Casio EX-S7 vs Pentax WG-3 GPS
96 Imaging
35 Features
14 Overall
26


90 Imaging
40 Features
43 Overall
41
Casio EX-S7 vs Pentax WG-3 GPS Key Specs
(Full Review)
- 12MP - 1/2.3" Sensor
- 2.7" Fixed Display
- ISO 64 - 1600
- 1280 x 720 video
- 36-107mm (F3.1-5.6) lens
- 121g - 97 x 57 x 20mm
- Introduced February 2010
(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
- Released July 2013

Casio EX-S7 vs Pentax WG-3 GPS Overview
Let's examine more closely at the Casio EX-S7 and Pentax WG-3 GPS, former being a Ultracompact while the latter is a Waterproof by manufacturers Casio and Pentax. There is a sizable difference between the image resolutions of the EX-S7 (12MP) and WG-3 GPS (16MP) but they come with the same exact sensor dimensions (1/2.3").

The EX-S7 was revealed 4 years earlier than the WG-3 GPS and that is quite a significant difference as far as tech is concerned. Both of these cameras offer different body type with the Casio EX-S7 being a Ultracompact camera and the Pentax WG-3 GPS being a Compact camera.
Before going in to a step-by-step comparison, below is a short highlight of how the EX-S7 grades against the WG-3 GPS in terms of portability, imaging, features and an overall grade.

Casio EX-S7 vs Pentax WG-3 GPS Gallery
Following is a preview of the gallery photos for Casio Exilim EX-S7 & Pentax WG-3 GPS. The full galleries are provided at Casio EX-S7 Gallery & Pentax WG-3 GPS Gallery.
Reasons to pick Casio EX-S7 over the Pentax WG-3 GPS
EX-S7 | WG-3 GPS |
---|
Reasons to pick Pentax WG-3 GPS over the Casio EX-S7
WG-3 GPS | EX-S7 | |||
---|---|---|---|---|
Released | July 2013 | ![]() | February 2010 | More recent by 41 months |
Screen sizing | 3" | ![]() | 2.7" | Bigger screen (+0.3") |
Screen resolution | 460k | ![]() | 230k | Clearer screen (+230k dot) |
Common features in the Casio EX-S7 and Pentax WG-3 GPS
EX-S7 | WG-3 GPS | |||
---|---|---|---|---|
Manually focus | ![]() | More accurate focus | ||
Screen type | Fixed | ![]() | Fixed | Fixed screen |
Selfie screen | ![]() | Missing selfie screen | ||
Touch friendly screen | ![]() | Missing Touch friendly screen |
Casio EX-S7 vs Pentax WG-3 GPS Physical Comparison
For anybody who is aiming to lug around your camera, you should factor in its weight and dimensions. The Casio EX-S7 has got external dimensions of 97mm x 57mm x 20mm (3.8" x 2.2" x 0.8") and a weight of 121 grams (0.27 lbs) and the Pentax WG-3 GPS has dimensions of 125mm x 64mm x 33mm (4.9" x 2.5" x 1.3") accompanied by a weight of 238 grams (0.52 lbs).
Check the Casio EX-S7 and Pentax WG-3 GPS in our brand new Camera & Lens Size Comparison Tool.
Keep in mind, the weight of an ILC will vary depending on the lens you are employing during that time. Here is the front view measurements comparison of the EX-S7 compared to the WG-3 GPS.

Taking into consideration size and weight, the portability score of the EX-S7 and WG-3 GPS is 96 and 90 respectively.

Casio EX-S7 vs Pentax WG-3 GPS Sensor Comparison
Oftentimes, it's tough to picture the contrast between sensor measurements simply by going over specs. The graphic below will provide you a greater sense of the sensor dimensions in the EX-S7 and WG-3 GPS.
As you can plainly see, each of these cameras enjoy the same exact sensor sizing albeit different resolution. You can count on the Pentax WG-3 GPS to offer greater detail because of its extra 4MP. Higher resolution will allow you to crop pictures far more aggressively. The older EX-S7 is going to be behind in sensor tech.

Casio EX-S7 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-S7 vs Pentax WG-3 GPS Specifications
Casio Exilim EX-S7 | Pentax WG-3 GPS | |
---|---|---|
General Information | ||
Brand Name | Casio | Pentax |
Model | Casio Exilim EX-S7 | Pentax WG-3 GPS |
Category | Ultracompact | Waterproof |
Introduced | 2010-02-21 | 2013-07-19 |
Physical type | Ultracompact | Compact |
Sensor Information | ||
Processor | Exilim Engine 5.0 | - |
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 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 |
Highest resolution | 4000 x 3000 | 4608 x 3456 |
Highest native ISO | 1600 | 6400 |
Minimum native ISO | 64 | 125 |
RAW files | ||
Autofocusing | ||
Manual focus | ||
AF touch | ||
AF continuous | ||
Single AF | ||
AF tracking | ||
Selective AF | ||
AF center weighted | ||
Multi area AF | ||
AF live view | ||
Face detect AF | ||
Contract detect AF | ||
Phase detect AF | ||
Number of focus points | - | 9 |
Lens | ||
Lens mounting type | fixed lens | fixed lens |
Lens focal range | 36-107mm (3.0x) | 25-100mm (4.0x) |
Maximal aperture | f/3.1-5.6 | f/2.0-4.9 |
Macro focus distance | 10cm | 1cm |
Focal length multiplier | 5.8 | 5.8 |
Screen | ||
Type of display | Fixed Type | Fixed Type |
Display size | 2.7" | 3" |
Resolution of display | 230k dots | 460k dots |
Selfie friendly | ||
Liveview | ||
Touch display | ||
Display tech | - | Widescreen TFT color LCD with anti-reflective coating |
Viewfinder Information | ||
Viewfinder | None | None |
Features | ||
Lowest shutter speed | 4 secs | 4 secs |
Highest shutter speed | 1/2000 secs | 1/4000 secs |
Shutter priority | ||
Aperture priority | ||
Manually set exposure | ||
Change WB | ||
Image stabilization | ||
Inbuilt flash | ||
Flash range | 3.20 m | 3.40 m |
Flash settings | Auto, On, Off, Red-eye, Soft | Auto, On, Off, Red-eye, Soft |
Hot shoe | ||
AEB | ||
WB bracketing | ||
Exposure | ||
Multisegment metering | ||
Average metering | ||
Spot metering | ||
Partial metering | ||
AF area metering | ||
Center weighted metering | ||
Video features | ||
Supported video resolutions | 1280 x 720 (30 fps), 640 x 480 (30 fps), 320 x 240 (15 fps) | 1920 x 1080 (30 fps), 1280 x 720 (60, 30 fps) |
Highest video resolution | 1280x720 | 1920x1080 |
Video data format | Motion JPEG | MPEG-4, H.264 |
Microphone support | ||
Headphone support | ||
Connectivity | ||
Wireless | None | 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 | 121 gr (0.27 lbs) | 238 gr (0.52 lbs) |
Dimensions | 97 x 57 x 20mm (3.8" x 2.2" x 0.8") | 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 |
Battery style | - | Battery Pack |
Battery model | NP-80 | D-LI92 |
Self timer | Yes (2 or 10 sec, Triple Self-timer) | Yes (2 or 10 sec) |
Time lapse feature | ||
Storage type | SD/SDHC card, Internal | SD/SDHC/SDXC card, Internal |
Card slots | 1 | 1 |
Retail cost | $140 | $350 |