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Ricoh GR Digital III vs Sony A33

Portability
92
Imaging
34
Features
35
Overall
34
Ricoh GR Digital III front
 
Sony SLT-A33 front
Portability
67
Imaging
54
Features
80
Overall
64

Ricoh GR Digital III vs Sony A33 Key Specs

Ricoh GR Digital III
(Full Review)
  • 10MP - 1/1.7" Sensor
  • 3" Fixed Screen
  • ISO 64 - 1600
  • 640 x 480 video
  • 28mm (F1.9) lens
  • 208g - 109 x 59 x 26mm
  • Launched July 2009
  • Later Model is Ricoh GR Digital IV
Sony A33
(Full Review)
  • 14MP - APS-C Sensor
  • 3" Fully Articulated Display
  • ISO 100 - 12800 (Expand to 25600)
  • Sensor based Image Stabilization
  • 1920 x 1080 video
  • Sony/Minolta Alpha Mount
  • 500g - 124 x 92 x 85mm
  • Revealed August 2010
  • Later Model is Sony A35
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Ricoh GR Digital III vs Sony A33 Overview

Its time to look much closer at the Ricoh GR Digital III and Sony A33, former being a Small Sensor Compact while the other is a Entry-Level DSLR by rivals Ricoh and Sony. There is a noticeable difference between the sensor resolutions of the GR Digital III (10MP) and A33 (14MP) and the GR Digital III (1/1.7") and A33 (APS-C) feature different sensor size.

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The GR Digital III was announced 13 months prior to the A33 making the cameras a generation apart from each other. Both the cameras offer different body type with the Ricoh GR Digital III being a Compact camera and the Sony A33 being a Compact SLR camera.

Before going straight into a full comparison, below is a concise view of how the GR Digital III scores vs the A33 in regards to portability, imaging, features and an overall rating.

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Reasons to pick Ricoh GR Digital III over the Sony A33

 GR Digital III A33 

Reasons to pick Sony A33 over the Ricoh GR Digital III

 A33 GR Digital III 
RevealedAugust 2010July 2009Fresher by 13 months
Display typeFully ArticulatedFixed Fully Articulating display
Display resolution921k920kSharper display (+1k dot)
Selfie screen Easy selfies

Common features in the Ricoh GR Digital III and Sony A33

 GR Digital III A33 
Manual focus Very exact focus
Display sizing3"3"Equivalent display size
Touch friendly display Neither includes Touch friendly display

Ricoh GR Digital III vs Sony A33 Physical Comparison

If you're planning to carry your camera often, you need to factor in its weight and volume. The Ricoh GR Digital III features outer measurements of 109mm x 59mm x 26mm (4.3" x 2.3" x 1.0") accompanied by a weight of 208 grams (0.46 lbs) while the Sony A33 has sizing of 124mm x 92mm x 85mm (4.9" x 3.6" x 3.3") along with a weight of 500 grams (1.10 lbs).

Check out the Ricoh GR Digital III and Sony A33 in our brand new Camera & Lens Size Comparison Tool. Camera Size Comparison with Lenses

Keep in mind, the weight of an ILC will change dependant on the lens you have during that time. Underneath is the front view sizing comparison of the GR Digital III compared to the A33.

Ricoh GR Digital III vs Sony A33 size comparison

Looking at size and weight, the portability grade of the GR Digital III and A33 is 92 and 67 respectively.

Ricoh GR Digital III vs Sony A33 top view buttons comparison

Ricoh GR Digital III vs Sony A33 Sensor Comparison

Generally, it is difficult to imagine the contrast between sensor sizing only by reading specs. The visual below will help give you a much better sense of the sensor measurements in the GR Digital III and A33.

As you can plainly see, both of those cameras offer different megapixels and different sensor sizing. The GR Digital III having a tinier sensor is going to make achieving bokeh more difficult and the Sony A33 will offer you more detail with its extra 4MP. Greater resolution will also let you crop photos a little more aggressively. The older GR Digital III is going to be disadvantaged with regard to sensor innovation.

Ricoh GR Digital III vs Sony A33 sensor size comparison

Ricoh GR Digital III vs Sony A33 Screen and ViewFinder

Ricoh GR Digital III vs Sony A33 Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Ricoh GR Digital III Portrait photography factors
Sony A33 Portrait photography factors
40
you can focus manually
supports RAW formats
low MP (10 megapixels)
small sensor size (1/1.7")
72
focusing manually
decent megapixels (14MP)
sensor size is nice (APS-C)
offers face detection autofocus
exports RAW files
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Street Comparison

Ricoh GR Digital III Street photography details
Sony A33 Street photography details
55
supports RAW formats
screen does not articulate
does not have image stabilization
small sensor size (1/1.7")
76
fully articulated screen
has image stabilization (Sensor based)
sensor size is nice (APS-C)
exports RAW files
Photography Glossary

Sports Comparison

Ricoh GR Digital III as a Sports photography camera
Sony A33 as a Sports photography camera
17
can't change focal length (28mm)
does not have image stabilization
low MP (10MP)
small sensor size (1/1.7")
lack of phase detect AF
67
has image stabilization (Sensor based)
decent megapixels (14MP)
sensor size is nice (APS-C)
has phase detect autofocus
low battery power (340 per charge)
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Travel Comparison

Travel photography with Ricoh GR Digital III
Travel photography with Sony A33
63
has built in flash
good max aperture (f1.9)
low MP (10 megapixels)
screen is not selfie friendly
61
decent megapixels (14 megapixels)
has built in flash
display is selfie friendly
missing Time Lapse recording
low battery power (340 shots)
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Landscape Comparison

Landscape photography with Ricoh GR Digital III
Landscape photography with Sony A33
45
you can focus manually
good max aperture (f1.9)
screen size is good (3")
supports RAW formats
fixed lens (fixed lens mount)
can't change focal length (28mm)
does not have image stabilization
low MP (10MP)
small sensor size (1/1.7")
67
focusing manually
swap lenses (Sony/Minolta Alpha mount)
nice screen size (3 inches)
has image stabilization (Sensor based)
decent megapixels (14 megapixels)
sensor size is nice (APS-C)
exports RAW files
low battery power (340 per charge)
missing Time Lapse recording
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Vlogging Comparison

Ricoh GR Digital III Vlogging details
Sony A33 Vlogging details
25
good max aperture (f1.9)
screen is not selfie friendly
does not have image stabilization
video quality not great (640 x 480 pxls)
no mic jack
77
display is selfie friendly
has image stabilization (Sensor based)
offers face detection autofocus
high res video (1920 x 1080 resolution)
has external mic jack
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Ricoh GR Digital III vs Sony A33 Specifications

Detailed spec comparison table for Ricoh GR Digital III and Sony A33
 Ricoh GR Digital IIISony SLT-A33
General Information
Company Ricoh Sony
Model Ricoh GR Digital III Sony SLT-A33
Class Small Sensor Compact Entry-Level DSLR
Launched 2009-07-27 2010-08-24
Body design Compact Compact SLR
Sensor Information
Powered by GR engine III Bionz
Sensor type CCD CMOS
Sensor size 1/1.7" APS-C
Sensor dimensions 7.44 x 5.58mm 23.5 x 15.6mm
Sensor area 41.5mm² 366.6mm²
Sensor resolution 10 megapixel 14 megapixel
Anti aliasing filter
Aspect ratio 1:1, 4:3 and 3:2 3:2 and 16:9
Highest resolution 3648 x 2736 4592 x 3056
Highest native ISO 1600 12800
Highest boosted ISO - 25600
Min native ISO 64 100
RAW photos
Autofocusing
Manual focus
Touch focus
Autofocus continuous
Single autofocus
Autofocus tracking
Selective autofocus
Autofocus center weighted
Multi area autofocus
Autofocus live view
Face detection focus
Contract detection focus
Phase detection focus
Number of focus points - 15
Cross focus points - 3
Lens
Lens mounting type fixed lens Sony/Minolta Alpha
Lens focal range 28mm (1x) -
Maximal aperture f/1.9 -
Macro focus range 1cm -
Number of lenses - 143
Crop factor 4.8 1.5
Screen
Range of screen Fixed Type Fully Articulated
Screen diagonal 3 inch 3 inch
Screen resolution 920k dot 921k dot
Selfie friendly
Liveview
Touch function
Viewfinder Information
Viewfinder Optical (optional) Electronic
Viewfinder resolution - 1,150k dot
Viewfinder coverage - 100 percent
Viewfinder magnification - 0.73x
Features
Lowest shutter speed 1s 30s
Highest shutter speed 1/2000s 1/4000s
Continuous shooting speed - 7.0 frames per second
Shutter priority
Aperture priority
Manually set exposure
Exposure compensation Yes Yes
Custom white balance
Image stabilization
Inbuilt flash
Flash range 3.00 m 10.00 m (@ ISO 100)
Flash options Auto, On, Off, Red-Eye, Slow Sync, Manual Auto, On, Off, Red-Eye, Slow Sync, High Speed Sync, Rear Curtain, Fill-in, Wireless
Hot shoe
AEB
White balance bracketing
Highest flash sync - 1/160s
Exposure
Multisegment metering
Average metering
Spot metering
Partial metering
AF area metering
Center weighted metering
Video features
Supported video resolutions 640 x 480 (30, 15 fps), 320 x 240 (30, 15 fps) 1920 x 1080 (60, 29.97 fps), 1440 x 1080 (30fps), 640 x 424 (29.97 fps)
Highest video resolution 640x480 1920x1080
Video format - MPEG-4, AVCHD, H.264
Mic input
Headphone input
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
Environment seal
Water proof
Dust proof
Shock proof
Crush proof
Freeze proof
Weight 208 grams (0.46 lbs) 500 grams (1.10 lbs)
Dimensions 109 x 59 x 26mm (4.3" x 2.3" x 1.0") 124 x 92 x 85mm (4.9" x 3.6" x 3.3")
DXO scores
DXO All around score not tested 70
DXO Color Depth score not tested 22.8
DXO Dynamic range score not tested 12.6
DXO Low light score not tested 591
Other
Battery life - 340 pictures
Battery format - Battery Pack
Battery model - NP-FW50
Self timer Yes (2 or 10 sec) Yes (2 or 10 sec)
Time lapse feature
Storage media SD/SDHC, Internal SD/SDHC/SDXC/Memory Stick Pro Duo/ Pro-HG Duo
Storage slots Single Single
Price at launch $399 $230