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Pentax WG-3 GPS vs Sony S2100

Portability
90
Imaging
40
Features
43
Overall
41
Pentax WG-3 GPS front
 
Sony Cyber-shot DSC-S2100 front
Portability
93
Imaging
35
Features
17
Overall
27

Pentax WG-3 GPS vs Sony S2100 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
  • Revealed July 2013
Sony S2100
(Full Review)
  • 12MP - 1/2.3" Sensor
  • 3" Fixed Display
  • ISO 100 - 3200
  • 640 x 480 video
  • 33-105mm (F3.1-5.6) lens
  • 167g - 98 x 61 x 27mm
  • Revealed January 2010
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Pentax WG-3 GPS vs Sony S2100 Overview

Here is a in depth review of the Pentax WG-3 GPS vs Sony S2100, former being a Waterproof while the other is a Small Sensor Compact by rivals Pentax and Sony. There is a large difference among the image resolutions of the WG-3 GPS (16MP) and S2100 (12MP) but both cameras have the identical sensor sizes (1/2.3").

Photography Glossary

The WG-3 GPS was manufactured 3 years later than the S2100 and that is a fairly serious difference as far as camera tech is concerned. Both cameras feature the same body design (Compact).

Before we go straight to a in depth comparison, here is a brief view of how the WG-3 GPS matches up against the S2100 with regards to portability, imaging, features and an overall rating.

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Reasons to pick Pentax WG-3 GPS over the Sony S2100

 WG-3 GPS S2100 
RevealedJuly 2013January 2010Fresher by 43 months
Manually focus Very exact focusing
Display resolution460k230kSharper display (+230k dot)

Reasons to pick Sony S2100 over the Pentax WG-3 GPS

 S2100 WG-3 GPS 

Common features in the Pentax WG-3 GPS and Sony S2100

 WG-3 GPS S2100 
Display typeFixed Fixed Fixed display
Display size3"3"Same display dimensions
Selfie screen Neither has selfie screen
Touch display Neither has Touch display

Pentax WG-3 GPS vs Sony S2100 Physical Comparison

If you're looking to carry your camera regularly, you have to factor its weight and dimensions. The Pentax WG-3 GPS has 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 Sony S2100 has dimensions of 98mm x 61mm x 27mm (3.9" x 2.4" x 1.1") with a weight of 167 grams (0.37 lbs).

Check the Pentax WG-3 GPS vs Sony S2100 in our completely new Camera & Lens Size Comparison Tool. Camera Size Comparison with Lenses

Don't forget, the weight of an ILC will differ depending on the lens you are utilizing during that time. Underneath is a front view overall size comparison of the WG-3 GPS and the S2100.

Pentax WG-3 GPS vs Sony S2100 size comparison

Taking into consideration size and weight, the portability score of the WG-3 GPS and S2100 is 90 and 93 respectively.

Pentax WG-3 GPS vs Sony S2100 top view buttons comparison

Pentax WG-3 GPS vs Sony S2100 Sensor Comparison

In many cases, its difficult to envision the difference in sensor sizing purely by viewing technical specs. The visual here should offer you a better sense of the sensor dimensions in the WG-3 GPS and S2100.

As you can tell, both of those cameras feature the identical sensor size but not the same megapixels. You can expect to see the Pentax WG-3 GPS to result in greater detail due to its extra 4 Megapixels. Greater resolution will also help you crop photos way more aggressively. The younger WG-3 GPS will have an advantage with regard to sensor innovation.

Pentax WG-3 GPS vs Sony S2100 sensor size comparison

Pentax WG-3 GPS vs Sony S2100 Screen and ViewFinder

Pentax WG-3 GPS vs Sony S2100 Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Pentax WG-3 GPS Portrait photography features
Sony S2100 Portrait photography features
41
focusing manually
sensor resolution is decent (16MP)
comes with face detect focus
no manual mode
cannot use external flash
sensor size is small (1/2.3")
lacks RAW files
21
focusing manually not possible
no manual control
cannot use external flash
low MP (12 megapixels)
sensor is tiny (1/2.3")
does not have RAW files
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Street Comparison

Pentax WG-3 GPS Street photography features
Sony S2100 Street photography features
59
built in image stabilization (Sensor-shift)
environment sealing
screen does not articulate
sensor size is small (1/2.3")
lacks RAW files
heavier than average (238 grams)
46
no articulating screen
no image stabilization
sensor is tiny (1/2.3")
does not have RAW files
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Sports Comparison

Pentax WG-3 GPS Sports photography advice
Sony S2100 Sports photography advice
45
built in image stabilization (Sensor-shift)
sensor resolution is decent (16MP)
comes with tracking focus
environment sealing
lack of shutter priority mode
sensor size is small (1/2.3")
low battery life (240 per charge)
lacks phase detect auto focus
17
low maximum shutter speed (1/1,200s)
continuous shooting slow (1.0 frames/s)
no shutter priority mode
no image stabilization
low MP (12 megapixels)
sensor is tiny (1/2.3")
does not have phase detect AF
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Travel Comparison

Pentax WG-3 GPS Travel photography features
Sony S2100 Travel photography features
69
environment sealing
sensor resolution is decent (16MP)
has built in flash
pretty wide (25mm)
good maximum aperture (f2.0)
low battery life (240 shots)
heavier than average (238 grams)
does not have selfie friendly screen
50
built-in flash
does not have Timelapse recording
low MP (12MP)
doesn't offer selfie friendly display
wide angle not great (33mm)
slow maximum aperture (f3.1)
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Landscape Comparison

Pentax WG-3 GPS Landscape photography factors
Sony S2100 Landscape photography factors
54
focusing manually
pretty wide (25mm)
good maximum aperture (f2.0)
pretty good screen size (3 inch)
built in image stabilization (Sensor-shift)
sensor resolution is decent (16 megapixels)
environment sealing
lens is fixed (fixed lens mount)
no manual mode
sensor size is small (1/2.3")
lacks RAW files
low battery life (240 CIPA)
27
good sized screen (3")
focusing manually not possible
fixed lens (fixed lens mount)
wide angle not great (33mm)
slow maximum aperture (f3.1)
no manual control
no image stabilization
low MP (12MP)
sensor is tiny (1/2.3")
does not have RAW files
does not have Timelapse recording
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Vlogging Comparison

Pentax WG-3 GPS Vlogging factors
Sony S2100 Vlogging factors
34
pretty wide (25mm)
good maximum aperture (f2.0)
built in image stabilization (Sensor-shift)
comes with face detect focus
great video quality (1920 x 1080 pixels)
does not have selfie friendly screen
doesn't have mic jack
heavier than average (238 grams)
22
wide angle not great (33mm)
slow maximum aperture (f3.1)
doesn't offer selfie friendly display
no image stabilization
video quality not great (640 x 480 pxls)
does not have external microphone support
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Pentax WG-3 GPS vs Sony S2100 Specifications

Detailed spec comparison table for Pentax WG-3 GPS and Sony S2100
 Pentax WG-3 GPSSony Cyber-shot DSC-S2100
General Information
Brand Name Pentax Sony
Model Pentax WG-3 GPS Sony Cyber-shot DSC-S2100
Class Waterproof Small Sensor Compact
Revealed 2013-07-19 2010-01-07
Physical type Compact Compact
Sensor Information
Chip - Bionz
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 surface area 28.1mm² 28.1mm²
Sensor resolution 16MP 12MP
Anti aliasing filter
Aspect ratio 1:1, 4:3 and 16:9 4:3, 3:2 and 16:9
Highest resolution 4608 x 3456 4000 x 3000
Highest native ISO 6400 3200
Minimum native ISO 125 100
RAW pictures
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
Number of focus points 9 9
Lens
Lens mount fixed lens fixed lens
Lens focal range 25-100mm (4.0x) 33-105mm (3.2x)
Highest aperture f/2.0-4.9 f/3.1-5.6
Macro focus distance 1cm 5cm
Focal length multiplier 5.8 5.8
Screen
Display type Fixed Type Fixed Type
Display diagonal 3 inches 3 inches
Resolution of display 460 thousand dots 230 thousand dots
Selfie friendly
Liveview
Touch screen
Display tech Widescreen TFT color LCD with anti-reflective coating -
Viewfinder Information
Viewfinder None None
Features
Lowest shutter speed 4 seconds 1 seconds
Highest shutter speed 1/4000 seconds 1/1200 seconds
Continuous shooting rate - 1.0 frames/s
Shutter priority
Aperture priority
Manual mode
Custom white balance
Image stabilization
Built-in flash
Flash range 3.40 m 3.30 m
Flash settings Auto, On, Off, Red-eye, Soft Auto, On, Off, Slow syncro
External flash
Auto exposure bracketing
White balance bracketing
Exposure
Multisegment metering
Average metering
Spot metering
Partial metering
AF area metering
Center weighted metering
Video features
Video resolutions 1920 x 1080 (30 fps), 1280 x 720 (60, 30 fps) 640 x 480 (30 fps), 320 x 240 (30 fps)
Highest video resolution 1920x1080 640x480
Video data format MPEG-4, H.264 Motion JPEG
Microphone support
Headphone support
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
Environmental sealing
Water proof
Dust proof
Shock proof
Crush proof
Freeze proof
Weight 238 gr (0.52 lbs) 167 gr (0.37 lbs)
Physical dimensions 125 x 64 x 33mm (4.9" x 2.5" x 1.3") 98 x 61 x 27mm (3.9" x 2.4" x 1.1")
DXO scores
DXO All around score not tested not tested
DXO Color Depth score not tested not tested
DXO Dynamic range score not tested not tested
DXO Low light score not tested not tested
Other
Battery life 240 images -
Type of battery Battery Pack -
Battery model D-LI92 2 x AA
Self timer Yes (2 or 10 sec) Yes (2 or 10 sec)
Time lapse feature
Type of storage SD/SDHC/SDXC card, Internal Memory Stick Duo/Pro Duo, optional SD, Internal
Card slots Single Single
Pricing at launch $350 $0