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Pentax WG-3 vs Sony TX66

Portability
90
Imaging
40
Features
44
Overall
41
Pentax WG-3 front
 
Sony Cyber-shot DSC-TX66 front
Portability
97
Imaging
42
Features
51
Overall
45

Pentax WG-3 vs Sony TX66 Key Specs

Pentax WG-3
(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
  • 230g - 124 x 64 x 33mm
  • Announced July 2013
Sony TX66
(Full Review)
  • 18MP - 1/2.3" Sensor
  • 3.3" Fixed Display
  • ISO 80 - 12800
  • Optical Image Stabilization
  • 1920 x 1080 video
  • 26-130mm (F3.5-4.8) lens
  • 109g - 93 x 54 x 13mm
  • Revealed February 2012
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Pentax WG-3 vs Sony TX66 Overview

Below, we are reviewing the Pentax WG-3 vs Sony TX66, former is a Waterproof while the other is a Ultracompact by rivals Pentax and Sony. The sensor resolution of the WG-3 (16MP) and the TX66 (18MP) is very similar and they possess the exact same sensor measurements (1/2.3").

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The WG-3 was manufactured 17 months after the TX66 making the cameras a generation away from each other. Both cameras come with different body type with the Pentax WG-3 being a Compact camera and the Sony TX66 being a Ultracompact camera.

Before we go in to a detailed comparison, below is a quick view of how the WG-3 grades vs the TX66 for portability, imaging, features and an overall score.

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Reasons to pick Pentax WG-3 over the Sony TX66

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

Reasons to pick Sony TX66 over the Pentax WG-3

 TX66 WG-3 
Display dimension3.3"3"Larger display (+0.3")
Display resolution1230k460kClearer display (+770k dot)
Touch friendly display Easily navigate

Common features in the Pentax WG-3 and Sony TX66

 WG-3 TX66 
Focus manually More exact focusing
Display typeFixed Fixed Fixed display
Selfie screen Absent selfie screen

Pentax WG-3 vs Sony TX66 Physical Comparison

In case you're planning to carry around your camera regularly, you have to factor its weight and size. The Pentax WG-3 provides physical dimensions of 124mm x 64mm x 33mm (4.9" x 2.5" x 1.3") having a weight of 230 grams (0.51 lbs) and the Sony TX66 has specifications of 93mm x 54mm x 13mm (3.7" x 2.1" x 0.5") and a weight of 109 grams (0.24 lbs).

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

Bear in mind, the weight of an ILC will differ based on the lens you select at that moment. The following is the front view dimensions comparison of the WG-3 and the TX66.

Pentax WG-3 vs Sony TX66 size comparison

Taking into account size and weight, the portability score of the WG-3 and TX66 is 90 and 97 respectively.

Pentax WG-3 vs Sony TX66 top view buttons comparison

Pentax WG-3 vs Sony TX66 Sensor Comparison

Often, it is very hard to envision the gap between sensor sizes just by going over a spec sheet. The picture here may give you a stronger sense of the sensor sizes in the WG-3 and TX66.

Clearly, both of the cameras posses the exact same sensor measurements but not the same megapixels. You can expect to see the Sony TX66 to offer more detail due to its extra 2 Megapixels. Greater resolution will also make it easier to crop images somewhat more aggressively. The younger WG-3 is going to have an advantage when it comes to sensor tech.

Pentax WG-3 vs Sony TX66 sensor size comparison

Pentax WG-3 vs Sony TX66 Screen and ViewFinder

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

Portrait Comparison

Pentax WG-3 Portrait photography highlights
Sony TX66 Portrait photography highlights
41
has manual focus
megapixel count good (16MP)
comes with face detect focus
manual mode not possible
external flash not possible
very small sensor (1/2.3")
lacks RAW files
42
manual focus
sensor resolution is decent (18MP)
supports face detect autofocus
manual mode not possible
external flash not possible
very small sensor (1/2.3")
does not have RAW format
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Street Comparison

Street photography with Pentax WG-3
Street photography with Sony TX66
61
built in image stabilization (Sensor-shift)
environment sealing
screen does not articulate
very small sensor (1/2.3")
lacks RAW files
64
image stabilization (Optical)
provides touch focus
fixed screen
very small sensor (1/2.3")
does not have RAW format
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Sports Comparison

Pentax WG-3 Sports photography factors
Sony TX66 Sports photography factors
45
built in image stabilization (Sensor-shift)
megapixel count good (16MP)
comes with tracking focus
environment sealing
lack of shutter priority mode
very small sensor (1/2.3")
terrible battery power (240 shots)
lacks phase detect auto focus
49
image stabilization (Optical)
sensor resolution is decent (18 megapixels)
supports tracking focus
better than average battery (250 per charge)
lack of shutter priority mode
very small sensor (1/2.3")
does not have phase detect autofocus
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Travel Comparison

Pentax WG-3 as a Travel photography camera
Sony TX66 as a Travel photography camera
72
environment sealing
megapixel count good (16 megapixels)
has built in flash
decently wide (25mm)
great max aperture (f2.0)
terrible battery power (240 shots)
doesn't offer selfie friendly display
72
better than average battery (250 shots)
provides touch focus
sensor resolution is decent (18 megapixels)
has built in flash
pretty wide (26mm)
does not have Time Lapse recording
doesn't have a selfie friendly screen
somewhat slow maximum aperture (f3.5)
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Landscape Comparison

Pentax WG-3 Landscape photography highlights
Sony TX66 Landscape photography highlights
54
has manual focus
decently wide (25mm)
great max aperture (f2.0)
nice screen size (3 inches)
built in image stabilization (Sensor-shift)
megapixel count good (16MP)
environment sealing
can't switch lens (fixed lens mount)
manual mode not possible
very small sensor (1/2.3")
lacks RAW files
terrible battery power (240 CIPA)
51
manual focus
pretty wide (26mm)
nice screen size (3.3")
image stabilization (Optical)
sensor resolution is decent (18MP)
better than average battery (250 shots)
fixed lens (fixed lens mount)
somewhat slow maximum aperture (f3.5)
manual mode not possible
very small sensor (1/2.3")
does not have RAW format
does not have Time Lapse recording
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Vlogging Comparison

Pentax WG-3 Vlogging details
Sony TX66 Vlogging details
36
decently wide (25mm)
great max aperture (f2.0)
built in image stabilization (Sensor-shift)
comes with face detect focus
video resolution high (1920 x 1080 resolution)
doesn't offer selfie friendly display
lack of mic support
36
pretty wide (26mm)
touchscreen capability
image stabilization (Optical)
supports face detect autofocus
high res video (1920 x 1080 resolution)
somewhat slow maximum aperture (f3.5)
doesn't have a selfie friendly screen
does not have mic socket
Photography Glossary

Pentax WG-3 vs Sony TX66 Specifications

Detailed spec comparison table for Pentax WG-3 and Sony TX66
 Pentax WG-3Sony Cyber-shot DSC-TX66
General Information
Manufacturer Pentax Sony
Model type Pentax WG-3 Sony Cyber-shot DSC-TX66
Category Waterproof Ultracompact
Announced 2013-07-19 2012-02-28
Physical type Compact Ultracompact
Sensor Information
Processor Chip - 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 alias filter
Aspect ratio 1:1, 4:3 and 16:9 4:3 and 16:9
Maximum resolution 4608 x 3456 4896 x 3672
Maximum native ISO 6400 12800
Lowest native ISO 125 80
RAW files
Autofocusing
Focus manually
Autofocus touch
Continuous autofocus
Autofocus single
Autofocus tracking
Selective autofocus
Autofocus center weighted
Autofocus multi area
Autofocus live view
Face detection focus
Contract detection focus
Phase detection focus
Total focus points 9 -
Cross type focus points - -
Lens
Lens mount type fixed lens fixed lens
Lens zoom range 25-100mm (4.0x) 26-130mm (5.0x)
Maximal aperture f/2.0-4.9 f/3.5-4.8
Macro focusing range 1cm 1cm
Focal length multiplier 5.8 5.8
Screen
Type of screen Fixed Type Fixed Type
Screen size 3 inch 3.3 inch
Resolution of screen 460 thousand dots 1,230 thousand dots
Selfie friendly
Liveview
Touch display
Screen technology Widescreen TFT color LCD with anti-reflective coating XtraFine TruBlack OLED display
Viewfinder Information
Viewfinder type None None
Features
Slowest shutter speed 4s 30s
Maximum shutter speed 1/4000s 1/4000s
Continuous shooting rate 10.0fps 10.0fps
Shutter priority
Aperture priority
Manual mode
Custom white balance
Image stabilization
Inbuilt flash
Flash distance 3.40 m 3.10 m
Flash settings Auto, On, Off, Red-eye, Soft Auto, On, Off, Slow Sync, Rear Slow Sync
Hot shoe
AEB
White balance 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) 1920 x 1080 (60 fps), 1440 x 1080 (60, 30 fps), 1280 x 720 (30 fps), 640 x 480 (30 fps)
Maximum video resolution 1920x1080 1920x1080
Video format MPEG-4, H.264 MPEG-4, AVCHD
Mic port
Headphone port
Connectivity
Wireless Eye-Fi Connected None
Bluetooth
NFC
HDMI
USB USB 2.0 (480 Mbit/sec) USB 2.0 (480 Mbit/sec)
GPS None None
Physical
Environmental sealing
Water proofing
Dust proofing
Shock proofing
Crush proofing
Freeze proofing
Weight 230 gr (0.51 lbs) 109 gr (0.24 lbs)
Dimensions 124 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 All around 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 pictures 250 pictures
Style of battery Battery Pack Battery Pack
Battery ID D-LI92 NP-BN
Self timer Yes (2 or 10 sec) Yes (2 or 10 sec, Portrait 1/2)
Time lapse recording
Type of storage SD/SDHC/SDXC card, Internal Memory Stick Duo/Pro Duo/Pro-HG Duo, microSD/microSDHC
Card slots One One
Cost at launch $300 $350