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Ricoh GR III vs Sony A55

Portability
90
Imaging
69
Features
62
Overall
66
Ricoh GR III front
 
Sony SLT-A55 front
Portability
67
Imaging
56
Features
80
Overall
65

Ricoh GR III vs Sony A55 Key Specs

Ricoh GR III
(Full Review)
  • 24MP - APS-C Sensor
  • 3" Fixed Display
  • ISO 100 - 102400
  • Sensor-shift Image Stabilization
  • No Anti-Alias Filter
  • 1920 x 1080 video
  • 28mm (F2.8-16) lens
  • 257g - 109 x 62 x 33mm
  • Introduced September 2018
  • Superseded the Ricoh GR III
  • Successor is Ricoh GR III
Sony A55
(Full Review)
  • 16MP - APS-C Sensor
  • 3" Fully Articulated Display
  • ISO 100 - 12800 (Bump to 25600)
  • Sensor based Image Stabilization
  • 1920 x 1080 video
  • Sony/Minolta Alpha Mount
  • 500g - 124 x 92 x 85mm
  • Introduced August 2010
  • Renewed by Sony A57
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Ricoh GR III vs Sony A55 Overview

Its time to look a little more closely at the Ricoh GR III and Sony A55, one is a Large Sensor Compact and the other is a Entry-Level DSLR by competitors Ricoh and Sony. There is a crucial difference between the image resolutions of the GR III (24MP) and A55 (16MP) but they enjoy the same exact sensor size (APS-C).

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The GR III was announced 8 years after the A55 which is quite a serious gap as far as tech is concerned. Both of the cameras offer different body type with the Ricoh GR III being a Large Sensor Compact camera and the Sony A55 being a Compact SLR camera.

Before we go in to a full comparison, below is a quick synopsis of how the GR III scores versus the A55 when considering portability, imaging, features and an overall mark.

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Reasons to pick Ricoh GR III over the Sony A55

 GR III A55 
IntroducedSeptember 2018August 2010Newer by 99 months
Display resolution1037k921kSharper display (+116k dot)
Touch friendly display Easily navigate

Reasons to pick Sony A55 over the Ricoh GR III

 A55 GR III 
Display typeFully ArticulatedFixed Fully Articulating display
Selfie screen Easy selfies

Common features in the Ricoh GR III and Sony A55

 GR III A55 
Focus manually Very exact focus
Display sizing3"3"Equivalent display size

Ricoh GR III vs Sony A55 Physical Comparison

For those who are aiming to travel with your camera, you should take into account its weight and measurements. The Ricoh GR III has got outside dimensions of 109mm x 62mm x 33mm (4.3" x 2.4" x 1.3") accompanied by a weight of 257 grams (0.57 lbs) and the Sony A55 has proportions of 124mm x 92mm x 85mm (4.9" x 3.6" x 3.3") accompanied by a weight of 500 grams (1.10 lbs).

Check out the Ricoh GR III and Sony A55 in the latest Camera and Lens Size Comparison Tool. Camera Size Comparison with Lenses

Bear in mind, the weight of an Interchangeable Lens Camera will change depending on the lens you select at that moment. Below is the front view proportions comparison of the GR III vs the A55.

Ricoh GR III vs Sony A55 size comparison

Taking into account size and weight, the portability grade of the GR III and A55 is 90 and 67 respectively.

Ricoh GR III vs Sony A55 top view buttons comparison

Ricoh GR III vs Sony A55 Sensor Comparison

In many cases, it's difficult to envision the difference between sensor dimensions merely by looking at specs. The picture below may give you a stronger sense of the sensor dimensions in the GR III and A55.

All in all, the 2 cameras enjoy the same exact sensor sizing but not the same megapixels. You should expect to see the Ricoh GR III to resolve more detail with its extra 8MP. Greater resolution can also let you crop images far more aggressively. The fresher GR III is going to have a benefit when it comes to sensor tech.

Ricoh GR III vs Sony A55 sensor size comparison

Ricoh GR III vs Sony A55 Screen and ViewFinder

Ricoh GR III vs Sony A55 Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Portrait photography with Ricoh GR III
Portrait photography with Sony A55
81
manual focus
good MP (24 megapixels)
sensor size is good (APS-C)
includes face detect focus
delivers RAW files
73
focusing manually
MP count good (16MP)
decent sensor size (APS-C)
supports face detect autofocus
exports RAW files
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Street Comparison

Ricoh GR III Street photography info
Sony A55 Street photography info
84
has image stabilization (Sensor-shift)
sensor size is good (APS-C)
delivers RAW files
offers touch to focus
lighter than competitors in class (257 grams)
great ISO range (102,400)
screen is fixed
77
screen articulates fully
has image stabilization (Sensor based)
decent sensor size (APS-C)
exports RAW files
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Sports Comparison

Ricoh GR III as a Sports photography camera
Sony A55 as a Sports photography camera
76
has image stabilization (Sensor-shift)
good MP (24 megapixels)
sensor size is good (APS-C)
includes tracking focus
sensor has phase detect auto focus
focal length is fixed (28mm)
68
has image stabilization (Sensor based)
MP count good (16MP)
decent sensor size (APS-C)
sensor has phase detect autofocus
bad battery power (380 shots)
Photography Glossary

Travel Comparison

Ricoh GR III as a Travel photography camera
Sony A55 as a Travel photography camera
69
lighter than competitors in class (257g)
offers touch to focus
good MP (24MP)
does not have Timelapse recording
does not offer selfie friendly display
slow max aperture (f2.8)
62
MP count good (16MP)
flash built-in
selfie friendly display
no Time Lapse recording
bad battery power (380 shots)
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Landscape Comparison

Ricoh GR III Landscape photography info
Sony A55 Landscape photography info
69
manual focus
nice screen size (3 inch)
has image stabilization (Sensor-shift)
good MP (24MP)
sensor size is good (APS-C)
does not have anti-alias filter
great ISO range (102,400)
delivers RAW files
lens is fixed (fixed lens mount)
focal length is fixed (28mm)
slow max aperture (f2.8)
does not have Timelapse recording
67
focusing manually
switch lenses (Sony/Minolta Alpha mount)
screen size is good (3 inch)
has image stabilization (Sensor based)
MP count good (16 megapixels)
decent sensor size (APS-C)
exports RAW files
bad battery power (380 per charge)
no Time Lapse recording
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Vlogging Comparison

Vlogging with Ricoh GR III
Vlogging with Sony A55
37
built-in touchscreen
has image stabilization (Sensor-shift)
includes face detect focus
great video quality (1920 x 1080 pixels)
lighter than competitors in class (257g)
slow max aperture (f2.8)
does not offer selfie friendly display
does not have microphone support
78
selfie friendly display
has image stabilization (Sensor based)
supports face detect autofocus
high quality video (1920 x 1080 resolution)
includes mic support
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Ricoh GR III vs Sony A55 Specifications

Detailed spec comparison table for Ricoh GR III and Sony A55
 Ricoh GR IIISony SLT-A55
General Information
Company Ricoh Sony
Model Ricoh GR III Sony SLT-A55
Type Large Sensor Compact Entry-Level DSLR
Introduced 2018-09-25 2010-08-24
Physical type Large Sensor Compact Compact SLR
Sensor Information
Processor - Bionz
Sensor type CMOS CMOS
Sensor size APS-C APS-C
Sensor dimensions 23.5 x 15.6mm 23.5 x 15.6mm
Sensor area 366.6mm² 366.6mm²
Sensor resolution 24 megapixel 16 megapixel
Anti aliasing filter
Aspect ratio 1:1 and 3:2 3:2 and 16:9
Highest resolution 6000 x 4000 4912 x 3264
Highest native ISO 102400 12800
Highest boosted ISO - 25600
Min native ISO 100 100
RAW photos
Autofocusing
Manual focus
Autofocus touch
Continuous autofocus
Single autofocus
Tracking autofocus
Selective autofocus
Autofocus center weighted
Autofocus multi area
Autofocus live view
Face detect focus
Contract detect focus
Phase detect focus
Number of focus points - 15
Cross focus points - 3
Lens
Lens mount fixed lens Sony/Minolta Alpha
Lens focal range 28mm (1x) -
Largest aperture f/2.8-16 -
Macro focus distance 6cm -
Available lenses - 143
Focal length multiplier 1.5 1.5
Screen
Type of display Fixed Type Fully Articulated
Display sizing 3 inch 3 inch
Display resolution 1,037 thousand dots 921 thousand dots
Selfie friendly
Liveview
Touch screen
Viewfinder Information
Viewfinder Optical (optional) Electronic
Viewfinder resolution - 1,150 thousand dots
Viewfinder coverage - 100%
Viewfinder magnification - 0.73x
Features
Lowest shutter speed 30s 30s
Highest shutter speed 1/4000s 1/4000s
Continuous shooting rate - 10.0 frames/s
Shutter priority
Aperture priority
Expose Manually
Exposure compensation Yes Yes
Change white balance
Image stabilization
Inbuilt flash
Flash range no built-in flash 10.00 m (@ ISO 100)
Flash modes Auto, Flash On, Flash On+Red-eye, Slow-speed Sync, Slow Sync+Red-eye Auto, On, Off, Red-Eye, Slow Sync, High Speed Sync, Rear Curtain, Fill-in, Wireless
External flash
Auto exposure bracketing
White balance bracketing
Highest flash synchronize - 1/160s
Exposure
Multisegment exposure
Average exposure
Spot exposure
Partial exposure
AF area exposure
Center weighted exposure
Video features
Supported video resolutions 1920 x 1080 @ 60p, MOV, H.264, Linear PCM 1920 x 1080 (60, 29.97 fps), 1440 x 1080 (30fps), 640 x 424 (29.97 fps)
Highest video resolution 1920x1080 1920x1080
Video file format MPEG-4, H.264 MPEG-4, AVCHD, H.264
Mic support
Headphone support
Connectivity
Wireless Built-In Eye-Fi Connected
Bluetooth
NFC
HDMI
USB Yes USB 2.0 (480 Mbit/sec)
GPS None BuiltIn
Physical
Environmental sealing
Water proof
Dust proof
Shock proof
Crush proof
Freeze proof
Weight 257 grams (0.57 pounds) 500 grams (1.10 pounds)
Dimensions 109 x 62 x 33mm (4.3" x 2.4" x 1.3") 124 x 92 x 85mm (4.9" x 3.6" x 3.3")
DXO scores
DXO All around score not tested 73
DXO Color Depth score not tested 23.0
DXO Dynamic range score not tested 12.4
DXO Low light score not tested 816
Other
Battery life - 380 pictures
Form of battery - Battery Pack
Battery model - NP-FW50
Self timer Yes Yes (2 or 10 sec)
Time lapse recording
Storage type Internal, SD/SDHC/SDXC (UHS-I supported) SD/SDHC/SDXC/Memory Stick Pro Duo/ Pro-HG Duo
Card slots One One
Retail cost $900 $800