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Sony T900 vs Sony A57

Portability
96
Imaging
35
Features
30
Overall
33
Sony Cyber-shot DSC-T900 front
 
Sony SLT-A57 front
Portability
64
Imaging
58
Features
85
Overall
68

Sony T900 vs Sony A57 Key Specs

Sony T900
(Full Review)
  • 12MP - 1/2.3" Sensor
  • 3.5" Fixed Display
  • ISO 80 - 3200
  • Optical Image Stabilization
  • 1280 x 720 video
  • 35-140mm (F3.5-10.0) lens
  • 143g - 98 x 58 x 16mm
  • Released February 2009
Sony A57
(Full Review)
  • 16MP - APS-C Sensor
  • 3" Fully Articulated Display
  • ISO 100 - 16000 (Increase to 25600)
  • Sensor based Image Stabilization
  • 1920 x 1080 video
  • Sony/Minolta Alpha Mount
  • 618g - 132 x 98 x 81mm
  • Launched September 2012
  • Older Model is Sony A55
  • Renewed by Sony A58
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Sony T900 vs Sony A57 Overview

On this page, we are evaluating the Sony T900 vs Sony A57, one being a Ultracompact and the other is a Entry-Level DSLR and both are offered by Sony. There is a huge difference among the image resolutions of the T900 (12MP) and A57 (16MP) and the T900 (1/2.3") and A57 (APS-C) offer totally different sensor sizes.

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The T900 was introduced 4 years before the A57 and that is a fairly significant gap as far as camera tech is concerned. Both of these cameras have different body design with the Sony T900 being a Ultracompact camera and the Sony A57 being a Compact SLR camera.

Before we go into a detailed comparison, here is a quick summation of how the T900 scores against the A57 in the way of portability, imaging, features and an overall rating.

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Reasons to pick Sony T900 over the Sony A57

 T900 A57 
Display dimensions3.5"3"Larger display (+0.5")
Display resolution922k921kCrisper display (+1k dot)
Touch friendly display Easily navigate

Reasons to pick Sony A57 over the Sony T900

 A57 T900 
LaunchedSeptember 2012February 2009Fresher by 43 months
Display typeFully ArticulatedFixed Fully Articulating display
Selfie screen Take selfies

Common features in the Sony T900 and Sony A57

 T900 A57 
Manual focus More accurate focus

Sony T900 vs Sony A57 Physical Comparison

When you are aiming to carry your camera often, you should think about its weight and dimensions. The Sony T900 features outside dimensions of 98mm x 58mm x 16mm (3.9" x 2.3" x 0.6") with a weight of 143 grams (0.32 lbs) while the Sony A57 has dimensions of 132mm x 98mm x 81mm (5.2" x 3.9" x 3.2") accompanied by a weight of 618 grams (1.36 lbs).

Look at the Sony T900 vs Sony A57 in the all new Camera with Lens Size Comparison Tool. Camera Size Comparison with Lenses

Bear in mind, the weight of an Interchangeable Lens Camera will differ based on the lens you select at the time. Here is a front view scale comparison of the T900 compared to the A57.

Sony T900 vs Sony A57 size comparison

Taking into consideration size and weight, the portability grade of the T900 and A57 is 96 and 64 respectively.

Sony T900 vs Sony A57 top view buttons comparison

Sony T900 vs Sony A57 Sensor Comparison

Often, it is hard to see the gap in sensor sizing purely by researching specs. The photograph below should give you a better sense of the sensor dimensions in the T900 and A57.

All in all, both cameras provide different resolutions and different sensor sizing. The T900 using its smaller sensor will make getting shallow depth of field harder and the Sony A57 will render greater detail using its extra 4 Megapixels. Greater resolution will also let you crop pics more aggressively. The older T900 will be behind when it comes to sensor tech.

Sony T900 vs Sony A57 sensor size comparison

Sony T900 vs Sony A57 Screen and ViewFinder

Sony T900 vs Sony A57 Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Sony T900 Portrait photography highlights
Sony A57 Portrait photography highlights
27
manual focus
lack of manual mode
can't use external flash
sensor resolution not great (12MP)
sensor is very small (1/2.3")
lack of RAW support
74
you can focus manually
good megapixels (16 megapixels)
good sensor size (APS-C)
supports face detect focus
supports RAW files
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Street Comparison

Sony T900 Street photography features
Sony A57 Street photography features
57
has image stabilization (Optical)
no articulating screen
sensor is very small (1/2.3")
lack of RAW support
76
screen articulates fully
image stabilization (Sensor based)
good sensor size (APS-C)
supports RAW files
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Sports Comparison

Sony T900 Sports photography information
Sony A57 Sports photography information
24
has image stabilization (Optical)
low maximum shutter speed (1/1,000 seconds)
slow frames per second (2.0 frames per second)
lack of shutter priority mode
sensor resolution not great (12MP)
sensor is very small (1/2.3")
lack of phase detect auto focus
79
image stabilization (Sensor based)
good megapixels (16MP)
good sensor size (APS-C)
supports tracking focus
has phase detect auto focus
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Travel Comparison

Sony T900 Travel photography information
Sony A57 Travel photography information
52
flash built-in
missing Time Lapse recording
sensor resolution not great (12MP)
doesn't posses selfie friendly screen
wide angle not great (35mm)
somewhat slow max aperture (f3.5)
67
good megapixels (16 megapixels)
built-in flash
selfie friendly screen
doesn't have Time Lapse recording
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Landscape Comparison

Sony T900 Landscape photography advice
Sony A57 Landscape photography advice
37
manual focus
lovely big screen (3.5")
has image stabilization (Optical)
lens is fixed (fixed lens mount)
wide angle not great (35mm)
somewhat slow max aperture (f3.5)
lack of manual mode
sensor resolution not great (12 megapixels)
sensor is very small (1/2.3")
lack of RAW support
missing Time Lapse recording
73
you can focus manually
interchangeable lenses (Sony/Minolta Alpha mount)
good sized screen (3 inch)
image stabilization (Sensor based)
good megapixels (16MP)
good sensor size (APS-C)
supports RAW files
doesn't have Time Lapse recording
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Vlogging Comparison

Sony T900 Vlogging factors
Sony A57 Vlogging factors
28
touch screen
has image stabilization (Optical)
wide angle not great (35mm)
somewhat slow max aperture (f3.5)
doesn't posses selfie friendly screen
low quality video (1280 x 720 resolution)
missing external mic support
77
selfie friendly screen
image stabilization (Sensor based)
supports face detect focus
video resolution high (1920 x 1080 pxls)
has mic socket
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Sony T900 vs Sony A57 Specifications

Detailed spec comparison table for Sony T900 and Sony A57
 Sony Cyber-shot DSC-T900Sony SLT-A57
General Information
Company Sony Sony
Model Sony Cyber-shot DSC-T900 Sony SLT-A57
Class Ultracompact Entry-Level DSLR
Released 2009-02-17 2012-09-13
Physical type Ultracompact Compact SLR
Sensor Information
Sensor type CCD CMOS
Sensor size 1/2.3" APS-C
Sensor dimensions 6.17 x 4.55mm 23.5 x 15.6mm
Sensor area 28.1mm² 366.6mm²
Sensor resolution 12 megapixels 16 megapixels
Anti aliasing filter
Aspect ratio 4:3, 3:2 and 16:9 3:2 and 16:9
Peak resolution 4000 x 3000 4912 x 3264
Highest native ISO 3200 16000
Highest enhanced ISO - 25600
Min native ISO 80 100
RAW photos
Autofocusing
Manual focus
Touch to focus
AF continuous
Single AF
Tracking AF
Selective AF
Center weighted AF
Multi area AF
AF live view
Face detect focusing
Contract detect focusing
Phase detect focusing
Number of focus points 9 15
Cross focus points - 3
Lens
Lens mounting type fixed lens Sony/Minolta Alpha
Lens focal range 35-140mm (4.0x) -
Highest aperture f/3.5-10.0 -
Available lenses - 143
Crop factor 5.8 1.5
Screen
Type of display Fixed Type Fully Articulated
Display sizing 3.5" 3"
Display resolution 922 thousand dots 921 thousand dots
Selfie friendly
Liveview
Touch screen
Display technology - Xtra Fine TFT drive with TruBlack technology
Viewfinder Information
Viewfinder type None Electronic
Viewfinder resolution - 1,440 thousand dots
Viewfinder coverage - 100%
Viewfinder magnification - 0.7x
Features
Min shutter speed 2 seconds 30 seconds
Max shutter speed 1/1000 seconds 1/4000 seconds
Continuous shutter rate 2.0 frames/s 12.0 frames/s
Shutter priority
Aperture priority
Manually set exposure
Exposure compensation - Yes
Change WB
Image stabilization
Inbuilt flash
Flash range 2.90 m (Auto ISO) 10.00 m (@ ISO 100)
Flash options Auto, On, Off, Red-Eye reduction, Slow Sync Auto, On, Off, Red-Eye, Slow Sync, High Speed Sync, Rear Curtain, Fill-in, Wireless
External flash
Auto exposure bracketing
WB bracketing
Max flash synchronize - 1/160 seconds
Exposure
Multisegment exposure
Average exposure
Spot exposure
Partial exposure
AF area exposure
Center weighted exposure
Video features
Supported video resolutions 1280 x 720 (30 fps) 640 x 480 (30 fps) 1920 x 1080 (60p, 24p), 1440 x 1080 (30p), 640 x 480 (30 fps)
Highest video resolution 1280x720 1920x1080
Video file format Motion JPEG MPEG-4, AVCHD, H.264
Mic port
Headphone port
Connectivity
Wireless None Eye-Fi Connected
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 143 gr (0.32 lb) 618 gr (1.36 lb)
Physical dimensions 98 x 58 x 16mm (3.9" x 2.3" x 0.6") 132 x 98 x 81mm (5.2" x 3.9" x 3.2")
DXO scores
DXO Overall score not tested 75
DXO Color Depth score not tested 23.4
DXO Dynamic range score not tested 13.0
DXO Low light score not tested 785
Other
Battery life - 550 images
Battery type - Battery Pack
Battery model - NP-FM500H
Self timer Yes (2 or 10 sec) Yes (2 or 10 sec)
Time lapse recording
Storage type Memory Stick Duo / Pro Duo, Internal SD/SDHC/SDXC/Memory Stick Pro Duo/ Pro-HG Duo
Card slots 1 1
Retail price $300 $1,000