Pentax WG-3 GPS vs Ricoh WG-20
90 Imaging
40 Features
43 Overall
41


93 Imaging
38 Features
36 Overall
37
Pentax WG-3 GPS vs Ricoh WG-20 Key Specs
(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
- Introduced July 2013
(Full Review)
- 14MP - 1/2.3" Sensor
- 2.7" Fixed Screen
- ISO 80 - 6400
- Digital Image Stabilization
- 1280 x 720 video
- 28-140mm (F3.5-5.5) lens
- 164g - 114 x 58 x 28mm
- Announced February 2014

Pentax WG-3 GPS vs Ricoh WG-20 Overview
Here is a comprehensive review of the Pentax WG-3 GPS versus Ricoh WG-20, both Waterproof digital cameras by brands Pentax and Ricoh. The sensor resolution of the WG-3 GPS (16MP) and the WG-20 (14MP) is pretty similar and both cameras provide the same sensor sizes (1/2.3").

The WG-3 GPS was manufactured 6 months prior to the WG-20 so they are both of a similar age. Both cameras have the same body design (Compact).
Before delving straight to a complete comparison, here is a concise overview of how the WG-3 GPS matches up vs the WG-20 with respect to portability, imaging, features and an overall rating.

Pentax WG-3 GPS vs Ricoh WG-20 Gallery
Following is a preview of the gallery images for Pentax WG-3 GPS & Ricoh WG-20. The entire galleries are provided at Pentax WG-3 GPS Gallery & Ricoh WG-20 Gallery.
Reasons to pick Pentax WG-3 GPS over the Ricoh WG-20
WG-3 GPS | WG-20 | |||
---|---|---|---|---|
Screen dimensions | 3" | ![]() | 2.7" | Bigger screen (+0.3") |
Screen resolution | 460k | ![]() | 230k | Sharper screen (+230k dot) |
Reasons to pick Ricoh WG-20 over the Pentax WG-3 GPS
WG-20 | WG-3 GPS |
---|
Common features in the Pentax WG-3 GPS and Ricoh WG-20
WG-3 GPS | WG-20 | |||
---|---|---|---|---|
Announced | July 2013 | ![]() | February 2014 | Similar age |
Manually focus | ![]() | Dial accurate focusing | ||
Screen type | Fixed | ![]() | Fixed | Fixed screen |
Selfie screen | ![]() | Neither features selfie screen | ||
Touch screen | ![]() | Neither features Touch screen |
Pentax WG-3 GPS vs Ricoh WG-20 Physical Comparison
For anybody who is aiming to carry your camera regularly, you're going to have to factor its weight and dimensions. The Pentax WG-3 GPS enjoys outer dimensions of 125mm x 64mm x 33mm (4.9" x 2.5" x 1.3") and a weight of 238 grams (0.52 lbs) and the Ricoh WG-20 has dimensions of 114mm x 58mm x 28mm (4.5" x 2.3" x 1.1") along with a weight of 164 grams (0.36 lbs).
See the Pentax WG-3 GPS versus Ricoh WG-20 in our completely new Camera plus Lens Size Comparison Tool.
Take into consideration, the weight of an ILC will vary dependant on the lens you are using at that time. Here is a front view measurement comparison of the WG-3 GPS and the WG-20.

Looking at size and weight, the portability grade of the WG-3 GPS and WG-20 is 90 and 93 respectively.

Pentax WG-3 GPS vs Ricoh WG-20 Sensor Comparison
Often, it's hard to visualize the difference between sensor sizing purely by reviewing specifications. The photograph underneath should give you a far better sense of the sensor sizes in the WG-3 GPS and WG-20.
Plainly, both of the cameras have the same sensor dimensions albeit different megapixels. You can expect the Pentax WG-3 GPS to deliver extra detail due to its extra 2 Megapixels. Higher resolution will also make it easier to crop shots a bit more aggressively.

Pentax WG-3 GPS vs Ricoh WG-20 Screen and ViewFinder


Photography Type Scores
Portrait Comparison

Street Comparison

Sports Comparison

Travel Comparison

Landscape Comparison

Vlogging Comparison

Pentax WG-3 GPS vs Ricoh WG-20 Specifications
Pentax WG-3 GPS | Ricoh WG-20 | |
---|---|---|
General Information | ||
Company | Pentax | Ricoh |
Model type | Pentax WG-3 GPS | Ricoh WG-20 |
Type | Waterproof | Waterproof |
Introduced | 2013-07-19 | 2014-02-05 |
Body design | Compact | Compact |
Sensor Information | ||
Sensor type | BSI-CMOS | CCD |
Sensor size | 1/2.3" | 1/2.3" |
Sensor measurements | 6.17 x 4.55mm | 6.17 x 4.55mm |
Sensor area | 28.1mm² | 28.1mm² |
Sensor resolution | 16MP | 14MP |
Anti alias filter | ||
Aspect ratio | 1:1, 4:3 and 16:9 | 1:1, 4:3 and 16:9 |
Peak resolution | 4608 x 3456 | 4288 x 3216 |
Highest native ISO | 6400 | 6400 |
Minimum native ISO | 125 | 80 |
RAW support | ||
Autofocusing | ||
Focus manually | ||
Autofocus touch | ||
Autofocus continuous | ||
Autofocus single | ||
Autofocus tracking | ||
Autofocus selectice | ||
Autofocus center weighted | ||
Multi area autofocus | ||
Live view autofocus | ||
Face detect focus | ||
Contract detect focus | ||
Phase detect focus | ||
Total focus points | 9 | 9 |
Lens | ||
Lens mount type | fixed lens | fixed lens |
Lens zoom range | 25-100mm (4.0x) | 28-140mm (5.0x) |
Maximum aperture | f/2.0-4.9 | f/3.5-5.5 |
Macro focusing distance | 1cm | 1cm |
Crop factor | 5.8 | 5.8 |
Screen | ||
Display type | Fixed Type | Fixed Type |
Display size | 3" | 2.7" |
Resolution of display | 460 thousand dot | 230 thousand dot |
Selfie friendly | ||
Liveview | ||
Touch display | ||
Display tech | Widescreen TFT color LCD with anti-reflective coating | TFT LCD |
Viewfinder Information | ||
Viewfinder type | None | None |
Features | ||
Min shutter speed | 4s | 4s |
Max shutter speed | 1/4000s | 1/1500s |
Continuous shutter speed | - | 1.0fps |
Shutter priority | ||
Aperture priority | ||
Expose Manually | ||
Custom white balance | ||
Image stabilization | ||
Inbuilt flash | ||
Flash distance | 3.40 m | 4.00 m (Auto ISO) |
Flash settings | Auto, On, Off, Red-eye, Soft | Auto, flash off, flash on, auto + redeye |
Hot shoe | ||
Auto exposure bracketing | ||
WB 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) | 1280 x 720 (30p, 15p), 640 x 480 (30p, 15p), 320 x 240 (30p, 15p) |
Highest video resolution | 1920x1080 | 1280x720 |
Video data format | MPEG-4, H.264 | Motion JPEG |
Microphone jack | ||
Headphone jack | ||
Connectivity | ||
Wireless | Eye-Fi Connected | None |
Bluetooth | ||
NFC | ||
HDMI | ||
USB | USB 2.0 (480 Mbit/sec) | USB 2.0 (480 Mbit/sec) |
GPS | BuiltIn | None |
Physical | ||
Environment seal | ||
Water proofing | ||
Dust proofing | ||
Shock proofing | ||
Crush proofing | ||
Freeze proofing | ||
Weight | 238 gr (0.52 pounds) | 164 gr (0.36 pounds) |
Physical dimensions | 125 x 64 x 33mm (4.9" x 2.5" x 1.3") | 114 x 58 x 28mm (4.5" x 2.3" x 1.1") |
DXO scores | ||
DXO Overall 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 images | 260 images |
Type of battery | Battery Pack | Battery Pack |
Battery ID | D-LI92 | D-LI92 |
Self timer | Yes (2 or 10 sec) | Yes (2 or 10 secs) |
Time lapse recording | ||
Type of storage | SD/SDHC/SDXC card, Internal | SD/SDHC/SDXC, internal |
Storage slots | One | One |
Pricing at release | $350 | $370 |