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Sony A850 vs Sony RX100 III

Portability
54
Imaging
68
Features
60
Overall
64
Sony Alpha DSLR-A850 front
 
Sony Cyber-shot DSC-RX100 III front
Portability
89
Imaging
51
Features
77
Overall
61

Sony A850 vs Sony RX100 III Key Specs

Sony A850
(Full Review)
  • 25MP - Full frame Sensor
  • 3" Fixed Display
  • ISO 200 - 3200 (Expand to 6400)
  • Sensor based Image Stabilization
  • 1/8000s Maximum Shutter
  • No Video
  • Sony/Minolta Alpha Mount
  • 895g - 156 x 117 x 82mm
  • Announced April 2010
Sony RX100 III
(Full Review)
  • 20MP - 1" Sensor
  • 3" Tilting Screen
  • ISO 125 - 12800
  • Optical Image Stabilization
  • 1920 x 1080 video
  • 24-70mm (F1.8-2.8) lens
  • 290g - 102 x 58 x 41mm
  • Released May 2014
  • Earlier Model is Sony RX100 II
  • New Model is Sony RX100 IV
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Sony A850 vs Sony RX100 III Overview

Below is a detailed assessment of the Sony A850 vs Sony RX100 III, one being a Advanced DSLR and the latter is a Large Sensor Compact and both of them are designed by Sony. There is a huge difference between the image resolutions of the A850 (25MP) and RX100 III (20MP) and the A850 (Full frame) and RX100 III (1") have different sensor dimensions.

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The A850 was revealed 5 years earlier than the RX100 III and that is quite a significant gap as far as tech is concerned. Each of these cameras have different body design with the Sony A850 being a Mid-size SLR camera and the Sony RX100 III being a Large Sensor Compact camera.

Before getting into a full comparison, here is a simple introduction of how the A850 scores against the RX100 III in regards to portability, imaging, features and an overall grade.

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Reasons to pick Sony A850 over the Sony RX100 III

 A850 RX100 III 

Reasons to pick Sony RX100 III over the Sony A850

 RX100 III A850 
ReleasedMay 2014April 2010More recent by 49 months
Screen typeTiltingFixed Tilting screen
Screen resolution1229k922kCrisper screen (+307k dot)
Selfie screen Take selfies

Common features in the Sony A850 and Sony RX100 III

 A850 RX100 III 
Manually focus More accurate focus
Screen dimensions3"3"Equal screen sizing
Touch friendly screen Neither comes with Touch friendly screen

Sony A850 vs Sony RX100 III Physical Comparison

When you are looking to lug around your camera frequently, you are going to need to take into account its weight and size. The Sony A850 comes with physical dimensions of 156mm x 117mm x 82mm (6.1" x 4.6" x 3.2") and a weight of 895 grams (1.97 lbs) while the Sony RX100 III has specifications of 102mm x 58mm x 41mm (4.0" x 2.3" x 1.6") having a weight of 290 grams (0.64 lbs).

See the Sony A850 vs Sony RX100 III in the latest Camera and Lens Size Comparison Tool. Camera Size Comparison with Lenses

Do not forget, the weight of an Interchangeable Lens Camera will differ dependant on the lens you have at that time. Underneath is a front view over all size comparison of the A850 compared to the RX100 III.

Sony A850 vs Sony RX100 III size comparison

Looking at size and weight, the portability rating of the A850 and RX100 III is 54 and 89 respectively.

Sony A850 vs Sony RX100 III top view buttons comparison

Sony A850 vs Sony RX100 III Sensor Comparison

Oftentimes, it's difficult to imagine the gap between sensor measurements merely by reading a spec sheet. The visual below should provide you a clearer sense of the sensor dimensions in the A850 and RX100 III.

As you can see, both of those cameras provide different megapixel count and different sensor measurements. The A850 with its bigger sensor is going to make shooting shallower depth of field easier and the Sony A850 will offer more detail because of its extra 5MP. Higher resolution will make it easier to crop shots more aggressively. The older A850 is going to be behind when it comes to sensor technology.

Sony A850 vs Sony RX100 III sensor size comparison

Sony A850 vs Sony RX100 III Screen and ViewFinder

Sony A850 vs Sony RX100 III Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Sony A850 as a Portrait photography camera
Sony RX100 III as a Portrait photography camera
72
you can focus manually
MP count fantastic (25 megapixels)
great sensor size (Full frame)
delivers RAW formats
doesn't have liveview
64
you can focus manually
high flash sync (1/2,000s)
MP count good (20 megapixels)
nice sensor size (1")
provides face detection autofocus
exports RAW formats
cannot use external flash
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Street Comparison

Sony A850 Street photography info
Sony RX100 III Street photography info
66
built in image stabilization (Sensor based)
great sensor size (Full frame)
delivers RAW formats
environment sealing
no moving screen
85
tilting screen
image stabilization (Optical)
nice sensor size (1")
exports RAW formats
lighter than average (290g)
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Sports Comparison

Sony A850 Sports photography info
Sony RX100 III Sports photography info
71
max shutter speed is good (1/8,000s)
built in image stabilization (Sensor based)
MP count fantastic (25 megapixels)
great sensor size (Full frame)
environment sealing
comes with phase detect autofocus
doesn't have liveview
max fps low (3.0 fps)
65
image stabilization (Optical)
MP count good (20 megapixels)
nice sensor size (1")
provides tracking autofocus
does not have phase detect autofocus
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Travel Comparison

Sony A850 Travel photography information
Sony RX100 III Travel photography information
55
environment sealing
MP count fantastic (25 megapixels)
does not have Time Lapse mode
display is not selfie friendly
85
lighter than average (290g)
MP count good (20 megapixels)
built-in flash
display is selfie friendly
quite wide (24mm)
fast maximum aperture (f1.8)
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Landscape Comparison

Sony A850 Landscape photography features
Sony RX100 III Landscape photography features
73
you can focus manually
switch lenses (Sony/Minolta Alpha mount)
screen size is good (3 inches)
built in image stabilization (Sensor based)
MP count fantastic (25 megapixels)
great sensor size (Full frame)
delivers RAW formats
environment sealing
has dual storage slots
doesn't have liveview
does not have Time Lapse mode
73
you can focus manually
quite wide (24mm)
fast maximum aperture (f1.8)
screen size is good (3 inches)
image stabilization (Optical)
MP count good (20 megapixels)
nice sensor size (1")
exports RAW formats
fixed lens (fixed lens mount)
Photography Glossary

Vlogging Comparison

Sony A850 Vlogging advice
Sony RX100 III Vlogging advice
9
can't shoot video
80
quite wide (24mm)
fast maximum aperture (f1.8)
display is selfie friendly
image stabilization (Optical)
provides face detection autofocus
great video quality (1920 x 1080 resolution)
lighter than average (290 grams)
missing external microphone socket
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Sony A850 vs Sony RX100 III Specifications

Detailed spec comparison table for Sony A850 and Sony RX100 III
 Sony Alpha DSLR-A850Sony Cyber-shot DSC-RX100 III
General Information
Brand Sony Sony
Model type Sony Alpha DSLR-A850 Sony Cyber-shot DSC-RX100 III
Category Advanced DSLR Large Sensor Compact
Announced 2010-04-15 2014-05-15
Physical type Mid-size SLR Large Sensor Compact
Sensor Information
Powered by Bionz Bionz X
Sensor type CMOS BSI-CMOS
Sensor size Full frame 1"
Sensor measurements 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 resolution 6048 x 4032 5472 x 3648
Highest native ISO 3200 12800
Highest boosted ISO 6400 -
Min native ISO 200 125
RAW photos
Autofocusing
Focus manually
Autofocus touch
Autofocus continuous
Single autofocus
Tracking autofocus
Autofocus selectice
Autofocus center weighted
Multi area autofocus
Live view autofocus
Face detect focus
Contract detect focus
Phase detect focus
Total focus points 9 25
Lens
Lens support Sony/Minolta Alpha fixed lens
Lens zoom range - 24-70mm (2.9x)
Max aperture - f/1.8-2.8
Macro focusing range - 5cm
Number of lenses 143 -
Focal length multiplier 1 2.7
Screen
Display type Fixed Type Tilting
Display size 3 inches 3 inches
Display resolution 922k dots 1,229k dots
Selfie friendly
Liveview
Touch friendly
Display tech TFT Xtra Fine color LCD -
Viewfinder Information
Viewfinder Optical (pentaprism) Electronic
Viewfinder resolution - 1,440k dots
Viewfinder coverage 98 percent 100 percent
Viewfinder magnification 0.74x 0.59x
Features
Lowest shutter speed 30s 30s
Highest shutter speed 1/8000s 1/2000s
Continuous shooting rate 3.0 frames per second 10.0 frames per second
Shutter priority
Aperture priority
Manual mode
Exposure compensation Yes Yes
Set white balance
Image stabilization
Inbuilt flash
Flash distance no built-in flash -
Flash options Auto, On, Off, Red-Eye, Slow Sync, Rear Curtain, Fill-in, Wireless -
External flash
AEB
White balance bracketing
Highest flash synchronize 1/250s 1/2000s
Exposure
Multisegment exposure
Average exposure
Spot exposure
Partial exposure
AF area exposure
Center weighted exposure
Video features
Video resolutions - 1920 x 1080 (60p/60i/24p), 1280 x 720 (60p/30p/24p/120p), 1440 x 1080 (30 fps), 640 x 480 (30 fps)
Highest video resolution None 1920x1080
Video format - MPEG-4, AVCHD, XAVC S
Microphone port
Headphone port
Connectivity
Wireless None Built-In
Bluetooth
NFC
HDMI
USB USB 2.0 (480 Mbit/sec) USB 2.0 (480 Mbit/sec)
GPS None None
Physical
Environmental sealing
Water proofing
Dust proofing
Shock proofing
Crush proofing
Freeze proofing
Weight 895g (1.97 lbs) 290g (0.64 lbs)
Physical dimensions 156 x 117 x 82mm (6.1" x 4.6" x 3.2") 102 x 58 x 41mm (4.0" x 2.3" x 1.6")
DXO scores
DXO All around rating 79 67
DXO Color Depth rating 23.8 22.4
DXO Dynamic range rating 12.2 12.3
DXO Low light rating 1415 495
Other
Battery life 880 shots 320 shots
Type of battery Battery Pack Battery Pack
Battery ID NP-FM500H NP-BX1
Self timer Yes (2 or 10 sec) Yes (2 or 10 sec, self-portrait, continuous)
Time lapse recording With downloadable app
Type of storage Compact Flash (Type I or II), UDMA, Memory Stick Duo / Pro Duo SD/ SDHC/SDXC, Memory Stick Pro Duo/ Pro-HG Duo
Card slots 2 One
Retail cost $0 $748