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Sony A900 vs Sony G3

Portability
54
Imaging
67
Features
62
Overall
65
Sony Alpha DSLR-A900 front
 
Sony Cyber-shot DSC-G3 front
Portability
94
Imaging
33
Features
30
Overall
31

Sony A900 vs Sony G3 Key Specs

Sony A900
(Full Review)
  • 25MP - Full frame Sensor
  • 3" Fixed Screen
  • ISO 100 - 6400
  • Sensor based Image Stabilization
  • 1/8000s Max Shutter
  • No Video
  • Sony/Minolta Alpha Mount
  • 895g - 156 x 117 x 82mm
  • Announced October 2008
  • New Model is Sony A99
Sony G3
(Full Review)
  • 10MP - 1/2.3" Sensor
  • 3.5" Fixed Screen
  • ISO 80 - 3200
  • Optical Image Stabilization
  • 640 x 480 video
  • 35-140mm (F3.5-10.0) lens
  • 185g - 97 x 59 x 22mm
  • Announced January 2009
Photography Glossary

Sony A900 vs Sony G3 Overview

Its time to look a bit more in depth at the Sony A900 and Sony G3, former is a Advanced DSLR while the latter is a Small Sensor Compact and both of them are created by Sony. There is a substantial difference among the image resolutions of the A900 (25MP) and G3 (10MP) and the A900 (Full frame) and G3 (1/2.3") have totally different sensor dimensions.

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The A900 was manufactured 2 months earlier than the G3 and they are of a similar age. Both cameras have different body design with the Sony A900 being a Mid-size SLR camera and the Sony G3 being a Compact camera.

Before going into a complete comparison, here is a quick overview of how the A900 matches up vs the G3 in the way of portability, imaging, features and an overall score.

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Reasons to pick Sony A900 over the Sony G3

 A900 G3 
Screen resolution922k921kSharper screen (+1k dot)

Reasons to pick Sony G3 over the Sony A900

 G3 A900 
Screen dimensions3.5"3"Bigger screen (+0.5")
Touch friendly screen Quickly navigate

Common features in the Sony A900 and Sony G3

 A900 G3 
AnnouncedOctober 2008January 2009Same age
Manual focus More precise focusing
Screen typeFixed Fixed Fixed screen
Selfie screen Neither includes selfie screen

Sony A900 vs Sony G3 Physical Comparison

If you are planning to carry around your camera regularly, you will have to think about its weight and size. The Sony A900 features exterior dimensions of 156mm x 117mm x 82mm (6.1" x 4.6" x 3.2") with a weight of 895 grams (1.97 lbs) while the Sony G3 has specifications of 97mm x 59mm x 22mm (3.8" x 2.3" x 0.9") and a weight of 185 grams (0.41 lbs).

Take a look at the Sony A900 and Sony G3 in our completely new Camera plus Lens Size Comparison Tool. Camera Size Comparison with Lenses

Take into consideration, the weight of an ILC will vary dependant on the lens you are utilizing at the time. Below is a front view proportions comparison of the A900 and the G3.

Sony A900 vs Sony G3 size comparison

Using size and weight, the portability rating of the A900 and G3 is 54 and 94 respectively.

Sony A900 vs Sony G3 top view buttons comparison

Sony A900 vs Sony G3 Sensor Comparison

Oftentimes, its tough to envision the gap in sensor sizes simply by going through a spec sheet. The pic here may provide you a much better sense of the sensor sizes in the A900 and G3.

Clearly, the two cameras provide different megapixels and different sensor sizes. The A900 featuring a bigger sensor will make getting shallower depth of field easier and the Sony A900 will produce greater detail due to its extra 15 Megapixels. Higher resolution will also help you crop shots more aggressively.

Sony A900 vs Sony G3 sensor size comparison

Sony A900 vs Sony G3 Screen and ViewFinder

Sony A900 vs Sony G3 Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Sony A900 Portrait photography info
Sony G3 Portrait photography info
72
has manual focus
great megapixels (25MP)
sensor size is large (Full frame)
supports RAW files
no liveview
26
you can focus manually
manual exposure not possible
cannot use external flash
low MP (10MP)
sensor size is very small (1/2.3")
does not have RAW format
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Street Comparison

Sony A900 Street photography highlights
Sony G3 Street photography highlights
66
has image stabilization (Sensor based)
sensor size is large (Full frame)
supports RAW files
weather proofing
no moving screen
56
built in image stabilization (Optical)
screen is fixed
sensor size is very small (1/2.3")
does not have RAW format
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Sports Comparison

Sony A900 Sports photography factors
Sony G3 Sports photography factors
71
great max shutter speed (1/8,000s)
has image stabilization (Sensor based)
great megapixels (25 megapixels)
sensor size is large (Full frame)
weather proofing
supports phase detect auto focus
no liveview
slow continuous shooting (5.0 frames per second)
23
built in image stabilization (Optical)
maximum shutter speed is a little low (1/1,000s)
painfully slow continuous shooting (2.0 fps)
lack of shutter priority mode
low MP (10 megapixels)
sensor size is very small (1/2.3")
does not have phase detect auto focus
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Travel Comparison

Sony A900 Travel photography information
Sony G3 Travel photography information
55
weather proofing
great megapixels (25 megapixels)
lack of Timelapse mode
screen isn't selfie friendly
50
has built in flash
does not have Time Lapse function
low MP (10MP)
screen isn't selfie friendly
wide angle not good (35mm)
slow max aperture (f3.5)
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Landscape Comparison

Landscape photography with Sony A900
Landscape photography with Sony G3
73
has manual focus
swap lenses (Sony/Minolta Alpha mount)
screen is a decent size (3")
has image stabilization (Sensor based)
great megapixels (25 megapixels)
sensor size is large (Full frame)
supports RAW files
weather proofing
two card slots
no liveview
lack of Timelapse mode
36
you can focus manually
very good size screen (3.5 inches)
built in image stabilization (Optical)
lens is fixed (fixed lens mount)
wide angle not good (35mm)
slow max aperture (f3.5)
manual exposure not possible
low MP (10MP)
sensor size is very small (1/2.3")
does not have RAW format
does not have Time Lapse function
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Vlogging Comparison

Sony A900 as a Vlogging camera
Sony G3 as a Vlogging camera
9
no video recording
27
touchscreen capability
built in image stabilization (Optical)
wide angle not good (35mm)
slow max aperture (f3.5)
screen isn't selfie friendly
low quality video (640 x 480 pxls)
does not have mic port
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Sony A900 vs Sony G3 Specifications

Detailed spec comparison table for Sony A900 and Sony G3
 Sony Alpha DSLR-A900Sony Cyber-shot DSC-G3
General Information
Company Sony Sony
Model Sony Alpha DSLR-A900 Sony Cyber-shot DSC-G3
Type Advanced DSLR Small Sensor Compact
Announced 2008-10-22 2009-01-08
Body design Mid-size SLR Compact
Sensor Information
Processor Chip Bionz -
Sensor type CMOS CCD
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 megapixels 10 megapixels
Anti aliasing filter
Aspect ratio 3:2 and 16:9 4:3, 3:2 and 16:9
Full resolution 6048 x 4032 3648 x 2736
Max native ISO 6400 3200
Minimum native ISO 100 80
RAW files
Autofocusing
Focus manually
Touch focus
Continuous autofocus
Single autofocus
Autofocus tracking
Autofocus selectice
Autofocus center weighted
Autofocus multi area
Live view autofocus
Face detection autofocus
Contract detection autofocus
Phase detection autofocus
Number of focus points 9 9
Lens
Lens mounting type Sony/Minolta Alpha fixed lens
Lens focal range - 35-140mm (4.0x)
Highest aperture - f/3.5-10.0
Total lenses 143 -
Crop factor 1 5.8
Screen
Screen type Fixed Type Fixed Type
Screen sizing 3" 3.5"
Resolution of screen 922 thousand dot 921 thousand dot
Selfie friendly
Liveview
Touch capability
Screen technology TFT Xtra Fine color LCD -
Viewfinder Information
Viewfinder Optical (pentaprism) None
Viewfinder coverage 100% -
Viewfinder magnification 0.74x -
Features
Slowest shutter speed 30s 1s
Maximum shutter speed 1/8000s 1/1000s
Continuous shooting speed 5.0 frames per sec 2.0 frames per sec
Shutter priority
Aperture priority
Manually set exposure
Exposure compensation Yes -
Custom white balance
Image stabilization
Built-in flash
Flash range no built-in flash 4.30 m (Auto ISO)
Flash options Auto, On, Off, Red-Eye, Slow Sync, Rear Curtain, Fill-in, Wireless Auto, On, Off, Red-Eye reduction, Slow Sync
External flash
AE bracketing
White balance bracketing
Maximum flash sync 1/250s -
Exposure
Multisegment metering
Average metering
Spot metering
Partial metering
AF area metering
Center weighted metering
Video features
Video resolutions - 640 x 480 (30, 15 fps), 320 x 240 (30, 15 fps)
Max video resolution None 640x480
Video format - Motion JPEG
Mic jack
Headphone jack
Connectivity
Wireless None None
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 895 grams (1.97 lb) 185 grams (0.41 lb)
Physical dimensions 156 x 117 x 82mm (6.1" x 4.6" x 3.2") 97 x 59 x 22mm (3.8" x 2.3" x 0.9")
DXO scores
DXO All around score 79 not tested
DXO Color Depth score 23.7 not tested
DXO Dynamic range score 12.3 not tested
DXO Low light score 1431 not tested
Other
Battery life 880 images -
Type of battery Battery Pack -
Battery model NP-FM500H -
Self timer Yes (2 or 10 sec) Yes (2 or 10 sec)
Time lapse shooting
Type of storage Compact Flash (Type I or II), Memory Stick Duo / Pro Duo, UDMA Mode 5, Supports FAT12 / FAT16 / FAT32 Memory Stick Duo/Pro Duo, Internal
Storage slots Two 1
Cost at launch $2,736 $200