Casio EX-Z400 vs Pentax WG-3
95 Imaging
34 Features
25 Overall
30


90 Imaging
40 Features
44 Overall
41
Casio EX-Z400 vs Pentax WG-3 Key Specs
(Full Review)
- 12MP - 1/2.3" Sensor
- 3" Fixed Screen
- ISO 100 - 1600
- Sensor-shift Image Stabilization
- 1280 x 720 video
- 28-112mm (F2.6-7.0) lens
- 130g - 95 x 60 x 23mm
- Revealed January 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
- 230g - 124 x 64 x 33mm
- Launched July 2013

Casio EX-Z400 vs Pentax WG-3 Overview
Below is a in depth analysis of the Casio EX-Z400 vs Pentax WG-3, one being a Ultracompact and the latter is a Waterproof by rivals Casio and Pentax. There is a crucial difference among the resolutions of the EX-Z400 (12MP) and WG-3 (16MP) but both cameras offer the same sensor sizing (1/2.3").

The EX-Z400 was unveiled 5 years earlier than the WG-3 and that is a fairly serious gap as far as camera tech is concerned. Both the cameras have different body design with the Casio EX-Z400 being a Ultracompact camera and the Pentax WG-3 being a Compact camera.
Before going straight to a detailed comparison, here is a quick highlight of how the EX-Z400 grades versus the WG-3 when it comes to portability, imaging, features and an overall grade.

Casio EX-Z400 vs Pentax WG-3 Gallery
Below is a preview of the gallery images for Casio Exilim EX-Z400 and Pentax WG-3. The full galleries are available at Casio EX-Z400 Gallery and Pentax WG-3 Gallery.
Reasons to pick Casio EX-Z400 over the Pentax WG-3
EX-Z400 | WG-3 |
---|
Reasons to pick Pentax WG-3 over the Casio EX-Z400
WG-3 | EX-Z400 | |||
---|---|---|---|---|
Launched | July 2013 | ![]() | January 2009 | More recent by 55 months |
Focus manually | ![]() | More accurate focus | ||
Screen resolution | 460k | ![]() | 230k | Clearer screen (+230k dot) |
Common features in the Casio EX-Z400 and Pentax WG-3
EX-Z400 | WG-3 | |||
---|---|---|---|---|
Screen type | Fixed | ![]() | Fixed | Fixed screen |
Screen dimensions | 3" | ![]() | 3" | Equal screen measurement |
Selfie screen | ![]() | Lacking selfie screen | ||
Touch screen | ![]() | Neither comes with Touch screen |
Casio EX-Z400 vs Pentax WG-3 Physical Comparison
If you are planning to lug around your camera regularly, you are going to need to take into account its weight and proportions. The Casio EX-Z400 comes with outside measurements of 95mm x 60mm x 23mm (3.7" x 2.4" x 0.9") and a weight of 130 grams (0.29 lbs) whilst the Pentax WG-3 has measurements of 124mm x 64mm x 33mm (4.9" x 2.5" x 1.3") having a weight of 230 grams (0.51 lbs).
See the Casio EX-Z400 vs Pentax WG-3 in the latest Camera and Lens Size Comparison Tool.
Remember, the weight of an Interchangeable Lens Camera will differ dependant on the lens you are utilising at that moment. The following is a front view sizing comparison of the EX-Z400 versus the WG-3.

Factoring in size and weight, the portability grade of the EX-Z400 and WG-3 is 95 and 90 respectively.

Casio EX-Z400 vs Pentax WG-3 Sensor Comparison
Often, its difficult to envision the difference in sensor measurements merely by checking out technical specs. The visual underneath might provide you a more clear sense of the sensor sizing in the EX-Z400 and WG-3.
As you have seen, each of these cameras have the same sensor dimensions albeit not the same resolution. You should expect the Pentax WG-3 to provide greater detail having an extra 4 Megapixels. Higher resolution can also make it easier to crop shots a bit more aggressively. The older EX-Z400 will be disadvantaged when it comes to sensor tech.

Casio EX-Z400 vs Pentax WG-3 Screen and ViewFinder


Photography Type Scores
Portrait Comparison

Street Comparison

Sports Comparison

Travel Comparison

Landscape Comparison

Vlogging Comparison

Casio EX-Z400 vs Pentax WG-3 Specifications
Casio Exilim EX-Z400 | Pentax WG-3 | |
---|---|---|
General Information | ||
Company | Casio | Pentax |
Model type | Casio Exilim EX-Z400 | Pentax WG-3 |
Class | Ultracompact | Waterproof |
Revealed | 2009-01-08 | 2013-07-19 |
Body design | Ultracompact | Compact |
Sensor Information | ||
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 alias filter | ||
Aspect ratio | 16:9, 4:3 and 3:2 | 1:1, 4:3 and 16:9 |
Maximum resolution | 4000 x 3000 | 4608 x 3456 |
Maximum native ISO | 1600 | 6400 |
Minimum native ISO | 100 | 125 |
RAW files | ||
Autofocusing | ||
Focus manually | ||
Autofocus touch | ||
Autofocus continuous | ||
Single autofocus | ||
Tracking autofocus | ||
Autofocus selectice | ||
Autofocus center weighted | ||
Multi area autofocus | ||
Live view autofocus | ||
Face detection focus | ||
Contract detection focus | ||
Phase detection focus | ||
Total focus points | - | 9 |
Lens | ||
Lens mount type | fixed lens | fixed lens |
Lens zoom range | 28-112mm (4.0x) | 25-100mm (4.0x) |
Largest aperture | f/2.6-7.0 | f/2.0-4.9 |
Macro focusing distance | - | 1cm |
Focal length multiplier | 5.8 | 5.8 |
Screen | ||
Screen type | Fixed Type | Fixed Type |
Screen sizing | 3 inches | 3 inches |
Resolution of screen | 230k dot | 460k dot |
Selfie friendly | ||
Liveview | ||
Touch friendly | ||
Screen tech | - | Widescreen TFT color LCD with anti-reflective coating |
Viewfinder Information | ||
Viewfinder type | None | None |
Features | ||
Lowest shutter speed | 1/2s | 4s |
Highest shutter speed | 1/1000s | 1/4000s |
Continuous shooting speed | - | 10.0fps |
Shutter priority | ||
Aperture priority | ||
Manual exposure | ||
Custom white balance | ||
Image stabilization | ||
Integrated flash | ||
Flash distance | - | 3.40 m |
Flash modes | - | Auto, On, Off, Red-eye, Soft |
Hot shoe | ||
Auto exposure bracketing | ||
WB bracketing | ||
Exposure | ||
Multisegment | ||
Average | ||
Spot | ||
Partial | ||
AF area | ||
Center weighted | ||
Video features | ||
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) |
Maximum video resolution | 1280x720 | 1920x1080 |
Video file format | Motion JPEG | MPEG-4, H.264 |
Microphone jack | ||
Headphone jack | ||
Connectivity | ||
Wireless | None | Eye-Fi Connected |
Bluetooth | ||
NFC | ||
HDMI | ||
USB | none | USB 2.0 (480 Mbit/sec) |
GPS | None | None |
Physical | ||
Environmental seal | ||
Water proofing | ||
Dust proofing | ||
Shock proofing | ||
Crush proofing | ||
Freeze proofing | ||
Weight | 130g (0.29 lb) | 230g (0.51 lb) |
Physical dimensions | 95 x 60 x 23mm (3.7" x 2.4" x 0.9") | 124 x 64 x 33mm (4.9" x 2.5" x 1.3") |
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 photographs |
Battery form | - | Battery Pack |
Battery ID | NP-40 | D-LI92 |
Self timer | Yes (10 seconds, 2 seconds, Triple Self-timer) | Yes (2 or 10 sec) |
Time lapse recording | ||
Type of storage | SDHC Memory Card, SD Memory Card, Eye-Fi Wireless Card compatible | SD/SDHC/SDXC card, Internal |
Storage slots | One | One |
Launch cost | $0 | $300 |