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Ricoh GR III vs Sigma SD10

Portability
90
Imaging
69
Features
62
Overall
66
Ricoh GR III front
 
Sigma SD10 front
Portability
54
Imaging
39
Features
27
Overall
34

Ricoh GR III vs Sigma SD10 Key Specs

Ricoh GR III
(Full Review)
  • 24MP - APS-C Sensor
  • 3" Fixed Display
  • 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
  • Announced September 2018
  • Replaced the Ricoh GR III
  • Later Model is Ricoh GR III
Sigma SD10
(Full Review)
  • 3MP - APS-C Sensor
  • 1.8" Fixed Display
  • ISO 100 - 800 (Raise to 1600)
  • 1/6000s Maximum Shutter
  • No Video
  • Sigma SA Mount
  • 950g - 152 x 120 x 79mm
  • Revealed March 2004
  • Replaced the Sigma SD9
  • Successor is Sigma SD14
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Ricoh GR III vs Sigma SD10 Overview

Let's look more closely at the Ricoh GR III versus Sigma SD10, former is a Large Sensor Compact while the other is a Advanced DSLR by manufacturers Ricoh and Sigma. There is a considerable difference between the resolutions of the GR III (24MP) and SD10 (3MP) but both cameras provide the identical sensor size (APS-C).

Photography Glossary

The GR III was launched 14 years after the SD10 which is quite a large difference as far as tech is concerned. The two cameras feature different body design with the Ricoh GR III being a Large Sensor Compact camera and the Sigma SD10 being a Mid-size SLR camera.

Before we go right into a thorough comparison, here is a brief summation of how the GR III grades against the SD10 in relation to portability, imaging, features and an overall mark.

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Reasons to pick Ricoh GR III over the Sigma SD10

 GR III SD10 
RevealedSeptember 2018March 2004Newer by 177 months
Display size3"1.8"Larger display (+1.2")
Display resolution1037k130kClearer display (+907k dot)
Touch friendly display Easily navigate

Reasons to pick Sigma SD10 over the Ricoh GR III

 SD10 GR III 

Common features in the Ricoh GR III and Sigma SD10

 GR III SD10 
Manual focus More precise focusing
Display typeFixed Fixed Fixed display
Selfie screen No selfie screen

Ricoh GR III vs Sigma SD10 Physical Comparison

If you're looking to travel with your camera frequently, you will need to factor in its weight and size. The Ricoh GR III has physical measurements of 109mm x 62mm x 33mm (4.3" x 2.4" x 1.3") along with a weight of 257 grams (0.57 lbs) whilst the Sigma SD10 has specifications of 152mm x 120mm x 79mm (6.0" x 4.7" x 3.1") having a weight of 950 grams (2.09 lbs).

See the Ricoh GR III versus Sigma SD10 in our brand new Camera & Lens Size Comparison Tool. Camera Size Comparison with Lenses

Take into consideration, the weight of an ILC will vary based on the lens you have attached at that time. Underneath is a front view overall size comparison of the GR III compared to the SD10.

Ricoh GR III vs Sigma SD10 size comparison

Looking at size and weight, the portability grade of the GR III and SD10 is 90 and 54 respectively.

Ricoh GR III vs Sigma SD10 top view buttons comparison

Ricoh GR III vs Sigma SD10 Sensor Comparison

In many cases, it's difficult to picture the gap between sensor dimensions just by reviewing specs. The picture here will provide you a stronger sense of the sensor sizing in the GR III and SD10.

All in all, each of these cameras feature the identical sensor size but different MP. You can expect to see the Ricoh GR III to offer extra detail utilizing its extra 21MP. Greater resolution will let you crop pics way more aggressively. The newer GR III provides an advantage when it comes to sensor tech.

Ricoh GR III vs Sigma SD10 sensor size comparison

Ricoh GR III vs Sigma SD10 Screen and ViewFinder

Ricoh GR III vs Sigma SD10 Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Portrait photography with Ricoh GR III
Portrait photography with Sigma SD10
81
focusing manually
good megapixels (24 megapixels)
good sensor size (APS-C)
features face detect focusing
delivers RAW formats
47
manual focus
sensor size is good (APS-C)
exports RAW formats
does not have liveview
resolution not great (3 megapixels)
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Street Comparison

Ricoh GR III Street photography details
Sigma SD10 Street photography details
84
image stabilization (Sensor-shift)
good sensor size (APS-C)
delivers RAW formats
offers touch to focus
lighter than competition in class (257g)
very good high ISO (102,400)
screen is fixed
43
sensor size is good (APS-C)
exports RAW formats
no articulating screen
does not have image stabilization
heavier than others (950 grams)
low max ISO (800)
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Sports Comparison

Sports photography with Ricoh GR III
Sports photography with Sigma SD10
76
image stabilization (Sensor-shift)
good megapixels (24 megapixels)
good sensor size (APS-C)
features tracking focus
sensor has phase detect AF
can't change focal length (28mm)
36
maximum shutter speed is high (1/6,000s)
sensor size is good (APS-C)
does not have liveview
does not have image stabilization
resolution not great (3MP)
does not have phase detect AF
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Travel Comparison

Ricoh GR III Travel photography highlights
Sigma SD10 Travel photography highlights
69
lighter than competition in class (257g)
offers touch to focus
good megapixels (24MP)
lack of Time Lapse function
does not have selfie friendly display
slow max aperture (f2.8)
29
does not have Time Lapse function
heavier than others (950 grams)
resolution not great (3MP)
display is not selfie friendly
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Landscape Comparison

Landscape photography with Ricoh GR III
Landscape photography with Sigma SD10
69
focusing manually
screen size is good (3")
image stabilization (Sensor-shift)
good megapixels (24 megapixels)
good sensor size (APS-C)
doesnt have low pass filter
very good high ISO (102,400)
delivers RAW formats
lens is fixed (fixed lens mount)
can't change focal length (28mm)
slow max aperture (f2.8)
lack of Time Lapse function
41
manual focus
switch lenses (Sigma SA mount)
sensor size is good (APS-C)
exports RAW formats
tiny screen (1.8")
does not have liveview
does not have image stabilization
resolution not great (3MP)
low max ISO (800)
does not have Time Lapse function
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Vlogging Comparison

Ricoh GR III Vlogging factors
Sigma SD10 Vlogging factors
37
built-in touchscreen
image stabilization (Sensor-shift)
features face detect focusing
great video quality (1920 x 1080 resolution)
lighter than competition in class (257g)
slow max aperture (f2.8)
does not have selfie friendly display
lack of mic port
9
can't shoot video
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Ricoh GR III vs Sigma SD10 Specifications

Detailed spec comparison table for Ricoh GR III and Sigma SD10
 Ricoh GR IIISigma SD10
General Information
Brand Name Ricoh Sigma
Model type Ricoh GR III Sigma SD10
Type Large Sensor Compact Advanced DSLR
Announced 2018-09-25 2004-03-19
Physical type Large Sensor Compact Mid-size SLR
Sensor Information
Sensor type CMOS CMOS (Foveon X3)
Sensor size APS-C APS-C
Sensor dimensions 23.5 x 15.6mm 20.7 x 13.8mm
Sensor surface area 366.6mm² 285.7mm²
Sensor resolution 24 megapixels 3 megapixels
Anti alias filter
Aspect ratio 1:1 and 3:2 3:2
Full resolution 6000 x 4000 2268 x 1512
Max native ISO 102400 800
Max boosted ISO - 1600
Lowest native ISO 100 100
RAW data
Autofocusing
Focus manually
Touch focus
Continuous autofocus
Autofocus single
Autofocus tracking
Autofocus selectice
Autofocus center weighted
Autofocus multi area
Live view autofocus
Face detect autofocus
Contract detect autofocus
Phase detect autofocus
Lens
Lens mount type fixed lens Sigma SA
Lens zoom range 28mm (1x) -
Highest aperture f/2.8-16 -
Macro focusing distance 6cm -
Amount of lenses - 76
Crop factor 1.5 1.7
Screen
Display type Fixed Type Fixed Type
Display size 3 inch 1.8 inch
Resolution of display 1,037k dots 130k dots
Selfie friendly
Liveview
Touch screen
Viewfinder Information
Viewfinder Optical (optional) Optical (pentaprism)
Viewfinder coverage - 98 percent
Viewfinder magnification - 0.77x
Features
Lowest shutter speed 30 seconds 30 seconds
Highest shutter speed 1/4000 seconds 1/6000 seconds
Shutter priority
Aperture priority
Manual mode
Exposure compensation Yes Yes
Set white balance
Image stabilization
Built-in flash
Flash distance no built-in flash no built-in flash
Flash modes Auto, Flash On, Flash On+Red-eye, Slow-speed Sync, Slow Sync+Red-eye -
External flash
AE bracketing
WB bracketing
Highest flash synchronize - 1/180 seconds
Exposure
Multisegment
Average
Spot
Partial
AF area
Center weighted
Video features
Video resolutions 1920 x 1080 @ 60p, MOV, H.264, Linear PCM -
Max video resolution 1920x1080 None
Video data format MPEG-4, H.264 -
Mic support
Headphone support
Connectivity
Wireless Built-In None
Bluetooth
NFC
HDMI
USB Yes USB 1.0 (1.5 Mbit/sec)
GPS None None
Physical
Environment sealing
Water proofing
Dust proofing
Shock proofing
Crush proofing
Freeze proofing
Weight 257 grams (0.57 pounds) 950 grams (2.09 pounds)
Physical dimensions 109 x 62 x 33mm (4.3" x 2.4" x 1.3") 152 x 120 x 79mm (6.0" x 4.7" x 3.1")
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 (10 sec)
Time lapse feature
Type of storage Internal, SD/SDHC/SDXC (UHS-I supported) Compact Flash Type I or II
Card slots One One
Retail pricing $900 $198