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Sigma DP1x vs Sony A33

Portability
88
Imaging
44
Features
27
Overall
37
Sigma DP1x front
 
Sony SLT-A33 front
Portability
67
Imaging
54
Features
80
Overall
64

Sigma DP1x vs Sony A33 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
  • Succeeded the Sigma DP1s
Sony A33
(Full Review)
  • 14MP - APS-C Sensor
  • 3" Fully Articulated Screen
  • ISO 100 - 12800 (Increase to 25600)
  • Sensor based Image Stabilization
  • 1920 x 1080 video
  • Sony/Minolta Alpha Mount
  • 500g - 124 x 92 x 85mm
  • Announced August 2010
  • Newer Model is Sony A35
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Sigma DP1x vs Sony A33 Overview

Here, we will be evaluating the Sigma DP1x versus Sony A33, one being a Large Sensor Compact and the latter is a Entry-Level DSLR by brands Sigma and Sony. There exists a crucial gap among the sensor resolutions of the DP1x (5MP) and A33 (14MP) but both cameras have the identical sensor sizing (APS-C).

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The DP1x was unveiled 6 months earlier than the A33 so they are both of a similar generation. Both cameras feature different body design with the Sigma DP1x being a Large Sensor Compact camera and the Sony A33 being a Compact SLR camera.

Before diving right into a thorough comparison, here is a simple overview of how the DP1x matches up versus the A33 with respect to portability, imaging, features and an overall rating.

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Reasons to pick Sigma DP1x over the Sony A33

 DP1x A33 

Reasons to pick Sony A33 over the Sigma DP1x

 A33 DP1x 
Screen typeFully ArticulatedFixed Fully Articulating screen
Screen size3"2.5"Bigger screen (+0.5")
Screen resolution921k230kSharper screen (+691k dot)
Selfie screen Take selfies

Common features in the Sigma DP1x and Sony A33

 DP1x A33 
AnnouncedFebruary 2010August 2010Same generation
Focus manually Very exact focus
Touch screen Neither has Touch screen

Sigma DP1x vs Sony A33 Physical Comparison

When you are aiming to carry your camera, you will need to consider its weight and size. The Sigma DP1x has outside 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 A33 has specifications of 124mm x 92mm x 85mm (4.9" x 3.6" x 3.3") with a weight of 500 grams (1.10 lbs).

Examine the Sigma DP1x versus Sony A33 in the all new Camera with Lens Size Comparison Tool. Camera Size Comparison with Lenses

Always remember, the weight of an Interchangeable Lens Camera will change dependant on the lens you choose during that time. Underneath is a front view overall size comparison of the DP1x vs the A33.

Sigma DP1x vs Sony A33 size comparison

Taking into account dimensions and weight, the portability score of the DP1x and A33 is 88 and 67 respectively.

Sigma DP1x vs Sony A33 top view buttons comparison

Sigma DP1x vs Sony A33 Sensor Comparison

Sometimes, it is very difficult to visualize the difference in sensor sizing purely by looking through technical specs. The visual here will provide you a better sense of the sensor measurements in the DP1x and A33.

As you have seen, both cameras come with the identical sensor size albeit different megapixels. You should count on the Sony A33 to result in extra detail having an extra 9 Megapixels. Higher resolution will also help you crop pictures a good deal more aggressively.

Sigma DP1x vs Sony A33 sensor size comparison

Sigma DP1x vs Sony A33 Screen and ViewFinder

Sigma DP1x vs Sony A33 Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Sigma DP1x Portrait photography features
Sony A33 Portrait photography features
56
has manual focus
sensor size is nice (APS-C)
exports RAW formats
sensor resolution low (5MP)
72
you can focus manually
MP count good (14MP)
decent sensor size (APS-C)
includes face detect focusing
delivers RAW files
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Street Comparison

Sigma DP1x as a Street photography camera
Sony A33 as a Street photography camera
68
sensor size is nice (APS-C)
exports RAW formats
lighter than competition in class (250 grams)
no articulating screen
does not have image stabilization
76
fully articulated screen
built in image stabilization (Sensor based)
decent sensor size (APS-C)
delivers RAW files
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Sports Comparison

Sigma DP1x Sports photography advice
Sony A33 Sports photography advice
32
sensor size is nice (APS-C)
fixed focal length (28mm)
does not have image stabilization
sensor resolution low (5MP)
lack of phase detect autofocus
67
built in image stabilization (Sensor based)
MP count good (14MP)
decent sensor size (APS-C)
has phase detect AF
bad battery life (340 per charge)
Photography Glossary

Travel Comparison

Sigma DP1x Travel photography info
Sony A33 Travel photography info
57
lighter than competition in class (250 grams)
built-in flash
no Time Lapse function
sensor resolution low (5MP)
doesn't feature selfie friendly screen
slow max aperture (f4.0)
61
MP count good (14MP)
built-in flash
selfie friendly screen
missing Time Lapse function
bad battery life (340 shots)
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Landscape Comparison

Sigma DP1x Landscape photography factors
Sony A33 Landscape photography factors
41
has manual focus
sensor size is nice (APS-C)
exports RAW formats
lens is fixed (fixed lens mount)
fixed focal length (28mm)
slow max aperture (f4.0)
screen is small (2.5 inches)
does not have image stabilization
sensor resolution low (5MP)
no Time Lapse function
67
you can focus manually
switch lenses (Sony/Minolta Alpha mount)
good sized screen (3 inch)
built in image stabilization (Sensor based)
MP count good (14MP)
decent sensor size (APS-C)
delivers RAW files
bad battery life (340 CIPA)
missing Time Lapse function
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Vlogging Comparison

Sigma DP1x Vlogging highlights
Sony A33 Vlogging highlights
25
lighter than competition in class (250 grams)
slow max aperture (f4.0)
doesn't feature selfie friendly screen
does not have image stabilization
video quality not great (320 x 240 resolution)
no external mic jack
77
selfie friendly screen
built in image stabilization (Sensor based)
includes face detect focusing
high res video (1920 x 1080 pixels)
has mic socket
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Sigma DP1x vs Sony A33 Specifications

Detailed spec comparison table for Sigma DP1x and Sony A33
 Sigma DP1xSony SLT-A33
General Information
Manufacturer Sigma Sony
Model Sigma DP1x Sony SLT-A33
Type Large Sensor Compact Entry-Level DSLR
Launched 2010-02-20 2010-08-24
Physical type Large Sensor Compact Compact SLR
Sensor Information
Processor Chip 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 5 megapixels 14 megapixels
Anti aliasing filter
Aspect ratio 3:2 3:2 and 16:9
Peak resolution 2640 x 1760 4592 x 3056
Highest native ISO 3200 12800
Highest enhanced ISO - 25600
Minimum native ISO 100 100
RAW images
Autofocusing
Manual focus
Touch to focus
Continuous AF
Single AF
AF tracking
Selective AF
Center weighted AF
AF multi area
AF live view
Face detect focusing
Contract detect focusing
Phase detect focusing
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 -
Total lenses - 143
Focal length multiplier 1.7 1.5
Screen
Type of display Fixed Type Fully Articulated
Display size 2.5 inches 3 inches
Display resolution 230 thousand dots 921 thousand dots
Selfie friendly
Liveview
Touch display
Viewfinder Information
Viewfinder type None Electronic
Viewfinder resolution - 1,150 thousand dots
Viewfinder coverage - 100%
Viewfinder magnification - 0.73x
Features
Minimum shutter speed 30 secs 30 secs
Fastest shutter speed 1/4000 secs 1/4000 secs
Continuous shutter rate - 7.0 frames per second
Shutter priority
Aperture priority
Manual mode
Exposure compensation Yes Yes
Change WB
Image stabilization
Integrated flash
Flash range - 10.00 m (@ ISO 100)
Flash modes - Auto, On, Off, Red-Eye, Slow Sync, High Speed Sync, Rear Curtain, Fill-in, Wireless
External flash
Auto exposure bracketing
White balance bracketing
Fastest flash synchronize - 1/160 secs
Exposure
Multisegment
Average
Spot
Partial
AF area
Center weighted
Video features
Supported video resolutions 320 x 240 1920 x 1080 (60, 29.97 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 port
Headphone port
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
Environmental sealing
Water proof
Dust proof
Shock proof
Crush proof
Freeze proof
Weight 250g (0.55 pounds) 500g (1.10 pounds)
Physical dimensions 113 x 60 x 50mm (4.4" x 2.4" x 2.0") 124 x 92 x 85mm (4.9" x 3.6" x 3.3")
DXO scores
DXO Overall score not tested 70
DXO Color Depth score not tested 22.8
DXO Dynamic range score not tested 12.6
DXO Low light score not tested 591
Other
Battery life - 340 photos
Battery type - Battery Pack
Battery model - NP-FW50
Self timer Yes (10 sec) Yes (2 or 10 sec)
Time lapse feature
Storage type SD/MMC card SD/SDHC/SDXC/Memory Stick Pro Duo/ Pro-HG Duo
Card slots 1 1
Retail price $574 $230