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Ricoh PX vs Sigma DP2 Quattro

Portability
95
Imaging
39
Features
36
Overall
37
Ricoh PX front
 
Sigma DP2 Quattro front
Portability
70
Imaging
63
Features
38
Overall
53

Ricoh PX vs Sigma DP2 Quattro Key Specs

Ricoh PX
(Full Review)
  • 16MP - 1/2.3" Sensor
  • 2.7" Fixed Display
  • ISO 100 - 3200
  • Sensor-shift Image Stabilization
  • 1280 x 720 video
  • 28-140mm (F3.9-5.4) lens
  • 156g - 100 x 55 x 21mm
  • Launched August 2011
Sigma DP2 Quattro
(Full Review)
  • 20MP - APS-C Sensor
  • 3" Fixed Display
  • ISO 100 - 6400
  • No Video
  • 45mm (F2.8) lens
  • 395g - 161 x 67 x 82mm
  • Revealed February 2014
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Ricoh PX vs Sigma DP2 Quattro Overview

Here is a extensive comparison of the Ricoh PX vs Sigma DP2 Quattro, former being a Small Sensor Compact while the other is a Large Sensor Compact by competitors Ricoh and Sigma. The sensor resolution of the PX (16MP) and the DP2 Quattro (20MP) is very close but the PX (1/2.3") and DP2 Quattro (APS-C) boast different sensor size.

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The PX was manufactured 3 years earlier than the DP2 Quattro and that is a fairly serious difference as far as camera technology is concerned. Both of these cameras feature different body design with the Ricoh PX being a Compact camera and the Sigma DP2 Quattro being a Large Sensor Compact camera.

Before getting into a step-by-step comparison, here is a concise view of how the PX matches up vs the DP2 Quattro in regards to portability, imaging, features and an overall rating.

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Reasons to pick Ricoh PX over the Sigma DP2 Quattro

 PX DP2 Quattro 

Reasons to pick Sigma DP2 Quattro over the Ricoh PX

 DP2 Quattro PX 
RevealedFebruary 2014August 2011Fresher by 30 months
Display size3"2.7"Larger display (+0.3")
Display resolution920k230kSharper display (+690k dot)

Common features in the Ricoh PX and Sigma DP2 Quattro

 PX DP2 Quattro 
Manual focus Very exact focusing
Display typeFixed Fixed Fixed display
Selfie screen Neither has selfie screen
Touch display Neither has Touch display

Ricoh PX vs Sigma DP2 Quattro Physical Comparison

For anyone who is looking to carry your camera frequently, you will have to consider its weight and dimensions. The Ricoh PX has physical dimensions of 100mm x 55mm x 21mm (3.9" x 2.2" x 0.8") having a weight of 156 grams (0.34 lbs) and the Sigma DP2 Quattro has dimensions of 161mm x 67mm x 82mm (6.3" x 2.6" x 3.2") having a weight of 395 grams (0.87 lbs).

See the Ricoh PX vs Sigma DP2 Quattro in our brand new Camera & Lens Size Comparison Tool. Camera Size Comparison with Lenses

Bear in mind, the weight of an ILC will vary depending on the lens you are working with during that time. Following is a front view overall size comparison of the PX versus the DP2 Quattro.

Ricoh PX vs Sigma DP2 Quattro size comparison

Considering dimensions and weight, the portability rating of the PX and DP2 Quattro is 95 and 70 respectively.

Ricoh PX vs Sigma DP2 Quattro top view buttons comparison

Ricoh PX vs Sigma DP2 Quattro Sensor Comparison

More often than not, its tough to imagine the difference in sensor sizing purely by researching technical specs. The graphic here will provide you a stronger sense of the sensor sizes in the PX and DP2 Quattro.

As you can tell, both of the cameras feature different megapixels and different sensor sizing. The PX due to its smaller sensor is going to make achieving shallower depth of field trickier and the Sigma DP2 Quattro will provide you with greater detail due to its extra 4MP. Greater resolution will let you crop images way more aggressively. The older PX will be disadvantaged with regard to sensor tech.

Ricoh PX vs Sigma DP2 Quattro sensor size comparison

Ricoh PX vs Sigma DP2 Quattro Screen and ViewFinder

Ricoh PX vs Sigma DP2 Quattro Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Ricoh PX Portrait photography information
Sigma DP2 Quattro Portrait photography information
43
you can focus manually
good resolution (16MP)
comes with face detect focusing
cannot use external flash
very small sensor (1/2.3")
no RAW files
77
has manual focus
good MP (20 megapixels)
sensor size is good (APS-C)
supports face detection focusing
exports RAW formats
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Street Comparison

Ricoh PX Street photography information
Sigma DP2 Quattro Street photography information
63
built in image stabilization (Sensor-shift)
environment proof
no moving screen
very small sensor (1/2.3")
no RAW files
61
sensor size is good (APS-C)
exports RAW formats
no articulating screen
lack of image stabilization
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Sports Comparison

Ricoh PX as a Sports photography camera
Sigma DP2 Quattro as a Sports photography camera
44
built in image stabilization (Sensor-shift)
good resolution (16 megapixels)
comes with tracking focus
environment proof
low fps (1.0 frames/s)
lack of shutter priority mode
very small sensor (1/2.3")
no phase detect AF
48
good MP (20MP)
sensor size is good (APS-C)
can't change focal length (45mm)
very slow continuous shooting (3.0 fps)
lack of image stabilization
no phase detect AF
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Travel Comparison

Ricoh PX Travel photography advice
Sigma DP2 Quattro Travel photography advice
68
environment proof
good resolution (16MP)
has built in flash
decently wide (28mm)
does not have Time Lapse recording
does not have a selfie friendly display
sluggish maximum aperture (f3.9)
53
good MP (20MP)
display is not selfie friendly
slow maximum aperture (f2.8)
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Landscape Comparison

Ricoh PX Landscape photography information
Sigma DP2 Quattro Landscape photography information
47
you can focus manually
decently wide (28mm)
built in image stabilization (Sensor-shift)
good resolution (16MP)
environment proof
fixed lens (fixed lens mount)
sluggish maximum aperture (f3.9)
small screen (2.7")
very small sensor (1/2.3")
no RAW files
does not have Time Lapse recording
59
has manual focus
screen size is good (3")
good MP (20MP)
sensor size is good (APS-C)
exports RAW formats
can't change lens (fixed lens mount)
can't change focal length (45mm)
slow maximum aperture (f2.8)
lack of image stabilization
Photography Glossary

Vlogging Comparison

Ricoh PX Vlogging features
Sigma DP2 Quattro Vlogging features
31
decently wide (28mm)
built in image stabilization (Sensor-shift)
comes with face detect focusing
sluggish maximum aperture (f3.9)
does not have a selfie friendly display
video resolution low (1280 x 720 pxls)
does not have mic socket
9
no video recording
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Ricoh PX vs Sigma DP2 Quattro Specifications

Detailed spec comparison table for Ricoh PX and Sigma DP2 Quattro
 Ricoh PXSigma DP2 Quattro
General Information
Brand Ricoh Sigma
Model type Ricoh PX Sigma DP2 Quattro
Category Small Sensor Compact Large Sensor Compact
Launched 2011-08-16 2014-02-13
Physical type Compact Large Sensor Compact
Sensor Information
Powered by Smooth Imaging Engine IV TRUE III engine
Sensor type CCD CMOS (Foveon X3)
Sensor size 1/2.3" APS-C
Sensor dimensions 6.17 x 4.55mm 23.5 x 15.7mm
Sensor surface area 28.1mm² 369.0mm²
Sensor resolution 16 megapixel 20 megapixel
Anti alias filter
Aspect ratio 1:1, 4:3 and 3:2 1:1, 4:3, 3:2 and 16:9
Full resolution 4608 x 3072 5424 x 3616
Max native ISO 3200 6400
Minimum native ISO 100 100
RAW support
Autofocusing
Focus manually
Autofocus touch
Autofocus continuous
Autofocus single
Autofocus tracking
Autofocus selectice
Center weighted autofocus
Multi area autofocus
Live view autofocus
Face detect autofocus
Contract detect autofocus
Phase detect autofocus
Total focus points - 9
Lens
Lens support fixed lens fixed lens
Lens zoom range 28-140mm (5.0x) 45mm (1x)
Maximum aperture f/3.9-5.4 f/2.8
Macro focusing range 3cm -
Focal length multiplier 5.8 1.5
Screen
Display type Fixed Type Fixed Type
Display sizing 2.7 inch 3 inch
Resolution of display 230 thousand dots 920 thousand dots
Selfie friendly
Liveview
Touch display
Display technology - TFT color LCD
Viewfinder Information
Viewfinder None None
Features
Lowest shutter speed 8 secs 30 secs
Highest shutter speed 1/2000 secs 1/2000 secs
Continuous shooting rate 1.0 frames/s 3.0 frames/s
Shutter priority
Aperture priority
Manually set exposure
Exposure compensation Yes Yes
Set white balance
Image stabilization
Built-in flash
Flash distance 3.50 m no built-in flash
Flash settings Auto, On, Off, Red-Eye, Slow Sync no built-in flash
External flash
AE bracketing
White balance bracketing
Exposure
Multisegment
Average
Spot
Partial
AF area
Center weighted
Video features
Video resolutions 1280 x 720 (30 fps), 640 x 480 (30fps) -
Max video resolution 1280x720 None
Video data format Motion JPEG -
Mic support
Headphone support
Connectivity
Wireless None None
Bluetooth
NFC
HDMI
USB USB 2.0 (480 Mbit/sec) USB 2.0 (480 Mbit/sec)
GPS None None
Physical
Environmental sealing
Water proofing
Dust proofing
Shock proofing
Crush proofing
Freeze proofing
Weight 156 grams (0.34 lb) 395 grams (0.87 lb)
Physical dimensions 100 x 55 x 21mm (3.9" x 2.2" x 0.8") 161 x 67 x 82mm (6.3" x 2.6" x 3.2")
DXO scores
DXO All around rating not tested not tested
DXO Color Depth rating not tested not tested
DXO Dynamic range rating not tested not tested
DXO Low light rating not tested not tested
Other
Battery ID DB-100 BP-51
Self timer Yes (2, 10 or Custom) Yes (2 or 10 secs)
Time lapse recording
Type of storage SD/SDHC card, Internal -
Card slots One One
Retail cost $329 $931