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Ricoh G900 vs Pentax WG-3 GPS Comparison

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Camera to replace
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Ricoh G900

20 MP | 1/2.3 BSI-CMOS Sensor

Ricoh G900
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Pentax WG-3 GPS

16 MP | 1/2.3" (6.17 x 4.55 mm) BSI-CMOS Sensor

Pentax WG-3 GPS
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Ricoh G900 vs Pentax WG-3 GPS Comparison Overview

In this review, we will be comparing G900 and WG-3 GPS, two Waterproof cameras from Ricoh and Pentax. Ricoh G900 was introduced to market in February 2018 and Pentax WG-3 GPS was launched in July 2013. As you can see, WG-3 GPS is 5 years older than G900. Let's see if this age difference between two cameras makes a big difference.

Here is a brief look at the main features of Ricoh G900 and Pentax WG-3 GPS before getting into our more detailed comparison.

Ricoh G900 Key Specs

  • Announcement Date: 2018-02-21
  • 20MP - 1/2.3 BSI-CMOS Sensor
  • ISO 125 - 6400
  • 28-140 mm F3.5-5.5 Zoom Lens
  • 3.00" Fixed Type Screen
  • fps continuous shooting
  • 4K (UHD) - 3840 x 2160 video resolution
  • 247g. 118 x 66 x 33 mm
  • Weather Sealed Body

Pentax WG-3 GPS Key Specs

  • Announcement Date: 2013-07-19
  • 16MP - 1/2.3-inch BSI-CMOS Sensor
  • ISO 125 - 6400
  • 25-100 mm F2.0-4.9 Zoom Lens
  • Sensor-shift Image Stabilization
  • 3.00" Fixed Type Screen
  • fps continuous shooting
  • Full HD - 1920 x 1080 video resolution
  • Built-in GPS
  • 238g. 125 x 64 x 33 mm
  • Weather Sealed Body

Let's read on the following sections in order to better understand in detail how Ricoh G900 and Pentax WG-3 GPS compares and hopefully end up with enough arguments to decide which one is better for you.


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Reasons to choose Ricoh G900 over Pentax WG-3 GPS
Sensor Resolution
20 MP vs 16 MP 25% more pixels
LCD Resolution
1.040k dots vs 460k dots 126% higher resolution screen
Battery Life
340 shots vs 240 shots 100 more frames with a single charge
Focal Length - Tele
140mm vs 100mm 40 mm longer tele reach
Optical Zoom
5x vs 4× more flexible focal coverage
Flash Coverage
5.5m vs 3.4m 2.1m longer range
Max Video Resolution
3840 x 2160 vs 1920 x 1080 Higher Resolution Video
AE Bracketing
Yes vs No Useful for tough lighting conditions and HDR
USB Version
USB 3.0 (5 GBit/sec) vs USB 2.0 (480 Mbit/sec) Faster Data transfer from the camera
CHECK G900 PRICE


Reasons to choose Pentax WG-3 GPS over Ricoh G900
In-built Image Stabilization
Sensor-shift vs None Sharper images at longer focal lengths and slow shutter speeds
Weight
238 g vs 247 g 9 g lighter
Focal Length - Wide
25mm vs 28mm 3 mm wider coverage
Max Aperture - Wide
2.00 vs 3.50 faster lens at wide
Max Aperture - Tele
4.90 vs 5.50 faster lens at tele
CHECK WG-3 GPS PRICE

Common Strengths of Ricoh G900 and Pentax WG-3 GPS
Built-in Flash
Yes vs Yes Useful in low-light
Face Detection Focus
Yes vs Yes very handy for portraits
Manual Focusing
Yes vs Yes both have manual focusing modes
Environmental Sealing
Yes vs Yes shoot at tough conditions
Timelapse Recording
Yes vs Yes creative shooting
Common Weaknesses of Ricoh G900 and Pentax WG-3 GPS
Fixed Screen
Fixed Type vs No Screen tilts or Flips out independently, perfect for both stills and video
External Flash Shoe
No vs No Not suitable for flash photography
Viewfinder
None vs None No eye-level shooting option
RAW Support
No vs No Lower image quality
New4
Ricoh G900 vs Pentax WG-3 GPS: Physical Specs and Body features Comparison

Size and weight is a big decision factor when you are trying to find the ideal camera for your needs. In this section, We are going to illustrate Ricoh G900 and Pentax WG-3 GPS side-by-side from the front, back and top in their relative dimensions. Ricoh G900 has external dimensions of 118 x 66 x 33 mm (4.65 x 2.6 x 1.3″) and weighs 247 g (0.54 lb / 8.71 oz) (including batteries). Pentax WG-3 GPS has external dimensions of 125 x 64 x 33 mm (4.9 x 2.5 x 1.3″) and weighs 238 g (0.52 lb / 8.40 oz) (including batteries).

Below you can see the front view size comparison of Ricoh G900 and Pentax WG-3 GPS.

Ricoh G900 vs Pentax WG-3 GPS Camera Size Comparison - Front View
Comparison image of Ricoh G900 and Pentax WG-3 GPS Size, Weight and External Dimensions - Front View

Here is the back view size comparison of Ricoh G900 and Pentax WG-3 GPS.

Ricoh G900 vs Pentax WG-3 GPS Camera Size Comparison - Back View
Comparison image of Ricoh G900 and Pentax WG-3 GPS Size and Weight - Back View

Now lets look at the top view comparison of Ricoh G900 and Pentax WG-3 GPS.
Ricoh G900 vs Pentax WG-3 GPS Camera Size Comparison - Top View
Top View Comparison image of Ricoh G900 and Pentax WG-3 GPS Size

Weight is another important factor especially when deciding on a camera that you want to carry with you all day. Pentax WG-3 GPS is 9g lighter than the Ricoh G900 but we don't think this will make a significant difference.

Weight Comparison

Waterproof Cameras

G900
WG-3 GPS
Min
Average
Max
Thickness Comparison

Waterproof Cameras

G900
WG-3 GPS
Min
Average
Max

Weather Sealing

LCD Screen Size and Features

Ricoh G900 and Pentax WG-3 GPS's LCD screens has the same diagonal size of 3.00".

Unfortunately, both cameras has fixed screens so they don't tilt or flip in directions.
Ricoh G900 vs Pentax WG-3 GPS: Sensor Comparison

Ricoh G900 has a 20.0MP 1/2.3 (6.17 x 4.55 mm ) sized BSI-CMOS sensor . On the other hand, Pentax WG-3 GPS has a 16.0MP 1/2.3-inch (6.17 x 4.55 mm ) sized BSI-CMOS sensor .

Below you can see the G900 and WG-3 GPS sensor size comparison.

Ricoh G900 vs Pentax WG-3 GPS Sensor Size Comparison
Sensor Size and Resolution Comparison image of Ricoh G900 and Pentax WG-3 GPS Cameras


Ricoh G900 and Pentax WG-3 GPS have the same sensor sizes so they will provide same level of control over the depth of field when used with same focal length and aperture.

Ricoh G900 vs Pentax WG-3 GPS Lens Specs Comparison

Ricoh G900 features a 28-140 mm F3.5-5.5 5x zoom lens whereas Pentax WG-3 GPS features a 25-100 mm F2.0-4.9 4× zoom lens.

Pentax WG-3 GPS has 3mm wider coverage than the Ricoh G900. At f2.00, it is also faster at widest end. On the tele end, Ricoh G900 has 40mm longer reach than the Pentax WG-3 GPS. However, with a max aperture of f4.90, Pentax WG-3 GPS is faster at tele end.

Wide Coverage

Compact Cameras

G900
WG-3 GPS
Widest - Olympus TG-850 iHS
Average
Telezoom

Compact Cameras

G900
WG-3 GPS
Longest - Canon SX520 HS
Average
Max Aperture at Tele

Compact Cameras

G900
WG-3 GPS
Fastest - Ricoh GR Digital IV
Average
Max Aperture at Wide

Compact Cameras

G900
WG-3 GPS
Fastest - Leica D-Lux 6
Average
What types of Photography are Ricoh G900 and Pentax WG-3 GPS Good for?
In this section, we rank and compare Ricoh G900 and Pentax WG-3 GPS for five different photography types in order to make your decision process easier in case you are specifically interested in one or more of these areas.

Ricoh G900 for Portrait Photography

POOR

Pentax WG-3 GPS for Portrait Photography

POOR
Very High Resolution Sensor: 20.0MP
Manual Focus Mode
Small 1/2.3 sensor
No Image Stabilization
No RAW shooting capability
No External Flash Shoe
No Built-in Viewfinder
No Manual Exposure Mode
Not so good Ergonomics&Handling
Read the details
Image Stabilization
Manual Focus Mode
Average Resolution Sensor: 16.0MP
Small 1/2.3" (6.17 x 4.55 mm) sensor
No RAW shooting capability
No External Flash Shoe
No Built-in Viewfinder
No Manual Exposure Mode
Not so good Ergonomics&Handling
Read the details

Ricoh G900 for Street Photography

AVERAGE

Pentax WG-3 GPS for Street Photography

GOOD
Manual Focus Mode
Small Body
Live-view
Face-Detection Focusing
28 mm - Good Wide Angle Coverage
Small 1/2.3 sensor
No Image Stabilization
No RAW shooting capability
No Built-in Viewfinder
Read the details
Image Stabilization
Manual Focus Mode
Small Body
Live-view
Face-Detection Focusing
Fast Lens at Wide: f2.00
25 mm - Good Wide Angle Coverage
Small 1/2.3" (6.17 x 4.55 mm) sensor
No RAW shooting capability
No Built-in Viewfinder
Read the details

Ricoh G900 for Sports Photography

POOR

Pentax WG-3 GPS for Sports Photography

POOR
Manual Focus Mode
Environmental Sealings
Fast Max shutter speed: 1/4000s
140 mm Tele Lens
No Image Stabilization
No RAW shooting capability
No External Flash Shoe
No Built-in Viewfinder
No Manual Exposure Mode
Not so good Ergonomics&Handling
9 Focus Points
Read the details
Image Stabilization
Manual Focus Mode
Environmental Sealings
Fast Max shutter speed: 1/4000s
No RAW shooting capability
No External Flash Shoe
No Built-in Viewfinder
No Manual Exposure Mode
Not so good Ergonomics&Handling
9 Focus Points
Poor Battery Life: 240 shots
100 mm Tele Lens
Read the details

Ricoh G900 for Daily Photography

AVERAGE

Pentax WG-3 GPS for Daily Photography

GOOD
Compact Body
Environmental Sealings
247g
5.0X Optical Zoom
Small 1/2.3 sensor
No RAW shooting capability
Read the details
Compact Body
238g
Environmental Sealings
4.0X Optical Zoom
Small 1/2.3" (6.17 x 4.55 mm) sensor
No RAW shooting capability
Read the details

Ricoh G900 for Landscape Photography

POOR

Pentax WG-3 GPS for Landscape Photography

POOR
Very High Resolution Sensor: 20.0MP
Manual Focus Mode
28 mm - Good Wide Angle Coverage
Environmental Sealings
Small 1/2.3 sensor
No RAW shooting capability
No Manual Exposure Mode
Read the details
Manual Focus Mode
Environmental Sealings
Built-in GPS
25 mm - Good Wide Angle Coverage
Average Resolution Sensor: 16.0MP
Small 1/2.3" (6.17 x 4.55 mm) sensor
No RAW shooting capability
No Manual Exposure Mode
Read the details

Ricoh G900 vs Pentax WG-3 GPS: OUR DECISION

You may have already made your decision about which camera suits better for your needs and your budget so far but in case you wonder how we rated Ricoh G900 and Pentax WG-3 GPS, below you can find their scores in five different aspects. Our Decision Algorithm dynamically scores cameras using 69 different specs, current price and DxO Mark scores (where possible) in order to make a more objective and consistent comparison.

Here is a summary of how Ricoh G900 and Pentax WG-3 GPS scores compare:

Ricoh G900
Imaging
Features
Value
Portability
Overall
Ranked #66 out of 477 in Compact cameras
Ranked #540 out of 1257 in all Cameras
Pentax WG-3 GPS
Imaging
Features
Value
Portability
Overall
Ranked #57 out of 477 in Compact cameras
Ranked #521 out of 1257 in all Cameras

Pentax WG-3 GPS has a higher Overall Score than the Ricoh G900 and would be our choice if we have to decide between these two cameras.

Ricoh G900
Ricoh G900
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Pentax WG-3 GPS
Pentax WG-3 GPS
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Pentax WG-3 GPS vs Ricoh G900 Specs Table
Detailed comparison of specifications
General Ricoh G900 Pentax WG-3 GPS
Brand Ricoh Pentax
Announced 2018-02-21 2013-07-19
Body Type Compact Compact
Sensor
Type BSI-CMOS BSI-CMOS
Size 1/2.3 1/2.3-inch
Dimensions 6.17 x 4.55 mm 6.17 x 4.55 mm
Area 28.07mm2 28.07mm2
Megapixels 20 megapixels 16 megapixels
Max Resolution 5184 x 3888 4608 x 3456
Max Native Light sensitivity 6,400 ISO 6,400 ISO
Min Native Light sensitivity 125 ISO 125 ISO
RAW Support
Autofocus
AF Touch
AF Continuous
AF Single
AF Tracking
AF Selective
AF Center
AF Multi Area
AF Live View
AF Face Detection
AF Contrast Detection
AF Phase Detection
Number of Focus Points 9 9
Lens
Manual Focus
Lens Mount fixed lens fixed lens
Lens Focal Range 28-140 mm (5x) 25-100 mm (4×)
Max Aperture F3.5-5.5 F2.0-4.9
Macro Focus Range 1cm 1cm
Screen
Type Fixed type Fixed type
Size 3.00" 3.00"
Resolution 1,040k dots 460k dots
Touch Screen
Viewfinder
Viewfinder None None
Photography Features
Max Mechanical Shutter 1/4000s 1/4000s
Shutter Priority
Aperture Priority
Manual Exposure Mode
Custom White Balance
Built-in Image Stabilization Digital only Sensor-shift
Built-in Flash
Flash Range 5.50 m (with Auto ISO) 3.40 m
External Flash
Multi-Segment Metering
Average Metering
Spot Metering
Partial Metering
AF-Area Metering
Center Weighted Metering
AE Bracketing
WB Bracketing
Video Features
Max Video Resolution 3840 x 2160 1920 x 1080
Video Formats MPEG-4, H.264 MPEG-4, H.264
Microphone Port
Headphone Port
Connectivity
Wireless Connectivity Supports FlashAir SD cards Eye-Fi Connected
HDMI
Physical
Environmental Sealing
Weight 247g 238g
Dimensions 118 x 66 x 33mm 125 x 64 x 33mm
Battery Life 340 shots 240 shots
Other Features
Timelapse Recording
GPS Built-in Built-in
DxO Sensor Scores
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