Ricoh G900 vs Sony A33

Ricoh G900 front
Sony SLT-A33 front

Ricoh G900 vs Sony A33 Key Specs

Ricoh G900
(Full Review)
  • 20MP - 1/2.3" Sensor
  • 3" Fixed Display
  • ISO 125 - 6400
  • Digital Image Stabilization
  • 3840 x 2160 video
  • 28-140mm (F3.5-5.5) lens
  • 247g - 118 x 66 x 33mm
  • Announced February 2018
Sony A33
(Full Review)
  • 14MP - APS-C Sensor
  • 3" Fully Articulated Screen
  • ISO 100 - 12800 (Expand to 25600)
  • Sensor based Image Stabilization
  • 1920 x 1080 video
  • Sony/Minolta Alpha Mount
  • 500g - 124 x 92 x 85mm
  • Announced August 2010
  • Replacement is Sony A35
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Ricoh G900 vs Sony A33 Overview

Below is a thorough review of the Ricoh G900 and Sony A33, one being a Waterproof and the latter is a Entry-Level DSLR by brands Ricoh and Sony. There exists a sizeable gap between the sensor resolutions of the G900 (20MP) and A33 (14MP) and the G900 (1/2.3") and A33 (APS-C) posses totally different sensor sizing.

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The G900 was manufactured 7 years later than the A33 and that is quite a large gap as far as technology is concerned. Both the cameras feature different body design with the Ricoh G900 being a Compact camera and the Sony A33 being a Compact SLR camera.

Before getting straight to a full comparison, here is a simple introduction of how the G900 scores vs the A33 in the way of portability, imaging, features and an overall grade.

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Reasons to pick Ricoh G900 over the Sony A33

 G900 A33 
AnnouncedFebruary 2018August 2010More recent by 92 months
Screen resolution1040k921kCrisper screen (+119k dot)

Reasons to pick Sony A33 over the Ricoh G900

 A33 G900 
Screen typeFully ArticulatedFixed Fully Articulating screen
Selfie screen Take selfies

Common features in the Ricoh G900 and Sony A33

 G900 A33 
Manually focus Dial accurate focusing
Screen size3"3"Same screen measurement
Touch screen Neither provides Touch screen

Ricoh G900 vs Sony A33 Physical Comparison

If you're aiming to lug around your camera, you will want to take into account its weight and dimensions. The Ricoh G900 provides outer measurements of 118mm x 66mm x 33mm (4.6" x 2.6" x 1.3") having a weight of 247 grams (0.54 lbs) whilst the Sony A33 has dimensions of 124mm x 92mm x 85mm (4.9" x 3.6" x 3.3") accompanied by a weight of 500 grams (1.10 lbs).

Examine the Ricoh G900 and Sony A33 in the latest Camera with Lens Size Comparison Tool. Camera Size Comparison with Lenses

Keep in mind, the weight of an Interchangeable Lens Camera will differ based on the lens you are utilising at that moment. The following is a front view scale comparison of the G900 vs the A33.

Ricoh G900 vs Sony A33 size comparison

Factoring in dimensions and weight, the portability rating of the G900 and A33 is 89 and 67 respectively.

Ricoh G900 vs Sony A33 top view buttons comparison

Ricoh G900 vs Sony A33 Sensor Comparison

Typically, it is hard to visualise the difference between sensor measurements only by looking at technical specs. The graphic below will give you a clearer sense of the sensor sizing in the G900 and A33.

As you have seen, both of the cameras come with different resolutions and different sensor measurements. The G900 because of its tinier sensor will make shooting shallow depth of field harder and the Ricoh G900 will give more detail due to its extra 6MP. Higher resolution will also let you crop photographs a good deal more aggressively. The newer G900 is going to have an advantage in sensor technology.

Ricoh G900 vs Sony A33 sensor size comparison

Ricoh G900 vs Sony A33 Screen and ViewFinder

Ricoh G900 vs Sony A33 Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Ricoh G900 Portrait photography factors
Sony A33 Portrait photography factors
manual focus
decent megapixels (20MP)
supports face detect focusing
no manual control
can't use external flash
sensor size is very small (1/2.3")
lacks RAW files
manual focus
megapixel count good (14MP)
decent sensor size (APS-C)
includes face detect autofocus
saves RAW formats
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Street Comparison

Ricoh G900 Street photography highlights
Sony A33 Street photography highlights
has image stabilization (Digital)
environment sealing
screen does not articulate
sensor size is very small (1/2.3")
lacks RAW files
more heavy than average (247g)
screen articulates fully
has image stabilization (Sensor based)
decent sensor size (APS-C)
saves RAW formats
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Sports Comparison

Ricoh G900 Sports photography info
Sony A33 Sports photography info
has image stabilization (Digital)
decent megapixels (20MP)
supports tracking focus
environment sealing
great battery (340 CIPA)
no shutter priority mode
sensor size is very small (1/2.3")
lacks phase detect AF
has image stabilization (Sensor based)
megapixel count good (14MP)
decent sensor size (APS-C)
supports phase detect autofocus
not so great battery (340 per charge)
Photography Glossary

Travel Comparison

Ricoh G900 as a Travel photography camera
Sony A33 as a Travel photography camera
great battery (340 per charge)
environment sealing
decent megapixels (20MP)
built-in flash
really wide (28mm)
more heavy than average (247 grams)
screen isn't selfie friendly
somewhat slow max aperture (f3.5)
megapixel count good (14MP)
has built in flash
selfie friendly display
missing Timelapse recording
not so great battery (340 CIPA)
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Landscape Comparison

Ricoh G900 Landscape photography highlights
Sony A33 Landscape photography highlights
manual focus
really wide (28mm)
screen is a decent size (3 inch)
has image stabilization (Digital)
decent megapixels (20MP)
environment sealing
great battery (340 CIPA)
cannot change lenses (fixed lens mount)
somewhat slow max aperture (f3.5)
no manual control
sensor size is very small (1/2.3")
lacks RAW files
manual focus
switch lenses (Sony/Minolta Alpha mount)
pretty good screen size (3 inches)
has image stabilization (Sensor based)
megapixel count good (14MP)
decent sensor size (APS-C)
saves RAW formats
not so great battery (340 CIPA)
missing Timelapse recording
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Vlogging Comparison

Ricoh G900 Vlogging factors
Sony A33 Vlogging factors
really wide (28mm)
has image stabilization (Digital)
supports face detect focusing
high quality video (3840 x 2160 resolution)
somewhat slow max aperture (f3.5)
screen isn't selfie friendly
does not have microphone jack
more heavy than average (247g)
selfie friendly display
has image stabilization (Sensor based)
includes face detect autofocus
video res high (1920 x 1080 pxls)
comes with microphone socket
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Ricoh G900 vs Sony A33 Specifications

Detailed spec comparison table for Ricoh G900 and Sony A33
 Ricoh G900Sony SLT-A33
General Information
Company Ricoh Sony
Model type Ricoh G900 Sony SLT-A33
Class Waterproof Entry-Level DSLR
Announced 2018-02-21 2010-08-24
Physical type Compact Compact SLR
Sensor Information
Processor - Bionz
Sensor type BSI-CMOS CMOS
Sensor size 1/2.3" APS-C
Sensor measurements 6.17 x 4.55mm 23.5 x 15.6mm
Sensor surface area 28.1mm² 366.6mm²
Sensor resolution 20 megapixels 14 megapixels
Anti alias filter
Aspect ratio 1:1, 4:3 and 3:2 3:2 and 16:9
Full resolution 5184 x 3888 4592 x 3056
Max native ISO 6400 12800
Max boosted ISO - 25600
Lowest native ISO 125 100
RAW support
Manual focusing
Autofocus touch
Autofocus continuous
Autofocus single
Tracking autofocus
Autofocus selectice
Center weighted autofocus
Multi area autofocus
Live view autofocus
Face detect autofocus
Contract detect autofocus
Phase detect autofocus
Total focus points 9 15
Cross type focus points - 3
Lens mount type fixed lens Sony/Minolta Alpha
Lens zoom range 28-140mm (5.0x) -
Largest aperture f/3.5-5.5 -
Macro focusing range 1cm -
Available lenses - 143
Focal length multiplier 5.8 1.5
Type of display Fixed Type Fully Articulated
Display sizing 3" 3"
Display resolution 1,040k dots 921k dots
Selfie friendly
Touch function
Viewfinder Information
Viewfinder type None Electronic
Viewfinder resolution - 1,150k dots
Viewfinder coverage - 100 percent
Viewfinder magnification - 0.73x
Slowest shutter speed 4s 30s
Maximum shutter speed 1/4000s 1/4000s
Continuous shooting rate - 7.0 frames/s
Shutter priority
Aperture priority
Expose Manually
Exposure compensation - Yes
Custom white balance
Image stabilization
Inbuilt flash
Flash distance 5.50 m (with Auto ISO) 10.00 m (@ ISO 100)
Flash settings Flash on, flash off Auto, On, Off, Red-Eye, Slow Sync, High Speed Sync, Rear Curtain, Fill-in, Wireless
Hot shoe
WB bracketing
Maximum flash synchronize - 1/160s
Multisegment exposure
Average exposure
Spot exposure
Partial exposure
AF area exposure
Center weighted exposure
Video features
Supported video resolutions 3840x2160 1920 x 1080 (60, 29.97 fps), 1440 x 1080 (30fps), 640 x 424 (29.97 fps)
Max video resolution 3840x2160 1920x1080
Video format MPEG-4, H.264 MPEG-4, AVCHD, H.264
Microphone port
Headphone port
Wireless Supports FlashAir SD cards Eye-Fi Connected
USB DB-110 lithium-ion battery & USB charger USB 2.0 (480 Mbit/sec)
GPS Built-in None
Environmental sealing
Water proofing
Dust proofing
Shock proofing
Crush proofing
Freeze proofing
Weight 247g (0.54 lb) 500g (1.10 lb)
Physical dimensions 118 x 66 x 33mm (4.6" x 2.6" x 1.3") 124 x 92 x 85mm (4.9" x 3.6" x 3.3")
DXO scores
DXO All around rating not tested 70
DXO Color Depth rating not tested 22.8
DXO Dynamic range rating not tested 12.6
DXO Low light rating not tested 591
Battery life 340 images 340 images
Battery type Battery Pack Battery Pack
Battery ID - NP-FW50
Self timer Yes Yes (2 or 10 sec)
Time lapse recording
Storage type Internal + SD/SDHC/SDXC card SD/SDHC/SDXC/Memory Stick Pro Duo/ Pro-HG Duo
Card slots Single Single
Price at launch $752 $230