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Pentax WG-3 GPS vs Sony A6100

Portability
90
Imaging
40
Features
43
Overall
41
Pentax WG-3 GPS front
 
Sony Alpha a6100 front
Portability
81
Imaging
70
Features
88
Overall
77

Pentax WG-3 GPS vs Sony A6100 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
  • Launched July 2013
Sony A6100
(Full Review)
  • 24MP - APS-C Sensor
  • 3" Tilting Display
  • ISO 100 - 32000 (Push to 51200)
  • 3840 x 2160 video
  • Sony E Mount
  • 396g - 120 x 67 x 59mm
  • Launched August 2019
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Pentax WG-3 GPS vs Sony A6100 Overview

In this write-up, we are reviewing the Pentax WG-3 GPS and Sony A6100, one is a Waterproof and the other is a Advanced Mirrorless by competitors Pentax and Sony. There is a huge difference between the resolutions of the WG-3 GPS (16MP) and A6100 (24MP) and the WG-3 GPS (1/2.3") and A6100 (APS-C) possess different sensor sizes.

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The WG-3 GPS was introduced 7 years earlier than the A6100 which is quite a significant gap as far as tech is concerned. Each of the cameras offer different body type with the Pentax WG-3 GPS being a Compact camera and the Sony A6100 being a Rangefinder-style mirrorless camera.

Before getting straight into a thorough comparison, below is a quick synopsis of how the WG-3 GPS matches up versus the A6100 with respect to portability, imaging, features and an overall mark.

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Reasons to pick Pentax WG-3 GPS over the Sony A6100

 WG-3 GPS A6100 

Reasons to pick Sony A6100 over the Pentax WG-3 GPS

 A6100 WG-3 GPS 
LaunchedAugust 2019July 2013Newer by 74 months
Display typeTiltingFixed Tilting display
Display resolution922k460kSharper display (+462k dot)
Selfie screen Easy selfies
Touch friendly display Easily navigate

Common features in the Pentax WG-3 GPS and Sony A6100

 WG-3 GPS A6100 
Manual focus Very exact focus
Display sizing3"3"Equivalent display dimensions

Pentax WG-3 GPS vs Sony A6100 Physical Comparison

For anybody who is looking to travel with your camera frequently, you'll have to take into account its weight and measurements. 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) and the Sony A6100 has proportions of 120mm x 67mm x 59mm (4.7" x 2.6" x 2.3") accompanied by a weight of 396 grams (0.87 lbs).

Check out the Pentax WG-3 GPS and Sony A6100 in the all new Camera with Lens Size Comparison Tool. Camera Size Comparison with Lenses

Keep in mind, the weight of an Interchangeable Lens Camera will differ depending on the lens you are utilising during that time. Here is the front view sizing comparison of the WG-3 GPS vs the A6100.

Pentax WG-3 GPS vs Sony A6100 size comparison

Looking at size and weight, the portability grade of the WG-3 GPS and A6100 is 90 and 81 respectively.

Pentax WG-3 GPS vs Sony A6100 top view buttons comparison

Pentax WG-3 GPS vs Sony A6100 Sensor Comparison

Usually, it is hard to picture the contrast between sensor dimensions simply by reading through a spec sheet. The pic underneath may offer you a greater sense of the sensor sizes in the WG-3 GPS and A6100.

Clearly, both of those cameras enjoy different megapixels and different sensor dimensions. The WG-3 GPS having a tinier sensor is going to make achieving bokeh harder and the Sony A6100 will give extra detail using its extra 8 Megapixels. Greater resolution can also enable you to crop images far more aggressively. The more aged WG-3 GPS is going to be disadvantaged in sensor tech.

Pentax WG-3 GPS vs Sony A6100 sensor size comparison

Pentax WG-3 GPS vs Sony A6100 Screen and ViewFinder

Pentax WG-3 GPS vs Sony A6100 Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Pentax WG-3 GPS as a Portrait photography camera
Sony A6100 as a Portrait photography camera
41
manual focus
good MP (16MP)
supports face detect focus
lack of manual exposure
can't use external flash
sensor size is small (1/2.3")
no RAW files
82
has manual focus
good MP (24MP)
sensor size is good (APS-C)
comes with face detect focus
supports RAW files
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Street Comparison

Street photography with Pentax WG-3 GPS
Street photography with Sony A6100
59
has image stabilization (Sensor-shift)
weather sealing
fixed screen
sensor size is small (1/2.3")
no RAW files
more heavy than others (238g)
79
has a tilting screen
sensor size is good (APS-C)
supports RAW files
features touch focus
good ISO range (32,000)
does not have image stabilization
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Sports Comparison

Pentax WG-3 GPS Sports photography information
Sony A6100 Sports photography information
45
has image stabilization (Sensor-shift)
good MP (16MP)
supports tracking focus
weather sealing
lack of shutter priority mode
sensor size is small (1/2.3")
bad battery pack (240 shots)
no phase detect auto focus
75
good MP (24MP)
sensor size is good (APS-C)
comes with tracking focus
supports phase detect auto focus
does not have image stabilization
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Travel Comparison

Pentax WG-3 GPS Travel photography advice
Sony A6100 Travel photography advice
69
weather sealing
good MP (16MP)
has built in flash
fairly wide (25mm)
good max aperture (f2.0)
bad battery pack (240 shots)
more heavy than others (238g)
does not feature selfie friendly display
86
has bluetooth
features touch focus
good MP (24MP)
built-in flash
selfie friendly display
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Landscape Comparison

Pentax WG-3 GPS Landscape photography info
Sony A6100 Landscape photography info
54
manual focus
fairly wide (25mm)
good max aperture (f2.0)
screen size is good (3")
has image stabilization (Sensor-shift)
good MP (16 megapixels)
weather sealing
lens is fixed (fixed lens mount)
lack of manual exposure
sensor size is small (1/2.3")
no RAW files
bad battery pack (240 per charge)
79
has manual focus
interchangeable lenses (Sony E mount)
good sized screen (3 inches)
good MP (24 megapixels)
sensor size is good (APS-C)
good ISO range (32,000)
supports RAW files
does not have image stabilization
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Vlogging Comparison

Vlogging with Pentax WG-3 GPS
Vlogging with Sony A6100
34
fairly wide (25mm)
good max aperture (f2.0)
has image stabilization (Sensor-shift)
supports face detect focus
video res high (1920 x 1080 resolution)
does not feature selfie friendly display
doesn't have microphone jack
more heavy than others (238g)
79
selfie friendly display
touchscreen functionality
comes with face detect focus
video resolution high (3840 x 2160 resolution)
comes with microphone jack
does not have image stabilization
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Pentax WG-3 GPS vs Sony A6100 Specifications

Detailed spec comparison table for Pentax WG-3 GPS and Sony A6100
 Pentax WG-3 GPSSony Alpha a6100
General Information
Make Pentax Sony
Model Pentax WG-3 GPS Sony Alpha a6100
Category Waterproof Advanced Mirrorless
Launched 2013-07-19 2019-08-28
Body design Compact Rangefinder-style mirrorless
Sensor Information
Processor - Bionz X
Sensor type BSI-CMOS CMOS
Sensor size 1/2.3" APS-C
Sensor measurements 6.17 x 4.55mm 23.5 x 15.6mm
Sensor surface area 28.1mm² 366.6mm²
Sensor resolution 16 megapixels 24 megapixels
Anti aliasing filter
Aspect ratio 1:1, 4:3 and 16:9 1:1, 3:2 and 16:9
Peak resolution 4608 x 3456 6000 x 4000
Highest native ISO 6400 32000
Highest enhanced ISO - 51200
Lowest native ISO 125 100
RAW images
Autofocusing
Focus manually
Touch focus
Continuous autofocus
Autofocus single
Tracking autofocus
Selective autofocus
Autofocus center weighted
Autofocus multi area
Autofocus live view
Face detect focus
Contract detect focus
Phase detect focus
Number of focus points 9 425
Lens
Lens mounting type fixed lens Sony E
Lens focal range 25-100mm (4.0x) -
Largest aperture f/2.0-4.9 -
Macro focus range 1cm -
Available lenses - 121
Crop factor 5.8 1.5
Screen
Display type Fixed Type Tilting
Display size 3" 3"
Display resolution 460k dot 922k dot
Selfie friendly
Liveview
Touch function
Display tech Widescreen TFT color LCD with anti-reflective coating -
Viewfinder Information
Viewfinder None Electronic
Viewfinder resolution - 1,440k dot
Viewfinder coverage - 100 percent
Viewfinder magnification - 0.71x
Features
Min shutter speed 4s 30s
Max shutter speed 1/4000s 1/4000s
Continuous shutter speed - 11.0 frames per sec
Shutter priority
Aperture priority
Manual exposure
Exposure compensation - Yes
Change white balance
Image stabilization
Built-in flash
Flash range 3.40 m 6.00 m (at ISO 100)
Flash modes Auto, On, Off, Red-eye, Soft Flash off, auto, fill flash, slow sync, rear sync, wireless, hi-speed
Hot shoe
Auto exposure bracketing
WB bracketing
Exposure
Multisegment
Average
Spot
Partial
AF area
Center weighted
Video features
Video resolutions 1920 x 1080 (30 fps), 1280 x 720 (60, 30 fps) 3840 x 2160 @ 30p / 100 Mbps, XAVC S, MP4, H.264, Linear PCM
Highest video resolution 1920x1080 3840x2160
Video file format MPEG-4, H.264 MPEG-4, XAVC S, H.264
Microphone input
Headphone input
Connectivity
Wireless Eye-Fi Connected Built-In
Bluetooth
NFC
HDMI
USB USB 2.0 (480 Mbit/sec) Yes
GPS BuiltIn None
Physical
Environment seal
Water proof
Dust proof
Shock proof
Crush proof
Freeze proof
Weight 238g (0.52 lbs) 396g (0.87 lbs)
Dimensions 125 x 64 x 33mm (4.9" x 2.5" x 1.3") 120 x 67 x 59mm (4.7" x 2.6" x 2.3")
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 images 420 images
Battery format Battery Pack Battery Pack
Battery model D-LI92 NP-FW50
Self timer Yes (2 or 10 sec) Yes
Time lapse feature
Type of storage SD/SDHC/SDXC card, Internal SD/SDHC/SDXC + Memory Stick Pro Duo
Storage slots One One
Cost at release $350 $748