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Sony TX7 vs Sony A55

Portability
95
Imaging
33
Features
34
Overall
33
Sony Cyber-shot DSC-TX7 front
 
Sony SLT-A55 front
Portability
67
Imaging
56
Features
80
Overall
65

Sony TX7 vs Sony A55 Key Specs

Sony TX7
(Full Review)
  • 10MP - 1/2.4" Sensor
  • 3.5" Fixed Screen
  • ISO 125 - 3200
  • Optical Image Stabilization
  • 1920 x 1080 video
  • 25-100mm (F3.5-4.6) lens
  • 149g - 98 x 60 x 18mm
  • Revealed January 2010
Sony A55
(Full Review)
  • 16MP - APS-C Sensor
  • 3" Fully Articulated Screen
  • ISO 100 - 12800 (Increase to 25600)
  • Sensor based Image Stabilization
  • 1920 x 1080 video
  • Sony/Minolta Alpha Mount
  • 500g - 124 x 92 x 85mm
  • Launched August 2010
  • New Model is Sony A57
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Sony TX7 vs Sony A55 Overview

Its time to look much closer at the Sony TX7 versus Sony A55, former being a Ultracompact while the latter is a Entry-Level DSLR and they are both manufactured by Sony. There exists a large gap between the sensor resolutions of the TX7 (10MP) and A55 (16MP) and the TX7 (1/2.4") and A55 (APS-C) boast totally different sensor size.

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The TX7 was revealed 7 months before the A55 which means that they are both of a similar age. Both of the cameras feature different body design with the Sony TX7 being a Ultracompact camera and the Sony A55 being a Compact SLR camera.

Before we go straight to a in depth comparison, here is a simple synopsis of how the TX7 matches up against the A55 with respect to portability, imaging, features and an overall rating.

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Reasons to pick Sony TX7 over the Sony A55

 TX7 A55 
Screen size3.5"3"Bigger screen (+0.5")
Touch friendly screen Quickly navigate

Reasons to pick Sony A55 over the Sony TX7

 A55 TX7 
LaunchedAugust 2010January 2010Fresher by 7 months
Manual focus Dial accurate focus
Screen typeFully ArticulatedFixed Fully Articulating screen
Selfie screen Take selfies

Common features in the Sony TX7 and Sony A55

 TX7 A55 
Screen resolution921k921kIdentical screen resolution

Sony TX7 vs Sony A55 Physical Comparison

When you are planning to carry your camera frequently, you are going to need to factor in its weight and proportions. The Sony TX7 comes with outer measurements of 98mm x 60mm x 18mm (3.9" x 2.4" x 0.7") and a weight of 149 grams (0.33 lbs) whilst the Sony A55 has measurements of 124mm x 92mm x 85mm (4.9" x 3.6" x 3.3") accompanied by a weight of 500 grams (1.10 lbs).

Analyze the Sony TX7 versus Sony A55 in our completely new Camera & 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 time. The following is a front view scale comparison of the TX7 compared to the A55.

Sony TX7 vs Sony A55 size comparison

Using dimensions and weight, the portability score of the TX7 and A55 is 95 and 67 respectively.

Sony TX7 vs Sony A55 top view buttons comparison

Sony TX7 vs Sony A55 Sensor Comparison

Sometimes, it is very difficult to visualise the contrast between sensor sizing merely by going over specs. The photograph here might provide you a stronger sense of the sensor sizing in the TX7 and A55.

As you can plainly see, the 2 cameras feature different megapixel count and different sensor sizing. The TX7 using its tinier sensor will make shooting bokeh harder and the Sony A55 will offer you more detail because of its extra 6MP. Higher resolution will allow you to crop shots way more aggressively. The older TX7 is going to be behind when it comes to sensor innovation.

Sony TX7 vs Sony A55 sensor size comparison

Sony TX7 vs Sony A55 Screen and ViewFinder

Sony TX7 vs Sony A55 Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Sony TX7 Portrait photography information
Sony A55 Portrait photography information
19
lack of manual focus
no manual exposure
cannot use external flash
low megapixels (10 megapixels)
sensor is tiny (1/2.4")
doesn't have RAW format
73
has manual focus
decent MP (16MP)
sensor size is good (APS-C)
includes face detect focus
supports RAW formats
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Street Comparison

Sony TX7 Street photography info
Sony A55 Street photography info
59
built in image stabilization (Optical)
features focus via touch
fixed screen
sensor is tiny (1/2.4")
doesn't have RAW format
heavier than competitors in class (149g)
77
screen articulates fully
has image stabilization (Sensor based)
sensor size is good (APS-C)
supports RAW formats
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Sports Comparison

Sports photography with Sony TX7
Sports photography with Sony A55
26
built in image stabilization (Optical)
no shutter priority mode
low megapixels (10 megapixels)
sensor is tiny (1/2.4")
doesn't have phase detect autofocus
68
has image stabilization (Sensor based)
decent MP (16MP)
sensor size is good (APS-C)
has phase detect auto focus
terrible battery pack (380 shots)
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Travel Comparison

Sony TX7 Travel photography highlights
Sony A55 Travel photography highlights
59
features focus via touch
built-in flash
really wide (25mm)
no Time Lapse mode
heavier than competitors in class (149g)
low megapixels (10 megapixels)
screen isn't selfie friendly
sluggish max aperture (f3.5)
62
decent MP (16MP)
flash built-in
display is selfie friendly
lack of Time Lapse function
terrible battery pack (380 shots)
Photography Glossary

Landscape Comparison

Landscape photography with Sony TX7
Landscape photography with Sony A55
36
really wide (25mm)
screen larger than average (3.5 inch)
built in image stabilization (Optical)
lack of manual focus
lens is fixed (fixed lens mount)
sluggish max aperture (f3.5)
no manual exposure
low megapixels (10MP)
sensor is tiny (1/2.4")
doesn't have RAW format
no Time Lapse mode
67
has manual focus
change lenses (Sony/Minolta Alpha mount)
screen is a decent size (3")
has image stabilization (Sensor based)
decent MP (16 megapixels)
sensor size is good (APS-C)
supports RAW formats
terrible battery pack (380 CIPA)
lack of Time Lapse function
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Vlogging Comparison

Sony TX7 Vlogging info
Sony A55 Vlogging info
32
really wide (25mm)
touchscreen functionality
built in image stabilization (Optical)
good video quality (1920 x 1080 pxls)
sluggish max aperture (f3.5)
screen isn't selfie friendly
no mic support
heavier than competitors in class (149 grams)
78
display is selfie friendly
has image stabilization (Sensor based)
includes face detect focus
high quality video (1920 x 1080 pxls)
has mic jack
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Sony TX7 vs Sony A55 Specifications

Detailed spec comparison table for Sony TX7 and Sony A55
 Sony Cyber-shot DSC-TX7Sony SLT-A55
General Information
Brand Sony Sony
Model type Sony Cyber-shot DSC-TX7 Sony SLT-A55
Class Ultracompact Entry-Level DSLR
Revealed 2010-01-07 2010-08-24
Body design Ultracompact Compact SLR
Sensor Information
Processor Chip Bionz Bionz
Sensor type BSI-CMOS CMOS
Sensor size 1/2.4" APS-C
Sensor dimensions 6.104 x 4.578mm 23.5 x 15.6mm
Sensor surface area 27.9mm² 366.6mm²
Sensor resolution 10 megapixel 16 megapixel
Anti alias filter
Aspect ratio 4:3 and 16:9 3:2 and 16:9
Highest Possible resolution 3456 x 2592 4912 x 3264
Maximum native ISO 3200 12800
Maximum enhanced ISO - 25600
Lowest native ISO 125 100
RAW format
Autofocusing
Focus manually
Touch focus
Autofocus continuous
Autofocus single
Autofocus tracking
Autofocus selectice
Center weighted autofocus
Multi area autofocus
Live view autofocus
Face detection focus
Contract detection focus
Phase detection focus
Total focus points 9 15
Cross type focus points - 3
Lens
Lens support fixed lens Sony/Minolta Alpha
Lens zoom range 25-100mm (4.0x) -
Highest aperture f/3.5-4.6 -
Macro focusing range 1cm -
Total lenses - 143
Crop factor 5.9 1.5
Screen
Screen type Fixed Type Fully Articulated
Screen size 3.5 inches 3 inches
Screen resolution 921k dot 921k dot
Selfie friendly
Liveview
Touch functionality
Viewfinder Information
Viewfinder None Electronic
Viewfinder resolution - 1,150k dot
Viewfinder coverage - 100 percent
Viewfinder magnification - 0.73x
Features
Min shutter speed 2s 30s
Max shutter speed 1/1600s 1/4000s
Continuous shutter speed 10.0 frames per second 10.0 frames per second
Shutter priority
Aperture priority
Manual exposure
Exposure compensation - Yes
Set white balance
Image stabilization
Integrated flash
Flash distance 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
Max flash sync - 1/160s
Exposure
Multisegment metering
Average metering
Spot metering
Partial metering
AF area metering
Center weighted metering
Video features
Video resolutions 1920 x 1080 (60 fps), 1440 x 1080 (60, 30fps), 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)
Maximum video resolution 1920x1080 1920x1080
Video data format AVCHD 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 proofing
Dust proofing
Shock proofing
Crush proofing
Freeze proofing
Weight 149 gr (0.33 pounds) 500 gr (1.10 pounds)
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 rating not tested 73
DXO Color Depth rating not tested 23.0
DXO Dynamic range rating not tested 12.4
DXO Low light rating not tested 816
Other
Battery life - 380 shots
Style of battery - Battery Pack
Battery ID 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 Memory Stick Duo / Pro Duo/ PRO HG-Duo, optional SD, Internal SD/SDHC/SDXC/Memory Stick Pro Duo/ Pro-HG Duo
Storage slots One One
Cost at release $300 $800