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Sony A900 vs Sony TX20

Portability
54
Imaging
66
Features
62
Overall
64
Sony Alpha DSLR-A900 front
 
Sony Cyber-shot DSC-TX20 front
Portability
96
Imaging
39
Features
50
Overall
43

Sony A900 vs Sony TX20 Key Specs

Sony A900
(Full Review)
  • 25MP - Full frame Sensor
  • 3" Fixed Display
  • ISO 100 - 6400
  • Sensor based Image Stabilization
  • 1/8000s Max Shutter
  • No Video
  • Sony/Minolta Alpha Mount
  • 895g - 156 x 117 x 82mm
  • Launched October 2008
  • Replacement is Sony A99
Sony TX20
(Full Review)
  • 16MP - 1/2.3" Sensor
  • 3" Fixed Display
  • ISO 125 - 3200
  • Optical Image Stabilization
  • 1920 x 1080 video
  • 25-100mm (F3.5-4.6) lens
  • 133g - 96 x 56 x 18mm
  • Launched February 2012
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Sony A900 vs Sony TX20 Overview

Let's look more in depth at the Sony A900 and Sony TX20, one is a Advanced DSLR and the other is a Ultracompact and both are built by Sony. There is a crucial difference among the image resolutions of the A900 (25MP) and TX20 (16MP) and the A900 (Full frame) and TX20 (1/2.3") provide different sensor measurements.

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The A900 was introduced 4 years prior to the TX20 which is a fairly serious gap as far as camera tech is concerned. Each of these cameras feature different body design with the Sony A900 being a Mid-size SLR camera and the Sony TX20 being a Ultracompact camera.

Before we go into a comprehensive comparison, here is a concise overview of how the A900 scores against the TX20 when it comes to portability, imaging, features and an overall mark.

Photography Glossary
	
	

Reasons to pick Sony A900 over the Sony TX20

 A900 TX20 

Reasons to pick Sony TX20 over the Sony A900

 TX20 A900 
LaunchedFebruary 2012October 2008Newer by 40 months
Touch friendly display Easily navigate

Common features in the Sony A900 and Sony TX20

 A900 TX20 
Manually focus Dial precise focus
Display typeFixed Fixed Fixed display
Display size3"3"Same display measurements
Display resolution922k922kSame display resolution
Selfie screen Neither offers selfie screen

Sony A900 vs Sony TX20 Physical Comparison

In case you're planning to travel with your camera regularly, you should factor its weight and size. The Sony A900 offers external measurements of 156mm x 117mm x 82mm (6.1" x 4.6" x 3.2") along with a weight of 895 grams (1.97 lbs) while the Sony TX20 has specifications of 96mm x 56mm x 18mm (3.8" x 2.2" x 0.7") and a weight of 133 grams (0.29 lbs).

Look at the Sony A900 and Sony TX20 in the latest Camera and Lens Size Comparison Tool. Camera Size Comparison with Lenses

Always remember, the weight of an Interchangeable Lens Camera will change based on the lens you are using at the time. The following is a front view physical size comparison of the A900 and the TX20.

Sony A900 vs Sony TX20 size comparison

Looking at size and weight, the portability score of the A900 and TX20 is 54 and 96 respectively.

Sony A900 vs Sony TX20 top view buttons comparison

Sony A900 vs Sony TX20 Sensor Comparison

Oftentimes, it's tough to imagine the difference in sensor dimensions just by viewing specs. The picture here will provide you a stronger sense of the sensor sizing in the A900 and TX20.

As you can plainly see, each of these cameras feature different megapixels and different sensor dimensions. The A900 using its larger sensor is going to make shooting shallow depth of field less difficult and the Sony A900 will result in greater detail using its extra 9MP. Greater resolution can also enable you to crop images way more aggressively. The more aged A900 will be behind in sensor technology.

Sony A900 vs Sony TX20 sensor size comparison

Sony A900 vs Sony TX20 Screen and ViewFinder

Sony A900 vs Sony TX20 Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Sony A900 as a Portrait photography camera
Sony TX20 as a Portrait photography camera
71
focusing manually
excellent megapixels (25 megapixels)
sensor size is great (Full frame)
delivers RAW files
does not have liveview
40
you can focus manually
good megapixels (16 megapixels)
has face detection focus
no manual mode
external flash not possible
sensor size is very small (1/2.3")
has no RAW format
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Street Comparison

Sony A900 Street photography features
Sony TX20 Street photography features
66
image stabilization (Sensor based)
sensor size is great (Full frame)
delivers RAW files
weather sealing
no articulating screen
67
image stabilization (Optical)
supports touch focus
environment proofing
no articulating screen
sensor size is very small (1/2.3")
has no RAW format
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Sports Comparison

Sony A900 as a Sports photography camera
Sony TX20 as a Sports photography camera
70
maximum shutter speed is high (1/8,000s)
image stabilization (Sensor based)
excellent megapixels (25MP)
sensor size is great (Full frame)
weather sealing
sensor has phase detect autofocus
does not have liveview
low frames per second (5.0 frames per second)
50
image stabilization (Optical)
good megapixels (16MP)
has tracking autofocus
environment proofing
better than average battery life (250 CIPA)
no shutter priority mode
sensor size is very small (1/2.3")
has no phase detect auto focus
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Travel Comparison

Sony A900 Travel photography advice
Sony TX20 Travel photography advice
54
weather sealing
excellent megapixels (25MP)
doesn't have Timelapse mode
does not have selfie friendly screen
72
better than average battery life (250 shots)
environment proofing
supports touch focus
good megapixels (16 megapixels)
flash built-in
relatively wide (25mm)
no Time Lapse mode
display is not selfie friendly
somewhat slow max aperture (f3.5)
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Landscape Comparison

Sony A900 Landscape photography info
Sony TX20 Landscape photography info
72
focusing manually
change lenses (Sony/Minolta Alpha mount)
screen size is decent (3 inch)
image stabilization (Sensor based)
excellent megapixels (25MP)
sensor size is great (Full frame)
delivers RAW files
weather sealing
has dual storage slots
does not have liveview
doesn't have Timelapse mode
52
you can focus manually
relatively wide (25mm)
screen is a good size (3 inch)
image stabilization (Optical)
good megapixels (16MP)
environment proofing
better than average battery life (250 per charge)
fixed lens (fixed lens mount)
somewhat slow max aperture (f3.5)
no manual mode
sensor size is very small (1/2.3")
has no RAW format
no Time Lapse mode
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Vlogging Comparison

Vlogging with Sony A900
Vlogging with Sony TX20
9
no video shooting
35
relatively wide (25mm)
has touchscreen
image stabilization (Optical)
has face detection focus
video res high (1920 x 1080 pixels)
somewhat slow max aperture (f3.5)
display is not selfie friendly
no external mic jack
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Sony A900 vs Sony TX20 Specifications

Detailed spec comparison table for Sony A900 and Sony TX20
 Sony Alpha DSLR-A900Sony Cyber-shot DSC-TX20
General Information
Brand Name Sony Sony
Model type Sony Alpha DSLR-A900 Sony Cyber-shot DSC-TX20
Class Advanced DSLR Ultracompact
Launched 2008-10-22 2012-02-28
Body design Mid-size SLR Ultracompact
Sensor Information
Chip Bionz BIONZ
Sensor type CMOS BSI-CMOS
Sensor size Full frame 1/2.3"
Sensor dimensions 35.9 x 24mm 6.17 x 4.55mm
Sensor surface area 861.6mm² 28.1mm²
Sensor resolution 25 megapixel 16 megapixel
Anti alias filter
Aspect ratio 3:2 and 16:9 4:3 and 16:9
Peak resolution 6048 x 4032 4608 x 3456
Highest native ISO 6400 3200
Minimum native ISO 100 125
RAW images
Autofocusing
Focus manually
AF touch
AF continuous
AF single
AF tracking
AF selectice
Center weighted AF
Multi area AF
Live view AF
Face detect AF
Contract detect AF
Phase detect AF
Total focus points 9 -
Cross type focus points - -
Lens
Lens support Sony/Minolta Alpha fixed lens
Lens zoom range - 25-100mm (4.0x)
Largest aperture - f/3.5-4.6
Macro focusing range - 1cm
Amount of lenses 143 -
Focal length multiplier 1 5.8
Screen
Range of display Fixed Type Fixed Type
Display diagonal 3 inch 3 inch
Display resolution 922 thousand dot 922 thousand dot
Selfie friendly
Liveview
Touch functionality
Display technology TFT Xtra Fine color LCD XtraFine TruBlack TFT LCD
Viewfinder Information
Viewfinder Optical (pentaprism) None
Viewfinder coverage 100% -
Viewfinder magnification 0.74x -
Features
Minimum shutter speed 30 secs 4 secs
Fastest shutter speed 1/8000 secs 1/1600 secs
Continuous shutter speed 5.0 frames per sec 10.0 frames per sec
Shutter priority
Aperture priority
Expose Manually
Exposure compensation Yes -
Custom WB
Image stabilization
Inbuilt flash
Flash distance no built-in flash 3.70 m
Flash settings Auto, On, Off, Red-Eye, Slow Sync, Rear Curtain, Fill-in, Wireless Auto, On, Off, Slow Sync
Hot shoe
AE bracketing
WB bracketing
Fastest flash sync 1/250 secs -
Exposure
Multisegment exposure
Average exposure
Spot exposure
Partial exposure
AF area exposure
Center weighted exposure
Video features
Video resolutions - 1920 x 1080 (60 fps), 1440 x 1080 (60, 30 fps), 1280 x 720 (30 fps), 640 x 480 (30 fps)
Highest video resolution None 1920x1080
Video data format - MPEG-4, AVCHD
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
Environmental seal
Water proofing
Dust proofing
Shock proofing
Crush proofing
Freeze proofing
Weight 895g (1.97 lbs) 133g (0.29 lbs)
Physical dimensions 156 x 117 x 82mm (6.1" x 4.6" x 3.2") 96 x 56 x 18mm (3.8" x 2.2" x 0.7")
DXO scores
DXO Overall rating 79 not tested
DXO Color Depth rating 23.7 not tested
DXO Dynamic range rating 12.3 not tested
DXO Low light rating 1431 not tested
Other
Battery life 880 pictures 250 pictures
Battery format Battery Pack Battery Pack
Battery ID NP-FM500H NP-BN
Self timer Yes (2 or 10 sec) Yes (2 or 10 sec, Portrait 1/2)
Time lapse shooting
Type of storage Compact Flash (Type I or II), Memory Stick Duo / Pro Duo, UDMA Mode 5, Supports FAT12 / FAT16 / FAT32 SD/SDHC/SDXC/Memory Stick Duo/Memory Stick Pro Duo, Memory Stick Pro-HG Duo
Storage slots Dual 1
Retail cost $2,736 $330