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Pentax I-10 vs Ricoh GR Digital IV

Portability
93
Imaging
35
Features
24
Overall
30
Pentax Optio I-10 front
 
Ricoh GR Digital IV front
Portability
92
Imaging
35
Features
47
Overall
39

Pentax I-10 vs Ricoh GR Digital IV Key Specs

Pentax I-10
(Full Review)
  • 12MP - 1/2.3" Sensor
  • 2.7" Fixed Display
  • ISO 80 - 6400
  • Sensor-shift Image Stabilization
  • 1280 x 720 video
  • 28-140mm (F3.5-5.9) lens
  • 153g - 101 x 65 x 28mm
  • Introduced January 2010
Ricoh GR Digital IV
(Full Review)
  • 10MP - 1/1.7" Sensor
  • 3" Fixed Display
  • ISO 80 - 3200
  • Sensor-shift Image Stabilization
  • 640 x 480 video
  • 28mm (F1.9) lens
  • 190g - 109 x 59 x 33mm
  • Revealed September 2011
  • Superseded the Ricoh GR Digital III
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Pentax I-10 vs Ricoh GR Digital IV Overview

Its time to look closer at the Pentax I-10 vs Ricoh GR Digital IV, both Small Sensor Compact digital cameras by competitors Pentax and Ricoh. The sensor resolution of the I-10 (12MP) and the GR Digital IV (10MP) is very similar but the I-10 (1/2.3") and GR Digital IV (1/1.7") feature totally different sensor sizes.

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The I-10 was announced 19 months prior to the GR Digital IV making the cameras a generation away from each other. Both of the cameras come with the identical body type (Compact).

Before we go in to a step-by-step comparison, below is a concise introduction of how the I-10 matches up against the GR Digital IV when considering portability, imaging, features and an overall score.

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Reasons to pick Pentax I-10 over the Ricoh GR Digital IV

 I-10 GR Digital IV 

Reasons to pick Ricoh GR Digital IV over the Pentax I-10

 GR Digital IV I-10 
RevealedSeptember 2011January 2010More modern by 19 months
Display dimension3"2.7"Larger display (+0.3")
Display resolution1230k230kCrisper display (+1000k dot)

Common features in the Pentax I-10 and Ricoh GR Digital IV

 I-10 GR Digital IV 
Focus manually Dial precise focus
Display typeFixed Fixed Fixed display
Selfie screen Lack of selfie screen
Touch friendly display Neither contains Touch friendly display

Pentax I-10 vs Ricoh GR Digital IV Physical Comparison

If you are planning to carry around your camera often, you'll have to consider its weight and measurements. The Pentax I-10 has got external measurements of 101mm x 65mm x 28mm (4.0" x 2.6" x 1.1") with a weight of 153 grams (0.34 lbs) whilst the Ricoh GR Digital IV has proportions of 109mm x 59mm x 33mm (4.3" x 2.3" x 1.3") and a weight of 190 grams (0.42 lbs).

Examine the Pentax I-10 vs Ricoh GR Digital IV in the new Camera and Lens Size Comparison Tool. Camera Size Comparison with Lenses

Take into account, the weight of an Interchangeable Lens Camera will vary based on the lens you choose at the time. Here is the front view sizing comparison of the I-10 compared to the GR Digital IV.

Pentax I-10 vs Ricoh GR Digital IV size comparison

Considering size and weight, the portability score of the I-10 and GR Digital IV is 93 and 92 respectively.

Pentax I-10 vs Ricoh GR Digital IV top view buttons comparison

Pentax I-10 vs Ricoh GR Digital IV Sensor Comparison

Oftentimes, it can be difficult to see the difference between sensor sizes purely by going over a spec sheet. The image underneath will help provide you a greater sense of the sensor measurements in the I-10 and GR Digital IV.

As you can see, both of those cameras have got different resolutions and different sensor sizes. The I-10 having a tinier sensor will make achieving shallower DOF tougher and the Pentax I-10 will deliver more detail with its extra 2MP. Greater resolution will also enable you to crop pics much more aggressively. The more aged I-10 is going to be behind with regard to sensor technology.

Pentax I-10 vs Ricoh GR Digital IV sensor size comparison

Pentax I-10 vs Ricoh GR Digital IV Screen and ViewFinder

Pentax I-10 vs Ricoh GR Digital IV Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Pentax I-10 Portrait photography details
Ricoh GR Digital IV Portrait photography details
27
has manual focus
no manual control
no external flash support
low megapixels (12MP)
small sensor (1/2.3")
lacks RAW format
41
has manual focus
delivers RAW files
low megapixels (10MP)
sensor is very small (1/1.7")
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Street Comparison

Street photography with Pentax I-10
Street photography with Ricoh GR Digital IV
56
has image stabilization (Sensor-shift)
screen is fixed
small sensor (1/2.3")
lacks RAW format
65
built in image stabilization (Sensor-shift)
delivers RAW files
screen is fixed
sensor is very small (1/1.7")
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Sports Comparison

Pentax I-10 Sports photography features
Ricoh GR Digital IV Sports photography features
31
has image stabilization (Sensor-shift)
features tracking focus
low fps (1.0 frames/s)
no shutter priority mode
low megapixels (12MP)
small sensor (1/2.3")
lacks phase detect autofocus
34
built in image stabilization (Sensor-shift)
great battery life (390 CIPA)
can't change focal length (28mm)
low megapixels (10MP)
sensor is very small (1/1.7")
lacks phase detect autofocus
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Travel Comparison

Pentax I-10 as a Travel photography camera
Ricoh GR Digital IV as a Travel photography camera
57
flash built-in
really wide (28mm)
lack of Timelapse recording
low megapixels (12 megapixels)
does not posses selfie friendly screen
sluggish maximum aperture (f3.5)
67
great battery life (390 per charge)
built-in flash
great max aperture (f1.9)
low megapixels (10 megapixels)
display isn't selfie friendly
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Landscape Comparison

Pentax I-10 Landscape photography advice
Ricoh GR Digital IV Landscape photography advice
36
has manual focus
really wide (28mm)
has image stabilization (Sensor-shift)
fixed lens (fixed lens mount)
sluggish maximum aperture (f3.5)
screen is small (2.7 inch)
no manual control
low megapixels (12 megapixels)
small sensor (1/2.3")
lacks RAW format
lack of Timelapse recording
53
has manual focus
great max aperture (f1.9)
pretty good screen size (3")
built in image stabilization (Sensor-shift)
delivers RAW files
great battery life (390 per charge)
lens is fixed (fixed lens mount)
can't change focal length (28mm)
low megapixels (10MP)
sensor is very small (1/1.7")
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Vlogging Comparison

Pentax I-10 Vlogging advice
Ricoh GR Digital IV Vlogging advice
28
really wide (28mm)
has image stabilization (Sensor-shift)
sluggish maximum aperture (f3.5)
does not posses selfie friendly screen
low quality video (1280 x 720 resolution)
lack of microphone support
29
great max aperture (f1.9)
built in image stabilization (Sensor-shift)
display isn't selfie friendly
low quality video (640 x 480 resolution)
missing mic support
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Pentax I-10 vs Ricoh GR Digital IV Specifications

Detailed spec comparison table for Pentax I-10 and Ricoh GR Digital IV
 Pentax Optio I-10Ricoh GR Digital IV
General Information
Company Pentax Ricoh
Model Pentax Optio I-10 Ricoh GR Digital IV
Category Small Sensor Compact Small Sensor Compact
Introduced 2010-01-25 2011-09-15
Physical type Compact Compact
Sensor Information
Processor Chip Prime -
Sensor type CCD CCD
Sensor size 1/2.3" 1/1.7"
Sensor dimensions 6.17 x 4.55mm 7.44 x 5.58mm
Sensor area 28.1mm² 41.5mm²
Sensor resolution 12 megapixels 10 megapixels
Anti aliasing filter
Aspect ratio 4:3 and 16:9 1:1, 4:3 and 3:2
Peak resolution 4000 x 3000 3648 x 2736
Highest native ISO 6400 3200
Minimum native ISO 80 80
RAW pictures
Autofocusing
Manual focus
Autofocus touch
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
Number of focus points 9 -
Lens
Lens mounting type fixed lens fixed lens
Lens focal range 28-140mm (5.0x) 28mm (1x)
Maximal aperture f/3.5-5.9 f/1.9
Macro focus range 10cm 1cm
Focal length multiplier 5.8 4.8
Screen
Type of display Fixed Type Fixed Type
Display diagonal 2.7" 3"
Display resolution 230 thousand dots 1,230 thousand dots
Selfie friendly
Liveview
Touch operation
Viewfinder Information
Viewfinder None Optical (optional)
Features
Minimum shutter speed 4 secs 1 secs
Fastest shutter speed 1/2000 secs 1/2000 secs
Continuous shutter rate 1.0fps -
Shutter priority
Aperture priority
Expose Manually
Exposure compensation - Yes
Change white balance
Image stabilization
Inbuilt flash
Flash range 4.00 m 3.00 m
Flash options Auto, On, Off, Red-eye, Soft Auto, On, Off, Red-Eye, Slow Sync, Manual
Hot shoe
Auto exposure bracketing
WB bracketing
Exposure
Multisegment metering
Average metering
Spot metering
Partial metering
AF area metering
Center weighted metering
Video features
Supported video resolutions 1280 x 720 (30, 15 fps), 640 x 480 (30, 15 fps), 320 x 240 (30, 15 fps) 640 x 480 (30, 15 fps), 320 x 240 (30, 15 fps)
Highest video resolution 1280x720 640x480
Video format Motion JPEG Motion JPEG
Mic support
Headphone support
Connectivity
Wireless Eye-Fi Connected None
Bluetooth
NFC
HDMI
USB USB 2.0 (480 Mbit/sec) USB 2.0 (480 Mbit/sec)
GPS None None
Physical
Environmental sealing
Water proof
Dust proof
Shock proof
Crush proof
Freeze proof
Weight 153g (0.34 lb) 190g (0.42 lb)
Dimensions 101 x 65 x 28mm (4.0" x 2.6" x 1.1") 109 x 59 x 33mm (4.3" x 2.3" x 1.3")
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 life - 390 photos
Style of battery - Battery Pack
Battery model D-LI92 DB65
Self timer Yes (2 or 10 sec) Yes (2 or 10 sec)
Time lapse recording
Storage type SD/SDHC, Internal SD/SDHC, Internal
Card slots Single Single
Price at release $310 $599