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Canon A3100 IS vs Nikon S640

Portability
94
Imaging
34
Features
14
Overall
26
Canon PowerShot A3100 IS front
 
Nikon Coolpix S640 front
Portability
96
Imaging
34
Features
24
Overall
30

Canon A3100 IS vs Nikon S640 Key Specs

Canon A3100 IS
(Full Review)
  • 12MP - 1/2.3" Sensor
  • 2.7" Fixed Screen
  • ISO 100 - 1600
  • Optical Image Stabilization
  • 640 x 480 video
  • 35-140mm (F2.7-5.6) lens
  • 165g - 97 x 58 x 28mm
  • Introduced January 2010
Nikon S640
(Full Review)
  • 12MP - 1/2.3" Sensor
  • 2.7" Fixed Display
  • ISO 100 - 6400
  • Optical Image Stabilization
  • 1/8000s Maximum Shutter
  • 1280 x 720 video
  • 28-140mm (F2.7-6.6) lens
  • 130g - 91 x 55 x 21mm
  • Revealed August 2009
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Canon A3100 IS vs Nikon S640 Overview

Below, we are contrasting the Canon A3100 IS vs Nikon S640, both Small Sensor Compact digital cameras by competitors Canon and Nikon. The image resolution of the A3100 IS (12MP) and the S640 (12MP) is very similar and they feature the exact same sensor sizing (1/2.3").

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The A3100 IS was manufactured 6 months after the S640 so they are of a similar age. Each of these cameras come with the identical body type (Compact).

Before diving through a detailed comparison, below is a brief highlight of how the A3100 IS scores vs the S640 in regards to portability, imaging, features and an overall score.

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Reasons to pick Canon A3100 IS over the Nikon S640

 A3100 IS S640 

Reasons to pick Nikon S640 over the Canon A3100 IS

 S640 A3100 IS 

Common features in the Canon A3100 IS and Nikon S640

 A3100 IS S640 
RevealedJanuary 2010August 2009Similar age
Manually focus No manual focus
Display typeFixed Fixed Fixed display
Display dimension2.7"2.7"Identical display measurement
Display resolution230k230kSame display resolution
Selfie screen Absent selfie screen
Touch display Absent Touch display

Canon A3100 IS vs Nikon S640 Physical Comparison

For those who are aiming to carry around your camera, you will need to think about its weight and volume. The Canon A3100 IS features exterior measurements of 97mm x 58mm x 28mm (3.8" x 2.3" x 1.1") and a weight of 165 grams (0.36 lbs) and the Nikon S640 has sizing of 91mm x 55mm x 21mm (3.6" x 2.2" x 0.8") having a weight of 130 grams (0.29 lbs).

Take a look at the Canon A3100 IS vs Nikon S640 in our newest Camera plus Lens Size Comparison Tool. Camera Size Comparison with Lenses

Keep in mind, the weight of an ILC will change dependant on the lens you are utilizing during that time. Following is the front view dimensions comparison of the A3100 IS and the S640.

Canon A3100 IS vs Nikon S640 size comparison

Taking into account size and weight, the portability rating of the A3100 IS and S640 is 94 and 96 respectively.

Canon A3100 IS vs Nikon S640 top view buttons comparison

Canon A3100 IS vs Nikon S640 Sensor Comparison

Usually, it's difficult to visualise the gap between sensor sizes just by reviewing specifications. The image below may provide you a stronger sense of the sensor sizing in the A3100 IS and S640.

Plainly, both the cameras posses the exact same sensor measurements and the exact same megapixels so you can expect similar quality of photos however you may want to factor the age of the products into consideration.

Canon A3100 IS vs Nikon S640 sensor size comparison

Canon A3100 IS vs Nikon S640 Screen and ViewFinder

Canon A3100 IS vs Nikon S640 Screen and Viewfinder comparison
Photography Glossary

Photography Type Scores

Portrait Comparison

Portrait photography with Canon A3100 IS
Portrait photography with Nikon S640
20
manual focus not available
no manual control
external flash not possible
MP count low (12MP)
sensor is very small (1/2.3")
has no RAW files
20
no manual focus
no manual control
external flash not possible
low MP (12 megapixels)
very small sensor size (1/2.3")
no RAW support
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Street Comparison

Street photography with Canon A3100 IS
Street photography with Nikon S640
56
built in image stabilization (Optical)
screen does not articulate
sensor is very small (1/2.3")
has no RAW files
62
has image stabilization (Optical)
lighter than competition in class (130g)
screen is fixed
very small sensor size (1/2.3")
no RAW support
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Sports Comparison

Sports photography with Canon A3100 IS
Sports photography with Nikon S640
25
built in image stabilization (Optical)
max fps very slow (1.0 frames per second)
lack of shutter priority mode
MP count low (12 megapixels)
sensor is very small (1/2.3")
has no phase detect AF
33
max shutter speed is good (1/8,000 seconds)
has image stabilization (Optical)
no shutter priority
low MP (12 megapixels)
very small sensor size (1/2.3")
no phase detect auto focus
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Travel Comparison

Canon A3100 IS Travel photography features
Nikon S640 Travel photography features
51
built-in flash
doesn't have Time Lapse recording
MP count low (12 megapixels)
screen is not selfie friendly
wide angle not fantastic (35mm)
sluggish maximum aperture (f2.7)
62
lighter than competition in class (130 grams)
flash built-in
pretty wide (28mm)
doesn't have Timelapse mode
low MP (12 megapixels)
screen is not selfie friendly
slow maximum aperture (f2.7)
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Landscape Comparison

Canon A3100 IS Landscape photography information
Nikon S640 Landscape photography information
27
built in image stabilization (Optical)
manual focus not available
lens is fixed (fixed lens mount)
wide angle not fantastic (35mm)
sluggish maximum aperture (f2.7)
tiny screen (2.7")
no manual control
MP count low (12MP)
sensor is very small (1/2.3")
has no RAW files
doesn't have Time Lapse recording
32
pretty wide (28mm)
has image stabilization (Optical)
no manual focus
can't swap lenses (fixed lens mount)
slow maximum aperture (f2.7)
tiny screen (2.7")
no manual control
low MP (12 megapixels)
very small sensor size (1/2.3")
no RAW support
doesn't have Timelapse mode
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Vlogging Comparison

Canon A3100 IS as a Vlogging camera
Nikon S640 as a Vlogging camera
25
built in image stabilization (Optical)
wide angle not fantastic (35mm)
sluggish maximum aperture (f2.7)
screen is not selfie friendly
video resolution low (640 x 480 pxls)
doesn't have mic support
31
pretty wide (28mm)
has image stabilization (Optical)
lighter than competition in class (130 grams)
slow maximum aperture (f2.7)
screen is not selfie friendly
low video resolution (1280 x 720 pxls)
doesn't have microphone port
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Canon A3100 IS vs Nikon S640 Specifications

Detailed spec comparison table for Canon A3100 IS and Nikon S640
 Canon PowerShot A3100 ISNikon Coolpix S640
General Information
Manufacturer Canon Nikon
Model type Canon PowerShot A3100 IS Nikon Coolpix S640
Class Small Sensor Compact Small Sensor Compact
Introduced 2010-01-05 2009-08-04
Body design Compact Compact
Sensor Information
Processor - Expeed
Sensor type CCD CCD
Sensor size 1/2.3" 1/2.3"
Sensor measurements 6.17 x 4.55mm 6.08 x 4.56mm
Sensor surface area 28.1mm² 27.7mm²
Sensor resolution 12 megapixels 12 megapixels
Anti alias filter
Aspect ratio 4:3 and 16:9 4:3 and 16:9
Maximum resolution 4000 x 3000 4000 x 3000
Maximum native ISO 1600 6400
Lowest native ISO 100 100
RAW format
Autofocusing
Manual focusing
Touch to focus
Continuous autofocus
Single autofocus
Autofocus tracking
Selective autofocus
Autofocus center weighted
Autofocus multi area
Autofocus live view
Face detection autofocus
Contract detection autofocus
Phase detection autofocus
Total focus points 9 -
Lens
Lens mount type fixed lens fixed lens
Lens zoom range 35-140mm (4.0x) 28-140mm (5.0x)
Maximal aperture f/2.7-5.6 f/2.7-6.6
Macro focusing distance 3cm 2cm
Crop factor 5.8 5.9
Screen
Range of screen Fixed Type Fixed Type
Screen size 2.7 inch 2.7 inch
Screen resolution 230 thousand dot 230 thousand dot
Selfie friendly
Liveview
Touch operation
Viewfinder Information
Viewfinder type None None
Features
Slowest shutter speed 15 secs 30 secs
Maximum shutter speed 1/1600 secs 1/8000 secs
Continuous shooting speed 1.0 frames/s -
Shutter priority
Aperture priority
Expose Manually
Set white balance
Image stabilization
Built-in flash
Flash distance 3.00 m -
Flash modes Auto, On, Off, Red-Eye, Fill-in, Slow Sync -
External flash
AEB
White balance 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 (30 fps), 640 x 480 (30 fps), 320 x 240 (30 fps)
Maximum video resolution 640x480 1280x720
Video data format Motion JPEG Motion JPEG
Microphone jack
Headphone jack
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 165 grams (0.36 lbs) 130 grams (0.29 lbs)
Dimensions 97 x 58 x 28mm (3.8" x 2.3" x 1.1") 91 x 55 x 21mm (3.6" x 2.2" x 0.8")
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 ID NB-8L EN-EL12
Self timer Yes (2, 10, Custom, Face) Yes
Time lapse feature
Storage media SD/SDHC/SDXC/MMC/MMCplus/HD MMCplus SD/SDHC, Internal
Storage slots One One
Launch pricing $159 $225