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Pentax WG-3 GPS vs Ricoh G900

Portability
90
Imaging
40
Features
43
Overall
41
Pentax WG-3 GPS front
 
Ricoh G900 front
Portability
89
Imaging
47
Features
46
Overall
46

Pentax WG-3 GPS vs Ricoh G900 Key Specs

Pentax WG-3 GPS
(Full Review)
  • 16MP - 1/2.3" Sensor
  • 3" Fixed Display
  • ISO 125 - 6400
  • Sensor-shift Image Stabilization
  • 1920 x 1080 video
  • 25-100mm (F2.0-4.9) lens
  • 238g - 125 x 64 x 33mm
  • Released July 2013
Ricoh G900
(Full Review)
  • 20MP - 1/2.3" Sensor
  • 3" Fixed Screen
  • ISO 125 - 6400
  • Digital Image Stabilization
  • 3840 x 2160 video
  • 28-140mm (F3.5-5.5) lens
  • 247g - 118 x 66 x 33mm
  • Released February 2018
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Pentax WG-3 GPS vs Ricoh G900 Overview

Here, we will be evaluating the Pentax WG-3 GPS and Ricoh G900, both Waterproof cameras by brands Pentax and Ricoh. The sensor resolution of the WG-3 GPS (16MP) and the G900 (20MP) is relatively close and both cameras offer the identical sensor sizes (1/2.3").

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The WG-3 GPS was announced 5 years prior to the G900 which is a fairly sizable gap as far as camera technology is concerned. Both the cameras feature the same body design (Compact).

Before diving right into a more detailed comparison, here is a short highlight of how the WG-3 GPS grades against the G900 when considering portability, imaging, features and an overall score.

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Reasons to pick Pentax WG-3 GPS over the Ricoh G900

 WG-3 GPS G900 

Reasons to pick Ricoh G900 over the Pentax WG-3 GPS

 G900 WG-3 GPS 
ReleasedFebruary 2018July 2013More modern by 55 months
Screen resolution1040k460kSharper screen (+580k dot)

Common features in the Pentax WG-3 GPS and Ricoh G900

 WG-3 GPS G900 
Manual focus Dial accurate focus
Screen typeFixed Fixed Fixed screen
Screen size3"3"Same screen dimensions
Selfie screen Missing selfie screen
Touch friendly screen Missing Touch friendly screen

Pentax WG-3 GPS vs Ricoh G900 Physical Comparison

For anyone who is planning to carry around your camera regularly, you should take into account its weight and volume. The Pentax WG-3 GPS provides outer dimensions of 125mm x 64mm x 33mm (4.9" x 2.5" x 1.3") along with a weight of 238 grams (0.52 lbs) while the Ricoh G900 has sizing of 118mm x 66mm x 33mm (4.6" x 2.6" x 1.3") having a weight of 247 grams (0.54 lbs).

See the Pentax WG-3 GPS and Ricoh G900 in the latest Camera with Lens Size Comparison Tool. Camera Size Comparison with Lenses

Take into consideration, the weight of an Interchangeable Lens Camera will differ dependant on the lens you choose at that moment. Below is a front view dimension comparison of the WG-3 GPS against the G900.

Pentax WG-3 GPS vs Ricoh G900 size comparison

Considering dimensions and weight, the portability rating of the WG-3 GPS and G900 is 90 and 89 respectively.

Pentax WG-3 GPS vs Ricoh G900 top view buttons comparison

Pentax WG-3 GPS vs Ricoh G900 Sensor Comparison

Normally, it can be hard to see the difference in sensor sizes purely by looking through a spec sheet. The pic below might offer you a better sense of the sensor sizes in the WG-3 GPS and G900.

As you can see, both of the cameras feature the identical sensor size albeit not the same megapixels. You should count on the Ricoh G900 to provide you with more detail with its extra 4MP. Higher resolution will let you crop shots way more aggressively. The more aged WG-3 GPS will be behind in sensor innovation.

Pentax WG-3 GPS vs Ricoh G900 sensor size comparison

Pentax WG-3 GPS vs Ricoh G900 Screen and ViewFinder

Pentax WG-3 GPS vs Ricoh G900 Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Pentax WG-3 GPS as a Portrait photography camera
Ricoh G900 as a Portrait photography camera
41
manual focus
MP count decent (16MP)
comes with face detection autofocus
manual exposure not available
can't use external flash
sensor is tiny (1/2.3")
lacks RAW support
45
you can focus manually
MP count good (20 megapixels)
provides face detect autofocus
no manual mode
can't use external flash
sensor is tiny (1/2.3")
doesn't have RAW format
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Street Comparison

Pentax WG-3 GPS Street photography advice
Ricoh G900 Street photography advice
59
built in image stabilization (Sensor-shift)
environment proofing
no moving screen
sensor is tiny (1/2.3")
lacks RAW support
more heavy than others (238g)
60
has image stabilization (Digital)
environment sealing
fixed screen
sensor is tiny (1/2.3")
doesn't have RAW format
heavier than average (247g)
Photography Glossary

Sports Comparison

Pentax WG-3 GPS Sports photography info
Ricoh G900 Sports photography info
45
built in image stabilization (Sensor-shift)
MP count decent (16 megapixels)
comes with tracking autofocus
environment proofing
lack of shutter priority mode
sensor is tiny (1/2.3")
not so great battery pack (240 per charge)
lacks phase detect autofocus
54
has image stabilization (Digital)
MP count good (20 megapixels)
provides tracking focus
environment sealing
good battery power (340 shots)
no shutter priority
sensor is tiny (1/2.3")
doesn't have phase detect autofocus
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Travel Comparison

Pentax WG-3 GPS Travel photography highlights
Ricoh G900 Travel photography highlights
69
environment proofing
MP count decent (16MP)
built-in flash
really wide (25mm)
fast max aperture (f2.0)
not so great battery pack (240 CIPA)
more heavy than others (238g)
screen isn't selfie friendly
70
good battery power (340 per charge)
environment sealing
MP count good (20 megapixels)
flash built-in
fairly wide (28mm)
heavier than average (247g)
display is not selfie friendly
somewhat slow max aperture (f3.5)
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Landscape Comparison

Pentax WG-3 GPS Landscape photography info
Ricoh G900 Landscape photography info
54
manual focus
really wide (25mm)
fast max aperture (f2.0)
screen is a decent size (3")
built in image stabilization (Sensor-shift)
MP count decent (16 megapixels)
environment proofing
fixed lens (fixed lens mount)
manual exposure not available
sensor is tiny (1/2.3")
lacks RAW support
not so great battery pack (240 CIPA)
56
you can focus manually
fairly wide (28mm)
pretty good screen size (3 inch)
has image stabilization (Digital)
MP count good (20MP)
environment sealing
good battery power (340 CIPA)
can't change lens (fixed lens mount)
somewhat slow max aperture (f3.5)
no manual mode
sensor is tiny (1/2.3")
doesn't have RAW format
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Vlogging Comparison

Vlogging with Pentax WG-3 GPS
Vlogging with Ricoh G900
34
really wide (25mm)
fast max aperture (f2.0)
built in image stabilization (Sensor-shift)
comes with face detection autofocus
video res high (1920 x 1080 pxls)
screen isn't selfie friendly
lack of external microphone socket
more heavy than others (238 grams)
32
fairly wide (28mm)
has image stabilization (Digital)
provides face detect autofocus
high quality video (3840 x 2160 pxls)
somewhat slow max aperture (f3.5)
display is not selfie friendly
missing mic support
heavier than average (247g)
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Pentax WG-3 GPS vs Ricoh G900 Specifications

Detailed spec comparison table for Pentax WG-3 GPS and Ricoh G900
 Pentax WG-3 GPSRicoh G900
General Information
Brand Pentax Ricoh
Model type Pentax WG-3 GPS Ricoh G900
Class Waterproof Waterproof
Released 2013-07-19 2018-02-21
Physical type Compact Compact
Sensor Information
Sensor type BSI-CMOS BSI-CMOS
Sensor size 1/2.3" 1/2.3"
Sensor dimensions 6.17 x 4.55mm 6.17 x 4.55mm
Sensor surface area 28.1mm² 28.1mm²
Sensor resolution 16 megapixel 20 megapixel
Anti alias filter
Aspect ratio 1:1, 4:3 and 16:9 1:1, 4:3 and 3:2
Full resolution 4608 x 3456 5184 x 3888
Max native ISO 6400 6400
Minimum native ISO 125 125
RAW format
Autofocusing
Focus manually
AF touch
Continuous AF
Single AF
AF tracking
AF selectice
Center weighted AF
AF multi area
Live view AF
Face detect AF
Contract detect AF
Phase detect AF
Total focus points 9 9
Lens
Lens support fixed lens fixed lens
Lens zoom range 25-100mm (4.0x) 28-140mm (5.0x)
Maximal aperture f/2.0-4.9 f/3.5-5.5
Macro focusing range 1cm 1cm
Focal length multiplier 5.8 5.8
Screen
Display type Fixed Type Fixed Type
Display sizing 3 inch 3 inch
Display resolution 460k dots 1,040k dots
Selfie friendly
Liveview
Touch display
Display technology Widescreen TFT color LCD with anti-reflective coating -
Viewfinder Information
Viewfinder None None
Features
Lowest shutter speed 4s 4s
Highest shutter speed 1/4000s 1/4000s
Shutter priority
Aperture priority
Manually set exposure
Custom WB
Image stabilization
Integrated flash
Flash distance 3.40 m 5.50 m (with Auto ISO)
Flash options Auto, On, Off, Red-eye, Soft Flash on, flash off
External flash
Auto exposure bracketing
White balance bracketing
Exposure
Multisegment exposure
Average exposure
Spot exposure
Partial exposure
AF area exposure
Center weighted exposure
Video features
Video resolutions 1920 x 1080 (30 fps), 1280 x 720 (60, 30 fps) 3840x2160
Max video resolution 1920x1080 3840x2160
Video file format MPEG-4, H.264 MPEG-4, H.264
Mic support
Headphone support
Connectivity
Wireless Eye-Fi Connected Supports FlashAir SD cards
Bluetooth
NFC
HDMI
USB USB 2.0 (480 Mbit/sec) DB-110 lithium-ion battery & USB charger
GPS BuiltIn Built-in
Physical
Environmental sealing
Water proofing
Dust proofing
Shock proofing
Crush proofing
Freeze proofing
Weight 238g (0.52 pounds) 247g (0.54 pounds)
Physical dimensions 125 x 64 x 33mm (4.9" x 2.5" x 1.3") 118 x 66 x 33mm (4.6" x 2.6" x 1.3")
DXO scores
DXO All around rating not tested not tested
DXO Color Depth rating not tested not tested
DXO Dynamic range rating not tested not tested
DXO Low light rating not tested not tested
Other
Battery life 240 pictures 340 pictures
Battery style Battery Pack Battery Pack
Battery ID D-LI92 -
Self timer Yes (2 or 10 sec) Yes
Time lapse shooting
Type of storage SD/SDHC/SDXC card, Internal Internal + SD/SDHC/SDXC card
Card slots Single Single
Retail pricing $350 $752