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Sony A900 vs Sony RX100

Portability
54
Imaging
66
Features
62
Overall
64
Sony Alpha DSLR-A900 front
 
Sony Cyber-shot DSC-RX100 front
Portability
91
Imaging
50
Features
68
Overall
57

Sony A900 vs Sony RX100 Key Specs

Sony A900
(Full Review)
  • 25MP - Full frame Sensor
  • 3" Fixed Screen
  • ISO 100 - 6400
  • Sensor based Image Stabilization
  • 1/8000s Maximum Shutter
  • No Video
  • Sony/Minolta Alpha Mount
  • 895g - 156 x 117 x 82mm
  • Released October 2008
  • Refreshed by Sony A99
Sony RX100
(Full Review)
  • 20MP - 1" Sensor
  • 3" Fixed Screen
  • ISO 100 - 25600
  • Optical Image Stabilization
  • 1920 x 1080 video
  • 28-100mm (F1.8-4.9) lens
  • 240g - 102 x 58 x 36mm
  • Revealed August 2012
  • Updated by Sony RX100 II
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Sony A900 vs Sony RX100 Overview

Here, we will be looking at the Sony A900 and Sony RX100, former is a Advanced DSLR while the latter is a Large Sensor Compact and they are both produced by Sony. There exists a sizable gap among the sensor resolutions of the A900 (25MP) and RX100 (20MP) and the A900 (Full frame) and RX100 (1") posses totally different sensor sizing.

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The A900 was revealed 4 years prior to the RX100 which is a fairly significant difference as far as camera technology is concerned. Each of the cameras feature different body design with the Sony A900 being a Mid-size SLR camera and the Sony RX100 being a Large Sensor Compact camera.

Before going into a more detailed comparison, here is a quick summation of how the A900 matches up against the RX100 with regard to portability, imaging, features and an overall mark.

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Reasons to pick Sony A900 over the Sony RX100

 A900 RX100 

Reasons to pick Sony RX100 over the Sony A900

 RX100 A900 
RevealedAugust 2012October 2008Newer by 46 months
Screen resolution1229k922kClearer screen (+307k dot)

Common features in the Sony A900 and Sony RX100

 A900 RX100 
Focus manually Very accurate focus
Screen typeFixed Fixed Fixed screen
Screen size3"3"Same screen measurement
Selfie screen Lacking selfie screen
Touch screen Neither has Touch screen

Sony A900 vs Sony RX100 Physical Comparison

For those who are aiming to travel with your camera often, you'll have to factor its weight and volume. The Sony A900 has outer 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 RX100 has sizing of 102mm x 58mm x 36mm (4.0" x 2.3" x 1.4") and a weight of 240 grams (0.53 lbs).

Contrast the Sony A900 and Sony RX100 in our newest Camera plus Lens Size Comparison Tool. Camera Size Comparison with Lenses

Remember that, the weight of an ILC will change based on the lens you choose at that moment. Following is a front view dimension comparison of the A900 compared to the RX100.

Sony A900 vs Sony RX100 size comparison

Considering dimensions and weight, the portability score of the A900 and RX100 is 54 and 91 respectively.

Sony A900 vs Sony RX100 top view buttons comparison

Sony A900 vs Sony RX100 Sensor Comparison

More often than not, it is tough to envision the gap in sensor dimensions purely by seeing technical specs. The pic underneath will give you a more clear sense of the sensor sizes in the A900 and RX100.

As you can tell, both the cameras come with different megapixel count and different sensor dimensions. The A900 using its bigger sensor will make shooting shallow depth of field simpler and the Sony A900 will provide extra detail because of its extra 5MP. Higher resolution will also make it easier to crop photographs a good deal more aggressively. The more aged A900 will be disadvantaged in sensor tech.

Sony A900 vs Sony RX100 sensor size comparison

Sony A900 vs Sony RX100 Screen and ViewFinder

Sony A900 vs Sony RX100 Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Portrait photography with Sony A900
Portrait photography with Sony RX100
71
focusing manually
MP count excellent (25MP)
sensor size is great (Full frame)
supports RAW files
no liveview
64
you can focus manually
above average flash sync speed (1/2,000 seconds)
decent MP (20MP)
nice sensor size (1")
features face detection focus
supports RAW formats
can't use external flash
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Street Comparison

Street photography with Sony A900
Street photography with Sony RX100
66
built in image stabilization (Sensor based)
sensor size is great (Full frame)
supports RAW files
weather sealing
no articulating screen
79
image stabilization (Optical)
nice sensor size (1")
supports RAW formats
lighter than average (240 grams)
very good ISO range (25,600)
screen is fixed
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Sports Comparison

Sony A900 Sports photography factors
Sony RX100 Sports photography factors
70
maximum shutter speed is high (1/8,000s)
built in image stabilization (Sensor based)
MP count excellent (25 megapixels)
sensor size is great (Full frame)
weather sealing
comes with phase detect auto focus
no liveview
continuous shooting slow (5.0 frames/s)
65
image stabilization (Optical)
decent MP (20 megapixels)
nice sensor size (1")
features tracking autofocus
doesn't have phase detect auto focus
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Travel Comparison

Travel photography with Sony A900
Travel photography with Sony RX100
54
weather sealing
MP count excellent (25 megapixels)
lack of Time Lapse function
screen isn't selfie friendly
79
lighter than average (240g)
decent MP (20 megapixels)
built-in flash
really wide (28mm)
very good maximum aperture (f1.8)
screen is not selfie friendly
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Landscape Comparison

Sony A900 Landscape photography advice
Sony RX100 Landscape photography advice
72
focusing manually
change lenses (Sony/Minolta Alpha mount)
screen size is good (3 inches)
built in image stabilization (Sensor based)
MP count excellent (25 megapixels)
sensor size is great (Full frame)
supports RAW files
weather sealing
2 card slots
no liveview
lack of Time Lapse function
74
you can focus manually
really wide (28mm)
very good maximum aperture (f1.8)
screen is a decent size (3")
image stabilization (Optical)
decent MP (20MP)
nice sensor size (1")
very good ISO range (25,600)
supports RAW formats
lens is fixed (fixed lens mount)
Photography Glossary

Vlogging Comparison

Sony A900 Vlogging features
Sony RX100 Vlogging features
9
can't shoot video
38
really wide (28mm)
very good maximum aperture (f1.8)
image stabilization (Optical)
features face detection focus
high quality video (1920 x 1080 pixels)
lighter than average (240g)
screen is not selfie friendly
no external mic port
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Sony A900 vs Sony RX100 Specifications

Detailed spec comparison table for Sony A900 and Sony RX100
 Sony Alpha DSLR-A900Sony Cyber-shot DSC-RX100
General Information
Company Sony Sony
Model type Sony Alpha DSLR-A900 Sony Cyber-shot DSC-RX100
Class Advanced DSLR Large Sensor Compact
Released 2008-10-22 2012-08-28
Body design Mid-size SLR Large Sensor Compact
Sensor Information
Chip Bionz -
Sensor type CMOS CMOS
Sensor size Full frame 1"
Sensor dimensions 35.9 x 24mm 13.2 x 8.8mm
Sensor area 861.6mm² 116.2mm²
Sensor resolution 25MP 20MP
Anti alias filter
Aspect ratio 3:2 and 16:9 1:1, 4:3, 3:2 and 16:9
Highest Possible resolution 6048 x 4032 5472 x 3648
Maximum native ISO 6400 25600
Min native ISO 100 100
RAW photos
Autofocusing
Manual focusing
AF touch
Continuous AF
AF single
AF tracking
Selective AF
AF center weighted
AF multi area
AF live view
Face detection focusing
Contract detection focusing
Phase detection focusing
Total focus points 9 25
Lens
Lens support Sony/Minolta Alpha fixed lens
Lens zoom range - 28-100mm (3.6x)
Largest aperture - f/1.8-4.9
Macro focusing range - 5cm
Amount of lenses 143 -
Focal length multiplier 1 2.7
Screen
Range of screen Fixed Type Fixed Type
Screen diagonal 3" 3"
Screen resolution 922k dot 1,229k dot
Selfie friendly
Liveview
Touch capability
Screen technology TFT Xtra Fine color LCD WhiteMagic TFT LCD
Viewfinder Information
Viewfinder Optical (pentaprism) None
Viewfinder coverage 100 percent -
Viewfinder magnification 0.74x -
Features
Min shutter speed 30s 30s
Max shutter speed 1/8000s 1/2000s
Continuous shutter speed 5.0 frames per second 10.0 frames per second
Shutter priority
Aperture priority
Manual exposure
Exposure compensation Yes Yes
Set WB
Image stabilization
Built-in flash
Flash distance no built-in flash -
Flash options Auto, On, Off, Red-Eye, Slow Sync, Rear Curtain, Fill-in, Wireless Auto, On, Off, Slow Sync
External flash
Auto exposure bracketing
White balance bracketing
Max flash sync 1/250s 1/2000s
Exposure
Multisegment metering
Average metering
Spot metering
Partial metering
AF area metering
Center weighted metering
Video features
Supported video resolutions - 1920 x 1080 (60 fps), 1440 x 1080 (30 fps), 1280 x 720 (30 fps), 640 x 480 (30 fps)
Maximum video resolution None 1920x1080
Video file format - MPEG-4, AVCHD
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 None
Physical
Environmental seal
Water proofing
Dust proofing
Shock proofing
Crush proofing
Freeze proofing
Weight 895g (1.97 lb) 240g (0.53 lb)
Physical dimensions 156 x 117 x 82mm (6.1" x 4.6" x 3.2") 102 x 58 x 36mm (4.0" x 2.3" x 1.4")
DXO scores
DXO Overall rating 79 66
DXO Color Depth rating 23.7 22.6
DXO Dynamic range rating 12.3 12.4
DXO Low light rating 1431 390
Other
Battery life 880 images 330 images
Battery form Battery Pack Battery Pack
Battery ID NP-FM500H NP-BX1
Self timer Yes (2 or 10 sec) Yes (2 or 10 sec, Portrait 1/2)
Time lapse shooting With downloadable app
Storage media Compact Flash (Type I or II), Memory Stick Duo / Pro Duo, UDMA Mode 5, Supports FAT12 / FAT16 / FAT32 SD/SDHC/SDXC, Memory Stick Duo/Pro Duo/Pro-HG Duo
Storage slots Dual 1
Launch cost $2,736 $448