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Sigma SD15 vs Sony RX100 IV

Portability
59
Imaging
43
Features
45
Overall
43
Sigma SD15 front
 
Sony Cyber-shot DSC-RX100 IV front
Portability
89
Imaging
51
Features
79
Overall
62

Sigma SD15 vs Sony RX100 IV Key Specs

Sigma SD15
(Full Review)
  • 5MP - APS-C Sensor
  • 3" Fixed Screen
  • ISO 100 - 1600 (Bump to 3200)
  • No Video
  • Sigma SA Mount
  • 750g - 144 x 107 x 81mm
  • Launched February 2010
  • Previous Model is Sigma SD14
Sony RX100 IV
(Full Review)
  • 20MP - 1" Sensor
  • 3" Tilting Screen
  • ISO 125 - 12800 (Bump to 25600)
  • Optical Image Stabilization
  • 3840 x 2160 video
  • 24-70mm (F1.8-2.8) lens
  • 298g - 102 x 58 x 41mm
  • Announced June 2015
  • Succeeded the Sony RX100 III
  • Renewed by Sony RX100 V
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Sigma SD15 vs Sony RX100 IV Overview

On this page, we will be contrasting the Sigma SD15 versus Sony RX100 IV, former is a Advanced DSLR while the latter is a Large Sensor Compact by companies Sigma and Sony. There exists a considerable gap between the image resolutions of the SD15 (5MP) and RX100 IV (20MP) and the SD15 (APS-C) and RX100 IV (1") posses totally different sensor size.

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The SD15 was brought out 6 years prior to the RX100 IV which is quite a large difference as far as technology is concerned. Both cameras have different body design with the Sigma SD15 being a Mid-size SLR camera and the Sony RX100 IV being a Large Sensor Compact camera.

Before going right into a full comparison, here is a brief summation of how the SD15 scores against the RX100 IV with respect to portability, imaging, features and an overall mark.

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Reasons to pick Sigma SD15 over the Sony RX100 IV

 SD15 RX100 IV 

Reasons to pick Sony RX100 IV over the Sigma SD15

 RX100 IV SD15 
AnnouncedJune 2015February 2010Newer by 64 months
Screen typeTiltingFixed Tilting screen
Screen resolution1229k460kCrisper screen (+769k dot)
Selfie screen Take selfies

Common features in the Sigma SD15 and Sony RX100 IV

 SD15 RX100 IV 
Manual focus Dial accurate focusing
Screen dimensions3"3"Equal screen size
Touch friendly screen Lacking Touch friendly screen

Sigma SD15 vs Sony RX100 IV Physical Comparison

For anybody who is aiming to travel with your camera, you have to factor in its weight and dimensions. The Sigma SD15 has got external dimensions of 144mm x 107mm x 81mm (5.7" x 4.2" x 3.2") and a weight of 750 grams (1.65 lbs) whilst the Sony RX100 IV has dimensions of 102mm x 58mm x 41mm (4.0" x 2.3" x 1.6") with a weight of 298 grams (0.66 lbs).

Check out the Sigma SD15 versus Sony RX100 IV in our newest Camera plus Lens Size Comparison Tool. Camera Size Comparison with Lenses

Remember, the weight of an ILC will vary based on the lens you are utilizing at that time. Below is a front view physical size comparison of the SD15 versus the RX100 IV.

Sigma SD15 vs Sony RX100 IV size comparison

Factoring in dimensions and weight, the portability rating of the SD15 and RX100 IV is 59 and 89 respectively.

Sigma SD15 vs Sony RX100 IV top view buttons comparison

Sigma SD15 vs Sony RX100 IV Sensor Comparison

Normally, it is tough to see the contrast between sensor dimensions only by reviewing specs. The picture here should give you a greater sense of the sensor sizes in the SD15 and RX100 IV.

As you can plainly see, both of the cameras have different megapixel count and different sensor dimensions. The SD15 featuring a bigger sensor will make shooting shallower depth of field easier and the Sony RX100 IV will offer more detail having its extra 15MP. Higher resolution will help you crop pictures a bit more aggressively. The more aged SD15 is going to be behind with regard to sensor tech.

Sigma SD15 vs Sony RX100 IV sensor size comparison

Sigma SD15 vs Sony RX100 IV Screen and ViewFinder

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

Portrait Comparison

Sigma SD15 as a Portrait photography camera
Sony RX100 IV as a Portrait photography camera
49
you can focus manually
sensor size is good (APS-C)
delivers RAW files
doesn't have liveview
sensor resolution low (5 megapixels)
64
manual focus
flash sync speed is above average (1/2,000s)
megapixel count decent (20MP)
sensor size is nice (1")
has face detection focus
supports RAW files
can't use external flash
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Street Comparison

Sigma SD15 Street photography features
Sony RX100 IV Street photography features
52
sensor size is good (APS-C)
delivers RAW files
screen is fixed
no image stabilization
85
screen tilts
image stabilization (Optical)
sensor size is nice (1")
supports RAW files
lighter than competition (298 grams)
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Sports Comparison

Sigma SD15 Sports photography features
Sony RX100 IV Sports photography features
38
sensor size is good (APS-C)
supports phase detect autofocus
doesn't have liveview
continuous shooting slow (3.0 frames/s)
no image stabilization
sensor resolution low (5 megapixels)
68
silent shooting (1/32,000 seconds)
fast shooting (16.0 frames per second)
image stabilization (Optical)
megapixel count decent (20 megapixels)
sensor size is nice (1")
has tracking autofocus
doesn't have phase detect auto focus
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Travel Comparison

Travel photography with Sigma SD15
Travel photography with Sony RX100 IV
42
flash built-in
missing Time Lapse function
sensor resolution low (5 megapixels)
screen isn't selfie friendly
85
lighter than competition (298g)
megapixel count decent (20 megapixels)
flash built-in
display is selfie friendly
really wide (24mm)
fast maximum aperture (f1.8)
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Landscape Comparison

Landscape photography with Sigma SD15
Landscape photography with Sony RX100 IV
50
you can focus manually
change lenses (Sigma SA mount)
screen is a decent size (3")
sensor size is good (APS-C)
delivers RAW files
doesn't have liveview
no image stabilization
sensor resolution low (5MP)
missing Time Lapse function
73
manual focus
really wide (24mm)
fast maximum aperture (f1.8)
screen size is decent (3")
image stabilization (Optical)
megapixel count decent (20 megapixels)
sensor size is nice (1")
supports RAW files
fixed lens (fixed lens mount)
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Vlogging Comparison

Sigma SD15 Vlogging information
Sony RX100 IV Vlogging information
9
can't record video
80
really wide (24mm)
fast maximum aperture (f1.8)
display is selfie friendly
image stabilization (Optical)
has face detection focus
high res video (3840 x 2160 pxls)
lighter than competition (298g)
missing external mic socket
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Sigma SD15 vs Sony RX100 IV Specifications

Detailed spec comparison table for Sigma SD15 and Sony RX100 IV
 Sigma SD15Sony Cyber-shot DSC-RX100 IV
General Information
Brand Sigma Sony
Model Sigma SD15 Sony Cyber-shot DSC-RX100 IV
Class Advanced DSLR Large Sensor Compact
Launched 2010-02-20 2015-06-10
Physical type Mid-size SLR Large Sensor Compact
Sensor Information
Powered by True II Bionz X
Sensor type CMOS (Foveon X3) BSI-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
Highest Possible resolution 2640 x 1760 5472 x 3648
Maximum native ISO 1600 12800
Maximum enhanced ISO 3200 25600
Lowest native ISO 100 125
RAW format
Lowest enhanced ISO 50 80
Autofocusing
Focus manually
AF touch
AF continuous
AF single
AF tracking
AF selectice
AF center weighted
Multi area AF
Live view AF
Face detection focusing
Contract detection focusing
Phase detection focusing
Number of focus points - 25
Lens
Lens mount Sigma SA fixed lens
Lens focal range - 24-70mm (2.9x)
Max aperture - f/1.8-2.8
Macro focus distance - 5cm
Number of lenses 76 -
Focal length multiplier 1.7 2.7
Screen
Type of screen Fixed Type Tilting
Screen size 3" 3"
Screen resolution 460k dots 1,229k dots
Selfie friendly
Liveview
Touch screen
Viewfinder Information
Viewfinder Optical (pentaprism) Electronic
Viewfinder resolution - 2,359k dots
Viewfinder coverage 96 percent 100 percent
Viewfinder magnification 0.6x 0.59x
Features
Min shutter speed 30 secs 30 secs
Max shutter speed 1/4000 secs 1/2000 secs
Max silent shutter speed - 1/32000 secs
Continuous shutter rate 3.0fps 16.0fps
Shutter priority
Aperture priority
Manually set exposure
Exposure compensation Yes Yes
Custom WB
Image stabilization
Integrated flash
Hot shoe
AE bracketing
WB bracketing
Max flash synchronize 1/180 secs 1/2000 secs
Exposure
Multisegment metering
Average metering
Spot metering
Partial metering
AF area metering
Center weighted metering
Video features
Supported video resolutions - 3840 x 2160 (30p, 25p, 24p), 1920 x 1080 (60p/60i/24p), 1280 x 720 (60p/30p/24p/120p), 1440 x 1080 (30 fps), 640 x 480 (30 fps)
Maximum video resolution None 3840x2160
Video file format - MPEG-4, AVCHD, XAVC S
Mic port
Headphone port
Connectivity
Wireless None Built-In
Bluetooth
NFC
HDMI
USB USB 2.0 (480 Mbit/sec) USB 2.0 (480 Mbit/sec)
GPS None None
Physical
Environmental sealing
Water proof
Dust proof
Shock proof
Crush proof
Freeze proof
Weight 750 grams (1.65 lb) 298 grams (0.66 lb)
Physical dimensions 144 x 107 x 81mm (5.7" x 4.2" x 3.2") 102 x 58 x 41mm (4.0" x 2.3" x 1.6")
DXO scores
DXO Overall score not tested 70
DXO Color Depth score not tested 22.9
DXO Dynamic range score not tested 12.6
DXO Low light score not tested 562
Other
Battery life - 280 photos
Style of battery - Battery Pack
Battery model - NP-BX1
Self timer Yes (10 sec) Yes
Time lapse recording With downloadable app
Storage type SD/SDHC card SD/ SDHC/SDXC, Memory Stick Pro Duo/ Pro-HG Duo
Card slots Single Single
Cost at release $1,500 $898