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Pentax WG-3 GPS vs Sony TX66

Portability
90
Imaging
40
Features
43
Overall
41
Pentax WG-3 GPS front
 
Sony Cyber-shot DSC-TX66 front
Portability
97
Imaging
42
Features
51
Overall
45

Pentax WG-3 GPS vs Sony TX66 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
  • Introduced July 2013
Sony TX66
(Full Review)
  • 18MP - 1/2.3" Sensor
  • 3.3" Fixed Screen
  • ISO 80 - 12800
  • Optical Image Stabilization
  • 1920 x 1080 video
  • 26-130mm (F3.5-4.8) lens
  • 109g - 93 x 54 x 13mm
  • Introduced February 2012
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Pentax WG-3 GPS vs Sony TX66 Overview

Lets take a closer look at the Pentax WG-3 GPS vs Sony TX66, former is a Waterproof while the latter is a Ultracompact by brands Pentax and Sony. The sensor resolution of the WG-3 GPS (16MP) and the TX66 (18MP) is pretty well matched and they possess the exact same sensor dimensions (1/2.3").

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The WG-3 GPS was announced 17 months after the TX66 which makes the cameras a generation away from each other. Each of these cameras come with different body type with the Pentax WG-3 GPS being a Compact camera and the Sony TX66 being a Ultracompact camera.

Before diving straight into a detailed comparison, below is a simple synopsis of how the WG-3 GPS scores versus the TX66 with regard to portability, imaging, features and an overall score.

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Reasons to pick Pentax WG-3 GPS over the Sony TX66

 WG-3 GPS TX66 
IntroducedJuly 2013February 2012More modern by 17 months

Reasons to pick Sony TX66 over the Pentax WG-3 GPS

 TX66 WG-3 GPS 
Screen dimension3.3"3"Bigger screen (+0.3")
Screen resolution1230k460kCrisper screen (+770k dot)
Touch screen Quickly navigate

Common features in the Pentax WG-3 GPS and Sony TX66

 WG-3 GPS TX66 
Manually focus Very exact focus
Screen typeFixed Fixed Fixed screen
Selfie screen Absent selfie screen

Pentax WG-3 GPS vs Sony TX66 Physical Comparison

For anybody who is intending to carry around your camera often, you'll have to factor in its weight and proportions. The Pentax WG-3 GPS provides outside 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 Sony TX66 has measurements of 93mm x 54mm x 13mm (3.7" x 2.1" x 0.5") accompanied by a weight of 109 grams (0.24 lbs).

Examine the Pentax WG-3 GPS vs Sony TX66 in our brand new Camera plus Lens Size Comparison Tool. Camera Size Comparison with Lenses

Take into consideration, the weight of an ILC will differ depending on the lens you are utilizing at the time. Here is the front view scale comparison of the WG-3 GPS and the TX66.

Pentax WG-3 GPS vs Sony TX66 size comparison

Using size and weight, the portability score of the WG-3 GPS and TX66 is 90 and 97 respectively.

Pentax WG-3 GPS vs Sony TX66 top view buttons comparison

Pentax WG-3 GPS vs Sony TX66 Sensor Comparison

Usually, it is very difficult to visualise the gap between sensor sizes purely by reading through technical specs. The pic below will help give you a greater sense of the sensor dimensions in the WG-3 GPS and TX66.

As you have seen, each of these cameras posses the exact same sensor measurements albeit not the same megapixels. You can expect the Sony TX66 to resolve greater detail with its extra 2 Megapixels. Higher resolution will also enable you to crop photographs somewhat more aggressively. The newer WG-3 GPS will have an edge when it comes to sensor innovation.

Pentax WG-3 GPS vs Sony TX66 sensor size comparison

Pentax WG-3 GPS vs Sony TX66 Screen and ViewFinder

Pentax WG-3 GPS vs Sony TX66 Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Pentax WG-3 GPS Portrait photography advice
Sony TX66 Portrait photography advice
41
manual focus
megapixel count good (16 megapixels)
features face detection autofocus
manual exposure not possible
external flash not possible
small sensor (1/2.3")
does not have RAW files
42
focusing manually
good megapixels (18MP)
provides face detect focus
manual exposure not available
external flash not possible
very small sensor size (1/2.3")
lack of RAW format
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Street Comparison

Pentax WG-3 GPS Street photography features
Sony TX66 Street photography features
59
image stabilization (Sensor-shift)
weather proof
no moving screen
small sensor (1/2.3")
does not have RAW files
heavier than competitors in class (238 grams)
64
image stabilization (Optical)
provides touch to focus
screen is fixed
very small sensor size (1/2.3")
lack of RAW format
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Sports Comparison

Sports photography with Pentax WG-3 GPS
Sports photography with Sony TX66
45
image stabilization (Sensor-shift)
megapixel count good (16 megapixels)
features tracking autofocus
weather proof
no shutter priority
small sensor (1/2.3")
bad battery pack (240 shots)
does not have phase detect autofocus
49
image stabilization (Optical)
good megapixels (18MP)
provides tracking focus
great battery life (250 per charge)
no shutter priority mode
very small sensor size (1/2.3")
lack of phase detect auto focus
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Travel Comparison

Pentax WG-3 GPS Travel photography info
Sony TX66 Travel photography info
69
weather proof
megapixel count good (16MP)
flash built-in
fairly wide (25mm)
great maximum aperture (f2.0)
bad battery pack (240 shots)
heavier than competitors in class (238 grams)
display is not selfie friendly
72
great battery life (250 per charge)
provides touch to focus
good megapixels (18 megapixels)
built-in flash
decently wide (26mm)
no Time Lapse mode
does not contain selfie friendly display
somewhat slow maximum aperture (f3.5)
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Landscape Comparison

Landscape photography with Pentax WG-3 GPS
Landscape photography with Sony TX66
54
manual focus
fairly wide (25mm)
great maximum aperture (f2.0)
nice screen size (3 inch)
image stabilization (Sensor-shift)
megapixel count good (16 megapixels)
weather proof
fixed lens (fixed lens mount)
manual exposure not possible
small sensor (1/2.3")
does not have RAW files
bad battery pack (240 shots)
51
focusing manually
decently wide (26mm)
screen size is good (3.3 inches)
image stabilization (Optical)
good megapixels (18 megapixels)
great battery life (250 CIPA)
cannot change lens (fixed lens mount)
somewhat slow maximum aperture (f3.5)
manual exposure not available
very small sensor size (1/2.3")
lack of RAW format
no Time Lapse mode
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Vlogging Comparison

Pentax WG-3 GPS Vlogging info
Sony TX66 Vlogging info
34
fairly wide (25mm)
great maximum aperture (f2.0)
image stabilization (Sensor-shift)
features face detection autofocus
high quality video (1920 x 1080 resolution)
display is not selfie friendly
missing external mic support
heavier than competitors in class (238g)
36
decently wide (26mm)
screen is touchscreen
image stabilization (Optical)
provides face detect focus
high res video (1920 x 1080 resolution)
somewhat slow maximum aperture (f3.5)
does not contain selfie friendly display
no mic port
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Pentax WG-3 GPS vs Sony TX66 Specifications

Detailed spec comparison table for Pentax WG-3 GPS and Sony TX66
 Pentax WG-3 GPSSony Cyber-shot DSC-TX66
General Information
Company Pentax Sony
Model Pentax WG-3 GPS Sony Cyber-shot DSC-TX66
Category Waterproof Ultracompact
Introduced 2013-07-19 2012-02-28
Body design Compact Ultracompact
Sensor Information
Processor - BIONZ
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 16MP 18MP
Anti aliasing filter
Aspect ratio 1:1, 4:3 and 16:9 4:3 and 16:9
Peak resolution 4608 x 3456 4896 x 3672
Highest native ISO 6400 12800
Lowest native ISO 125 80
RAW files
Autofocusing
Focus manually
Touch focus
Continuous AF
Single AF
Tracking AF
AF selectice
AF center weighted
AF multi area
Live view AF
Face detect AF
Contract detect AF
Phase detect AF
Number of focus points 9 -
Cross focus points - -
Lens
Lens mounting type fixed lens fixed lens
Lens focal range 25-100mm (4.0x) 26-130mm (5.0x)
Maximal aperture f/2.0-4.9 f/3.5-4.8
Macro focus distance 1cm 1cm
Crop factor 5.8 5.8
Screen
Range of display Fixed Type Fixed Type
Display sizing 3 inch 3.3 inch
Resolution of display 460k dot 1,230k dot
Selfie friendly
Liveview
Touch display
Display technology Widescreen TFT color LCD with anti-reflective coating XtraFine TruBlack OLED display
Viewfinder Information
Viewfinder None None
Features
Minimum shutter speed 4s 30s
Fastest shutter speed 1/4000s 1/4000s
Continuous shutter speed - 10.0 frames/s
Shutter priority
Aperture priority
Expose Manually
Custom WB
Image stabilization
Built-in flash
Flash range 3.40 m 3.10 m
Flash modes Auto, On, Off, Red-eye, Soft Auto, On, Off, Slow Sync, Rear Slow Sync
External flash
AEB
White balance bracketing
Exposure
Multisegment exposure
Average exposure
Spot exposure
Partial exposure
AF area exposure
Center weighted exposure
Video features
Supported video resolutions 1920 x 1080 (30 fps), 1280 x 720 (60, 30 fps) 1920 x 1080 (60 fps), 1440 x 1080 (60, 30 fps), 1280 x 720 (30 fps), 640 x 480 (30 fps)
Highest video resolution 1920x1080 1920x1080
Video format MPEG-4, H.264 MPEG-4, AVCHD
Mic 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 proof
Dust proof
Shock proof
Crush proof
Freeze proof
Weight 238g (0.52 pounds) 109g (0.24 pounds)
Dimensions 125 x 64 x 33mm (4.9" x 2.5" x 1.3") 93 x 54 x 13mm (3.7" x 2.1" x 0.5")
DXO scores
DXO Overall 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 photographs 250 photographs
Form of battery Battery Pack Battery Pack
Battery model D-LI92 NP-BN
Self timer Yes (2 or 10 sec) Yes (2 or 10 sec, Portrait 1/2)
Time lapse feature
Storage media SD/SDHC/SDXC card, Internal Memory Stick Duo/Pro Duo/Pro-HG Duo, microSD/microSDHC
Storage slots Single Single
Cost at release $350 $350