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Sony TX9 vs Sony A55

Portability
95
Imaging
35
Features
40
Overall
37
Sony Cyber-shot DSC-TX9 front
 
Sony SLT-A55 front
Portability
67
Imaging
56
Features
80
Overall
65

Sony TX9 vs Sony A55 Key Specs

Sony TX9
(Full Review)
  • 12MP - 1/2.3" Sensor
  • 3.5" Fixed Display
  • ISO 125 - 3200
  • Optical Image Stabilization
  • 1920 x 1080 video
  • 25-100mm (F3.5-4.6) lens
  • 149g - 98 x 60 x 18mm
  • Introduced July 2010
Sony A55
(Full Review)
  • 16MP - APS-C Sensor
  • 3" Fully Articulated Display
  • ISO 100 - 12800 (Push to 25600)
  • Sensor based Image Stabilization
  • 1920 x 1080 video
  • Sony/Minolta Alpha Mount
  • 500g - 124 x 92 x 85mm
  • Announced August 2010
  • Successor is Sony A57
Photography Glossary

Sony TX9 vs Sony A55 Overview

Its time to look a little more in depth at the Sony TX9 vs Sony A55, one is a Ultracompact and the other is a Entry-Level DSLR and they are both manufactured by Sony. There exists a significant gap among the resolutions of the TX9 (12MP) and A55 (16MP) and the TX9 (1/2.3") and A55 (APS-C) provide different sensor size.

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The TX9 was released at a similar time to the A55 and they are of a similar generation. Both the cameras feature different body design with the Sony TX9 being a Ultracompact camera and the Sony A55 being a Compact SLR camera.

Before going right into a thorough comparison, here is a short summary of how the TX9 scores against the A55 in terms of portability, imaging, features and an overall score.

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Reasons to pick Sony TX9 over the Sony A55

 TX9 A55 
Display size3.5"3"Larger display (+0.5")
Display resolution922k921kSharper display (+1k dot)
Touch display Easily navigate

Reasons to pick Sony A55 over the Sony TX9

 A55 TX9 
Display typeFully ArticulatedFixed Fully Articulating display
Selfie screen Take selfies

Common features in the Sony TX9 and Sony A55

 TX9 A55 
AnnouncedJuly 2010August 2010Same generation
Manual focus Very accurate focusing

Sony TX9 vs Sony A55 Physical Comparison

For anyone who is looking to carry around your camera frequently, you're going to have to factor its weight and dimensions. The Sony TX9 enjoys external measurements of 98mm x 60mm x 18mm (3.9" x 2.4" x 0.7") along with a weight of 149 grams (0.33 lbs) and the Sony A55 has dimensions of 124mm x 92mm x 85mm (4.9" x 3.6" x 3.3") along with a weight of 500 grams (1.10 lbs).

See the Sony TX9 vs Sony A55 in the new Camera and Lens Size Comparison Tool. Camera Size Comparison with Lenses

Always remember, the weight of an Interchangeable Lens Camera will differ dependant on the lens you select during that time. The following is a front view measurements comparison of the TX9 compared to the A55.

Sony TX9 vs Sony A55 size comparison

Considering dimensions and weight, the portability score of the TX9 and A55 is 95 and 67 respectively.

Sony TX9 vs Sony A55 top view buttons comparison

Sony TX9 vs Sony A55 Sensor Comparison

Quite often, it is hard to imagine the contrast in sensor sizes purely by seeing specifications. The image underneath will help provide you a clearer sense of the sensor sizing in the TX9 and A55.

Plainly, both of these cameras feature different resolutions and different sensor sizes. The TX9 due to its smaller sensor is going to make getting shallow depth of field tougher and the Sony A55 will show more detail as a result of its extra 4 Megapixels. Greater resolution will allow you to crop images way more aggressively.

Sony TX9 vs Sony A55 sensor size comparison

Sony TX9 vs Sony A55 Screen and ViewFinder

Sony TX9 vs Sony A55 Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Sony TX9 as a Portrait photography camera
Sony A55 as a Portrait photography camera
27
focusing manually
manual mode not possible
no external flash support
megapixel count low (12 megapixels)
sensor is very small (1/2.3")
doesn't have RAW support
73
focusing manually
good resolution (16MP)
nice sensor size (APS-C)
supports face detection focusing
delivers RAW files
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Street Comparison

Street photography with Sony TX9
Street photography with Sony A55
60
built in image stabilization (Optical)
comes with touch focus
no articulating screen
sensor is very small (1/2.3")
doesn't have RAW support
more heavy than competitors in class (149 grams)
77
fully articulated screen
has image stabilization (Sensor based)
nice sensor size (APS-C)
delivers RAW files
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Sports Comparison

Sony TX9 Sports photography factors
Sony A55 Sports photography factors
34
built in image stabilization (Optical)
has tracking autofocus
lack of shutter priority mode
megapixel count low (12 megapixels)
sensor is very small (1/2.3")
doesn't have phase detect autofocus
68
has image stabilization (Sensor based)
good resolution (16MP)
nice sensor size (APS-C)
supports phase detect AF
not so great battery life (380 shots)
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Travel Comparison

Sony TX9 Travel photography highlights
Sony A55 Travel photography highlights
60
comes with touch focus
has built in flash
reasonably wide (25mm)
missing Timelapse mode
more heavy than competitors in class (149 grams)
megapixel count low (12MP)
does not posses selfie friendly screen
somewhat slow maximum aperture (f3.5)
62
good resolution (16 megapixels)
built-in flash
screen is selfie friendly
no Timelapse recording
not so great battery life (380 shots)
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Landscape Comparison

Sony TX9 Landscape photography highlights
Sony A55 Landscape photography highlights
41
focusing manually
reasonably wide (25mm)
screen larger than average (3.5 inch)
built in image stabilization (Optical)
lens is fixed (fixed lens mount)
somewhat slow maximum aperture (f3.5)
manual mode not possible
megapixel count low (12 megapixels)
sensor is very small (1/2.3")
doesn't have RAW support
missing Timelapse mode
67
focusing manually
switch lenses (Sony/Minolta Alpha mount)
nice screen size (3 inches)
has image stabilization (Sensor based)
good resolution (16 megapixels)
nice sensor size (APS-C)
delivers RAW files
not so great battery life (380 CIPA)
no Timelapse recording
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Vlogging Comparison

Sony TX9 Vlogging information
Sony A55 Vlogging information
32
reasonably wide (25mm)
touchscreen
built in image stabilization (Optical)
high res video (1920 x 1080 pixels)
somewhat slow maximum aperture (f3.5)
does not posses selfie friendly screen
missing external microphone support
more heavy than competitors in class (149g)
78
screen is selfie friendly
has image stabilization (Sensor based)
supports face detection focusing
video res high (1920 x 1080 resolution)
comes with external microphone port
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Sony TX9 vs Sony A55 Specifications

Detailed spec comparison table for Sony TX9 and Sony A55
 Sony Cyber-shot DSC-TX9Sony SLT-A55
General Information
Company Sony Sony
Model Sony Cyber-shot DSC-TX9 Sony SLT-A55
Class Ultracompact Entry-Level DSLR
Introduced 2010-07-08 2010-08-24
Body design Ultracompact Compact SLR
Sensor Information
Chip Bionz Bionz
Sensor type BSI-CMOS CMOS
Sensor size 1/2.3" APS-C
Sensor measurements 6.17 x 4.55mm 23.5 x 15.6mm
Sensor surface area 28.1mm² 366.6mm²
Sensor resolution 12 megapixels 16 megapixels
Anti aliasing filter
Aspect ratio 4:3 and 16:9 3:2 and 16:9
Highest Possible resolution 4000 x 3000 4912 x 3264
Maximum native ISO 3200 12800
Maximum enhanced ISO - 25600
Lowest native ISO 125 100
RAW files
Autofocusing
Focus manually
Touch focus
Continuous AF
AF single
Tracking AF
AF selectice
Center weighted AF
AF multi area
Live view AF
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 25-100mm (4.0x) -
Highest aperture f/3.5-4.6 -
Macro focus distance 1cm -
Amount of lenses - 143
Crop factor 5.8 1.5
Screen
Range of display Fixed Type Fully Articulated
Display diagonal 3.5 inch 3 inch
Display resolution 922 thousand dot 921 thousand dot
Selfie friendly
Liveview
Touch display
Viewfinder Information
Viewfinder None Electronic
Viewfinder resolution - 1,150 thousand dot
Viewfinder coverage - 100%
Viewfinder magnification - 0.73x
Features
Minimum shutter speed 2 secs 30 secs
Fastest shutter speed 1/1600 secs 1/4000 secs
Continuous shutter speed 10.0 frames/s 10.0 frames/s
Shutter priority
Aperture priority
Expose Manually
Exposure compensation - Yes
Set WB
Image stabilization
Built-in flash
Flash range 3.80 m 10.00 m (@ ISO 100)
Flash options Auto, On, Off, Slow syncro Auto, On, Off, Red-Eye, Slow Sync, High Speed Sync, Rear Curtain, Fill-in, Wireless
External flash
AE bracketing
White balance bracketing
Fastest flash sync - 1/160 secs
Exposure
Multisegment metering
Average metering
Spot metering
Partial metering
AF area metering
Center weighted metering
Video features
Video resolutions 1920 x 1080 (50 fps), 1440 x 1080 (50, 25fps), 1280 x 720 (25 fps), 640 x 480 (25 fps) 1920 x 1080 (60, 29.97 fps), 1440 x 1080 (30fps), 640 x 424 (29.97 fps)
Maximum video resolution 1920x1080 1920x1080
Video format AVCHD MPEG-4, AVCHD, H.264
Microphone jack
Headphone jack
Connectivity
Wireless Eye-Fi Connected 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 149g (0.33 lbs) 500g (1.10 lbs)
Physical dimensions 98 x 60 x 18mm (3.9" x 2.4" x 0.7") 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 - 380 photographs
Type of battery - Battery Pack
Battery model NP-BN1 NP-FW50
Self timer Yes (2 sec or 10 sec, portrait1/ portrait2) Yes (2 or 10 sec)
Time lapse recording
Type of storage SD/ SDHC/ SDXC, Memory Stick Duo/Pro Duo, Internal SD/SDHC/SDXC/Memory Stick Pro Duo/ Pro-HG Duo
Storage slots One One
Retail pricing $799 $800