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Sony TX66 vs Sony A55

Portability
97
Imaging
42
Features
51
Overall
45
Sony Cyber-shot DSC-TX66 front
 
Sony SLT-A55 front
Portability
67
Imaging
56
Features
80
Overall
65

Sony TX66 vs Sony A55 Key Specs

Sony TX66
(Full Review)
  • 18MP - 1/2.3" Sensor
  • 3.3" Fixed Screen
  • ISO 80 - 12800
  • Optical Image Stabilization
  • 1920 x 1080 video
  • 26-130mm (F3.5-4.8) lens
  • 109g - 93 x 54 x 13mm
  • Revealed February 2012
Sony A55
(Full Review)
  • 16MP - APS-C Sensor
  • 3" Fully Articulated Display
  • ISO 100 - 12800 (Bump to 25600)
  • Sensor based Image Stabilization
  • 1920 x 1080 video
  • Sony/Minolta Alpha Mount
  • 500g - 124 x 92 x 85mm
  • Introduced August 2010
  • Newer Model is Sony A57
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Sony TX66 vs Sony A55 Overview

Its time to take a more detailed look at the Sony TX66 vs Sony A55, former is a Ultracompact while the other is a Entry-Level DSLR and they are both designed by Sony. The image resolution of the TX66 (18MP) and the A55 (16MP) is very well matched but the TX66 (1/2.3") and A55 (APS-C) possess totally different sensor measurements.

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The TX66 was revealed 19 months after the A55 making the cameras a generation away from one another. Both of the cameras come with different body type with the Sony TX66 being a Ultracompact camera and the Sony A55 being a Compact SLR camera.

Before going straight into a in-depth comparison, below is a short introduction of how the TX66 matches up against the A55 for portability, imaging, features and an overall score.

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Reasons to pick Sony TX66 over the Sony A55

 TX66 A55 
IntroducedFebruary 2012August 2010More modern by 19 months
Display dimension3.3"3"Larger display (+0.3")
Display resolution1230k921kSharper display (+309k dot)
Touch display Easily navigate

Reasons to pick Sony A55 over the Sony TX66

 A55 TX66 
Display typeFully ArticulatedFixed Fully Articulating display
Selfie screen Easy selfies

Common features in the Sony TX66 and Sony A55

 TX66 A55 
Manually focus Dial exact focus

Sony TX66 vs Sony A55 Physical Comparison

In case you're going to carry around your camera, you're going to have to think about its weight and volume. The Sony TX66 provides outside dimensions of 93mm x 54mm x 13mm (3.7" x 2.1" x 0.5") accompanied by a weight of 109 grams (0.24 lbs) and the Sony A55 has sizing of 124mm x 92mm x 85mm (4.9" x 3.6" x 3.3") and a weight of 500 grams (1.10 lbs).

Check out the Sony TX66 vs Sony A55 in our brand new Camera plus Lens Size Comparison Tool. Camera Size Comparison with Lenses

Bear in mind, the weight of an ILC will change depending on the lens you have attached at that moment. Underneath is the front view scale comparison of the TX66 and the A55.

Sony TX66 vs Sony A55 size comparison

Taking into consideration dimensions and weight, the portability score of the TX66 and A55 is 97 and 67 respectively.

Sony TX66 vs Sony A55 top view buttons comparison

Sony TX66 vs Sony A55 Sensor Comparison

Quite often, it is hard to envision the difference between sensor sizes only by reading through technical specs. The pic here should offer you a stronger sense of the sensor dimensions in the TX66 and A55.

As you can tell, both of those cameras posses different megapixels and different sensor sizes. The TX66 using its tinier sensor will make shooting shallow DOF trickier and the Sony TX66 will resolve greater detail because of its extra 2MP. Greater resolution will make it easier to crop pics somewhat more aggressively. The younger TX66 will have an advantage in sensor innovation.

Sony TX66 vs Sony A55 sensor size comparison

Sony TX66 vs Sony A55 Screen and ViewFinder

Sony TX66 vs Sony A55 Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Sony TX66 as a Portrait photography camera
Sony A55 as a Portrait photography camera
42
has manual focus
decent megapixels (18 megapixels)
comes with face detection focusing
no manual control
external flash not possible
tiny sensor (1/2.3")
lacks RAW format
73
you can focus manually
sensor resolution is decent (16 megapixels)
sensor size is nice (APS-C)
offers face detect autofocus
supports RAW files
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Street Comparison

Street photography with Sony TX66
Street photography with Sony A55
64
built in image stabilization (Optical)
supports focus via touch
fixed screen
tiny sensor (1/2.3")
lacks RAW format
77
screen can move to multiple angles
built in image stabilization (Sensor based)
sensor size is nice (APS-C)
supports RAW files
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Sports Comparison

Sony TX66 Sports photography information
Sony A55 Sports photography information
49
built in image stabilization (Optical)
decent megapixels (18MP)
comes with tracking autofocus
great battery power (250 CIPA)
no shutter priority mode
tiny sensor (1/2.3")
lacks phase detect AF
68
built in image stabilization (Sensor based)
sensor resolution is decent (16 megapixels)
sensor size is nice (APS-C)
has phase detect autofocus
low battery pack (380 per charge)
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Travel Comparison

Sony TX66 Travel photography information
Sony A55 Travel photography information
72
great battery power (250 per charge)
supports focus via touch
decent megapixels (18 megapixels)
built-in flash
pretty wide (26mm)
lack of Time Lapse function
screen is not selfie friendly
somewhat slow max aperture (f3.5)
62
sensor resolution is decent (16 megapixels)
built-in flash
selfie friendly display
doesn't have Time Lapse mode
low battery pack (380 CIPA)
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Landscape Comparison

Sony TX66 Landscape photography advice
Sony A55 Landscape photography advice
51
has manual focus
pretty wide (26mm)
nice screen size (3.3 inch)
built in image stabilization (Optical)
decent megapixels (18MP)
great battery power (250 shots)
fixed lens (fixed lens mount)
somewhat slow max aperture (f3.5)
no manual control
tiny sensor (1/2.3")
lacks RAW format
lack of Time Lapse function
67
you can focus manually
change lenses (Sony/Minolta Alpha mount)
decent sized screen (3 inches)
built in image stabilization (Sensor based)
sensor resolution is decent (16MP)
sensor size is nice (APS-C)
supports RAW files
low battery pack (380 CIPA)
doesn't have Time Lapse mode
Photography Glossary

Vlogging Comparison

Sony TX66 Vlogging info
Sony A55 Vlogging info
36
pretty wide (26mm)
touchscreen
built in image stabilization (Optical)
comes with face detection focusing
high res video (1920 x 1080 resolution)
somewhat slow max aperture (f3.5)
screen is not selfie friendly
lack of external mic socket
78
selfie friendly display
built in image stabilization (Sensor based)
offers face detect autofocus
good video quality (1920 x 1080 pixels)
has mic port
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Sony TX66 vs Sony A55 Specifications

Detailed spec comparison table for Sony TX66 and Sony A55
 Sony Cyber-shot DSC-TX66Sony SLT-A55
General Information
Manufacturer Sony Sony
Model Sony Cyber-shot DSC-TX66 Sony SLT-A55
Class Ultracompact Entry-Level DSLR
Revealed 2012-02-28 2010-08-24
Body design Ultracompact Compact SLR
Sensor Information
Processor Chip BIONZ Bionz
Sensor type BSI-CMOS 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 18 megapixels 16 megapixels
Anti aliasing filter
Aspect ratio 4:3 and 16:9 3:2 and 16:9
Peak resolution 4896 x 3672 4912 x 3264
Highest native ISO 12800 12800
Highest enhanced ISO - 25600
Lowest native ISO 80 100
RAW format
Autofocusing
Manual focus
AF touch
AF continuous
Single AF
Tracking AF
Selective AF
AF center weighted
Multi area AF
AF live view
Face detection AF
Contract detection AF
Phase detection AF
Number of focus points - 15
Cross focus points - 3
Lens
Lens mounting type fixed lens Sony/Minolta Alpha
Lens focal range 26-130mm (5.0x) -
Max aperture f/3.5-4.8 -
Macro focus distance 1cm -
Total lenses - 143
Crop factor 5.8 1.5
Screen
Range of screen Fixed Type Fully Articulated
Screen sizing 3.3 inch 3 inch
Screen resolution 1,230k dot 921k dot
Selfie friendly
Liveview
Touch display
Screen technology XtraFine TruBlack OLED display -
Viewfinder Information
Viewfinder type None Electronic
Viewfinder resolution - 1,150k dot
Viewfinder coverage - 100 percent
Viewfinder magnification - 0.73x
Features
Min shutter speed 30 secs 30 secs
Max shutter speed 1/4000 secs 1/4000 secs
Continuous shutter speed 10.0 frames/s 10.0 frames/s
Shutter priority
Aperture priority
Manual exposure
Exposure compensation - Yes
Change WB
Image stabilization
Inbuilt flash
Flash range 3.10 m 10.00 m (@ ISO 100)
Flash options Auto, On, Off, Slow Sync, Rear Slow Sync Auto, On, Off, Red-Eye, Slow Sync, High Speed Sync, Rear Curtain, Fill-in, Wireless
Hot shoe
AEB
WB bracketing
Max flash sync - 1/160 secs
Exposure
Multisegment exposure
Average exposure
Spot exposure
Partial exposure
AF area exposure
Center weighted exposure
Video features
Supported video resolutions 1920 x 1080 (60 fps), 1440 x 1080 (60, 30 fps), 1280 x 720 (30 fps), 640 x 480 (30 fps) 1920 x 1080 (60, 29.97 fps), 1440 x 1080 (30fps), 640 x 424 (29.97 fps)
Highest video resolution 1920x1080 1920x1080
Video file format MPEG-4, AVCHD MPEG-4, AVCHD, H.264
Mic jack
Headphone jack
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 109 gr (0.24 pounds) 500 gr (1.10 pounds)
Dimensions 93 x 54 x 13mm (3.7" x 2.1" x 0.5") 124 x 92 x 85mm (4.9" x 3.6" x 3.3")
DXO scores
DXO Overall score not tested 73
DXO Color Depth score not tested 23.0
DXO Dynamic range score not tested 12.4
DXO Low light score not tested 816
Other
Battery life 250 photos 380 photos
Form of battery Battery Pack Battery Pack
Battery model NP-BN NP-FW50
Self timer Yes (2 or 10 sec, Portrait 1/2) Yes (2 or 10 sec)
Time lapse recording
Storage media Memory Stick Duo/Pro Duo/Pro-HG Duo, microSD/microSDHC SD/SDHC/SDXC/Memory Stick Pro Duo/ Pro-HG Duo
Storage slots Single Single
Pricing at release $350 $800