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Sigma SD15 vs Sony RX100

Portability
59
Imaging
44
Features
45
Overall
44
Sigma SD15 front
 
Sony Cyber-shot DSC-RX100 front
Portability
91
Imaging
50
Features
68
Overall
57

Sigma SD15 vs Sony RX100 Key Specs

Sigma SD15
(Full Review)
  • 5MP - APS-C Sensor
  • 3" Fixed Display
  • ISO 100 - 1600 (Bump to 3200)
  • No Video
  • Sigma SA Mount
  • 750g - 144 x 107 x 81mm
  • Launched February 2010
  • Replaced the Sigma SD14
Sony RX100
(Full Review)
  • 20MP - 1" Sensor
  • 3" Fixed Screen
  • ISO 100 - 25600
  • Optical Image Stabilization
  • 1920 x 1080 video
  • 28-100mm (F1.8-4.9) lens
  • 240g - 102 x 58 x 36mm
  • Announced August 2012
  • Newer Model is Sony RX100 II
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Sigma SD15 vs Sony RX100 Overview

Let's examine more in depth at the Sigma SD15 vs Sony RX100, former being a Advanced DSLR while the latter is a Large Sensor Compact by brands Sigma and Sony. There exists a large gap among the image resolutions of the SD15 (5MP) and RX100 (20MP) and the SD15 (APS-C) and RX100 (1") possess different sensor sizes.

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The SD15 was unveiled 3 years earlier than the RX100 and that is a fairly serious difference as far as camera technology is concerned. Both cameras offer different body type with the Sigma SD15 being a Mid-size SLR camera and the Sony RX100 being a Large Sensor Compact camera.

Before diving through a full comparison, below is a quick summation of how the SD15 scores against the RX100 in the way of portability, imaging, features and an overall grade.

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Reasons to pick Sigma SD15 over the Sony RX100

 SD15 RX100 

Reasons to pick Sony RX100 over the Sigma SD15

 RX100 SD15 
AnnouncedAugust 2012February 2010More recent by 30 months
Screen resolution1229k460kClearer screen (+769k dot)

Common features in the Sigma SD15 and Sony RX100

 SD15 RX100 
Manually focus More accurate focus
Screen typeFixed Fixed Fixed screen
Screen sizing3"3"Equivalent screen dimensions
Selfie screen Neither offers selfie screen
Touch friendly screen Neither offers Touch friendly screen

Sigma SD15 vs Sony RX100 Physical Comparison

In case you're aiming to lug around your camera often, you are going to need to factor its weight and measurements. The Sigma SD15 offers physical measurements of 144mm x 107mm x 81mm (5.7" x 4.2" x 3.2") with a weight of 750 grams (1.65 lbs) whilst the Sony RX100 has proportions of 102mm x 58mm x 36mm (4.0" x 2.3" x 1.4") along with a weight of 240 grams (0.53 lbs).

Analyze the Sigma SD15 vs Sony RX100 in our newest Camera & Lens Size Comparison Tool. Camera Size Comparison with Lenses

Do not forget, the weight of an ILC will differ depending on the lens you have attached at the time. Here is the front view sizing comparison of the SD15 compared to the RX100.

Sigma SD15 vs Sony RX100 size comparison

Considering dimensions and weight, the portability score of the SD15 and RX100 is 59 and 91 respectively.

Sigma SD15 vs Sony RX100 top view buttons comparison

Sigma SD15 vs Sony RX100 Sensor Comparison

Quite often, it is tough to imagine the gap in sensor measurements purely by checking out a spec sheet. The visual below might offer you a clearer sense of the sensor measurements in the SD15 and RX100.

Clearly, both of the cameras offer different megapixels and different sensor measurements. The SD15 using its bigger sensor is going to make achieving shallow depth of field easier and the Sony RX100 will produce extra detail having an extra 15MP. Higher resolution can also let you crop shots a little more aggressively. The older SD15 will be behind with regard to sensor tech.

Sigma SD15 vs Sony RX100 sensor size comparison

Sigma SD15 vs Sony RX100 Screen and ViewFinder

Sigma SD15 vs Sony RX100 Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Sigma SD15 Portrait photography details
Sony RX100 Portrait photography details
50
you can focus manually
good sensor size (APS-C)
saves RAW formats
doesn't have liveview
megapixel count low (5 megapixels)
64
you can focus manually
above average flash sync speed (1/2,000 seconds)
MP count good (20 megapixels)
good sensor size (1")
features face detection focusing
supports RAW files
can't use external flash
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Street Comparison

Sigma SD15 Street photography info
Sony RX100 Street photography info
52
good sensor size (APS-C)
saves RAW formats
screen is fixed
does not have image stabilization
79
built in image stabilization (Optical)
good sensor size (1")
supports RAW files
lighter than competition in class (240g)
above average high ISO (25,600)
no articulating screen
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Sports Comparison

Sports photography with Sigma SD15
Sports photography with Sony RX100
38
good sensor size (APS-C)
supports phase detect auto focus
doesn't have liveview
painfully slow continuous shooting (3.0 frames/s)
does not have image stabilization
megapixel count low (5 megapixels)
65
built in image stabilization (Optical)
MP count good (20 megapixels)
good sensor size (1")
features tracking autofocus
doesn't have phase detect AF
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Travel Comparison

Sigma SD15 Travel photography highlights
Sony RX100 Travel photography highlights
42
flash built-in
lack of Timelapse recording
megapixel count low (5MP)
doesn't posses selfie friendly screen
79
lighter than competition in class (240 grams)
MP count good (20 megapixels)
has built in flash
quite wide (28mm)
fast max aperture (f1.8)
display isn't selfie friendly
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Landscape Comparison

Landscape photography with Sigma SD15
Landscape photography with Sony RX100
51
you can focus manually
change lenses (Sigma SA mount)
pretty good screen size (3 inches)
good sensor size (APS-C)
saves RAW formats
doesn't have liveview
does not have image stabilization
megapixel count low (5MP)
lack of Timelapse recording
74
you can focus manually
quite wide (28mm)
fast max aperture (f1.8)
screen size is good (3")
built in image stabilization (Optical)
MP count good (20 megapixels)
good sensor size (1")
above average high ISO (25,600)
supports RAW files
lens is fixed (fixed lens mount)
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Vlogging Comparison

Sigma SD15 as a Vlogging camera
Sony RX100 as a Vlogging camera
9
no video recording
38
quite wide (28mm)
fast max aperture (f1.8)
built in image stabilization (Optical)
features face detection focusing
high res video (1920 x 1080 pxls)
lighter than competition in class (240g)
display isn't selfie friendly
doesn't have external mic socket
Photography Glossary

Sigma SD15 vs Sony RX100 Specifications

Detailed spec comparison table for Sigma SD15 and Sony RX100
 Sigma SD15Sony Cyber-shot DSC-RX100
General Information
Brand Sigma Sony
Model Sigma SD15 Sony Cyber-shot DSC-RX100
Type Advanced DSLR Large Sensor Compact
Launched 2010-02-20 2012-08-28
Physical type Mid-size SLR Large Sensor Compact
Sensor Information
Powered by True II -
Sensor type CMOS (Foveon X3) CMOS
Sensor size APS-C 1"
Sensor dimensions 20.7 x 13.8mm 13.2 x 8.8mm
Sensor surface area 285.7mm² 116.2mm²
Sensor resolution 5 megapixel 20 megapixel
Anti aliasing filter
Aspect ratio 3:2 1:1, 4:3, 3:2 and 16:9
Peak resolution 2640 x 1760 5472 x 3648
Highest native ISO 1600 25600
Highest enhanced ISO 3200 -
Lowest native ISO 100 100
RAW pictures
Lowest enhanced ISO 50 -
Autofocusing
Focus manually
AF touch
AF continuous
AF single
Tracking AF
AF selectice
AF center weighted
Multi area AF
Live view AF
Face detect focusing
Contract detect focusing
Phase detect focusing
Number of focus points - 25
Lens
Lens mounting type Sigma SA fixed lens
Lens focal range - 28-100mm (3.6x)
Maximal aperture - f/1.8-4.9
Macro focus range - 5cm
Number of lenses 76 -
Crop factor 1.7 2.7
Screen
Type of display Fixed Type Fixed Type
Display diagonal 3" 3"
Resolution of display 460 thousand dots 1,229 thousand dots
Selfie friendly
Liveview
Touch function
Display technology - WhiteMagic TFT LCD
Viewfinder Information
Viewfinder type Optical (pentaprism) None
Viewfinder coverage 96% -
Viewfinder magnification 0.6x -
Features
Min shutter speed 30s 30s
Max shutter speed 1/4000s 1/2000s
Continuous shutter rate 3.0 frames per sec 10.0 frames per sec
Shutter priority
Aperture priority
Manual mode
Exposure compensation Yes Yes
Change WB
Image stabilization
Integrated flash
Flash settings - Auto, On, Off, Slow Sync
Hot shoe
Auto exposure bracketing
WB bracketing
Max flash synchronize 1/180s 1/2000s
Exposure
Multisegment metering
Average metering
Spot metering
Partial metering
AF area metering
Center weighted metering
Video features
Supported video resolutions - 1920 x 1080 (60 fps), 1440 x 1080 (30 fps), 1280 x 720 (30 fps), 640 x 480 (30 fps)
Highest video resolution None 1920x1080
Video file format - MPEG-4, AVCHD
Mic port
Headphone port
Connectivity
Wireless None Eye-Fi Connected
Bluetooth
NFC
HDMI
USB USB 2.0 (480 Mbit/sec) USB 2.0 (480 Mbit/sec)
GPS None None
Physical
Environment sealing
Water proof
Dust proof
Shock proof
Crush proof
Freeze proof
Weight 750 grams (1.65 pounds) 240 grams (0.53 pounds)
Dimensions 144 x 107 x 81mm (5.7" x 4.2" x 3.2") 102 x 58 x 36mm (4.0" x 2.3" x 1.4")
DXO scores
DXO Overall score not tested 66
DXO Color Depth score not tested 22.6
DXO Dynamic range score not tested 12.4
DXO Low light score not tested 390
Other
Battery life - 330 images
Battery type - Battery Pack
Battery model - NP-BX1
Self timer Yes (10 sec) Yes (2 or 10 sec, Portrait 1/2)
Time lapse feature With downloadable app
Storage type SD/SDHC card SD/SDHC/SDXC, Memory Stick Duo/Pro Duo/Pro-HG Duo
Card slots Single Single
Price at release $1,500 $448