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Ricoh CX1 vs Sigma DP2x

Portability
93
Imaging
32
Features
30
Overall
31
Ricoh CX1 front
 
Sigma DP2x front
Portability
86
Imaging
45
Features
31
Overall
39

Ricoh CX1 vs Sigma DP2x Key Specs

Ricoh CX1
(Full Review)
  • 9MP - 1/2.3" Sensor
  • 3" Fixed Screen
  • ISO 80 - 1600
  • Sensor-shift Image Stabilization
  • 640 x 480 video
  • 28-200mm (F3.3-5.2) lens
  • 180g - 102 x 58 x 28mm
  • Launched February 2009
Sigma DP2x
(Full Review)
  • 5MP - APS-C Sensor
  • 2.5" Fixed Screen
  • ISO 100 - 3200
  • 320 x 240 video
  • 41mm (F) lens
  • 280g - 113 x 60 x 56mm
  • Launched February 2011
  • Replaced the Sigma DP2s
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Ricoh CX1 vs Sigma DP2x Overview

Its time to look much closer at the Ricoh CX1 versus Sigma DP2x, one being a Small Sensor Compact and the latter is a Large Sensor Compact by brands Ricoh and Sigma. There is a big difference between the sensor resolutions of the CX1 (9MP) and DP2x (5MP) and the CX1 (1/2.3") and DP2x (APS-C) offer totally different sensor size.

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The CX1 was revealed 23 months earlier than the DP2x which makes them a generation apart from each other. Both cameras have different body design with the Ricoh CX1 being a Compact camera and the Sigma DP2x being a Large Sensor Compact camera.

Before we go right into a detailed comparison, here is a quick summation of how the CX1 grades vs the DP2x with respect to portability, imaging, features and an overall rating.

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Reasons to pick Ricoh CX1 over the Sigma DP2x

 CX1 DP2x 
Screen dimensions3"2.5"Bigger screen (+0.5")
Screen resolution920k230kClearer screen (+690k dot)

Reasons to pick Sigma DP2x over the Ricoh CX1

 DP2x CX1 
LaunchedFebruary 2011February 2009Fresher by 23 months

Common features in the Ricoh CX1 and Sigma DP2x

 CX1 DP2x 
Focus manually More accurate focus
Screen typeFixed Fixed Fixed screen
Selfie screen Neither features selfie screen
Touch friendly screen Neither features Touch friendly screen

Ricoh CX1 vs Sigma DP2x Physical Comparison

In case you're going to carry your camera frequently, you will need to factor in its weight and measurements. The Ricoh CX1 enjoys external measurements of 102mm x 58mm x 28mm (4.0" x 2.3" x 1.1") having a weight of 180 grams (0.40 lbs) whilst the Sigma DP2x has proportions of 113mm x 60mm x 56mm (4.4" x 2.4" x 2.2") and a weight of 280 grams (0.62 lbs).

Look at the Ricoh CX1 versus Sigma DP2x in the all new Camera and Lens Size Comparison Tool. Camera Size Comparison with Lenses

Remember, the weight of an Interchangeable Lens Camera will change based on the lens you have at that time. Underneath is a front view proportions comparison of the CX1 and the DP2x.

Ricoh CX1 vs Sigma DP2x size comparison

Taking into consideration size and weight, the portability grade of the CX1 and DP2x is 93 and 86 respectively.

Ricoh CX1 vs Sigma DP2x top view buttons comparison

Ricoh CX1 vs Sigma DP2x Sensor Comparison

Often, it is very tough to see the gap between sensor sizing merely by going over a spec sheet. The graphic underneath may give you a far better sense of the sensor sizing in the CX1 and DP2x.

As you can see, both of the cameras have different megapixel count and different sensor sizing. The CX1 with its tinier sensor will make getting shallow DOF tougher and the Ricoh CX1 will offer extra detail because of its extra 4MP. Higher resolution will also help you crop shots a bit more aggressively. The older CX1 is going to be disadvantaged with regard to sensor technology.

Ricoh CX1 vs Sigma DP2x sensor size comparison

Ricoh CX1 vs Sigma DP2x Screen and ViewFinder

Ricoh CX1 vs Sigma DP2x Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Portrait photography with Ricoh CX1
Portrait photography with Sigma DP2x
25
focusing manually
manual exposure not possible
no external flash support
low megapixels (9MP)
sensor is small (1/2.3")
does not have RAW format
57
you can focus manually
good sensor size (APS-C)
saves RAW files
megapixel count low (5MP)
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Street Comparison

Ricoh CX1 Street photography details
Sigma DP2x Street photography details
55
image stabilization (Sensor-shift)
screen is fixed
sensor is small (1/2.3")
does not have RAW format
68
good sensor size (APS-C)
saves RAW files
lighter than competition (280 grams)
screen does not articulate
lack of image stabilization
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Sports Comparison

Sports photography with Ricoh CX1
Sports photography with Sigma DP2x
26
image stabilization (Sensor-shift)
lack of shutter priority mode
low megapixels (9MP)
sensor is small (1/2.3")
does not have phase detect autofocus
30
good sensor size (APS-C)
focal length is fixed (41mm)
continuous shooting slow (3.0 frames per second)
lack of image stabilization
megapixel count low (5 megapixels)
does not have phase detect AF
Photography Glossary

Travel Comparison

Ricoh CX1 Travel photography features
Sigma DP2x Travel photography features
59
flash built-in
pretty wide (28mm)
low megapixels (9 megapixels)
screen isn't selfie friendly
sluggish maximum aperture (f3.3)
67
lighter than competition (280 grams)
has built in flash
good maximum aperture (f)
megapixel count low (5MP)
screen isn't selfie friendly
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Landscape Comparison

Ricoh CX1 as a Landscape photography camera
Sigma DP2x as a Landscape photography camera
42
focusing manually
pretty wide (28mm)
screen size is good (3 inch)
image stabilization (Sensor-shift)
cannot change lenses (fixed lens mount)
sluggish maximum aperture (f3.3)
manual exposure not possible
low megapixels (9MP)
sensor is small (1/2.3")
does not have RAW format
48
you can focus manually
good maximum aperture (f)
good sensor size (APS-C)
saves RAW files
lens is fixed (fixed lens mount)
focal length is fixed (41mm)
screen is somewhat small (2.5 inches)
lack of image stabilization
megapixel count low (5 megapixels)
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Vlogging Comparison

Ricoh CX1 Vlogging factors
Sigma DP2x Vlogging factors
28
pretty wide (28mm)
image stabilization (Sensor-shift)
sluggish maximum aperture (f3.3)
screen isn't selfie friendly
video quality not great (640 x 480 pixels)
does not have mic support
28
good maximum aperture (f)
lighter than competition (280g)
screen isn't selfie friendly
lack of image stabilization
video resolution low (320 x 240 pixels)
does not have external microphone jack
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Ricoh CX1 vs Sigma DP2x Specifications

Detailed spec comparison table for Ricoh CX1 and Sigma DP2x
 Ricoh CX1Sigma DP2x
General Information
Brand Name Ricoh Sigma
Model Ricoh CX1 Sigma DP2x
Type Small Sensor Compact Large Sensor Compact
Launched 2009-02-19 2011-02-08
Body design Compact Large Sensor Compact
Sensor Information
Chip Smooth Imaging Engine IV True II
Sensor type CMOS CMOS (Foveon X3)
Sensor size 1/2.3" APS-C
Sensor measurements 6.17 x 4.55mm 20.7 x 13.8mm
Sensor area 28.1mm² 285.7mm²
Sensor resolution 9 megapixels 5 megapixels
Anti aliasing filter
Aspect ratio 1:1, 4:3 and 3:2 3:2 and 16:9
Maximum resolution 3456 x 2592 2640 x 1760
Maximum native ISO 1600 3200
Lowest native ISO 80 100
RAW format
Autofocusing
Manual focus
Autofocus touch
Autofocus continuous
Single autofocus
Tracking autofocus
Autofocus selectice
Autofocus center weighted
Multi area autofocus
Live view autofocus
Face detection autofocus
Contract detection autofocus
Phase detection autofocus
Cross focus points - -
Lens
Lens mount fixed lens fixed lens
Lens focal range 28-200mm (7.1x) 41mm (1x)
Largest aperture f/3.3-5.2 -
Macro focus distance 1cm -
Focal length multiplier 5.8 1.7
Screen
Screen type Fixed Type Fixed Type
Screen diagonal 3 inches 2.5 inches
Screen resolution 920k dot 230k dot
Selfie friendly
Liveview
Touch function
Viewfinder Information
Viewfinder None None
Features
Slowest shutter speed 8s 15s
Maximum shutter speed 1/2000s 1/2000s
Continuous shooting speed - 3.0 frames per second
Shutter priority
Aperture priority
Expose Manually
Exposure compensation - Yes
Set white balance
Image stabilization
Integrated flash
Flash range 3.00 m 4.30 m
Flash options Auto, On, Off, Red-Eye, Slow Sync Forced Flash, Red-Eye Reduction, Slow Synchro
External flash
Auto exposure bracketing
White balance bracketing
Exposure
Multisegment metering
Average metering
Spot metering
Partial metering
AF area metering
Center weighted metering
Video features
Video resolutions 640 x 480 (30 fps), 320 x 240 (30 fps) 320 x 240
Maximum video resolution 640x480 320x240
Video data format Motion JPEG Motion JPEG
Microphone input
Headphone input
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 seal
Water proof
Dust proof
Shock proof
Crush proof
Freeze proof
Weight 180 grams (0.40 lbs) 280 grams (0.62 lbs)
Physical dimensions 102 x 58 x 28mm (4.0" x 2.3" x 1.1") 113 x 60 x 56mm (4.4" x 2.4" x 2.2")
DXO scores
DXO All around score not tested not tested
DXO Color Depth score not tested not tested
DXO Dynamic range score not tested not tested
DXO Low light score not tested not tested
Other
Battery model DB-70 -
Self timer Yes (2, 10 or Custom) Yes (2 or 10 sec)
Time lapse feature
Type of storage SD/SDHC card, Internal SD/SDHC/MMC
Storage slots Single Single
Launch cost $299 $699