Sigma SD15 vs Sony W320
59 Imaging
44 Features
45 Overall
44


97 Imaging
36 Features
21 Overall
30
Sigma SD15 vs Sony W320 Key Specs
(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
(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

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.

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.

Sigma SD15 vs Sony W320 Gallery
Below is a sample of the gallery pics for Sigma SD15 & Sony Cyber-shot DSC-W320. The entire galleries are available at Sigma SD15 Gallery & Sony W320 Gallery.
Reasons to pick Sigma SD15 over the Sony W320
SD15 | W320 | |||
---|---|---|---|---|
Focus manually | ![]() | Dial exact focusing | ||
Display size | 3" | ![]() | 2.7" | Larger display (+0.3") |
Display resolution | 460k | ![]() | 230k | Sharper 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 | |||
---|---|---|---|---|
Launched | February 2010 | ![]() | January 2010 | Same age |
Display type | Fixed | ![]() | 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.
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.

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

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 Screen and ViewFinder


Photography Type Scores
Portrait Comparison

Street Comparison

Sports Comparison

Travel Comparison

Landscape Comparison

Vlogging Comparison

Sigma SD15 vs Sony W320 Specifications
Sigma SD15 | Sony 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 |