Casio EX-H20G vs Nikon S31
91 Imaging
36 Features
32 Overall
34
90 Imaging
33 Features
18 Overall
27
Casio EX-H20G vs Nikon S31 Key Specs
(Full Review)
- 14MP - 1/2.3" Sensor
- 3" Fixed Screen
- ISO 64 - 3200
- Sensor-shift Image Stabilization
- 1280 x 720 video
- 24-240mm (F3.2-5.7) lens
- 216g - 103 x 68 x 29mm
- Revealed September 2010
(Full Review)
- 10MP - 1/2.9" Sensor
- 2.7" Fixed Display
- ISO 80 - 1600
- 1280 x 720 video
- 29-87mm (F) lens
- 185g - 105 x 65 x 42mm
- Launched June 2013
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The following is a detailed assessment of the Casio EX-H20G versus Nikon S31, former is a Small Sensor Compact while the other is a Waterproof by rivals Casio and Nikon. There exists a sizable gap between the image resolutions of the EX-H20G (14MP) and S31 (10MP) and the EX-H20G (1/2.3") and S31 (1/2.9") provide different sensor size.
Snapchat Adds Watermarks to AI-Created ImagesThe EX-H20G was revealed 3 years prior to the S31 which is quite a significant difference as far as technology is concerned. Both of the cameras feature the same body design (Compact).
Before delving into a full comparison, here is a quick introduction of how the EX-H20G matches up vs the S31 in regards to portability, imaging, features and an overall mark.
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Following is a sample of the gallery pictures for Casio Exilim EX-H20G & Nikon Coolpix S31. The full galleries are provided at Casio EX-H20G Gallery & Nikon S31 Gallery.
Reasons to pick Casio EX-H20G over the Nikon S31
| EX-H20G | S31 | |||
|---|---|---|---|---|
| Focus manually | More exact focus | |||
| Display size | 3" | 2.7" | Larger display (+0.3") | |
| Display resolution | 461k | 230k | Crisper display (+231k dot) |
Reasons to pick Nikon S31 over the Casio EX-H20G
| S31 | EX-H20G | |||
|---|---|---|---|---|
| Launched | June 2013 | September 2010 | Newer by 33 months |
Common features in the Casio EX-H20G and Nikon S31
| EX-H20G | S31 | |||
|---|---|---|---|---|
| Display type | Fixed | Fixed | Fixed display | |
| Selfie screen | Neither comes with selfie screen | |||
| Touch display | Neither comes with Touch display |
Casio EX-H20G vs Nikon S31 Physical Comparison
For anybody who is planning to travel with your camera frequently, you're going to have to consider its weight and dimensions. The Casio EX-H20G comes with outside dimensions of 103mm x 68mm x 29mm (4.1" x 2.7" x 1.1") having a weight of 216 grams (0.48 lbs) while the Nikon S31 has dimensions of 105mm x 65mm x 42mm (4.1" x 2.6" x 1.7") with a weight of 185 grams (0.41 lbs).
Contrast the Casio EX-H20G versus Nikon S31 in our completely new Camera & Lens Size Comparison Tool.
Keep in mind, the weight of an ILC will change based on the lens you choose during that time. Here is a front view measurement comparison of the EX-H20G and the S31.

Using dimensions and weight, the portability rating of the EX-H20G and S31 is 91 and 90 respectively.
Casio EX-H20G vs Nikon S31 Sensor Comparison
Sometimes, its hard to picture the gap between sensor dimensions only by reviewing technical specs. The image below may offer you a clearer sense of the sensor dimensions in the EX-H20G and S31.
As you can tell, the 2 cameras come with different megapixels and different sensor dimensions. The EX-H20G using its larger sensor is going to make getting shallow depth of field less difficult and the Casio EX-H20G will deliver greater detail because of its extra 4MP. Greater resolution will let you crop photos a good deal more aggressively. The more aged EX-H20G is going to be behind with regard to sensor tech.
Casio EX-H20G vs Nikon S31 Screen and ViewFinder
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Casio EX-H20G vs Nikon S31 Specifications
| Casio Exilim EX-H20G | Nikon Coolpix S31 | |
|---|---|---|
| General Information | ||
| Make | Casio | Nikon |
| Model | Casio Exilim EX-H20G | Nikon Coolpix S31 |
| Class | Small Sensor Compact | Waterproof |
| Revealed | 2010-09-20 | 2013-06-21 |
| Body design | Compact | Compact |
| Sensor Information | ||
| Powered by | Exilim Engine HS | - |
| Sensor type | CCD | CCD |
| Sensor size | 1/2.3" | 1/2.9" |
| Sensor dimensions | 6.17 x 4.55mm | 4.96 x 3.72mm |
| Sensor surface area | 28.1mm² | 18.5mm² |
| Sensor resolution | 14 megapixel | 10 megapixel |
| Anti aliasing filter | ||
| Aspect ratio | 4:3, 3:2 and 16:9 | - |
| Maximum resolution | 4320 x 3240 | 3648 x 2736 |
| Maximum native ISO | 3200 | 1600 |
| Lowest native ISO | 64 | 80 |
| RAW pictures | ||
| Autofocusing | ||
| Focus manually | ||
| Autofocus touch | ||
| Continuous autofocus | ||
| Single autofocus | ||
| Autofocus tracking | ||
| Autofocus selectice | ||
| Center weighted autofocus | ||
| Autofocus multi area | ||
| Live view autofocus | ||
| Face detection autofocus | ||
| Contract detection autofocus | ||
| Phase detection autofocus | ||
| Cross focus points | - | - |
| Lens | ||
| Lens mount | fixed lens | fixed lens |
| Lens focal range | 24-240mm (10.0x) | 29-87mm (3.0x) |
| Maximal aperture | f/3.2-5.7 | - |
| Macro focus distance | 7cm | - |
| Focal length multiplier | 5.8 | 7.3 |
| Screen | ||
| Screen type | Fixed Type | Fixed Type |
| Screen diagonal | 3" | 2.7" |
| Screen resolution | 461 thousand dot | 230 thousand dot |
| Selfie friendly | ||
| Liveview | ||
| Touch functionality | ||
| Viewfinder Information | ||
| Viewfinder | None | None |
| Features | ||
| Lowest shutter speed | 4 seconds | 4 seconds |
| Highest shutter speed | 1/2000 seconds | 1/2000 seconds |
| Shutter priority | ||
| Aperture priority | ||
| Expose Manually | ||
| Change white balance | ||
| Image stabilization | ||
| Built-in flash | ||
| Flash options | Auto, flash off, flash on, red eye reduction | - |
| Hot shoe | ||
| AEB | ||
| White balance bracketing | ||
| Exposure | ||
| Multisegment metering | ||
| Average metering | ||
| Spot metering | ||
| Partial metering | ||
| AF area metering | ||
| Center weighted metering | ||
| Video features | ||
| Video resolutions | 1280 x 720 (30 fps), 640 x 480 (30 fps) | 1280 x 720 |
| Maximum video resolution | 1280x720 | 1280x720 |
| Video file format | H.264 | - |
| Mic jack | ||
| Headphone jack | ||
| Connectivity | ||
| Wireless | Eye-Fi Connected | None |
| Bluetooth | ||
| NFC | ||
| HDMI | ||
| USB | USB 2.0 (480 Mbit/sec) | USB 2.0 (480 Mbit/sec) |
| GPS | BuiltIn | None |
| Physical | ||
| Environmental seal | ||
| Water proof | ||
| Dust proof | ||
| Shock proof | ||
| Crush proof | ||
| Freeze proof | ||
| Weight | 216 grams (0.48 lbs) | 185 grams (0.41 lbs) |
| Physical dimensions | 103 x 68 x 29mm (4.1" x 2.7" x 1.1") | 105 x 65 x 42mm (4.1" x 2.6" x 1.7") |
| 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 | - | 260 pictures |
| Type of battery | - | Battery Pack |
| Battery model | NP-90 | EN-EL12 |
| Self timer | Yes (2 or 10 sec, Triple) | - |
| Time lapse shooting | ||
| Type of storage | SD/SDHC/SDXC | SD / SDHC/SDXC |
| Storage slots | 1 | 1 |
| Pricing at launch | $300 | $90 |