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Sony T90 vs Sony A57

Portability
96
Imaging
34
Features
26
Overall
30
Sony Cyber-shot DSC-T90 front
 
Sony SLT-A57 front
Portability
64
Imaging
57
Features
85
Overall
68

Sony T90 vs Sony A57 Key Specs

Sony T90
(Full Review)
  • 12MP - 1/2.3" Sensor
  • 3" Fixed Display
  • ISO 80 - 3200
  • Optical Image Stabilization
  • 1280 x 720 video
  • 35-140mm (F3.5-10.0) lens
  • 148g - 94 x 57 x 15mm
  • Released February 2009
Sony A57
(Full Review)
  • 16MP - APS-C Sensor
  • 3" Fully Articulated Display
  • ISO 100 - 16000 (Expand to 25600)
  • Sensor based Image Stabilization
  • 1920 x 1080 video
  • Sony/Minolta Alpha Mount
  • 618g - 132 x 98 x 81mm
  • Introduced September 2012
  • Replaced the Sony A55
  • Renewed by Sony A58
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Sony T90 vs Sony A57 Overview

In this article, we are contrasting the Sony T90 vs Sony A57, former being a Ultracompact while the other is a Entry-Level DSLR and both are built by Sony. There exists a sizable gap among the sensor resolutions of the T90 (12MP) and A57 (16MP) and the T90 (1/2.3") and A57 (APS-C) feature totally different sensor sizes.

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The T90 was launched 4 years prior to the A57 and that is a fairly significant difference as far as camera technology is concerned. Both the cameras offer different body type with the Sony T90 being a Ultracompact camera and the Sony A57 being a Compact SLR camera.

Before going in to a step-by-step comparison, below is a concise highlight of how the T90 scores vs the A57 in relation to portability, imaging, features and an overall rating.

Photography Glossary
	
	

Reasons to pick Sony T90 over the Sony A57

 T90 A57 
Touch display Easily navigate

Reasons to pick Sony A57 over the Sony T90

 A57 T90 
IntroducedSeptember 2012February 2009Fresher by 43 months
Display typeFully ArticulatedFixed Fully Articulating display
Display resolution921k230kSharper display (+691k dot)
Selfie screen Easy selfies

Common features in the Sony T90 and Sony A57

 T90 A57 
Manually focus Very accurate focusing
Display sizing3"3"Equivalent display dimensions

Sony T90 vs Sony A57 Physical Comparison

When you are intending to carry your camera often, you need to factor its weight and dimensions. The Sony T90 has got outside measurements of 94mm x 57mm x 15mm (3.7" x 2.2" x 0.6") with a weight of 148 grams (0.33 lbs) whilst the Sony A57 has dimensions of 132mm x 98mm x 81mm (5.2" x 3.9" x 3.2") having a weight of 618 grams (1.36 lbs).

Contrast the Sony T90 vs Sony A57 in our brand new Camera plus Lens Size Comparison Tool. Camera Size Comparison with Lenses

Keep in mind, the weight of an ILC will differ dependant on the lens you are utilising at that time. Following is the front view sizing comparison of the T90 and the A57.

Sony T90 vs Sony A57 size comparison

Considering dimensions and weight, the portability score of the T90 and A57 is 96 and 64 respectively.

Sony T90 vs Sony A57 top view buttons comparison

Sony T90 vs Sony A57 Sensor Comparison

Typically, it can be tough to see the difference in sensor sizing merely by viewing technical specs. The graphic below should give you a much better sense of the sensor sizing in the T90 and A57.

As you have seen, both the cameras offer different megapixel count and different sensor sizing. The T90 because of its smaller sensor will make getting shallow DOF tougher and the Sony A57 will render extra detail utilizing its extra 4 Megapixels. Greater resolution will let you crop images a little more aggressively. The older T90 will be behind when it comes to sensor tech.

Sony T90 vs Sony A57 sensor size comparison

Sony T90 vs Sony A57 Screen and ViewFinder

Sony T90 vs Sony A57 Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Sony T90 as a Portrait photography camera
Sony A57 as a Portrait photography camera
27
manual focus
manual mode not available
external flash not possible
megapixel count low (12MP)
small sensor (1/2.3")
doesn't have RAW files
74
has manual focus
megapixel count good (16MP)
sensor size is nice (APS-C)
supports face detect focus
delivers RAW files
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Street Comparison

Street photography with Sony T90
Street photography with Sony A57
55
built in image stabilization (Optical)
screen does not articulate
small sensor (1/2.3")
doesn't have RAW files
heavier than average in class (148 grams)
75
screen can move to multiple angles
built in image stabilization (Sensor based)
sensor size is nice (APS-C)
delivers RAW files
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Sports Comparison

Sony T90 as a Sports photography camera
Sony A57 as a Sports photography camera
25
built in image stabilization (Optical)
very slow continuous shooting (2.0 frames per second)
no shutter priority
megapixel count low (12 megapixels)
small sensor (1/2.3")
doesn't have phase detect autofocus
78
built in image stabilization (Sensor based)
megapixel count good (16 megapixels)
sensor size is nice (APS-C)
supports tracking focus
comes with phase detect auto focus
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Travel Comparison

Travel photography with Sony T90
Travel photography with Sony A57
50
has built in flash
no Time Lapse recording
heavier than average in class (148g)
megapixel count low (12 megapixels)
doesn't offer selfie friendly display
wide angle not the best (35mm)
slow maximum aperture (f3.5)
67
megapixel count good (16 megapixels)
has built in flash
selfie friendly screen
missing Time Lapse mode
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Landscape Comparison

Sony T90 Landscape photography factors
Sony A57 Landscape photography factors
36
manual focus
good sized screen (3")
built in image stabilization (Optical)
can't swap lens (fixed lens mount)
wide angle not the best (35mm)
slow maximum aperture (f3.5)
manual mode not available
megapixel count low (12 megapixels)
small sensor (1/2.3")
doesn't have RAW files
no Time Lapse recording
72
has manual focus
interchangeable lenses (Sony/Minolta Alpha mount)
screen size is good (3 inch)
built in image stabilization (Sensor based)
megapixel count good (16MP)
sensor size is nice (APS-C)
delivers RAW files
missing Time Lapse mode
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Vlogging Comparison

Sony T90 as a Vlogging camera
Sony A57 as a Vlogging camera
27
has touchscreen
built in image stabilization (Optical)
wide angle not the best (35mm)
slow maximum aperture (f3.5)
doesn't offer selfie friendly display
video quality not great (1280 x 720 pxls)
no external mic support
heavier than average in class (148 grams)
77
selfie friendly screen
built in image stabilization (Sensor based)
supports face detect focus
high quality video (1920 x 1080 pixels)
does have mic jack
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Sony T90 vs Sony A57 Specifications

Detailed spec comparison table for Sony T90 and Sony A57
 Sony Cyber-shot DSC-T90Sony SLT-A57
General Information
Company Sony Sony
Model Sony Cyber-shot DSC-T90 Sony SLT-A57
Category Ultracompact Entry-Level DSLR
Released 2009-02-17 2012-09-13
Body design 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 12MP 16MP
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
Minimum native ISO 80 100
RAW files
Autofocusing
Manual focus
AF touch
Continuous AF
Single AF
Tracking AF
Selective AF
AF center weighted
AF multi area
AF live view
Face detect focusing
Contract detect focusing
Phase detect focusing
Number of focus points 9 15
Cross focus points - 3
Lens
Lens mount fixed lens Sony/Minolta Alpha
Lens focal range 35-140mm (4.0x) -
Largest aperture f/3.5-10.0 -
Available lenses - 143
Crop factor 5.8 1.5
Screen
Display type Fixed Type Fully Articulated
Display size 3" 3"
Resolution of display 230 thousand dot 921 thousand dot
Selfie friendly
Liveview
Touch function
Display technology - Xtra Fine TFT drive with TruBlack technology
Viewfinder Information
Viewfinder type None Electronic
Viewfinder resolution - 1,440 thousand dot
Viewfinder coverage - 100%
Viewfinder magnification - 0.7x
Features
Minimum shutter speed 1 seconds 30 seconds
Fastest shutter speed 1/1600 seconds 1/4000 seconds
Continuous shutter speed 2.0fps 12.0fps
Shutter priority
Aperture priority
Expose Manually
Exposure compensation - Yes
Custom WB
Image stabilization
Integrated flash
Flash range 2.90 m (Auto ISO) 10.00 m (@ ISO 100)
Flash modes Auto, On, Off, Red-Eye reduction, Slow Sync Auto, On, Off, Red-Eye, Slow Sync, High Speed Sync, Rear Curtain, Fill-in, Wireless
Hot shoe
AE bracketing
White balance bracketing
Fastest flash sync - 1/160 seconds
Exposure
Multisegment
Average
Spot
Partial
AF area
Center weighted
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 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 None
Physical
Environment seal
Water proof
Dust proof
Shock proof
Crush proof
Freeze proof
Weight 148 grams (0.33 pounds) 618 grams (1.36 pounds)
Dimensions 94 x 57 x 15mm (3.7" x 2.2" 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 photographs
Form of battery - Battery Pack
Battery model - NP-FM500H
Self timer Yes (2 or 10 sec) Yes (2 or 10 sec)
Time lapse recording
Storage media Memory Stick Duo / Pro Duo, Internal SD/SDHC/SDXC/Memory Stick Pro Duo/ Pro-HG Duo
Storage slots 1 1
Pricing at release $259 $1,000