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Sigma DP1x vs Sony A390

Portability
88
Imaging
44
Features
27
Overall
37
Sigma DP1x front
 
Sony Alpha DSLR-A390 front
Portability
66
Imaging
54
Features
54
Overall
54

Sigma DP1x vs Sony A390 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
  • Introduced February 2010
  • Earlier Model is Sigma DP1s
Sony A390
(Full Review)
  • 14MP - APS-C Sensor
  • 2.7" Tilting Display
  • ISO 100 - 3200
  • Sensor based Image Stabilization
  • No Video
  • Sony/Minolta Alpha Mount
  • 549g - 128 x 97 x 86mm
  • Announced July 2010
  • Old Model is Sony A380
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Sigma DP1x vs Sony A390 Overview

Its time to take a more detailed look at the Sigma DP1x and Sony A390, former is a Large Sensor Compact while the other is a Entry-Level DSLR by manufacturers Sigma and Sony. There is a substantial difference among the image resolutions of the DP1x (5MP) and A390 (14MP) but they come with the same exact sensor sizes (APS-C).

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The DP1x was introduced 5 months before the A390 and they are of a similar age. Both cameras offer different body type with the Sigma DP1x being a Large Sensor Compact camera and the Sony A390 being a Compact SLR camera.

Before we go in to a thorough comparison, below is a short synopsis of how the DP1x matches up vs the A390 with respect to portability, imaging, features and an overall score.

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Reasons to pick Sigma DP1x over the Sony A390

 DP1x A390 

Reasons to pick Sony A390 over the Sigma DP1x

 A390 DP1x 
Display typeTiltingFixed Tilting display
Display sizing2.7"2.5"Larger display (+0.2")

Common features in the Sigma DP1x and Sony A390

 DP1x A390 
AnnouncedFebruary 2010July 2010Same age
Manual focus Very precise focus
Display resolution230k230kExact same display resolution
Selfie screen Neither contains selfie screen
Touch display Neither contains Touch display

Sigma DP1x vs Sony A390 Physical Comparison

For those who are aiming to carry around your camera regularly, you will want to consider its weight and dimensions. The Sigma DP1x has got exterior dimensions of 113mm x 60mm x 50mm (4.4" x 2.4" x 2.0") with a weight of 250 grams (0.55 lbs) and the Sony A390 has dimensions of 128mm x 97mm x 86mm (5.0" x 3.8" x 3.4") and a weight of 549 grams (1.21 lbs).

Check out the Sigma DP1x and Sony A390 in our newest Camera plus Lens Size Comparison Tool. Camera Size Comparison with Lenses

Bear in mind, the weight of an ILC will vary dependant on the lens you use during that time. Underneath is the front view measurement comparison of the DP1x against the A390.

Sigma DP1x vs Sony A390 size comparison

Considering size and weight, the portability score of the DP1x and A390 is 88 and 66 respectively.

Sigma DP1x vs Sony A390 top view buttons comparison

Sigma DP1x vs Sony A390 Sensor Comparison

Usually, it's tough to imagine the difference in sensor sizes simply by viewing technical specs. The picture underneath might offer you a far better sense of the sensor sizes in the DP1x and A390.

As you can tell, both the cameras offer the same exact sensor sizing but different MP. You can expect to see the Sony A390 to render more detail using its extra 9MP. Greater resolution will enable you to crop photos a little more aggressively.

Sigma DP1x vs Sony A390 sensor size comparison

Sigma DP1x vs Sony A390 Screen and ViewFinder

Sigma DP1x vs Sony A390 Screen and Viewfinder comparison
Photography Glossary

Photography Type Scores

Portrait Comparison

Sigma DP1x Portrait photography information
Sony A390 Portrait photography information
56
manual focus
sensor size is nice (APS-C)
exports RAW files
sensor resolution low (5 megapixels)
72
manual focus
resolution is good (14 megapixels)
sensor size is good (APS-C)
features face detect focus
supports RAW formats
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Street Comparison

Street photography with Sigma DP1x
Street photography with Sony A390
68
sensor size is nice (APS-C)
exports RAW files
lighter than average (250g)
no moving screen
does not have image stabilization
76
screen tilts
built in image stabilization (Sensor based)
sensor size is good (APS-C)
supports RAW formats
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Sports Comparison

Sigma DP1x Sports photography features
Sony A390 Sports photography features
32
sensor size is nice (APS-C)
can't change focal length (28mm)
does not have image stabilization
sensor resolution low (5 megapixels)
lack of phase detect autofocus
60
built in image stabilization (Sensor based)
resolution is good (14 megapixels)
sensor size is good (APS-C)
has phase detect auto focus
continuous shooting slow (3.0 frames/s)
terrible battery pack (230 CIPA)
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Travel Comparison

Sigma DP1x Travel photography info
Sony A390 Travel photography info
57
lighter than average (250 grams)
built-in flash
missing Time Lapse function
sensor resolution low (5MP)
display isn't selfie friendly
slow maximum aperture (f4.0)
53
resolution is good (14MP)
flash built-in
missing Timelapse function
terrible battery pack (230 shots)
display is not selfie friendly
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Landscape Comparison

Landscape photography with Sigma DP1x
Landscape photography with Sony A390
41
manual focus
sensor size is nice (APS-C)
exports RAW files
cannot swap lens (fixed lens mount)
can't change focal length (28mm)
slow maximum aperture (f4.0)
tiny screen (2.5")
does not have image stabilization
sensor resolution low (5 megapixels)
missing Time Lapse function
61
manual focus
switch lenses (Sony/Minolta Alpha mount)
built in image stabilization (Sensor based)
resolution is good (14MP)
sensor size is good (APS-C)
supports RAW formats
tiny screen (2.7 inch)
terrible battery pack (230 per charge)
missing Timelapse function
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Vlogging Comparison

Sigma DP1x Vlogging details
Sony A390 Vlogging details
25
lighter than average (250 grams)
slow maximum aperture (f4.0)
display isn't selfie friendly
does not have image stabilization
video quality not great (320 x 240 resolution)
missing external mic socket
9
can't shoot video
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Sigma DP1x vs Sony A390 Specifications

Detailed spec comparison table for Sigma DP1x and Sony A390
 Sigma DP1xSony Alpha DSLR-A390
General Information
Company Sigma Sony
Model type Sigma DP1x Sony Alpha DSLR-A390
Type Large Sensor Compact Entry-Level DSLR
Introduced 2010-02-20 2010-07-28
Body design Large Sensor Compact Compact SLR
Sensor Information
Processor True II Bionz
Sensor type CMOS (Foveon X3) CCD
Sensor size APS-C APS-C
Sensor measurements 20.7 x 13.8mm 23.5 x 15.7mm
Sensor surface area 285.7mm² 369.0mm²
Sensor resolution 5MP 14MP
Anti alias filter
Aspect ratio 3:2 3:2 and 16:9
Highest Possible resolution 2640 x 1760 4592 x 3056
Maximum native ISO 3200 3200
Min native ISO 100 100
RAW format
Autofocusing
Focus manually
AF touch
Continuous AF
Single AF
AF tracking
AF selectice
AF center weighted
AF multi area
Live view AF
Face detect focusing
Contract detect focusing
Phase detect focusing
Total focus points - 9
Lens
Lens mount type fixed lens Sony/Minolta Alpha
Lens zoom range 28mm (1x) -
Max aperture f/4.0 -
Available lenses - 143
Focal length multiplier 1.7 1.5
Screen
Display type Fixed Type Tilting
Display sizing 2.5" 2.7"
Resolution of display 230k dot 230k dot
Selfie friendly
Liveview
Touch friendly
Viewfinder Information
Viewfinder type None Optical (pentamirror)
Viewfinder coverage - 95 percent
Viewfinder magnification - 0.49x
Features
Min shutter speed 30s 30s
Max shutter speed 1/4000s 1/4000s
Continuous shutter speed - 3.0 frames per second
Shutter priority
Aperture priority
Expose Manually
Exposure compensation Yes Yes
Change WB
Image stabilization
Integrated flash
Flash distance - 10.00 m (at ISO 100)
Flash settings - Auto, On, Off, Red-Eye, Slow Sync, Rear Curtain, Wireless
Hot shoe
AEB
White balance bracketing
Max flash sync - 1/160s
Exposure
Multisegment
Average
Spot
Partial
AF area
Center weighted
Video features
Video resolutions 320 x 240 -
Maximum video resolution 320x240 None
Microphone input
Headphone input
Connectivity
Wireless None None
Bluetooth
NFC
HDMI
USB USB 1.0 (1.5 Mbit/sec) USB 2.0 (480 Mbit/sec)
GPS None None
Physical
Environmental seal
Water proofing
Dust proofing
Shock proofing
Crush proofing
Freeze proofing
Weight 250 grams (0.55 lbs) 549 grams (1.21 lbs)
Dimensions 113 x 60 x 50mm (4.4" x 2.4" x 2.0") 128 x 97 x 86mm (5.0" x 3.8" x 3.4")
DXO scores
DXO Overall rating not tested 66
DXO Color Depth rating not tested 22.5
DXO Dynamic range rating not tested 11.5
DXO Low light rating not tested 607
Other
Battery life - 230 shots
Battery format - Battery Pack
Battery ID - NP-FH50
Self timer Yes (10 sec) Yes (2 or 10 sec)
Time lapse shooting
Type of storage SD/MMC card SD/ SDHC, Memory Stick Pro Duo
Storage slots 1 1
Pricing at release $574 $500