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Sigma DP1x vs Sony A77

Portability
88
Imaging
44
Features
27
Overall
37
Sigma DP1x front
 
Sony SLT-A77 front
Portability
59
Imaging
63
Features
83
Overall
71

Sigma DP1x vs Sony A77 Key Specs

Sigma DP1x
(Full Review)
  • 5MP - APS-C Sensor
  • 2.5" Fixed Display
  • ISO 100 - 3200
  • 320 x 240 video
  • 28mm (F4.0) lens
  • 250g - 113 x 60 x 50mm
  • Launched February 2010
  • Older Model is Sigma DP1s
Sony A77
(Full Review)
  • 24MP - APS-C Sensor
  • 3" Fully Articulated Display
  • ISO 50 - 16000 (Bump to 25600)
  • Sensor based Image Stabilization
  • 1/8000s Maximum Shutter
  • 1920 x 1080 video
  • Sony/Minolta Alpha Mount
  • 732g - 143 x 104 x 81mm
  • Introduced October 2011
  • Old Model is Sony A700
  • Successor is Sony A77 II
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Sigma DP1x vs Sony A77 Overview

In this article, we are comparing the Sigma DP1x versus Sony A77, former is a Large Sensor Compact while the other is a Advanced DSLR by rivals Sigma and Sony. There exists a considerable gap among the resolutions of the DP1x (5MP) and A77 (24MP) but they enjoy the same exact sensor sizes (APS-C).

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The DP1x was introduced 20 months earlier than the A77 making the cameras a generation away from one another. Both of the cameras offer different body type with the Sigma DP1x being a Large Sensor Compact camera and the Sony A77 being a Mid-size SLR camera.

Before delving straight into a full comparison, below is a quick introduction of how the DP1x matches up against the A77 in terms of portability, imaging, features and an overall score.

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Reasons to pick Sigma DP1x over the Sony A77

 DP1x A77 

Reasons to pick Sony A77 over the Sigma DP1x

 A77 DP1x 
IntroducedOctober 2011February 2010More modern by 20 months
Display typeFully ArticulatedFixed Fully Articulating display
Display sizing3"2.5"Larger display (+0.5")
Display resolution921k230kCrisper display (+691k dot)
Selfie screen Easy selfies

Common features in the Sigma DP1x and Sony A77

 DP1x A77 
Manual focus Very precise focus
Touch display Absent Touch display

Sigma DP1x vs Sony A77 Physical Comparison

For anyone who is intending to carry around your camera, you're going to have to consider its weight and measurements. The Sigma DP1x comes with external dimensions of 113mm x 60mm x 50mm (4.4" x 2.4" x 2.0") accompanied by a weight of 250 grams (0.55 lbs) whilst the Sony A77 has proportions of 143mm x 104mm x 81mm (5.6" x 4.1" x 3.2") with a weight of 732 grams (1.61 lbs).

Contrast the Sigma DP1x versus Sony A77 in our brand new Camera & Lens Size Comparison Tool. Camera Size Comparison with Lenses

Don't forget, the weight of an ILC will vary depending on the lens you are utilising at that time. Underneath is the front view over all size comparison of the DP1x compared to the A77.

Sigma DP1x vs Sony A77 size comparison

Considering dimensions and weight, the portability rating of the DP1x and A77 is 88 and 59 respectively.

Sigma DP1x vs Sony A77 top view buttons comparison

Sigma DP1x vs Sony A77 Sensor Comparison

Normally, it can be tough to picture the gap in sensor sizes only by looking through technical specs. The image below should provide you a far better sense of the sensor sizes in the DP1x and A77.

As you can tell, the two cameras enjoy the same exact sensor sizing but different megapixels. You can expect to see the Sony A77 to result in more detail using its extra 19MP. Greater resolution will also let you crop photos far more aggressively. The more aged DP1x will be behind in sensor innovation.

Sigma DP1x vs Sony A77 sensor size comparison

Sigma DP1x vs Sony A77 Screen and ViewFinder

Sigma DP1x vs Sony A77 Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Sigma DP1x Portrait photography highlights
Sony A77 Portrait photography highlights
56
you can focus manually
decent sensor size (APS-C)
saves RAW files
resolution not great (5 megapixels)
77
you can focus manually
good megapixels (24 megapixels)
good sensor size (APS-C)
features face detection autofocus
delivers RAW formats
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Street Comparison

Sigma DP1x Street photography information
Sony A77 Street photography information
68
decent sensor size (APS-C)
saves RAW files
lighter than competition (250 grams)
screen does not articulate
lack of image stabilization
74
screen articulates
built in image stabilization (Sensor based)
good sensor size (APS-C)
delivers RAW formats
weather proofing
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Sports Comparison

Sigma DP1x as a Sports photography camera
Sony A77 as a Sports photography camera
32
decent sensor size (APS-C)
can't change focal length (28mm)
lack of image stabilization
resolution not great (5 megapixels)
no phase detect auto focus
74
maximum shutter speed is high (1/8,000 seconds)
built in image stabilization (Sensor based)
good megapixels (24 megapixels)
good sensor size (APS-C)
weather proofing
supports phase detect autofocus
low battery life (470 per charge)
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Travel Comparison

Sigma DP1x Travel photography highlights
Sony A77 Travel photography highlights
57
lighter than competition (250 grams)
built-in flash
no Timelapse mode
resolution not great (5 megapixels)
display isn't selfie friendly
slow maximum aperture (f4.0)
62
weather proofing
good megapixels (24MP)
built-in flash
selfie friendly screen
missing Time Lapse recording
low battery life (470 per charge)
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Landscape Comparison

Sigma DP1x Landscape photography information
Sony A77 Landscape photography information
41
you can focus manually
decent sensor size (APS-C)
saves RAW files
lens is fixed (fixed lens mount)
can't change focal length (28mm)
slow maximum aperture (f4.0)
small screen (2.5 inch)
lack of image stabilization
resolution not great (5MP)
no Timelapse mode
71
you can focus manually
switch lenses (Sony/Minolta Alpha mount)
screen size is good (3")
built in image stabilization (Sensor based)
good megapixels (24MP)
good sensor size (APS-C)
delivers RAW formats
weather proofing
low battery life (470 shots)
missing Time Lapse recording
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Vlogging Comparison

Sigma DP1x Vlogging advice
Sony A77 Vlogging advice
25
lighter than competition (250 grams)
slow maximum aperture (f4.0)
display isn't selfie friendly
lack of image stabilization
low quality video (320 x 240 resolution)
no external microphone port
76
selfie friendly screen
built in image stabilization (Sensor based)
features face detection autofocus
video resolution high (1920 x 1080 pxls)
comes with external mic port
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Sigma DP1x vs Sony A77 Specifications

Detailed spec comparison table for Sigma DP1x and Sony A77
 Sigma DP1xSony SLT-A77
General Information
Make Sigma Sony
Model type Sigma DP1x Sony SLT-A77
Category Large Sensor Compact Advanced DSLR
Launched 2010-02-20 2011-10-25
Body design Large Sensor Compact Mid-size SLR
Sensor Information
Powered by True II Bionz
Sensor type CMOS (Foveon X3) CMOS
Sensor size APS-C APS-C
Sensor dimensions 20.7 x 13.8mm 23.5 x 15.6mm
Sensor area 285.7mm² 366.6mm²
Sensor resolution 5MP 24MP
Anti alias filter
Aspect ratio 3:2 3:2 and 16:9
Peak resolution 2640 x 1760 6000 x 4000
Highest native ISO 3200 16000
Highest enhanced ISO - 25600
Minimum native ISO 100 50
RAW support
Autofocusing
Manual focusing
AF touch
AF continuous
AF single
Tracking AF
Selective AF
AF center weighted
Multi area AF
AF live view
Face detect focusing
Contract detect focusing
Phase detect focusing
Total focus points - 19
Cross type focus points - 11
Lens
Lens support fixed lens Sony/Minolta Alpha
Lens zoom range 28mm (1x) -
Largest aperture f/4.0 -
Number of lenses - 143
Crop factor 1.7 1.5
Screen
Range of display Fixed Type Fully Articulated
Display sizing 2.5" 3"
Resolution of display 230 thousand dot 921 thousand dot
Selfie friendly
Liveview
Touch friendly
Viewfinder Information
Viewfinder type None Electronic
Viewfinder resolution - 2,359 thousand dot
Viewfinder coverage - 100%
Viewfinder magnification - 0.73x
Features
Minimum shutter speed 30 seconds 30 seconds
Fastest shutter speed 1/4000 seconds 1/8000 seconds
Continuous shutter speed - 12.0 frames per sec
Shutter priority
Aperture priority
Expose Manually
Exposure compensation Yes Yes
Change WB
Image stabilization
Inbuilt flash
Flash distance - 12.00 m
Flash modes - Auto, On, Off, Red-Eye, Slow Sync, High Speed Sync, Rear Curtain, Fill-in, Wireless
Hot shoe
AEB
WB bracketing
Fastest flash sync - 1/250 seconds
Exposure
Multisegment metering
Average metering
Spot metering
Partial metering
AF area metering
Center weighted metering
Video features
Supported video resolutions 320 x 240 1920 x 1080 (60, 24 fps), 1440 x 1080 (30fps), 640 x 424 (29.97 fps)
Highest video resolution 320x240 1920x1080
Video file format - MPEG-4, AVCHD, H.264
Mic jack
Headphone jack
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 BuiltIn
Physical
Environment seal
Water proofing
Dust proofing
Shock proofing
Crush proofing
Freeze proofing
Weight 250 grams (0.55 pounds) 732 grams (1.61 pounds)
Dimensions 113 x 60 x 50mm (4.4" x 2.4" x 2.0") 143 x 104 x 81mm (5.6" x 4.1" x 3.2")
DXO scores
DXO Overall rating not tested 78
DXO Color Depth rating not tested 24.0
DXO Dynamic range rating not tested 13.2
DXO Low light rating not tested 801
Other
Battery life - 470 photographs
Battery form - Battery Pack
Battery ID - NP-FM500H
Self timer Yes (10 sec) Yes (2 or 10 sec)
Time lapse feature
Storage media SD/MMC card SD/SDHC/SDXC/Memory Stick Pro Duo/ Pro-HG Duo
Storage slots One One
Price at release $574 $900