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Pentax RZ10 vs Ricoh GR Digital IV

Portability
92
Imaging
37
Features
31
Overall
34
Pentax Optio RZ10 front
 
Ricoh GR Digital IV front
Portability
92
Imaging
35
Features
47
Overall
39

Pentax RZ10 vs Ricoh GR Digital IV Key Specs

Pentax RZ10
(Full Review)
  • 14MP - 1/2.3" Sensor
  • 2.7" Fixed Screen
  • ISO 80 - 6400
  • Sensor-shift Image Stabilization
  • 1280 x 720 video
  • 28-280mm (F3.2-5.9) lens
  • 178g - 97 x 61 x 33mm
  • Launched July 2011
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
  • Released September 2011
  • Replaced the Ricoh GR Digital III
Photography Glossary

Pentax RZ10 vs Ricoh GR Digital IV Overview

Lets examine more closely at the Pentax RZ10 versus Ricoh GR Digital IV, both Small Sensor Compact digital cameras by companies Pentax and Ricoh. There exists a considerable gap between the resolutions of the RZ10 (14MP) and GR Digital IV (10MP) and the RZ10 (1/2.3") and GR Digital IV (1/1.7") come with totally different sensor measurements.

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The RZ10 was launched very close to the GR Digital IV so they are of a similar age. Each of the cameras come with the identical body type (Compact).

Before diving in to a complete comparison, below is a short view of how the RZ10 scores versus the GR Digital IV in regards to portability, imaging, features and an overall mark.

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Reasons to pick Pentax RZ10 over the Ricoh GR Digital IV

 RZ10 GR Digital IV 

Reasons to pick Ricoh GR Digital IV over the Pentax RZ10

 GR Digital IV RZ10 
Display dimension3"2.7"Larger display (+0.3")
Display resolution1230k230kSharper display (+1000k dot)

Common features in the Pentax RZ10 and Ricoh GR Digital IV

 RZ10 GR Digital IV 
ReleasedJuly 2011September 2011Similar age
Manually focus Very exact focusing
Display typeFixed Fixed Fixed display
Selfie screen Absent selfie screen
Touch display Absent Touch display

Pentax RZ10 vs Ricoh GR Digital IV Physical Comparison

If you are planning to travel with your camera often, you are going to need to consider its weight and proportions. The Pentax RZ10 offers physical measurements of 97mm x 61mm x 33mm (3.8" x 2.4" x 1.3") accompanied by a weight of 178 grams (0.39 lbs) and the Ricoh GR Digital IV has measurements of 109mm x 59mm x 33mm (4.3" x 2.3" x 1.3") along with a weight of 190 grams (0.42 lbs).

See the Pentax RZ10 versus Ricoh GR Digital IV in our completely new Camera plus Lens Size Comparison Tool. Camera Size Comparison with Lenses

Take into consideration, the weight of an ILC will change dependant on the lens you have chosen during that time. The following is the front view scale comparison of the RZ10 vs the GR Digital IV.

Pentax RZ10 vs Ricoh GR Digital IV size comparison

Considering dimensions and weight, the portability rating of the RZ10 and GR Digital IV is 92 and 92 respectively.

Pentax RZ10 vs Ricoh GR Digital IV top view buttons comparison

Pentax RZ10 vs Ricoh GR Digital IV Sensor Comparison

Typically, it is tough to envision the gap between sensor dimensions simply by reading technical specs. The image here might provide you a much better sense of the sensor measurements in the RZ10 and GR Digital IV.

As you have seen, the 2 cameras posses different megapixel count and different sensor dimensions. The RZ10 due to its tinier sensor will make shooting shallower DOF tougher and the Pentax RZ10 will offer extra detail utilizing its extra 4MP. Greater resolution will also allow you to crop pics somewhat more aggressively.

Pentax RZ10 vs Ricoh GR Digital IV sensor size comparison

Pentax RZ10 vs Ricoh GR Digital IV Screen and ViewFinder

Pentax RZ10 vs Ricoh GR Digital IV Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Pentax RZ10 as a Portrait photography camera
Ricoh GR Digital IV as a Portrait photography camera
35
manual focus
decent sensor resolution (14 megapixels)
no manual mode
external flash not possible
very small sensor (1/2.3")
lacks RAW format
41
focusing manually
delivers RAW formats
sensor resolution low (10 megapixels)
sensor size is small (1/1.7")
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Street Comparison

Street photography with Pentax RZ10
Street photography with Ricoh GR Digital IV
61
image stabilization (Sensor-shift)
weather proofing
no articulating screen
very small sensor (1/2.3")
lacks RAW format
65
image stabilization (Sensor-shift)
delivers RAW formats
screen is fixed
sensor size is small (1/1.7")
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Sports Comparison

Pentax RZ10 as a Sports photography camera
Ricoh GR Digital IV as a Sports photography camera
40
image stabilization (Sensor-shift)
decent sensor resolution (14MP)
features tracking autofocus
weather proofing
slow frames per second (1.0 frames per second)
no shutter priority mode
very small sensor (1/2.3")
terrible battery life (178 shots)
lacks phase detect auto focus
34
image stabilization (Sensor-shift)
better than average battery life (390 per charge)
can't change focal length (28mm)
sensor resolution low (10MP)
sensor size is small (1/1.7")
lack of phase detect AF
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Travel Comparison

Pentax RZ10 Travel photography details
Ricoh GR Digital IV Travel photography details
66
weather proofing
decent sensor resolution (14 megapixels)
built-in flash
reasonably wide (28mm)
great zoom (280mm)
no Time Lapse function
terrible battery life (178 CIPA)
does not offer selfie friendly screen
slow max aperture (f3.2)
67
better than average battery life (390 CIPA)
flash built-in
good maximum aperture (f1.9)
sensor resolution low (10MP)
screen is not selfie friendly
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Landscape Comparison

Pentax RZ10 Landscape photography info
Ricoh GR Digital IV Landscape photography info
43
manual focus
reasonably wide (28mm)
image stabilization (Sensor-shift)
decent sensor resolution (14MP)
weather proofing
fixed lens (fixed lens mount)
slow max aperture (f3.2)
tiny screen (2.7 inch)
no manual mode
very small sensor (1/2.3")
lacks RAW format
terrible battery life (178 shots)
no Time Lapse function
53
focusing manually
good maximum aperture (f1.9)
decent sized screen (3")
image stabilization (Sensor-shift)
delivers RAW formats
better than average battery life (390 CIPA)
lens is fixed (fixed lens mount)
can't change focal length (28mm)
sensor resolution low (10 megapixels)
sensor size is small (1/1.7")
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Vlogging Comparison

Pentax RZ10 as a Vlogging camera
Ricoh GR Digital IV as a Vlogging camera
28
reasonably wide (28mm)
image stabilization (Sensor-shift)
slow max aperture (f3.2)
does not offer selfie friendly screen
low res video (1280 x 720 resolution)
no external mic support
29
good maximum aperture (f1.9)
image stabilization (Sensor-shift)
screen is not selfie friendly
low res video (640 x 480 pxls)
missing mic jack
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Pentax RZ10 vs Ricoh GR Digital IV Specifications

Detailed spec comparison table for Pentax RZ10 and Ricoh GR Digital IV
 Pentax Optio RZ10Ricoh GR Digital IV
General Information
Make Pentax Ricoh
Model type Pentax Optio RZ10 Ricoh GR Digital IV
Category Small Sensor Compact Small Sensor Compact
Launched 2011-07-19 2011-09-15
Body design Compact Compact
Sensor Information
Sensor type CCD CCD
Sensor size 1/2.3" 1/1.7"
Sensor dimensions 6.08 x 4.56mm 7.44 x 5.58mm
Sensor surface area 27.7mm² 41.5mm²
Sensor resolution 14 megapixels 10 megapixels
Anti alias filter
Aspect ratio 1:1, 4:3 and 16:9 1:1, 4:3 and 3:2
Peak resolution 4288 x 3216 3648 x 2736
Highest native ISO 6400 3200
Minimum native ISO 80 80
RAW images
Autofocusing
Manual focusing
AF touch
AF continuous
Single AF
AF tracking
AF selectice
AF center weighted
Multi area AF
Live view AF
Face detection focusing
Contract detection focusing
Phase detection focusing
Total focus points 9 -
Lens
Lens mount type fixed lens fixed lens
Lens zoom range 28-280mm (10.0x) 28mm (1x)
Maximal aperture f/3.2-5.9 f/1.9
Macro focusing distance 1cm 1cm
Focal length multiplier 5.9 4.8
Screen
Range of screen Fixed Type Fixed Type
Screen size 2.7" 3"
Screen resolution 230 thousand dot 1,230 thousand dot
Selfie friendly
Liveview
Touch screen
Screen technology TFT color LCD with Anti-reflective coating -
Viewfinder Information
Viewfinder None Optical (optional)
Features
Minimum shutter speed 4s 1s
Fastest shutter speed 1/2000s 1/2000s
Continuous shutter speed 1.0 frames/s -
Shutter priority
Aperture priority
Manual exposure
Exposure compensation - Yes
Change WB
Image stabilization
Integrated flash
Flash distance 2.80 m 3.00 m
Flash options Auto, On, Off, Red-eye, Soft Auto, On, Off, Red-Eye, Slow Sync, Manual
Hot shoe
AEB
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 file format Motion JPEG Motion JPEG
Mic input
Headphone input
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 seal
Water proofing
Dust proofing
Shock proofing
Crush proofing
Freeze proofing
Weight 178 gr (0.39 lb) 190 gr (0.42 lb)
Dimensions 97 x 61 x 33mm (3.8" x 2.4" x 1.3") 109 x 59 x 33mm (4.3" x 2.3" x 1.3")
DXO scores
DXO Overall 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
Battery life 178 images 390 images
Battery format Battery Pack Battery Pack
Battery ID D-LI92 DB65
Self timer Yes (2 or 10 sec) Yes (2 or 10 sec)
Time lapse feature
Storage media SD/SDHC, Internal SD/SDHC, Internal
Storage slots One One
Price at release $200 $599