Pentax RZ18 vs Ricoh CX4
92 Imaging
39 Features
37 Overall
38


92 Imaging
33 Features
34 Overall
33
Pentax RZ18 vs Ricoh CX4 Key Specs
(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
(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

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").

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.

Pentax RZ18 vs Ricoh CX4 Gallery
Below is a preview of the gallery images for Pentax Optio RZ18 & Ricoh CX4. The complete galleries are provided at Pentax RZ18 Gallery & Ricoh CX4 Gallery.
Reasons to pick Pentax RZ18 over the Ricoh CX4
RZ18 | CX4 | |||
---|---|---|---|---|
Released | September 2011 | ![]() | August 2010 | Newer by 13 months |
Reasons to pick Ricoh CX4 over the Pentax RZ18
CX4 | RZ18 | |||
---|---|---|---|---|
Screen resolution | 920k | ![]() | 460k | Clearer screen (+460k dot) |
Common features in the Pentax RZ18 and Ricoh CX4
RZ18 | CX4 | |||
---|---|---|---|---|
Manual focus | ![]() | Very precise focusing | ||
Screen type | Fixed | ![]() | Fixed | Fixed screen |
Screen size | 3" | ![]() | 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.
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.

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

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 Screen and ViewFinder


Photography Type Scores
Portrait Comparison

Street Comparison

Sports Comparison

Travel Comparison

Landscape Comparison

Vlogging Comparison

Pentax RZ18 vs Ricoh CX4 Specifications
Pentax Optio RZ18 | Ricoh 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 |