Canon A2100 IS vs Nikon S31
92 Imaging
34 Features
20 Overall
28
90 Imaging
33 Features
18 Overall
27
Canon A2100 IS vs Nikon S31 Key Specs
(Full Review)
- 12MP - 1/2.3" Sensor
- 3" Fixed Display
- ISO 80 - 1600
- Optical Image Stabilization
- 640 x 480 video
- 36-216mm (F3.2-5.9) lens
- 185g - 102 x 64 x 32mm
- Launched February 2009
(Full Review)
- 10MP - 1/2.9" Sensor
- 2.7" Fixed Screen
- ISO 80 - 1600
- 1280 x 720 video
- 29-87mm (F) lens
- 185g - 105 x 65 x 42mm
- Released June 2013
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Here, we will be comparing the Canon A2100 IS vs Nikon S31, one being a Small Sensor Compact and the latter is a Waterproof by companies Canon and Nikon. The sensor resolution of the A2100 IS (12MP) and the S31 (10MP) is relatively well matched but the A2100 IS (1/2.3") and S31 (1/2.9") boast totally different sensor dimensions.
Pentax 17 Pre-Orders Outperform Expectations by a LandslideThe A2100 IS was introduced 5 years prior to the S31 and that is quite a large gap as far as tech is concerned. Both cameras feature the same body design (Compact).
Before we go into a thorough comparison, here is a quick summary of how the A2100 IS grades versus the S31 in regards to portability, imaging, features and an overall grade.
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Below is a preview of the gallery photos for Canon PowerShot A2100 IS and Nikon Coolpix S31. The whole galleries are provided at Canon A2100 IS Gallery and Nikon S31 Gallery.
Reasons to pick Canon A2100 IS over the Nikon S31
| A2100 IS | S31 | |||
|---|---|---|---|---|
| Screen size | 3" | 2.7" | Bigger screen (+0.3") |
Reasons to pick Nikon S31 over the Canon A2100 IS
| S31 | A2100 IS | |||
|---|---|---|---|---|
| Released | June 2013 | February 2009 | More recent by 52 months |
Common features in the Canon A2100 IS and Nikon S31
| A2100 IS | S31 | |||
|---|---|---|---|---|
| Manual focus | Lack of manual focusing | |||
| Screen type | Fixed | Fixed | Fixed screen | |
| Screen resolution | 230k | 230k | The same screen resolution | |
| Selfie screen | Neither contains selfie screen | |||
| Touch screen | Neither contains Touch screen |
Canon A2100 IS vs Nikon S31 Physical Comparison
If you're aiming to lug around your camera often, you will want to consider its weight and dimensions. The Canon A2100 IS has got exterior dimensions of 102mm x 64mm x 32mm (4.0" x 2.5" x 1.3") accompanied by a weight of 185 grams (0.41 lbs) while the Nikon S31 has dimensions of 105mm x 65mm x 42mm (4.1" x 2.6" x 1.7") having a weight of 185 grams (0.41 lbs).
Check the Canon A2100 IS vs Nikon S31 in the latest Camera with Lens Size Comparison Tool.
Bear in mind, the weight of an Interchangeable Lens Camera will change dependant on the lens you are using during that time. The following is a front view dimension comparison of the A2100 IS compared to the S31.

Factoring in size and weight, the portability score of the A2100 IS and S31 is 92 and 90 respectively.
Canon A2100 IS vs Nikon S31 Sensor Comparison
Oftentimes, its hard to envision the contrast between sensor measurements purely by reading through specifications. The photograph below will help offer you a clearer sense of the sensor dimensions in the A2100 IS and S31.
Plainly, each of these cameras feature different megapixel count and different sensor measurements. The A2100 IS with its bigger sensor will make getting bokeh easier and the Canon A2100 IS will resolve greater detail using its extra 2 Megapixels. Higher resolution will let you crop pictures way more aggressively. The older A2100 IS is going to be behind when it comes to sensor tech.
Canon A2100 IS vs Nikon S31 Screen and ViewFinder
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Canon A2100 IS vs Nikon S31 Specifications
| Canon PowerShot A2100 IS | Nikon Coolpix S31 | |
|---|---|---|
| General Information | ||
| Manufacturer | Canon | Nikon |
| Model type | Canon PowerShot A2100 IS | Nikon Coolpix S31 |
| Type | Small Sensor Compact | Waterproof |
| Launched | 2009-02-18 | 2013-06-21 |
| Body design | Compact | Compact |
| Sensor Information | ||
| Sensor type | CCD | CCD |
| Sensor size | 1/2.3" | 1/2.9" |
| Sensor measurements | 6.17 x 4.55mm | 4.96 x 3.72mm |
| Sensor area | 28.1mm² | 18.5mm² |
| Sensor resolution | 12MP | 10MP |
| Anti alias filter | ||
| Aspect ratio | 4:3 and 16:9 | - |
| Peak resolution | 4000 x 3000 | 3648 x 2736 |
| Highest native ISO | 1600 | 1600 |
| Min native ISO | 80 | 80 |
| RAW pictures | ||
| Autofocusing | ||
| Manual focusing | ||
| Touch to focus | ||
| AF continuous | ||
| Single AF | ||
| Tracking AF | ||
| Selective AF | ||
| Center weighted AF | ||
| Multi area AF | ||
| AF live view | ||
| Face detect AF | ||
| Contract detect AF | ||
| Phase detect AF | ||
| Total focus points | 9 | - |
| Cross type focus points | - | - |
| Lens | ||
| Lens mount type | fixed lens | fixed lens |
| Lens zoom range | 36-216mm (6.0x) | 29-87mm (3.0x) |
| Maximal aperture | f/3.2-5.9 | - |
| Macro focusing distance | 1cm | - |
| Crop factor | 5.8 | 7.3 |
| Screen | ||
| Range of display | Fixed Type | Fixed Type |
| Display sizing | 3 inch | 2.7 inch |
| Display resolution | 230 thousand dot | 230 thousand dot |
| Selfie friendly | ||
| Liveview | ||
| Touch operation | ||
| Viewfinder Information | ||
| Viewfinder type | None | None |
| Features | ||
| Min shutter speed | 15 seconds | 4 seconds |
| Max shutter speed | 1/1600 seconds | 1/2000 seconds |
| Continuous shutter speed | 1.0fps | - |
| Shutter priority | ||
| Aperture priority | ||
| Expose Manually | ||
| Change WB | ||
| Image stabilization | ||
| Built-in flash | ||
| Flash distance | 3.50 m | - |
| Flash options | Auto, Fill-in, Red-Eye reduction, Slow Sync, Off | - |
| External flash | ||
| AE bracketing | ||
| WB bracketing | ||
| Exposure | ||
| Multisegment | ||
| Average | ||
| Spot | ||
| Partial | ||
| AF area | ||
| Center weighted | ||
| Video features | ||
| Supported video resolutions | 640 x 480 (30 fps), 320 x 240 (30 fps) | 1280 x 720 |
| Highest video resolution | 640x480 | 1280x720 |
| Video file format | Motion JPEG | - |
| Microphone input | ||
| Headphone input | ||
| Connectivity | ||
| Wireless | None | 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 | 185 grams (0.41 lb) | 185 grams (0.41 lb) |
| Physical dimensions | 102 x 64 x 32mm (4.0" x 2.5" x 1.3") | 105 x 65 x 42mm (4.1" x 2.6" x 1.7") |
| DXO scores | ||
| DXO Overall 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 pictures |
| Battery format | - | Battery Pack |
| Battery ID | 2 x AA | EN-EL12 |
| Self timer | Yes (2, 10, Custom, Face) | - |
| Time lapse feature | ||
| Storage media | SD/SDHC/MMC/MMCplus/HD MMCplus | SD / SDHC/SDXC |
| Storage slots | Single | Single |
| Cost at release | $220 | $90 |