Casio EX-Z450 vs Nikon S31
96 Imaging
34 Features
24 Overall
30
90 Imaging
33 Features
18 Overall
27
Casio EX-Z450 vs Nikon S31 Key Specs
(Full Review)
- 12MP - 1/2.3" Sensor
- 3" Fixed Display
- ISO 64 - 1600
- 1280 x 720 video
- 28-112mm (F2.6-5.8) lens
- 128g - 81 x 56 x 21mm
- Revealed August 2009
(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
- Released June 2013
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Following is a in-depth comparison of the Casio EX-Z450 vs Nikon S31, one is a Small Sensor Compact and the other is a Waterproof by companies Casio and Nikon. The resolution of the EX-Z450 (12MP) and the S31 (10MP) is very similar but the EX-Z450 (1/2.3") and S31 (1/2.9") enjoy totally different sensor sizing.
Mastering Nature Photography with a Digital Microscope CameraThe EX-Z450 was introduced 4 years before the S31 which is quite a big gap as far as tech is concerned. The two cameras come with the identical body type (Compact).
Before going through a comprehensive comparison, below is a quick view of how the EX-Z450 scores versus the S31 when considering portability, imaging, features and an overall score.
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Here is a sample of the gallery pics for Casio Exilim EX-Z450 and Nikon Coolpix S31. The whole galleries are available at Casio EX-Z450 Gallery and Nikon S31 Gallery.
Reasons to pick Casio EX-Z450 over the Nikon S31
| EX-Z450 | S31 | |||
|---|---|---|---|---|
| Focus manually | More exact focus | |||
| Display dimension | 3" | 2.7" | Larger display (+0.3") |
Reasons to pick Nikon S31 over the Casio EX-Z450
| S31 | EX-Z450 | |||
|---|---|---|---|---|
| Released | June 2013 | August 2009 | More modern by 46 months |
Common features in the Casio EX-Z450 and Nikon S31
| EX-Z450 | S31 | |||
|---|---|---|---|---|
| Display type | Fixed | Fixed | Fixed display | |
| Display resolution | 230k | 230k | Equal display resolution | |
| Selfie screen | Missing selfie screen | |||
| Touch display | Missing Touch display |
Casio EX-Z450 vs Nikon S31 Physical Comparison
For anybody who is intending to carry around your camera often, you will have to consider its weight and size. The Casio EX-Z450 has got physical dimensions of 81mm x 56mm x 21mm (3.2" x 2.2" x 0.8") with a weight of 128 grams (0.28 lbs) whilst the Nikon S31 has specifications of 105mm x 65mm x 42mm (4.1" x 2.6" x 1.7") with a weight of 185 grams (0.41 lbs).
See the Casio EX-Z450 vs Nikon S31 in the new Camera with Lens Size Comparison Tool.
Remember that, the weight of an Interchangeable Lens Camera will differ dependant on the lens you have at the time. Underneath is the front view proportions comparison of the EX-Z450 compared to the S31.

Taking into account size and weight, the portability score of the EX-Z450 and S31 is 96 and 90 respectively.
Casio EX-Z450 vs Nikon S31 Sensor Comparison
In many cases, its tough to envision the gap between sensor sizes merely by going over technical specs. The picture here may provide you a better sense of the sensor sizes in the EX-Z450 and S31.
As you have seen, the 2 cameras have got different megapixels and different sensor sizes. The EX-Z450 having a larger sensor will make shooting shallow depth of field simpler and the Casio EX-Z450 will deliver more detail using its extra 2MP. Greater resolution will also let you crop images much more aggressively. The more aged EX-Z450 is going to be disadvantaged in sensor tech.
Casio EX-Z450 vs Nikon S31 Screen and ViewFinder
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Casio EX-Z450 vs Nikon S31 Specifications
| Casio Exilim EX-Z450 | Nikon Coolpix S31 | |
|---|---|---|
| General Information | ||
| Brand | Casio | Nikon |
| Model type | Casio Exilim EX-Z450 | Nikon Coolpix S31 |
| Class | Small Sensor Compact | Waterproof |
| Revealed | 2009-08-18 | 2013-06-21 |
| Body design | Compact | Compact |
| Sensor Information | ||
| 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 | 12 megapixel | 10 megapixel |
| Anti alias filter | ||
| Aspect ratio | 4:3, 3:2 and 16:9 | - |
| Highest resolution | 4000 x 3000 | 3648 x 2736 |
| Highest native ISO | 1600 | 1600 |
| Min native ISO | 64 | 80 |
| RAW format | ||
| Autofocusing | ||
| Manual focusing | ||
| Touch focus | ||
| AF continuous | ||
| AF single | ||
| Tracking AF | ||
| AF selectice | ||
| Center weighted AF | ||
| Multi area AF | ||
| Live view AF | ||
| Face detect AF | ||
| Contract detect AF | ||
| Phase detect AF | ||
| Cross type focus points | - | - |
| Lens | ||
| Lens support | fixed lens | fixed lens |
| Lens zoom range | 28-112mm (4.0x) | 29-87mm (3.0x) |
| Maximum aperture | f/2.6-5.8 | - |
| Macro focusing distance | 10cm | - |
| Crop factor | 5.8 | 7.3 |
| Screen | ||
| Display type | Fixed Type | Fixed Type |
| Display size | 3 inch | 2.7 inch |
| Display resolution | 230k dot | 230k dot |
| Selfie friendly | ||
| Liveview | ||
| Touch functionality | ||
| Viewfinder Information | ||
| Viewfinder | None | None |
| Features | ||
| Lowest shutter speed | 1/2s | 4s |
| Highest shutter speed | 1/1000s | 1/2000s |
| Continuous shooting speed | 10.0fps | - |
| Shutter priority | ||
| Aperture priority | ||
| Manual exposure | ||
| Custom WB | ||
| Image stabilization | ||
| Inbuilt flash | ||
| Flash distance | 3.00 m | - |
| Flash options | Auto, On, Off, Red-eye, Soft | - |
| Hot shoe | ||
| AEB | ||
| WB bracketing | ||
| Exposure | ||
| Multisegment exposure | ||
| Average exposure | ||
| Spot exposure | ||
| Partial exposure | ||
| AF area exposure | ||
| Center weighted exposure | ||
| Video features | ||
| Supported video resolutions | 1280 x 720 (24 fps), 640 x 480 (30 fps), 320 x 240 (15 fps) | 1280 x 720 |
| Highest video resolution | 1280x720 | 1280x720 |
| Video file format | Motion JPEG | - |
| Mic input | ||
| Headphone input | ||
| Connectivity | ||
| Wireless | Eye-Fi Connected | None |
| Bluetooth | ||
| NFC | ||
| HDMI | ||
| USB | USB 2.0 (480 Mbit/sec) | USB 2.0 (480 Mbit/sec) |
| GPS | None | None |
| Physical | ||
| Environment seal | ||
| Water proofing | ||
| Dust proofing | ||
| Shock proofing | ||
| Crush proofing | ||
| Freeze proofing | ||
| Weight | 128g (0.28 lb) | 185g (0.41 lb) |
| Dimensions | 81 x 56 x 21mm (3.2" x 2.2" x 0.8") | 105 x 65 x 42mm (4.1" x 2.6" x 1.7") |
| 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 | - | 260 photographs |
| Battery format | - | Battery Pack |
| Battery ID | NP-40 | EN-EL12 |
| Self timer | Yes (2 or 10 sec, Triple) | - |
| Time lapse recording | ||
| Storage media | SD/SDHC card, Internal | SD / SDHC/SDXC |
| Storage slots | Single | Single |
| Pricing at launch | $229 | $90 |