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Ricoh GR III vs Sigma DP2x

Portability
90
Imaging
69
Features
62
Overall
66
Ricoh GR III front
 
Sigma DP2x front
Portability
86
Imaging
45
Features
31
Overall
39

Ricoh GR III vs Sigma DP2x Key Specs

Ricoh GR III
(Full Review)
  • 24MP - APS-C Sensor
  • 3" Fixed Screen
  • ISO 100 - 102400
  • Sensor-shift Image Stabilization
  • No Anti-Alias Filter
  • 1920 x 1080 video
  • 28mm (F2.8-16) lens
  • 257g - 109 x 62 x 33mm
  • Introduced September 2018
  • Replaced the Ricoh GR III
  • Replacement is Ricoh GR III
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
  • Introduced February 2011
  • Succeeded the Sigma DP2s
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Ricoh GR III vs Sigma DP2x Overview

Let's look a bit more in depth at the Ricoh GR III vs Sigma DP2x, both Large Sensor Compact cameras by companies Ricoh and Sigma. There exists a noticeable gap among the sensor resolutions of the GR III (24MP) and DP2x (5MP) but both cameras offer the same sensor sizing (APS-C).

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The GR III was brought out 7 years later than the DP2x and that is a fairly sizable difference as far as camera technology is concerned. Both of the cameras have the same body design (Large Sensor Compact).

Before delving straight to a complete comparison, here is a brief view of how the GR III scores versus the DP2x when it comes to portability, imaging, features and an overall grade.

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Reasons to pick Ricoh GR III over the Sigma DP2x

 GR III DP2x 
IntroducedSeptember 2018February 2011More recent by 93 months
Screen dimensions3"2.5"Bigger screen (+0.5")
Screen resolution1037k230kCrisper screen (+807k dot)
Touch friendly screen Quickly navigate

Reasons to pick Sigma DP2x over the Ricoh GR III

 DP2x GR III 

Common features in the Ricoh GR III and Sigma DP2x

 GR III DP2x 
Manually focus Dial exact focusing
Screen typeFixed Fixed Fixed screen
Selfie screen Lacking selfie screen

Ricoh GR III vs Sigma DP2x Physical Comparison

If you're intending to lug around your camera, you'll have to take into account its weight and dimensions. The Ricoh GR III features exterior dimensions of 109mm x 62mm x 33mm (4.3" x 2.4" x 1.3") with a weight of 257 grams (0.57 lbs) and the Sigma DP2x has dimensions of 113mm x 60mm x 56mm (4.4" x 2.4" x 2.2") and a weight of 280 grams (0.62 lbs).

Contrast the Ricoh GR III vs Sigma DP2x in our completely new Camera & Lens Size Comparison Tool. Camera Size Comparison with Lenses

Bear in mind, the weight of an ILC will vary dependant on the lens you have attached at the time. The following is a front view overall size comparison of the GR III vs the DP2x.

Ricoh GR III vs Sigma DP2x size comparison

Considering dimensions and weight, the portability rating of the GR III and DP2x is 90 and 86 respectively.

Ricoh GR III vs Sigma DP2x top view buttons comparison

Ricoh GR III vs Sigma DP2x Sensor Comparison

Typically, it can be difficult to imagine the gap in sensor measurements just by looking through a spec sheet. The graphic here will offer you a stronger sense of the sensor dimensions in the GR III and DP2x.

As you can see, both of those cameras have the same sensor dimensions albeit different resolution. You can count on the Ricoh GR III to provide you with extra detail having its extra 19 Megapixels. Higher resolution can also help you crop shots a bit more aggressively. The more modern GR III should have an advantage in sensor innovation.

Ricoh GR III vs Sigma DP2x sensor size comparison

Ricoh GR III vs Sigma DP2x Screen and ViewFinder

Ricoh GR III vs Sigma DP2x Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Ricoh GR III Portrait photography highlights
Sigma DP2x Portrait photography highlights
81
you can focus manually
megapixel count decent (24 megapixels)
nice sensor size (APS-C)
comes with face detect focusing
saves RAW files
57
focusing manually
good sensor size (APS-C)
saves RAW formats
low megapixels (5MP)
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Street Comparison

Ricoh GR III Street photography advice
Sigma DP2x Street photography advice
84
has image stabilization (Sensor-shift)
nice sensor size (APS-C)
saves RAW files
includes focus by touch
lighter than competition (257g)
above average high ISO (102,400)
screen does not articulate
68
good sensor size (APS-C)
saves RAW formats
lighter than competitors in class (280 grams)
screen is fixed
no image stabilization
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Sports Comparison

Ricoh GR III as a Sports photography camera
Sigma DP2x as a Sports photography camera
76
has image stabilization (Sensor-shift)
megapixel count decent (24 megapixels)
nice sensor size (APS-C)
comes with tracking focus
has phase detect AF
focal length is fixed (28mm)
30
good sensor size (APS-C)
focal length is fixed (41mm)
continuous shooting slow (3.0 frames per second)
no image stabilization
low megapixels (5 megapixels)
does not have phase detect autofocus
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Travel Comparison

Ricoh GR III as a Travel photography camera
Sigma DP2x as a Travel photography camera
69
lighter than competition (257 grams)
includes focus by touch
megapixel count decent (24MP)
lack of Time Lapse mode
screen isn't selfie friendly
slow maximum aperture (f2.8)
67
lighter than competitors in class (280 grams)
has built in flash
fast maximum aperture (f)
low megapixels (5 megapixels)
doesn't have a selfie friendly screen
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Landscape Comparison

Ricoh GR III as a Landscape photography camera
Sigma DP2x as a Landscape photography camera
69
you can focus manually
screen size is decent (3 inches)
has image stabilization (Sensor-shift)
megapixel count decent (24 megapixels)
nice sensor size (APS-C)
no anti aliasing filter
above average high ISO (102,400)
saves RAW files
cannot switch lenses (fixed lens mount)
focal length is fixed (28mm)
slow maximum aperture (f2.8)
lack of Time Lapse mode
48
focusing manually
fast maximum aperture (f)
good sensor size (APS-C)
saves RAW formats
lens is fixed (fixed lens mount)
focal length is fixed (41mm)
tiny screen (2.5")
no image stabilization
low megapixels (5MP)
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Vlogging Comparison

Ricoh GR III Vlogging details
Sigma DP2x Vlogging details
37
touchscreen
has image stabilization (Sensor-shift)
comes with face detect focusing
video res high (1920 x 1080 pixels)
lighter than competition (257g)
slow maximum aperture (f2.8)
screen isn't selfie friendly
lack of mic socket
28
fast maximum aperture (f)
lighter than competitors in class (280 grams)
doesn't have a selfie friendly screen
no image stabilization
video quality not great (320 x 240 pxls)
lack of external microphone socket
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Ricoh GR III vs Sigma DP2x Specifications

Detailed spec comparison table for Ricoh GR III and Sigma DP2x
 Ricoh GR IIISigma DP2x
General Information
Make Ricoh Sigma
Model type Ricoh GR III Sigma DP2x
Class Large Sensor Compact Large Sensor Compact
Introduced 2018-09-25 2011-02-08
Physical type Large Sensor Compact Large Sensor Compact
Sensor Information
Powered by - True II
Sensor type CMOS CMOS (Foveon X3)
Sensor size APS-C APS-C
Sensor measurements 23.5 x 15.6mm 20.7 x 13.8mm
Sensor surface area 366.6mm² 285.7mm²
Sensor resolution 24 megapixels 5 megapixels
Anti alias filter
Aspect ratio 1:1 and 3:2 3:2 and 16:9
Highest resolution 6000 x 4000 2640 x 1760
Highest native ISO 102400 3200
Lowest native ISO 100 100
RAW photos
Autofocusing
Manual focusing
Touch to focus
Autofocus continuous
Single autofocus
Autofocus tracking
Autofocus selectice
Center weighted autofocus
Multi area autofocus
Live view autofocus
Face detection autofocus
Contract detection autofocus
Phase detection autofocus
Cross type focus points - -
Lens
Lens support fixed lens fixed lens
Lens zoom range 28mm (1x) 41mm (1x)
Largest aperture f/2.8-16 -
Macro focusing distance 6cm -
Focal length multiplier 1.5 1.7
Screen
Screen type Fixed Type Fixed Type
Screen diagonal 3 inch 2.5 inch
Resolution of screen 1,037k dots 230k dots
Selfie friendly
Liveview
Touch function
Viewfinder Information
Viewfinder type Optical (optional) None
Features
Slowest shutter speed 30 seconds 15 seconds
Maximum shutter speed 1/4000 seconds 1/2000 seconds
Continuous shooting rate - 3.0fps
Shutter priority
Aperture priority
Manually set exposure
Exposure compensation Yes Yes
Change white balance
Image stabilization
Built-in flash
Flash distance no built-in flash 4.30 m
Flash options Auto, Flash On, Flash On+Red-eye, Slow-speed Sync, Slow Sync+Red-eye Forced Flash, Red-Eye Reduction, Slow Synchro
External flash
AEB
WB bracketing
Exposure
Multisegment exposure
Average exposure
Spot exposure
Partial exposure
AF area exposure
Center weighted exposure
Video features
Supported video resolutions 1920 x 1080 @ 60p, MOV, H.264, Linear PCM 320 x 240
Highest video resolution 1920x1080 320x240
Video data format MPEG-4, H.264 Motion JPEG
Microphone port
Headphone port
Connectivity
Wireless Built-In None
Bluetooth
NFC
HDMI
USB Yes USB 2.0 (480 Mbit/sec)
GPS None None
Physical
Environmental sealing
Water proofing
Dust proofing
Shock proofing
Crush proofing
Freeze proofing
Weight 257g (0.57 lbs) 280g (0.62 lbs)
Physical dimensions 109 x 62 x 33mm (4.3" x 2.4" x 1.3") 113 x 60 x 56mm (4.4" x 2.4" x 2.2")
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
Self timer Yes Yes (2 or 10 sec)
Time lapse shooting
Storage type Internal, SD/SDHC/SDXC (UHS-I supported) SD/SDHC/MMC
Card slots 1 1
Cost at launch $900 $699