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Ricoh CX4 vs Sigma DP2x

Portability
92
Imaging
34
Features
34
Overall
34
Ricoh CX4 front
 
Sigma DP2x front
Portability
86
Imaging
45
Features
31
Overall
39

Ricoh CX4 vs Sigma DP2x Key Specs

Ricoh CX4
(Full Review)
  • 10MP - 1/2.3" Sensor
  • 3" Fixed Display
  • ISO 100 - 3200
  • Sensor-shift Image Stabilization
  • 1280 x 720 video
  • 28-300mm (F3.5-5.6) lens
  • 205g - 102 x 59 x 29mm
  • Released August 2010
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
  • Announced February 2011
  • Old Model is Sigma DP2s
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Ricoh CX4 vs Sigma DP2x Overview

Lets take a more detailed look at the Ricoh CX4 vs Sigma DP2x, one is a Small Sensor Superzoom and the latter is a Large Sensor Compact by brands Ricoh and Sigma. There is a sizeable difference between the image resolutions of the CX4 (10MP) and DP2x (5MP) and the CX4 (1/2.3") and DP2x (APS-C) enjoy totally different sensor dimensions.

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The CX4 was manufactured 5 months earlier than the DP2x which means that they are of a similar generation. Each of these cameras offer different body type with the Ricoh CX4 being a Compact camera and the Sigma DP2x being a Large Sensor Compact camera.

Before we go in to a full comparison, below is a short view of how the CX4 grades against the DP2x in regards to portability, imaging, features and an overall score.

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Reasons to pick Ricoh CX4 over the Sigma DP2x

 CX4 DP2x 
Screen sizing3"2.5"Bigger screen (+0.5")
Screen resolution920k230kClearer screen (+690k dot)

Reasons to pick Sigma DP2x over the Ricoh CX4

 DP2x CX4 

Common features in the Ricoh CX4 and Sigma DP2x

 CX4 DP2x 
AnnouncedAugust 2010February 2011Similar generation
Manual focus Very precise focusing
Screen typeFixed Fixed Fixed screen
Selfie screen Neither includes selfie screen
Touch screen Neither includes Touch screen

Ricoh CX4 vs Sigma DP2x Physical Comparison

When you are planning to carry around your camera frequently, you need to take into account its weight and measurements. The Ricoh CX4 features physical measurements of 102mm x 59mm x 29mm (4.0" x 2.3" x 1.1") with a weight of 205 grams (0.45 lbs) whilst the Sigma DP2x has proportions of 113mm x 60mm x 56mm (4.4" x 2.4" x 2.2") along with a weight of 280 grams (0.62 lbs).

Check the Ricoh CX4 vs Sigma DP2x in the latest Camera and Lens Size Comparison Tool. Camera Size Comparison with Lenses

Take into account, the weight of an Interchangeable Lens Camera will vary depending on the lens you are employing at that time. The following is the front view dimensions comparison of the CX4 compared to the DP2x.

Ricoh CX4 vs Sigma DP2x size comparison

Using size and weight, the portability grade of the CX4 and DP2x is 92 and 86 respectively.

Ricoh CX4 vs Sigma DP2x top view buttons comparison

Ricoh CX4 vs Sigma DP2x Sensor Comparison

Often, it is very tough to envision the contrast between sensor sizes only by reading through technical specs. The image here may offer you a greater sense of the sensor sizing in the CX4 and DP2x.

As you have seen, each of these cameras offer different megapixel count and different sensor sizes. The CX4 due to its tinier sensor will make shooting shallower DOF more challenging and the Ricoh CX4 will give you more detail due to its extra 5MP. Higher resolution will enable you to crop shots a little more aggressively.

Ricoh CX4 vs Sigma DP2x sensor size comparison

Ricoh CX4 vs Sigma DP2x Screen and ViewFinder

Ricoh CX4 vs Sigma DP2x Screen and Viewfinder comparison
Photography Glossary

Photography Type Scores

Portrait Comparison

Portrait photography with Ricoh CX4
Portrait photography with Sigma DP2x
27
manual focus
no manual mode
no external flash support
sensor resolution low (10MP)
tiny sensor (1/2.3")
lacks RAW files
57
has manual focus
sensor size is decent (APS-C)
supports RAW files
MP count low (5 megapixels)
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Street Comparison

Ricoh CX4 as a Street photography camera
Sigma DP2x as a Street photography camera
61
has image stabilization (Sensor-shift)
lighter than competitors (205g)
no moving screen
tiny sensor (1/2.3")
lacks RAW files
68
sensor size is decent (APS-C)
supports RAW files
lighter than competition (280 grams)
no moving screen
no image stabilization
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Sports Comparison

Ricoh CX4 Sports photography highlights
Sigma DP2x Sports photography highlights
25
has image stabilization (Sensor-shift)
very slow continuous shooting (5.0 frames per second)
lack of shutter priority mode
sensor resolution low (10MP)
tiny sensor (1/2.3")
lacks phase detect auto focus
30
sensor size is decent (APS-C)
can't change focal length (41mm)
max frames per second very slow (3.0 frames/s)
no image stabilization
MP count low (5MP)
no phase detect autofocus
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Travel Comparison

Ricoh CX4 Travel photography info
Sigma DP2x Travel photography info
66
lighter than competitors (205g)
flash built-in
decently wide (28mm)
long reach (300mm)
sensor resolution low (10 megapixels)
does not posses selfie friendly display
sluggish max aperture (f3.5)
67
lighter than competition (280g)
flash built-in
great max aperture (f)
MP count low (5 megapixels)
does not offer selfie friendly display
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Landscape Comparison

Ricoh CX4 Landscape photography advice
Sigma DP2x Landscape photography advice
42
manual focus
decently wide (28mm)
screen size is good (3 inches)
has image stabilization (Sensor-shift)
lens is fixed (fixed lens mount)
sluggish max aperture (f3.5)
no manual mode
sensor resolution low (10 megapixels)
tiny sensor (1/2.3")
lacks RAW files
48
has manual focus
great max aperture (f)
sensor size is decent (APS-C)
supports RAW files
cannot switch lens (fixed lens mount)
can't change focal length (41mm)
screen is small (2.5")
no image stabilization
MP count low (5MP)
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Vlogging Comparison

Ricoh CX4 Vlogging advice
Sigma DP2x Vlogging advice
30
decently wide (28mm)
has image stabilization (Sensor-shift)
lighter than competitors (205g)
sluggish max aperture (f3.5)
does not posses selfie friendly display
video resolution low (1280 x 720 pixels)
missing microphone socket
28
great max aperture (f)
lighter than competition (280 grams)
does not offer selfie friendly display
no image stabilization
low quality video (320 x 240 pixels)
no microphone support
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Ricoh CX4 vs Sigma DP2x Specifications

Detailed spec comparison table for Ricoh CX4 and Sigma DP2x
 Ricoh CX4Sigma DP2x
General Information
Brand Ricoh Sigma
Model Ricoh CX4 Sigma DP2x
Category Small Sensor Superzoom Large Sensor Compact
Released 2010-08-19 2011-02-08
Physical type Compact Large Sensor Compact
Sensor Information
Processor Smooth Imaging Engine IV True II
Sensor type BSI-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 10 megapixel 5 megapixel
Anti aliasing filter
Aspect ratio 1:1, 4:3 and 3:2 3:2 and 16:9
Max resolution 3648 x 2736 2640 x 1760
Max native ISO 3200 3200
Minimum native ISO 100 100
RAW support
Autofocusing
Manual focus
Touch focus
Continuous autofocus
Autofocus single
Tracking autofocus
Selective autofocus
Autofocus center weighted
Autofocus multi area
Autofocus live view
Face detect autofocus
Contract detect autofocus
Phase detect autofocus
Cross focus points - -
Lens
Lens mount fixed lens fixed lens
Lens focal range 28-300mm (10.7x) 41mm (1x)
Max aperture f/3.5-5.6 -
Macro focus distance 1cm -
Crop factor 5.8 1.7
Screen
Display type Fixed Type Fixed Type
Display size 3 inch 2.5 inch
Display resolution 920 thousand dots 230 thousand dots
Selfie friendly
Liveview
Touch display
Viewfinder Information
Viewfinder None None
Features
Min shutter speed 8s 15s
Max shutter speed 1/2000s 1/2000s
Continuous shutter rate 5.0 frames per sec 3.0 frames per sec
Shutter priority
Aperture priority
Expose Manually
Exposure compensation - Yes
Custom white balance
Image stabilization
Inbuilt flash
Flash range 4.00 m 4.30 m
Flash options Auto, On, Off, Red-Eye, Slow Sync Forced Flash, Red-Eye Reduction, Slow Synchro
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 (30 fps), 320 x 240 (30 fps) 320 x 240
Max video resolution 1280x720 320x240
Video data format Motion JPEG Motion JPEG
Microphone 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
Environment sealing
Water proof
Dust proof
Shock proof
Crush proof
Freeze proof
Weight 205 gr (0.45 lbs) 280 gr (0.62 lbs)
Dimensions 102 x 59 x 29mm (4.0" x 2.3" x 1.1") 113 x 60 x 56mm (4.4" x 2.4" x 2.2")
DXO scores
DXO Overall 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-100 -
Self timer Yes (2, 10 or Custom) Yes (2 or 10 sec)
Time lapse recording
Type of storage SD/SDHC/SDXC card, Internal SD/SDHC/MMC
Card slots Single Single
Retail price $211 $699