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Sony A7R III vs Sony T900

Portability
63
Imaging
78
Features
93
Overall
84
Sony Alpha A7R III front
 
Sony Cyber-shot DSC-T900 front
Portability
96
Imaging
34
Features
30
Overall
32

Sony A7R III vs Sony T900 Key Specs

Sony A7R III
(Full Review)
  • 42MP - Full frame Sensor
  • 3" Tilting Display
  • ISO 100 - 32000 (Increase to 102400)
  • Sensor based 5-axis Image Stabilization
  • No Anti-Alias Filter
  • 1/8000s Max Shutter
  • 3840 x 2160 video
  • Sony E Mount
  • 657g - 127 x 96 x 74mm
  • Announced October 2017
  • Earlier Model is Sony A7R II
  • Replacement is Sony A7R IV
Sony T900
(Full Review)
  • 12MP - 1/2.3" Sensor
  • 3.5" Fixed Display
  • ISO 80 - 3200
  • Optical Image Stabilization
  • 1280 x 720 video
  • 35-140mm (F3.5-10.0) lens
  • 143g - 98 x 58 x 16mm
  • Announced February 2009
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Sony A7R III vs Sony T900 Overview

Here is a detailed overview of the Sony A7R III vs Sony T900, one being a Pro Mirrorless and the other is a Ultracompact and both are created by Sony. There exists a crucial gap between the image resolutions of the A7R III (42MP) and T900 (12MP) and the A7R III (Full frame) and T900 (1/2.3") feature different sensor sizes.

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The A7R III was brought out 8 years later than the T900 and that is quite a serious gap as far as technology is concerned. Both the cameras offer different body type with the Sony A7R III being a SLR-style mirrorless camera and the Sony T900 being a Ultracompact camera.

Before delving through a in depth comparison, below is a concise introduction of how the A7R III grades versus the T900 for portability, imaging, features and an overall rating.

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Reasons to pick Sony A7R III over the Sony T900

 A7R III T900 
AnnouncedOctober 2017February 2009Fresher by 106 months
Display typeTiltingFixed Tilting display
Display resolution1440k922kSharper display (+518k dot)

Reasons to pick Sony T900 over the Sony A7R III

 T900 A7R III 
Display sizing3.5"3"Larger display (+0.5")

Common features in the Sony A7R III and Sony T900

 A7R III T900 
Manually focus More precise focusing
Selfie screen Neither includes selfie screen
Touch friendly display Easily navigate

Sony A7R III vs Sony T900 Physical Comparison

For anyone who is going to carry your camera frequently, you will want to factor in its weight and proportions. The Sony A7R III features exterior measurements of 127mm x 96mm x 74mm (5.0" x 3.8" x 2.9") accompanied by a weight of 657 grams (1.45 lbs) whilst the Sony T900 has measurements of 98mm x 58mm x 16mm (3.9" x 2.3" x 0.6") accompanied by a weight of 143 grams (0.32 lbs).

Analyze the Sony A7R III vs Sony T900 in the all new Camera and Lens Size Comparison Tool. Camera Size Comparison with Lenses

Always remember, the weight of an Interchangeable Lens Camera will change dependant on the lens you are using at that moment. Below is the front view size comparison of the A7R III versus the T900.

Sony A7R III vs Sony T900 size comparison

Using dimensions and weight, the portability rating of the A7R III and T900 is 63 and 96 respectively.

Sony A7R III vs Sony T900 top view buttons comparison

Sony A7R III vs Sony T900 Sensor Comparison

Typically, it is very tough to picture the difference between sensor sizing only by going over a spec sheet. The graphic below might provide you a far better sense of the sensor sizing in the A7R III and T900.

As you can see, both the cameras offer different megapixel count and different sensor sizing. The A7R III due to its larger sensor is going to make shooting shallow DOF easier and the Sony A7R III will deliver greater detail having its extra 30 Megapixels. Greater resolution can also make it easier to crop photos a little more aggressively. The younger A7R III provides a benefit with regard to sensor tech.

Sony A7R III vs Sony T900 sensor size comparison

Sony A7R III vs Sony T900 Screen and ViewFinder

Sony A7R III vs Sony T900 Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Sony A7R III Portrait photography information
Sony T900 Portrait photography information
86
focusing manually
excellent megapixels (42 megapixels)
large sensor size (Full frame)
provides face detection focus
delivers RAW formats
27
you can focus manually
manual exposure not possible
no external flash support
low megapixels (12MP)
sensor is very small (1/2.3")
has no RAW format
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Street Comparison

Sony A7R III Street photography factors
Sony T900 Street photography factors
79
screen tilts up and down
built in image stabilization (Sensor based 5-axis)
large sensor size (Full frame)
delivers RAW formats
provides touch to focus
environment proofing
good ISO range (32,000)
57
has image stabilization (Optical)
no articulating screen
sensor is very small (1/2.3")
has no RAW format
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Sports Comparison

Sony A7R III Sports photography details
Sony T900 Sports photography details
89
maximum shutter speed is high (1/8,000 seconds)
built in image stabilization (Sensor based 5-axis)
excellent megapixels (42MP)
large sensor size (Full frame)
provides tracking autofocus
environment proofing
great battery life (650 CIPA)
comes with phase detect auto focus
24
has image stabilization (Optical)
max shutter speed is low (1/1,000 seconds)
slow continuous shooting (2.0 fps)
no shutter priority mode
low megapixels (12MP)
sensor is very small (1/2.3")
has no phase detect auto focus
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Travel Comparison

Travel photography with Sony A7R III
Travel photography with Sony T900
74
great battery life (650 CIPA)
environment proofing
has bluetooth
provides touch to focus
excellent megapixels (42MP)
does not feature selfie friendly display
51
flash built-in
missing Timelapse function
low megapixels (12 megapixels)
doesn't offer selfie friendly display
wide angle not fantastic (35mm)
sluggish max aperture (f3.5)
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Landscape Comparison

Sony A7R III as a Landscape photography camera
Sony T900 as a Landscape photography camera
87
focusing manually
interchangeable lenses (Sony E mount)
screen size is good (3")
built in image stabilization (Sensor based 5-axis)
excellent megapixels (42 megapixels)
large sensor size (Full frame)
doesnt have low pass filter
good ISO range (32,000)
delivers RAW formats
environment proofing
great battery life (650 shots)
has dual storage slots
36
you can focus manually
big screen (3.5 inches)
has image stabilization (Optical)
can't swap lens (fixed lens mount)
wide angle not fantastic (35mm)
sluggish max aperture (f3.5)
manual exposure not possible
low megapixels (12MP)
sensor is very small (1/2.3")
has no RAW format
missing Timelapse function
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Vlogging Comparison

Vlogging with Sony A7R III
Vlogging with Sony T900
37
touchscreen
built in image stabilization (Sensor based 5-axis)
provides face detection focus
great video quality (3840 x 2160 pxls)
does have external microphone jack
does not feature selfie friendly display
28
touchscreen functionality
has image stabilization (Optical)
wide angle not fantastic (35mm)
sluggish max aperture (f3.5)
doesn't offer selfie friendly display
video quality not great (1280 x 720 pxls)
missing external microphone socket
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Sony A7R III vs Sony T900 Specifications

Detailed spec comparison table for Sony A7R III and Sony T900
 Sony Alpha A7R IIISony Cyber-shot DSC-T900
General Information
Make Sony Sony
Model type Sony Alpha A7R III Sony Cyber-shot DSC-T900
Class Pro Mirrorless Ultracompact
Announced 2017-10-25 2009-02-17
Physical type SLR-style mirrorless Ultracompact
Sensor Information
Chip Bionz X -
Sensor type BSI-CMOS CCD
Sensor size Full frame 1/2.3"
Sensor measurements 35.9 x 24mm 6.17 x 4.55mm
Sensor area 861.6mm² 28.1mm²
Sensor resolution 42 megapixels 12 megapixels
Anti alias filter
Aspect ratio 3:2 and 16:9 4:3, 3:2 and 16:9
Full resolution 7952 x 5304 4000 x 3000
Max native ISO 32000 3200
Max boosted ISO 102400 -
Minimum native ISO 100 80
RAW files
Minimum boosted ISO 50 -
Autofocusing
Focus manually
AF touch
AF continuous
AF single
AF tracking
Selective AF
Center weighted AF
Multi area AF
AF live view
Face detect AF
Contract detect AF
Phase detect AF
Total focus points 425 9
Lens
Lens mount type Sony E fixed lens
Lens zoom range - 35-140mm (4.0x)
Highest aperture - f/3.5-10.0
Amount of lenses 121 -
Focal length multiplier 1 5.8
Screen
Display type Tilting Fixed Type
Display diagonal 3 inch 3.5 inch
Display resolution 1,440 thousand dots 922 thousand dots
Selfie friendly
Liveview
Touch display
Viewfinder Information
Viewfinder Electronic None
Viewfinder resolution 3,686 thousand dots -
Viewfinder coverage 100% -
Viewfinder magnification 0.78x -
Features
Lowest shutter speed 30 secs 2 secs
Highest shutter speed 1/8000 secs 1/1000 secs
Continuous shooting rate 10.0 frames per sec 2.0 frames per sec
Shutter priority
Aperture priority
Manually set exposure
Exposure compensation Yes -
Custom WB
Image stabilization
Inbuilt flash
Flash distance no built-in flash 2.90 m (Auto ISO)
Flash settings Off, Auto, Fill-flash, Slow Sync, Rear Sync, Red-eye reduction, Wireless, Hi-speed sync Auto, On, Off, Red-Eye reduction, Slow Sync
Hot shoe
Auto exposure bracketing
WB bracketing
Exposure
Multisegment exposure
Average exposure
Spot exposure
Partial exposure
AF area exposure
Center weighted exposure
Video features
Video resolutions 3840 x 2160 (30p, 25p, 24p), 1920 x 1080 (60p, 60i, 24p), 1440 x 1080 (30p), 640 x 480 (30p) 1280 x 720 (30 fps) 640 x 480 (30 fps)
Max video resolution 3840x2160 1280x720
Video file format MPEG-4, AVCHD, XAVC S Motion JPEG
Microphone port
Headphone port
Connectivity
Wireless Built-In None
Bluetooth
NFC
HDMI
USB USB 3.1 Gen 1(5 GBit/sec) USB 2.0 (480 Mbit/sec)
GPS None None
Physical
Environmental sealing
Water proofing
Dust proofing
Shock proofing
Crush proofing
Freeze proofing
Weight 657 gr (1.45 lb) 143 gr (0.32 lb)
Dimensions 127 x 96 x 74mm (5.0" x 3.8" x 2.9") 98 x 58 x 16mm (3.9" x 2.3" x 0.6")
DXO scores
DXO All around rating 100 not tested
DXO Color Depth rating 26.0 not tested
DXO Dynamic range rating 14.7 not tested
DXO Low light rating 3523 not tested
Other
Battery life 650 pictures -
Battery type Battery Pack -
Battery ID NP-FZ100 -
Self timer Yes (2 or 10 sec; continuous (3 or 5 exposures)) Yes (2 or 10 sec)
Time lapse shooting
Type of storage Two SD/SDHC/SDXC slots (UHS-II support on one) Memory Stick Duo / Pro Duo, Internal
Card slots 2 1
Retail price $2,800 $300