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Sigma DP1x vs Sony A57

Portability
88
Imaging
44
Features
27
Overall
37
Sigma DP1x front
 
Sony SLT-A57 front
Portability
64
Imaging
57
Features
85
Overall
68

Sigma DP1x vs Sony A57 Key Specs

Sigma DP1x
(Full Review)
  • 5MP - APS-C Sensor
  • 2.5" Fixed Screen
  • ISO 100 - 3200
  • 320 x 240 video
  • 28mm (F4.0) lens
  • 250g - 113 x 60 x 50mm
  • Revealed February 2010
  • Old Model is Sigma DP1s
Sony A57
(Full Review)
  • 16MP - APS-C Sensor
  • 3" Fully Articulated Display
  • ISO 100 - 16000 (Push to 25600)
  • Sensor based Image Stabilization
  • 1920 x 1080 video
  • Sony/Minolta Alpha Mount
  • 618g - 132 x 98 x 81mm
  • Introduced September 2012
  • Superseded the Sony A55
  • New Model is Sony A58
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Sigma DP1x vs Sony A57 Overview

Let's look more closely at the Sigma DP1x and Sony A57, former is a Large Sensor Compact while the other is a Entry-Level DSLR by competitors Sigma and Sony. There exists a noticeable gap among the resolutions of the DP1x (5MP) and A57 (16MP) but they feature the exact same sensor dimensions (APS-C).

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The DP1x was manufactured 3 years prior to the A57 which is a fairly sizable difference as far as camera technology is concerned. Both the cameras come with different body type with the Sigma DP1x being a Large Sensor Compact camera and the Sony A57 being a Compact SLR camera.

Before going straight into a in depth comparison, below is a brief synopsis of how the DP1x matches up against the A57 in the way of portability, imaging, features and an overall score.

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Reasons to pick Sigma DP1x over the Sony A57

 DP1x A57 

Reasons to pick Sony A57 over the Sigma DP1x

 A57 DP1x 
IntroducedSeptember 2012February 2010More modern by 31 months
Display typeFully ArticulatedFixed Fully Articulating display
Display dimension3"2.5"Larger display (+0.5")
Display resolution921k230kSharper display (+691k dot)
Selfie screen Easy selfies

Common features in the Sigma DP1x and Sony A57

 DP1x A57 
Manually focus Dial precise focusing
Touch friendly display Missing Touch friendly display

Sigma DP1x vs Sony A57 Physical Comparison

For those who are aiming to carry around your camera regularly, you will want to factor in its weight and size. The Sigma DP1x has got exterior measurements of 113mm x 60mm x 50mm (4.4" x 2.4" x 2.0") having a weight of 250 grams (0.55 lbs) whilst the Sony A57 has specifications of 132mm x 98mm x 81mm (5.2" x 3.9" x 3.2") along with a weight of 618 grams (1.36 lbs).

Check out the Sigma DP1x and Sony A57 in our newest Camera plus Lens Size Comparison Tool. Camera Size Comparison with Lenses

Do not forget, the weight of an ILC will vary dependant on the lens you choose at the time. Below is the front view proportions comparison of the DP1x vs the A57.

Sigma DP1x vs Sony A57 size comparison

Considering dimensions and weight, the portability rating of the DP1x and A57 is 88 and 64 respectively.

Sigma DP1x vs Sony A57 top view buttons comparison

Sigma DP1x vs Sony A57 Sensor Comparison

Normally, its hard to visualize the contrast in sensor sizes only by going through a spec sheet. The image below might offer you a clearer sense of the sensor sizing in the DP1x and A57.

Clearly, the 2 cameras posses the exact same sensor measurements but different MP. You can expect to see the Sony A57 to show greater detail due to its extra 11 Megapixels. Greater resolution will make it easier to crop images somewhat more aggressively. The more aged DP1x will be disadvantaged with regard to sensor tech.

Sigma DP1x vs Sony A57 sensor size comparison

Sigma DP1x vs Sony A57 Screen and ViewFinder

Sigma DP1x vs Sony A57 Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Sigma DP1x as a Portrait photography camera
Sony A57 as a Portrait photography camera
56
manual focus
sensor size is good (APS-C)
exports RAW formats
low MP (5MP)
74
has manual focus
decent sensor resolution (16MP)
sensor size is decent (APS-C)
features face detect autofocus
saves RAW files
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Street Comparison

Sigma DP1x Street photography advice
Sony A57 Street photography advice
68
sensor size is good (APS-C)
exports RAW formats
lighter than competition (250 grams)
no moving screen
no image stabilization
75
fully articulated screen
image stabilization (Sensor based)
sensor size is decent (APS-C)
saves RAW files
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Sports Comparison

Sports photography with Sigma DP1x
Sports photography with Sony A57
32
sensor size is good (APS-C)
can't change focal length (28mm)
no image stabilization
low MP (5 megapixels)
has no phase detect auto focus
78
image stabilization (Sensor based)
decent sensor resolution (16MP)
sensor size is decent (APS-C)
features tracking focus
comes with phase detect autofocus
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Travel Comparison

Travel photography with Sigma DP1x
Travel photography with Sony A57
57
lighter than competition (250g)
built-in flash
no Time Lapse mode
low MP (5 megapixels)
doesn't posses selfie friendly screen
slow maximum aperture (f4.0)
67
decent sensor resolution (16 megapixels)
has built in flash
screen is selfie friendly
no Timelapse mode
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Landscape Comparison

Sigma DP1x Landscape photography advice
Sony A57 Landscape photography advice
41
manual focus
sensor size is good (APS-C)
exports RAW formats
fixed lens (fixed lens mount)
can't change focal length (28mm)
slow maximum aperture (f4.0)
screen is small (2.5")
no image stabilization
low MP (5MP)
no Time Lapse mode
72
has manual focus
change lenses (Sony/Minolta Alpha mount)
nice screen size (3 inches)
image stabilization (Sensor based)
decent sensor resolution (16 megapixels)
sensor size is decent (APS-C)
saves RAW files
no Timelapse mode
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Vlogging Comparison

Sigma DP1x Vlogging information
Sony A57 Vlogging information
25
lighter than competition (250g)
slow maximum aperture (f4.0)
doesn't posses selfie friendly screen
no image stabilization
low video resolution (320 x 240 pxls)
no mic support
77
screen is selfie friendly
image stabilization (Sensor based)
features face detect autofocus
high res video (1920 x 1080 pixels)
does have microphone support
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Sigma DP1x vs Sony A57 Specifications

Detailed spec comparison table for Sigma DP1x and Sony A57
 Sigma DP1xSony SLT-A57
General Information
Manufacturer Sigma Sony
Model Sigma DP1x Sony SLT-A57
Category Large Sensor Compact Entry-Level DSLR
Revealed 2010-02-20 2012-09-13
Physical type Large Sensor Compact Compact SLR
Sensor Information
Processor True II -
Sensor type CMOS (Foveon X3) CMOS
Sensor size APS-C APS-C
Sensor measurements 20.7 x 13.8mm 23.5 x 15.6mm
Sensor surface area 285.7mm² 366.6mm²
Sensor resolution 5 megapixels 16 megapixels
Anti aliasing filter
Aspect ratio 3:2 3:2 and 16:9
Highest resolution 2640 x 1760 4912 x 3264
Highest native ISO 3200 16000
Highest boosted ISO - 25600
Min native ISO 100 100
RAW files
Autofocusing
Focus manually
Touch to focus
Continuous autofocus
Autofocus single
Autofocus tracking
Selective autofocus
Center weighted autofocus
Autofocus multi area
Autofocus live view
Face detection focus
Contract detection focus
Phase detection focus
Number of focus points - 15
Cross focus points - 3
Lens
Lens mounting type fixed lens Sony/Minolta Alpha
Lens focal range 28mm (1x) -
Largest aperture f/4.0 -
Available lenses - 143
Crop factor 1.7 1.5
Screen
Screen type Fixed Type Fully Articulated
Screen size 2.5 inch 3 inch
Resolution of screen 230k dots 921k dots
Selfie friendly
Liveview
Touch function
Screen tech - Xtra Fine TFT drive with TruBlack technology
Viewfinder Information
Viewfinder type None Electronic
Viewfinder resolution - 1,440k dots
Viewfinder coverage - 100 percent
Viewfinder magnification - 0.7x
Features
Slowest shutter speed 30 seconds 30 seconds
Maximum shutter speed 1/4000 seconds 1/4000 seconds
Continuous shooting rate - 12.0fps
Shutter priority
Aperture priority
Manually set exposure
Exposure compensation Yes Yes
Set white balance
Image stabilization
Inbuilt flash
Flash range - 10.00 m (@ ISO 100)
Flash options - Auto, On, Off, Red-Eye, Slow Sync, High Speed Sync, Rear Curtain, Fill-in, Wireless
External flash
AEB
WB bracketing
Maximum flash synchronize - 1/160 seconds
Exposure
Multisegment metering
Average metering
Spot metering
Partial metering
AF area metering
Center weighted metering
Video features
Video resolutions 320 x 240 1920 x 1080 (60p, 24p), 1440 x 1080 (30p), 640 x 480 (30 fps)
Highest video resolution 320x240 1920x1080
Video data format - MPEG-4, AVCHD, H.264
Microphone support
Headphone support
Connectivity
Wireless None Eye-Fi Connected
Bluetooth
NFC
HDMI
USB USB 1.0 (1.5 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 250 gr (0.55 pounds) 618 gr (1.36 pounds)
Dimensions 113 x 60 x 50mm (4.4" x 2.4" x 2.0") 132 x 98 x 81mm (5.2" x 3.9" x 3.2")
DXO scores
DXO All around score not tested 75
DXO Color Depth score not tested 23.4
DXO Dynamic range score not tested 13.0
DXO Low light score not tested 785
Other
Battery life - 550 pictures
Style of battery - Battery Pack
Battery model - NP-FM500H
Self timer Yes (10 sec) Yes (2 or 10 sec)
Time lapse feature
Type of storage SD/MMC card SD/SDHC/SDXC/Memory Stick Pro Duo/ Pro-HG Duo
Card slots One One
Price at launch $574 $1,000