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Pentax WG-3 GPS vs Sony TX7

Portability
90
Imaging
40
Features
43
Overall
41
Pentax WG-3 GPS front
 
Sony Cyber-shot DSC-TX7 front
Portability
95
Imaging
33
Features
34
Overall
33

Pentax WG-3 GPS vs Sony TX7 Key Specs

Pentax WG-3 GPS
(Full Review)
  • 16MP - 1/2.3" Sensor
  • 3" Fixed Screen
  • ISO 125 - 6400
  • Sensor-shift Image Stabilization
  • 1920 x 1080 video
  • 25-100mm (F2.0-4.9) lens
  • 238g - 125 x 64 x 33mm
  • Launched July 2013
Sony TX7
(Full Review)
  • 10MP - 1/2.4" Sensor
  • 3.5" Fixed Screen
  • ISO 125 - 3200
  • Optical Image Stabilization
  • 1920 x 1080 video
  • 25-100mm (F3.5-4.6) lens
  • 149g - 98 x 60 x 18mm
  • Launched January 2010
Photography Glossary

Pentax WG-3 GPS vs Sony TX7 Overview

Its time to look much closer at the Pentax WG-3 GPS versus Sony TX7, one being a Waterproof and the latter is a Ultracompact by rivals Pentax and Sony. There is a huge difference among the sensor resolutions of the WG-3 GPS (16MP) and TX7 (10MP) and the WG-3 GPS (1/2.3") and TX7 (1/2.4") use different sensor measurements.

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The WG-3 GPS was manufactured 3 years later than the TX7 and that is a fairly significant gap as far as camera tech is concerned. Each of the cameras come with different body type with the Pentax WG-3 GPS being a Compact camera and the Sony TX7 being a Ultracompact camera.

Before delving straight into a step-by-step comparison, below is a concise introduction of how the WG-3 GPS grades versus the TX7 for portability, imaging, features and an overall rating.

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Reasons to pick Pentax WG-3 GPS over the Sony TX7

 WG-3 GPS TX7 
LaunchedJuly 2013January 2010Fresher by 43 months
Manual focus More accurate focusing

Reasons to pick Sony TX7 over the Pentax WG-3 GPS

 TX7 WG-3 GPS 
Screen dimension3.5"3"Bigger screen (+0.5")
Screen resolution921k460kClearer screen (+461k dot)
Touch friendly screen Quickly navigate

Common features in the Pentax WG-3 GPS and Sony TX7

 WG-3 GPS TX7 
Screen typeFixed Fixed Fixed screen
Selfie screen Lacking selfie screen

Pentax WG-3 GPS vs Sony TX7 Physical Comparison

For anyone who is aiming to carry your camera often, you will have to consider its weight and measurements. The Pentax WG-3 GPS enjoys external measurements 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 TX7 has proportions of 98mm x 60mm x 18mm (3.9" x 2.4" x 0.7") with a weight of 149 grams (0.33 lbs).

Contrast the Pentax WG-3 GPS versus Sony TX7 in the all new Camera with Lens Size Comparison Tool. Camera Size Comparison with Lenses

Bear in mind, the weight of an Interchangeable Lens Camera will change based on the lens you use at the time. Below is the front view scale comparison of the WG-3 GPS versus the TX7.

Pentax WG-3 GPS vs Sony TX7 size comparison

Considering size and weight, the portability score of the WG-3 GPS and TX7 is 90 and 95 respectively.

Pentax WG-3 GPS vs Sony TX7 top view buttons comparison

Pentax WG-3 GPS vs Sony TX7 Sensor Comparison

Often, its hard to picture the gap in sensor sizing just by seeing a spec sheet. The photograph underneath may offer you a greater sense of the sensor measurements in the WG-3 GPS and TX7.

Clearly, the 2 cameras posses different megapixel count and different sensor sizing. The WG-3 GPS due to its bigger sensor is going to make shooting shallow DOF less difficult and the Pentax WG-3 GPS will show more detail due to its extra 6MP. Higher resolution will let you crop photographs somewhat more aggressively. The younger WG-3 GPS provides a benefit when it comes to sensor tech.

Pentax WG-3 GPS vs Sony TX7 sensor size comparison

Pentax WG-3 GPS vs Sony TX7 Screen and ViewFinder

Pentax WG-3 GPS vs Sony TX7 Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Portrait photography with Pentax WG-3 GPS
Portrait photography with Sony TX7
41
has manual focus
decent sensor resolution (16MP)
supports face detection focusing
no manual exposure
can't use external flash
sensor is tiny (1/2.3")
lacks RAW format
19
manual focus not available
manual mode not available
cannot use external flash
sensor resolution low (10MP)
sensor size is small (1/2.4")
doesn't have RAW files
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Street Comparison

Pentax WG-3 GPS Street photography details
Sony TX7 Street photography details
59
image stabilization (Sensor-shift)
weather proofing
no moving screen
sensor is tiny (1/2.3")
lacks RAW format
heavier than others (238g)
59
built in image stabilization (Optical)
provides touch to focus
no moving screen
sensor size is small (1/2.4")
doesn't have RAW files
more heavy than competition in class (149g)
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Sports Comparison

Pentax WG-3 GPS as a Sports photography camera
Sony TX7 as a Sports photography camera
45
image stabilization (Sensor-shift)
decent sensor resolution (16MP)
supports tracking autofocus
weather proofing
lack of shutter priority mode
sensor is tiny (1/2.3")
terrible battery (240 CIPA)
lacks phase detect AF
26
built in image stabilization (Optical)
no shutter priority mode
sensor resolution low (10 megapixels)
sensor size is small (1/2.4")
doesn't have phase detect autofocus
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Travel Comparison

Travel photography with Pentax WG-3 GPS
Travel photography with Sony TX7
69
weather proofing
decent sensor resolution (16MP)
built-in flash
really wide (25mm)
fast max aperture (f2.0)
terrible battery (240 shots)
heavier than others (238g)
screen isn't selfie friendly
59
provides touch to focus
built-in flash
pretty wide (25mm)
does not have Timelapse function
more heavy than competition in class (149g)
sensor resolution low (10MP)
does not feature selfie friendly screen
slow maximum aperture (f3.5)
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Landscape Comparison

Landscape photography with Pentax WG-3 GPS
Landscape photography with Sony TX7
54
has manual focus
really wide (25mm)
fast max aperture (f2.0)
decent sized screen (3")
image stabilization (Sensor-shift)
decent sensor resolution (16MP)
weather proofing
lens is fixed (fixed lens mount)
no manual exposure
sensor is tiny (1/2.3")
lacks RAW format
terrible battery (240 shots)
36
pretty wide (25mm)
screen larger than average (3.5")
built in image stabilization (Optical)
manual focus not available
fixed lens (fixed lens mount)
slow maximum aperture (f3.5)
manual mode not available
sensor resolution low (10 megapixels)
sensor size is small (1/2.4")
doesn't have RAW files
does not have Timelapse function
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Vlogging Comparison

Pentax WG-3 GPS as a Vlogging camera
Sony TX7 as a Vlogging camera
34
really wide (25mm)
fast max aperture (f2.0)
image stabilization (Sensor-shift)
supports face detection focusing
high res video (1920 x 1080 pixels)
screen isn't selfie friendly
missing external mic socket
heavier than others (238g)
32
pretty wide (25mm)
touchscreen
built in image stabilization (Optical)
video res high (1920 x 1080 pxls)
slow maximum aperture (f3.5)
does not feature selfie friendly screen
does not have microphone port
more heavy than competition in class (149g)
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Pentax WG-3 GPS vs Sony TX7 Specifications

Detailed spec comparison table for Pentax WG-3 GPS and Sony TX7
 Pentax WG-3 GPSSony Cyber-shot DSC-TX7
General Information
Brand Name Pentax Sony
Model type Pentax WG-3 GPS Sony Cyber-shot DSC-TX7
Class Waterproof Ultracompact
Launched 2013-07-19 2010-01-07
Body design Compact Ultracompact
Sensor Information
Processor Chip - Bionz
Sensor type BSI-CMOS BSI-CMOS
Sensor size 1/2.3" 1/2.4"
Sensor measurements 6.17 x 4.55mm 6.104 x 4.578mm
Sensor area 28.1mm² 27.9mm²
Sensor resolution 16MP 10MP
Anti alias filter
Aspect ratio 1:1, 4:3 and 16:9 4:3 and 16:9
Max resolution 4608 x 3456 3456 x 2592
Max native ISO 6400 3200
Lowest native ISO 125 125
RAW files
Autofocusing
Manual focusing
Touch to focus
AF continuous
Single AF
Tracking AF
Selective AF
Center weighted AF
Multi area AF
AF live view
Face detection focusing
Contract detection focusing
Phase detection focusing
Total focus points 9 9
Lens
Lens mount type fixed lens fixed lens
Lens zoom range 25-100mm (4.0x) 25-100mm (4.0x)
Largest aperture f/2.0-4.9 f/3.5-4.6
Macro focusing range 1cm 1cm
Crop factor 5.8 5.9
Screen
Range of screen Fixed Type Fixed Type
Screen sizing 3 inch 3.5 inch
Screen resolution 460k dot 921k dot
Selfie friendly
Liveview
Touch function
Screen tech Widescreen TFT color LCD with anti-reflective coating -
Viewfinder Information
Viewfinder type None None
Features
Min shutter speed 4 secs 2 secs
Max shutter speed 1/4000 secs 1/1600 secs
Continuous shutter speed - 10.0fps
Shutter priority
Aperture priority
Manual exposure
Change WB
Image stabilization
Inbuilt flash
Flash distance 3.40 m 3.80 m
Flash modes Auto, On, Off, Red-eye, Soft Auto, On, Off, Slow syncro
External flash
AEB
WB bracketing
Exposure
Multisegment metering
Average metering
Spot metering
Partial metering
AF area metering
Center weighted metering
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, 30fps), 1280 x 720 (30 fps), 640 x 480 (30 fps)
Max video resolution 1920x1080 1920x1080
Video format MPEG-4, H.264 AVCHD
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 grams (0.52 lb) 149 grams (0.33 lb)
Dimensions 125 x 64 x 33mm (4.9" x 2.5" x 1.3") 98 x 60 x 18mm (3.9" x 2.4" x 0.7")
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 photos -
Style of battery Battery Pack -
Battery ID D-LI92 NP-BN1
Self timer Yes (2 or 10 sec) Yes (2 sec or 10 sec, portrait1/ portrait2)
Time lapse feature
Storage media SD/SDHC/SDXC card, Internal Memory Stick Duo / Pro Duo/ PRO HG-Duo, optional SD, Internal
Storage slots One One
Launch pricing $350 $300