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Pentax RZ18 vs Ricoh CX4

Portability
92
Imaging
39
Features
37
Overall
38
Pentax Optio RZ18 front
 
Ricoh CX4 front
Portability
92
Imaging
33
Features
34
Overall
33

Pentax RZ18 vs Ricoh CX4 Key Specs

Pentax RZ18
(Full Review)
  • 16MP - 1/2.3" Sensor
  • 3" Fixed Display
  • ISO 80 - 6400
  • Sensor-shift Image Stabilization
  • 1280 x 720 video
  • 25-450mm (F3.5-5.9) lens
  • 178g - 97 x 61 x 33mm
  • Revealed September 2011
Ricoh CX4
(Full Review)
  • 10MP - 1/2.3" Sensor
  • 3" Fixed Screen
  • 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
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Pentax RZ18 vs Ricoh CX4 Overview

Here, we will be matching up the Pentax RZ18 vs Ricoh CX4, both Small Sensor Superzoom cameras by competitors Pentax and Ricoh. There is a substantial difference among the resolutions of the RZ18 (16MP) and CX4 (10MP) but both cameras posses the identical sensor sizing (1/2.3").

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The RZ18 was released 13 months after the CX4 which makes them a generation away from each other. Each of the cameras feature the same body design (Compact).

Before going into a step-by-step comparison, here is a brief highlight of how the RZ18 matches up versus the CX4 in regards to portability, imaging, features and an overall mark.

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Reasons to pick Pentax RZ18 over the Ricoh CX4

 RZ18 CX4 
ReleasedSeptember 2011August 2010Newer by 13 months

Reasons to pick Ricoh CX4 over the Pentax RZ18

 CX4 RZ18 
Screen resolution920k460kClearer screen (+460k dot)

Common features in the Pentax RZ18 and Ricoh CX4

 RZ18 CX4 
Manual focus Very precise focusing
Screen typeFixed Fixed Fixed screen
Screen size3"3"Same screen measurement
Selfie screen No selfie screen
Touch friendly screen Neither comes with Touch friendly screen

Pentax RZ18 vs Ricoh CX4 Physical Comparison

When you are going to travel with your camera frequently, you'll need to factor in its weight and size. The Pentax RZ18 comes with outside measurements of 97mm x 61mm x 33mm (3.8" x 2.4" x 1.3") with a weight of 178 grams (0.39 lbs) while the Ricoh CX4 has specifications of 102mm x 59mm x 29mm (4.0" x 2.3" x 1.1") with a weight of 205 grams (0.45 lbs).

Check the Pentax RZ18 vs Ricoh CX4 in our completely new Camera plus Lens Size Comparison Tool. Camera Size Comparison with Lenses

Keep in mind, the weight of an ILC will vary based on the lens you are employing during that time. Below is a front view dimension comparison of the RZ18 compared to the CX4.

Pentax RZ18 vs Ricoh CX4 size comparison

Factoring in size and weight, the portability score of the RZ18 and CX4 is 92 and 92 respectively.

Pentax RZ18 vs Ricoh CX4 top view buttons comparison

Pentax RZ18 vs Ricoh CX4 Sensor Comparison

Oftentimes, it's hard to envision the gap in sensor dimensions merely by viewing specs. The picture below might provide you a far better sense of the sensor measurements in the RZ18 and CX4.

All in all, each of the cameras feature the identical sensor size albeit not the same megapixels. You can expect the Pentax RZ18 to result in greater detail as a result of its extra 6 Megapixels. Higher resolution will help you crop pictures way more aggressively. The more recent RZ18 is going to have an advantage with regard to sensor tech.

Pentax RZ18 vs Ricoh CX4 sensor size comparison

Pentax RZ18 vs Ricoh CX4 Screen and ViewFinder

Pentax RZ18 vs Ricoh CX4 Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Pentax RZ18 as a Portrait photography camera
Ricoh CX4 as a Portrait photography camera
36
has manual focus
megapixel count good (16 megapixels)
manual mode not available
external flash not possible
sensor size is tiny (1/2.3")
doesn't have RAW files
26
you can focus manually
no manual control
external flash not possible
megapixel count low (10 megapixels)
very small sensor (1/2.3")
lack of RAW files
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Street Comparison

Pentax RZ18 Street photography details
Ricoh CX4 Street photography details
65
image stabilization (Sensor-shift)
environment proof
lighter than competition (178g)
screen does not articulate
sensor size is tiny (1/2.3")
doesn't have RAW files
60
image stabilization (Sensor-shift)
lighter than competition in class (205g)
fixed screen
very small sensor (1/2.3")
lack of RAW files
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Sports Comparison

Sports photography with Pentax RZ18
Sports photography with Ricoh CX4
47
great zoom range (25-450mm 18.0 x zoom)
image stabilization (Sensor-shift)
megapixel count good (16 megapixels)
features tracking autofocus
environment proof
very slow continuous shooting (1.0 fps)
no shutter priority
sensor size is tiny (1/2.3")
doesn't have phase detect AF
24
image stabilization (Sensor-shift)
continuous shooting slow (5.0 frames per second)
no shutter priority
megapixel count low (10 megapixels)
very small sensor (1/2.3")
lack of phase detect auto focus
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Travel Comparison

Pentax RZ18 Travel photography information
Ricoh CX4 Travel photography information
71
lighter than competition (178 grams)
environment proof
megapixel count good (16 megapixels)
built-in flash
relatively wide (25mm)
very long reach (450mm)
lack of Timelapse function
doesn't feature selfie friendly display
somewhat slow max aperture (f3.5)
66
lighter than competition in class (205 grams)
flash built-in
decently wide (28mm)
very long reach (300mm)
megapixel count low (10MP)
display is not selfie friendly
sluggish max aperture (f3.5)
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Landscape Comparison

Landscape photography with Pentax RZ18
Landscape photography with Ricoh CX4
49
has manual focus
relatively wide (25mm)
nice screen size (3 inches)
image stabilization (Sensor-shift)
megapixel count good (16 megapixels)
environment proof
lens is fixed (fixed lens mount)
somewhat slow max aperture (f3.5)
manual mode not available
sensor size is tiny (1/2.3")
doesn't have RAW files
lack of Timelapse function
42
you can focus manually
decently wide (28mm)
nice screen size (3 inches)
image stabilization (Sensor-shift)
fixed lens (fixed lens mount)
sluggish max aperture (f3.5)
no manual control
megapixel count low (10MP)
very small sensor (1/2.3")
lack of RAW files
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Vlogging Comparison

Pentax RZ18 as a Vlogging camera
Ricoh CX4 as a Vlogging camera
30
relatively wide (25mm)
image stabilization (Sensor-shift)
lighter than competition (178g)
somewhat slow max aperture (f3.5)
doesn't feature selfie friendly display
low quality video (1280 x 720 pixels)
lack of external microphone jack
30
decently wide (28mm)
image stabilization (Sensor-shift)
lighter than competition in class (205g)
sluggish max aperture (f3.5)
display is not selfie friendly
low res video (1280 x 720 pxls)
no mic support
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Pentax RZ18 vs Ricoh CX4 Specifications

Detailed spec comparison table for Pentax RZ18 and Ricoh CX4
 Pentax Optio RZ18Ricoh CX4
General Information
Brand Pentax Ricoh
Model type Pentax Optio RZ18 Ricoh CX4
Type Small Sensor Superzoom Small Sensor Superzoom
Revealed 2011-09-12 2010-08-19
Physical type Compact Compact
Sensor Information
Processor Chip - Smooth Imaging Engine IV
Sensor type CCD BSI-CMOS
Sensor size 1/2.3" 1/2.3"
Sensor dimensions 6.08 x 4.56mm 6.17 x 4.55mm
Sensor area 27.7mm² 28.1mm²
Sensor resolution 16 megapixels 10 megapixels
Anti alias filter
Aspect ratio 1:1, 4:3 and 16:9 1:1, 4:3 and 3:2
Highest Possible resolution 4608 x 3456 3648 x 2736
Maximum native ISO 6400 3200
Min native ISO 80 100
RAW format
Autofocusing
Focus manually
Touch to focus
AF continuous
Single AF
AF tracking
Selective AF
AF center weighted
Multi area AF
AF live view
Face detect focusing
Contract detect focusing
Phase detect focusing
Total focus points 9 -
Cross type focus points - -
Lens
Lens support fixed lens fixed lens
Lens zoom range 25-450mm (18.0x) 28-300mm (10.7x)
Maximal aperture f/3.5-5.9 f/3.5-5.6
Macro focusing distance 4cm 1cm
Focal length multiplier 5.9 5.8
Screen
Display type Fixed Type Fixed Type
Display diagonal 3" 3"
Resolution of display 460 thousand dots 920 thousand dots
Selfie friendly
Liveview
Touch display
Display technology TFT color LCD with Anti-reflective coating -
Viewfinder Information
Viewfinder type None None
Features
Min shutter speed 4s 8s
Max shutter speed 1/2000s 1/2000s
Continuous shutter rate 1.0 frames/s 5.0 frames/s
Shutter priority
Aperture priority
Manual mode
Custom WB
Image stabilization
Inbuilt flash
Flash distance 2.80 m 4.00 m
Flash modes Auto, On, Off, Red-eye, Soft Auto, On, Off, Red-Eye, Slow Sync
External flash
AE bracketing
WB bracketing
Exposure
Multisegment
Average
Spot
Partial
AF area
Center weighted
Video features
Video resolutions 1280 x 720 (30, 15 fps), 640 x 480 (30, 15 fps), 320 x 240 (30, 15 fps) 1280 x 720 (30 fps), 640 x 480 (30 fps), 320 x 240 (30 fps)
Maximum video resolution 1280x720 1280x720
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 proofing
Dust proofing
Shock proofing
Crush proofing
Freeze proofing
Weight 178 grams (0.39 pounds) 205 grams (0.45 pounds)
Physical dimensions 97 x 61 x 33mm (3.8" x 2.4" x 1.3") 102 x 59 x 29mm (4.0" x 2.3" x 1.1")
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 ID D-LI92 DB-100
Self timer Yes (2 or 10 sec) Yes (2, 10 or Custom)
Time lapse recording
Type of storage SD/SDHC/SDXC, Internal SD/SDHC/SDXC card, Internal
Card slots One One
Retail pricing $210 $211