the latter is a Advanced DSLR and both of them are sold by Sony. There exists a sizable gap among the resolutions of the S2100 (12MP) and A77 (24MP) and the S2100 (1/2.3") and A77 (APS-C) enjoy different sensor size.

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The S2100 was revealed 21 months prior to the A77 which makes the cameras a generation apart from one another. The two cameras offer different body type with the Sony S2100 being a Compact camera and the Sony A77 being a Mid-size SLR camera.

Before getting through a step-by-step comparison, below is a short summary of how the S2100 matches up against the A77 when considering portability, imaging, features and an overall rating.

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Reasons to pick Sony S2100 over the Sony A77

 S2100 A77 

Reasons to pick Sony A77 over the Sony S2100

 A77 S2100 
AnnouncedOctober 2011January 2010Fresher by 21 months
Manually focus More accurate focus
Screen typeFully ArticulatedFixed Fully Articulating screen
Screen resolution921k230kClearer screen (+691k dot)
Selfie screen Easy selfies

Common features in the Sony S2100 and Sony A77

 S2100 A77 
Screen sizing3"3"Equivalent screen size
Touch friendly screen Neither contains Touch friendly screen

Sony S2100 vs Sony A77 Physical Comparison

For anybody who is going to carry your camera frequently, you are going to need to factor in its weight and volume. The Sony S2100 has got exterior dimensions of 98mm x 61mm x 27mm (3.9" x 2.4" x 1.1") with a weight of 167 grams (0.37 lbs) and the Sony A77 has sizing of 143mm x 104mm x 81mm (5.6" x 4.1" x 3.2") along with a weight of 732 grams (1.61 lbs).

Check out the Sony S2100 and Sony A77 in our newest Camera plus Lens Size Comparison Tool. Camera Size Comparison with Lenses

Remember that, the weight of an ILC will change dependant on the lens you use at that moment. Underneath is the front view scale comparison of the S2100 and the A77.

Sony S2100 vs Sony A77 size comparison

Looking at dimensions and weight, the portability rating of the S2100 and A77 is 93 and 59 respectively.

Sony S2100 vs Sony A77 top view buttons comparison

Sony S2100 vs Sony A77 Sensor Comparison

Typically, it can be hard to imagine the gap in sensor sizing just by checking out a spec sheet. The graphic underneath will give you a more clear sense of the sensor sizes in the S2100 and A77.

Clearly, both of the cameras enjoy different megapixel count and different sensor sizing. The S2100 using its smaller sensor is going to make achieving shallow depth of field more difficult and the Sony A77 will show greater detail because of its extra 12 Megapixels. Higher resolution can also help you crop pictures far more aggressively. The older S2100 will be behind in sensor technology.

Sony S2100 vs Sony A77 sensor size comparison

Sony S2100 vs Sony A77 Screen and ViewFinder

Sony S2100 vs Sony A77 Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Sony S2100 Portrait photography information
Sony A77 Portrait photography information
21
no manual focus
manual mode not possible
external flash not possible
low MP (12MP)
tiny sensor (1/2.3")
has no RAW files
77
has manual focus
decent megapixels (24MP)
sensor size is good (APS-C)
supports face detect focusing
exports RAW files
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Street Comparison

Street photography with Sony S2100
Street photography with Sony A77
46
screen does not articulate
lack of image stabilization
tiny sensor (1/2.3")
has no RAW files
74
screen articulates
built in image stabilization (Sensor based)
sensor size is good (APS-C)
exports RAW files
weather proof
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Sports Comparison

Sony S2100 Sports photography highlights
Sony A77 Sports photography highlights
17
low maximum shutter speed (1/1,200s)
very slow continuous shooting (1.0 fps)
no shutter priority
lack of image stabilization
low MP (12MP)
tiny sensor (1/2.3")
has no phase detect autofocus
74
max shutter speed is good (1/8,000 seconds)
built in image stabilization (Sensor based)
decent megapixels (24MP)
sensor size is good (APS-C)
weather proof
comes with phase detect AF
not so great battery power (470 shots)
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Travel Comparison

Travel photography with Sony S2100
Travel photography with Sony A77
50
built-in flash
lack of Time Lapse function
low MP (12MP)
display is not selfie friendly
wide angle not fantastic (33mm)
somewhat slow max aperture (f3.1)
62
weather proof
decent megapixels (24 megapixels)
flash built-in
screen is selfie friendly
no Time Lapse mode
not so great battery power (470 per charge)
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Landscape Comparison

Sony S2100 Landscape photography details
Sony A77 Landscape photography details
27
good sized screen (3 inches)
no manual focus
fixed lens (fixed lens mount)
wide angle not fantastic (33mm)
somewhat slow max aperture (f3.1)
manual mode not possible
lack of image stabilization
low MP (12 megapixels)
tiny sensor (1/2.3")
has no RAW files
lack of Time Lapse function
71
has manual focus
change lenses (Sony/Minolta Alpha mount)
screen size is good (3")
built in image stabilization (Sensor based)
decent megapixels (24MP)
sensor size is good (APS-C)
exports RAW files
weather proof
not so great battery power (470 shots)
no Time Lapse mode
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Vlogging Comparison

Sony S2100 Vlogging advice
Sony A77 Vlogging advice
22
wide angle not fantastic (33mm)
somewhat slow max aperture (f3.1)
display is not selfie friendly
lack of image stabilization
video res low (640 x 480 resolution)
lack of external mic socket
76
screen is selfie friendly
built in image stabilization (Sensor based)
supports face detect focusing
video resolution high (1920 x 1080 pxls)
does have mic jack
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Sony S2100 vs Sony A77 Specifications

Detailed spec comparison table for Sony S2100 and Sony A77
 Sony Cyber-shot DSC-S2100Sony SLT-A77
General Information
Company Sony Sony
Model Sony Cyber-shot DSC-S2100 Sony SLT-A77
Type Small Sensor Compact Advanced DSLR
Launched 2010-01-07 2011-10-25
Body design Compact Mid-size SLR
Sensor Information
Processor Chip Bionz Bionz
Sensor type CCD CMOS
Sensor size 1/2.3" APS-C
Sensor dimensions 6.17 x 4.55mm 23.5 x 15.6mm
Sensor surface area 28.1mm² 366.6mm²
Sensor resolution 12 megapixels 24 megapixels
Anti aliasing filter
Aspect ratio 4:3, 3:2 and 16:9 3:2 and 16:9
Maximum resolution 4000 x 3000 6000 x 4000
Maximum native ISO 3200 16000
Maximum boosted ISO - 25600
Lowest native ISO 100 50
RAW photos
Autofocusing
Focus manually
Touch focus
Continuous AF
Single AF
Tracking AF
AF selectice
AF center weighted
AF multi area
Live view AF
Face detection focusing
Contract detection focusing
Phase detection focusing
Number of focus points 9 19
Cross focus points - 11
Lens
Lens mount fixed lens Sony/Minolta Alpha
Lens focal range 33-105mm (3.2x) -
Largest aperture f/3.1-5.6 -
Macro focus distance 5cm -
Total lenses - 143
Crop factor 5.8 1.5
Screen
Screen type Fixed Type Fully Articulated
Screen sizing 3" 3"
Resolution of screen 230 thousand dot 921 thousand dot
Selfie friendly
Liveview
Touch display
Viewfinder Information
Viewfinder None Electronic
Viewfinder resolution - 2,359 thousand dot
Viewfinder coverage - 100%
Viewfinder magnification - 0.73x
Features
Lowest shutter speed 1s 30s
Highest shutter speed 1/1200s 1/8000s
Continuous shooting speed 1.0fps 12.0fps
Shutter priority
Aperture priority
Manual exposure
Exposure compensation - Yes
Set WB
Image stabilization
Integrated flash
Flash range 3.30 m 12.00 m
Flash settings Auto, On, Off, Slow syncro Auto, On, Off, Red-Eye, Slow Sync, High Speed Sync, Rear Curtain, Fill-in, Wireless
External flash
Auto exposure bracketing
White balance bracketing
Highest flash sync - 1/250s
Exposure
Multisegment
Average
Spot
Partial
AF area
Center weighted
Video features
Video resolutions 640 x 480 (30 fps), 320 x 240 (30 fps) 1920 x 1080 (60, 24 fps), 1440 x 1080 (30fps), 640 x 424 (29.97 fps)
Maximum video resolution 640x480 1920x1080
Video file format Motion JPEG MPEG-4, AVCHD, H.264
Mic input
Headphone input
Connectivity
Wireless None Eye-Fi Connected
Bluetooth
NFC
HDMI
USB USB 2.0 (480 Mbit/sec) USB 2.0 (480 Mbit/sec)
GPS None BuiltIn
Physical
Environment seal
Water proof
Dust proof
Shock proof
Crush proof
Freeze proof
Weight 167 gr (0.37 lb) 732 gr (1.61 lb)
Dimensions 98 x 61 x 27mm (3.9" x 2.4" x 1.1") 143 x 104 x 81mm (5.6" x 4.1" x 3.2")
DXO scores
DXO All around score not tested 78
DXO Color Depth score not tested 24.0
DXO Dynamic range score not tested 13.2
DXO Low light score not tested 801
Other
Battery life - 470 images
Type of battery - Battery Pack
Battery model 2 x AA NP-FM500H
Self timer Yes (2 or 10 sec) Yes (2 or 10 sec)
Time lapse recording
Type of storage Memory Stick Duo/Pro Duo, optional SD, Internal SD/SDHC/SDXC/Memory Stick Pro Duo/ Pro-HG Duo
Storage slots One One
Cost at launch $0 $900