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Sigma SD15 vs Sony W320

Portability
59
Imaging
44
Features
45
Overall
44
Sigma SD15 front
 
Sony Cyber-shot DSC-W320 front
Portability
97
Imaging
36
Features
21
Overall
30

Sigma SD15 vs Sony W320 Key Specs

Sigma SD15
(Full Review)
  • 5MP - APS-C Sensor
  • 3" Fixed Screen
  • ISO 100 - 1600 (Boost to 3200)
  • No Video
  • Sigma SA Mount
  • 750g - 144 x 107 x 81mm
  • Released February 2010
  • Replaced the Sigma SD14
Sony W320
(Full Review)
  • 14MP - 1/2.3" Sensor
  • 2.7" Fixed Display
  • ISO 80 - 3200
  • 640 x 480 video
  • 26-105mm (F2.7-5.7) lens
  • 117g - 93 x 52 x 17mm
  • Launched January 2010
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Sigma SD15 vs Sony W320 Overview

Its time to look more in depth at the Sigma SD15 versus Sony W320, former is a Advanced DSLR while the other is a Ultracompact by companies Sigma and Sony. There is a large difference among the sensor resolutions of the SD15 (5MP) and W320 (14MP) and the SD15 (APS-C) and W320 (1/2.3") have different sensor sizes.

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The SD15 was brought out 2 months after the W320 and they are of a similar age. Both the cameras feature different body design with the Sigma SD15 being a Mid-size SLR camera and the Sony W320 being a Ultracompact camera.

Before we go right into a comprehensive comparison, here is a simple highlight of how the SD15 scores against the W320 in relation to portability, imaging, features and an overall score.

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Reasons to pick Sigma SD15 over the Sony W320

 SD15 W320 
Focus manually Dial exact focusing
Display size3"2.7"Larger display (+0.3")
Display resolution460k230kSharper display (+230k dot)

Reasons to pick Sony W320 over the Sigma SD15

 W320 SD15 

Common features in the Sigma SD15 and Sony W320

 SD15 W320 
LaunchedFebruary 2010January 2010Same age
Display typeFixed Fixed Fixed display
Selfie screen Lack of selfie screen
Touch display Lack of Touch display

Sigma SD15 vs Sony W320 Physical Comparison

For anyone who is planning to carry around your camera frequently, you will want to think about its weight and dimensions. The Sigma SD15 comes with outer measurements of 144mm x 107mm x 81mm (5.7" x 4.2" x 3.2") and a weight of 750 grams (1.65 lbs) while the Sony W320 has dimensions of 93mm x 52mm x 17mm (3.7" x 2.0" x 0.7") along with a weight of 117 grams (0.26 lbs).

Analyze the Sigma SD15 versus Sony W320 in our brand new Camera & Lens Size Comparison Tool. Camera Size Comparison with Lenses

Always remember, the weight of an ILC will differ depending on the lens you are utilizing during that time. Underneath is a front view dimensions comparison of the SD15 versus the W320.

Sigma SD15 vs Sony W320 size comparison

Factoring in size and weight, the portability grade of the SD15 and W320 is 59 and 97 respectively.

Sigma SD15 vs Sony W320 top view buttons comparison

Sigma SD15 vs Sony W320 Sensor Comparison

Usually, it is difficult to picture the gap in sensor sizes only by seeing specifications. The pic underneath will help give you a far better sense of the sensor sizing in the SD15 and W320.

To sum up, the 2 cameras come with different megapixels and different sensor sizes. The SD15 because of its larger sensor is going to make shooting shallower DOF easier and the Sony W320 will show greater detail having its extra 9 Megapixels. Greater resolution will also help you crop photos a good deal more aggressively.

Sigma SD15 vs Sony W320 sensor size comparison

Sigma SD15 vs Sony W320 Screen and ViewFinder

Sigma SD15 vs Sony W320 Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Sigma SD15 Portrait photography information
Sony W320 Portrait photography information
50
you can focus manually
nice sensor size (APS-C)
supports RAW files
does not have liveview
low resolution (5 megapixels)
28
MP count decent (14 megapixels)
lack of manual focus
manual exposure not possible
external flash not possible
sensor size is very small (1/2.3")
does not have RAW support
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Street Comparison

Sigma SD15 as a Street photography camera
Sony W320 as a Street photography camera
52
nice sensor size (APS-C)
supports RAW files
screen does not articulate
no image stabilization
48
no moving screen
does not have image stabilization
sensor size is very small (1/2.3")
does not have RAW support
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Sports Comparison

Sigma SD15 Sports photography info
Sony W320 Sports photography info
38
nice sensor size (APS-C)
has phase detect auto focus
does not have liveview
slow fps (3.0 frames/s)
no image stabilization
low resolution (5 megapixels)
26
MP count decent (14 megapixels)
slow frames per second (1.0 frames/s)
lack of shutter priority mode
does not have image stabilization
sensor size is very small (1/2.3")
does not have phase detect auto focus
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Travel Comparison

Sigma SD15 Travel photography factors
Sony W320 Travel photography factors
42
built-in flash
doesn't have Timelapse function
low resolution (5MP)
display isn't selfie friendly
66
MP count decent (14 megapixels)
flash built-in
pretty wide (26mm)
no Time Lapse mode
screen is not selfie friendly
sluggish max aperture (f2.7)
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Landscape Comparison

Sigma SD15 as a Landscape photography camera
Sony W320 as a Landscape photography camera
51
you can focus manually
switch lenses (Sigma SA mount)
good sized screen (3 inches)
nice sensor size (APS-C)
supports RAW files
does not have liveview
no image stabilization
low resolution (5MP)
doesn't have Timelapse function
33
pretty wide (26mm)
MP count decent (14MP)
lack of manual focus
can't swap lenses (fixed lens mount)
sluggish max aperture (f2.7)
tiny screen (2.7 inch)
manual exposure not possible
does not have image stabilization
sensor size is very small (1/2.3")
does not have RAW support
no Time Lapse mode
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Vlogging Comparison

Sigma SD15 as a Vlogging camera
Sony W320 as a Vlogging camera
9
can't record video
26
pretty wide (26mm)
sluggish max aperture (f2.7)
screen is not selfie friendly
does not have image stabilization
low res video (640 x 480 pixels)
no external mic jack
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Sigma SD15 vs Sony W320 Specifications

Detailed spec comparison table for Sigma SD15 and Sony W320
 Sigma SD15Sony Cyber-shot DSC-W320
General Information
Brand Name Sigma Sony
Model type Sigma SD15 Sony Cyber-shot DSC-W320
Type Advanced DSLR Ultracompact
Released 2010-02-20 2010-01-07
Body design Mid-size SLR Ultracompact
Sensor Information
Powered by True II -
Sensor type CMOS (Foveon X3) CCD
Sensor size APS-C 1/2.3"
Sensor dimensions 20.7 x 13.8mm 6.17 x 4.55mm
Sensor surface area 285.7mm² 28.1mm²
Sensor resolution 5MP 14MP
Anti alias filter
Aspect ratio 3:2 4:3 and 16:9
Maximum resolution 2640 x 1760 4320 x 3240
Maximum native ISO 1600 3200
Maximum boosted ISO 3200 -
Min native ISO 100 80
RAW data
Min boosted ISO 50 -
Autofocusing
Focus manually
Autofocus touch
Continuous autofocus
Autofocus single
Autofocus tracking
Autofocus selectice
Autofocus center weighted
Autofocus multi area
Live view autofocus
Face detection autofocus
Contract detection autofocus
Phase detection autofocus
Total focus points - 9
Lens
Lens mount type Sigma SA fixed lens
Lens zoom range - 26-105mm (4.0x)
Maximum aperture - f/2.7-5.7
Macro focusing distance - 4cm
Number of lenses 76 -
Focal length multiplier 1.7 5.8
Screen
Screen type Fixed Type Fixed Type
Screen diagonal 3 inches 2.7 inches
Resolution of screen 460k dot 230k dot
Selfie friendly
Liveview
Touch function
Viewfinder Information
Viewfinder Optical (pentaprism) None
Viewfinder coverage 96 percent -
Viewfinder magnification 0.6x -
Features
Slowest shutter speed 30 secs 1 secs
Maximum shutter speed 1/4000 secs 1/1600 secs
Continuous shooting speed 3.0fps 1.0fps
Shutter priority
Aperture priority
Manually set exposure
Exposure compensation Yes -
Change white balance
Image stabilization
Inbuilt flash
Flash distance - 4.80 m
Flash modes - Auto, On, Off, Slow syncro
External flash
Auto exposure bracketing
WB bracketing
Maximum flash sync 1/180 secs -
Exposure
Multisegment
Average
Spot
Partial
AF area
Center weighted
Video features
Video resolutions - 640 x 480 (30 fps), 320 x 240 (30 fps)
Maximum video resolution None 640x480
Video format - Motion JPEG
Mic 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
Environmental seal
Water proofing
Dust proofing
Shock proofing
Crush proofing
Freeze proofing
Weight 750g (1.65 lbs) 117g (0.26 lbs)
Physical dimensions 144 x 107 x 81mm (5.7" x 4.2" x 3.2") 93 x 52 x 17mm (3.7" x 2.0" x 0.7")
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 ID - NP-BN1
Self timer Yes (10 sec) Yes (2 sec or 10 sec)
Time lapse feature
Type of storage SD/SDHC card SD/SDHC, Memory Stick Duo / Pro Duo / Pro HG-Duo, Internal
Storage slots One One
Launch pricing $1,500 $269