Casio EX-Z90 vs Pentax WG-3 GPS
96 Imaging
35 Features
17 Overall
27


90 Imaging
40 Features
43 Overall
41
Casio EX-Z90 vs Pentax WG-3 GPS Key Specs
(Full Review)
- 12MP - 1/2.3" Sensor
- 2.7" Fixed Screen
- ISO 64 - 1600
- 1280 x 720 video
- 35-105mm (F3.1-5.9) lens
- 121g - 90 x 52 x 19mm
- Announced August 2009
(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
- Revealed July 2013

Casio EX-Z90 vs Pentax WG-3 GPS Overview
The following is a in depth assessment of the Casio EX-Z90 and Pentax WG-3 GPS, former is a Small Sensor Compact while the latter is a Waterproof by rivals Casio and Pentax. There is a substantial difference between the image resolutions of the EX-Z90 (12MP) and WG-3 GPS (16MP) but they feature the exact same sensor dimensions (1/2.3").

The EX-Z90 was manufactured 4 years prior to the WG-3 GPS which is quite a big difference as far as tech is concerned. The two cameras come with the identical body type (Compact).
Before we go through a in depth comparison, below is a quick highlight of how the EX-Z90 scores against the WG-3 GPS when considering portability, imaging, features and an overall mark.

Casio EX-Z90 vs Pentax WG-3 GPS Gallery
The following is a preview of the gallery photos for Casio Exilim EX-Z90 & Pentax WG-3 GPS. The entire galleries are provided at Casio EX-Z90 Gallery & Pentax WG-3 GPS Gallery.
Reasons to pick Casio EX-Z90 over the Pentax WG-3 GPS
EX-Z90 | WG-3 GPS |
---|
Reasons to pick Pentax WG-3 GPS over the Casio EX-Z90
WG-3 GPS | EX-Z90 | |||
---|---|---|---|---|
Revealed | July 2013 | ![]() | August 2009 | Newer by 47 months |
Screen dimension | 3" | ![]() | 2.7" | Bigger screen (+0.3") |
Screen resolution | 460k | ![]() | 230k | Crisper screen (+230k dot) |
Common features in the Casio EX-Z90 and Pentax WG-3 GPS
EX-Z90 | WG-3 GPS | |||
---|---|---|---|---|
Focus manually | ![]() | Dial accurate focusing | ||
Screen type | Fixed | ![]() | Fixed | Fixed screen |
Selfie screen | ![]() | Neither offers selfie screen | ||
Touch screen | ![]() | Neither offers Touch screen |
Casio EX-Z90 vs Pentax WG-3 GPS Physical Comparison
For anyone who is aiming to travel with your camera often, you should consider its weight and volume. The Casio EX-Z90 offers external dimensions of 90mm x 52mm x 19mm (3.5" x 2.0" x 0.7") with a weight of 121 grams (0.27 lbs) whilst the Pentax WG-3 GPS has sizing of 125mm x 64mm x 33mm (4.9" x 2.5" x 1.3") having a weight of 238 grams (0.52 lbs).
Take a look at the Casio EX-Z90 and Pentax WG-3 GPS in our brand new Camera plus Lens Size Comparison Tool.
Bear in mind, the weight of an ILC will change dependant on the lens you are using at that moment. Here is the front view dimension comparison of the EX-Z90 compared to the WG-3 GPS.

Using size and weight, the portability grade of the EX-Z90 and WG-3 GPS is 96 and 90 respectively.

Casio EX-Z90 vs Pentax WG-3 GPS Sensor Comparison
Oftentimes, it is very hard to visualise the difference between sensor dimensions merely by checking technical specs. The picture here will help provide you a far better sense of the sensor dimensions in the EX-Z90 and WG-3 GPS.
As you have seen, both of these cameras have got the exact same sensor measurements albeit not the same resolution. You can count on the Pentax WG-3 GPS to give more detail due to its extra 4 Megapixels. Higher resolution will let you crop photographs much more aggressively. The more aged EX-Z90 is going to be behind with regard to sensor technology.

Casio EX-Z90 vs Pentax WG-3 GPS Screen and ViewFinder


Photography Type Scores
Portrait Comparison

Street Comparison

Sports Comparison

Travel Comparison

Landscape Comparison

Vlogging Comparison

Casio EX-Z90 vs Pentax WG-3 GPS Specifications
Casio Exilim EX-Z90 | Pentax WG-3 GPS | |
---|---|---|
General Information | ||
Brand | Casio | Pentax |
Model | Casio Exilim EX-Z90 | Pentax WG-3 GPS |
Type | Small Sensor Compact | Waterproof |
Announced | 2009-08-18 | 2013-07-19 |
Physical type | Compact | Compact |
Sensor Information | ||
Processor Chip | Digic 4 | - |
Sensor type | CCD | BSI-CMOS |
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 | 12 megapixels | 16 megapixels |
Anti aliasing filter | ||
Aspect ratio | 4:3, 3:2 and 16:9 | 1:1, 4:3 and 16:9 |
Full resolution | 4000 x 3000 | 4608 x 3456 |
Max native ISO | 1600 | 6400 |
Min native ISO | 64 | 125 |
RAW data | ||
Autofocusing | ||
Focus manually | ||
Autofocus touch | ||
Continuous autofocus | ||
Autofocus single | ||
Autofocus tracking | ||
Selective autofocus | ||
Autofocus center weighted | ||
Autofocus multi area | ||
Autofocus live view | ||
Face detection autofocus | ||
Contract detection autofocus | ||
Phase detection autofocus | ||
Number of focus points | - | 9 |
Lens | ||
Lens mount | fixed lens | fixed lens |
Lens focal range | 35-105mm (3.0x) | 25-100mm (4.0x) |
Maximum aperture | f/3.1-5.9 | f/2.0-4.9 |
Macro focus range | 10cm | 1cm |
Focal length multiplier | 5.8 | 5.8 |
Screen | ||
Type of screen | Fixed Type | Fixed Type |
Screen size | 2.7 inch | 3 inch |
Resolution of screen | 230 thousand dots | 460 thousand dots |
Selfie friendly | ||
Liveview | ||
Touch display | ||
Screen tech | - | Widescreen TFT color LCD with anti-reflective coating |
Viewfinder Information | ||
Viewfinder | None | None |
Features | ||
Lowest shutter speed | 4 seconds | 4 seconds |
Highest shutter speed | 1/2000 seconds | 1/4000 seconds |
Shutter priority | ||
Aperture priority | ||
Manually set exposure | ||
Custom white balance | ||
Image stabilization | ||
Built-in flash | ||
Flash range | 3.00 m | 3.40 m |
Flash settings | Auto, On, Off, Red-eye, Soft | Auto, On, Off, Red-eye, Soft |
Hot shoe | ||
AEB | ||
White balance bracketing | ||
Exposure | ||
Multisegment | ||
Average | ||
Spot | ||
Partial | ||
AF area | ||
Center weighted | ||
Video features | ||
Supported video resolutions | 1280 x 720 (24 fps), 640 x 480 (30 fps), 320 x 240 (15 fps) | 1920 x 1080 (30 fps), 1280 x 720 (60, 30 fps) |
Max video resolution | 1280x720 | 1920x1080 |
Video file format | Motion JPEG | MPEG-4, H.264 |
Microphone support | ||
Headphone support | ||
Connectivity | ||
Wireless | Eye-Fi Connected | Eye-Fi Connected |
Bluetooth | ||
NFC | ||
HDMI | ||
USB | USB 2.0 (480 Mbit/sec) | USB 2.0 (480 Mbit/sec) |
GPS | None | BuiltIn |
Physical | ||
Environmental sealing | ||
Water proof | ||
Dust proof | ||
Shock proof | ||
Crush proof | ||
Freeze proof | ||
Weight | 121g (0.27 lbs) | 238g (0.52 lbs) |
Dimensions | 90 x 52 x 19mm (3.5" x 2.0" x 0.7") | 125 x 64 x 33mm (4.9" x 2.5" x 1.3") |
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 shots |
Style of battery | - | Battery Pack |
Battery model | NP-60 | D-LI92 |
Self timer | Yes (2 or 10 sec, Triple) | Yes (2 or 10 sec) |
Time lapse feature | ||
Storage type | SD/MMC/SDHC card, Internal | SD/SDHC/SDXC card, Internal |
Card slots | 1 | 1 |
Launch cost | $150 | $350 |