Pentax RZ18 vs Samsung HZ25W
Portability
92 Imaging
39 Features
37 Overall
38
92 Imaging
39 Features
37 Overall
38
Portability
70 Imaging
35 Features
32 Overall
33
70 Imaging
35 Features
32 Overall
33
Pentax RZ18 vs Samsung HZ25W Key Specs
Pentax RZ18
(Full Review)
(Full Review)
- 16MP - 1/2.3" Sensor
- 3" Fixed Screen
- ISO 80 - 6400
- Sensor-shift Image Stabilization
- 1280 x 720 video
- 25-450mm (F3.5-5.9) lens
- 178g - 97 x 61 x 33mm
- Launched September 2011
Samsung HZ25W
(Full Review)
(Full Review)
- 12MP - 1/2.3" Sensor
- 3" Fixed Display
- ISO 64 - 3200 (Increase to 6400)
- Optical Image Stabilization
- 1280 x 720 video
- 26-624mm (F2.8-5.0) lens
- 428g - 116 x 83 x 92mm
- Released July 2010
- Other Name is WB5000
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Let's look more in depth at the Pentax RZ18 vs Samsung HZ25W, both Small Sensor Superzoom cameras by rivals Pentax and Samsung. There exists a huge gap among the image resolutions of the RZ18 (16MP) and HZ25W (12MP) but both cameras have the same sensor sizes (1/2.3").
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Before getting straight to a in-depth comparison, here is a simple summation of how the RZ18 matches up against the HZ25W when considering portability, imaging, features and an overall rating.
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Below is a sample of the gallery pictures for Pentax Optio RZ18 and Samsung HZ25W. The entire galleries are provided at Pentax RZ18 Gallery and Samsung HZ25W Gallery.
Reasons to pick Pentax RZ18 over the Samsung HZ25W
| RZ18 | HZ25W | |||
|---|---|---|---|---|
| Released | September 2011 |  | July 2010 | Fresher by 15 months |
| Display resolution | 460k |  | 230k | Sharper display (+230k dot) |
Reasons to pick Samsung HZ25W over the Pentax RZ18
| HZ25W | RZ18 |
|---|
Common features in the Pentax RZ18 and Samsung HZ25W
| RZ18 | HZ25W | |||
|---|---|---|---|---|
| Manual focus |  | Dial exact focusing | ||
| Display type | Fixed |  | Fixed | Fixed display |
| Display dimensions | 3" |  | 3" | Equal display dimensions |
| Selfie screen |  | Neither provides selfie screen | ||
| Touch friendly display |  | Neither provides Touch friendly display |
Pentax RZ18 vs Samsung HZ25W Physical Comparison
For anyone who is intending to carry your camera frequently, you will have to think about its weight and size. The Pentax RZ18 provides physical measurements of 97mm x 61mm x 33mm (3.8" x 2.4" x 1.3") with a weight of 178 grams (0.39 lbs) and the Samsung HZ25W has specifications of 116mm x 83mm x 92mm (4.6" x 3.3" x 3.6") with a weight of 428 grams (0.94 lbs).
See the Pentax RZ18 vs Samsung HZ25W in the latest Camera with Lens Size Comparison Tool.
Bear in mind, the weight of an Interchangeable Lens Camera will vary based on the lens you have attached at that moment. The following is a front view physical size comparison of the RZ18 and the HZ25W.
Factoring in dimensions and weight, the portability score of the RZ18 and HZ25W is 92 and 70 respectively.
Pentax RZ18 vs Samsung HZ25W Sensor Comparison
Quite often, it is tough to imagine the difference in sensor sizing just by viewing a spec sheet. The graphic below should give you a greater sense of the sensor measurements in the RZ18 and HZ25W.
As you can see, each of these cameras have the same sensor dimensions but different megapixels. You should anticipate the Pentax RZ18 to render extra detail due to its extra 4MP. Greater resolution can also help you crop pics a bit more aggressively. The fresher RZ18 should have an edge in sensor tech.
Pentax RZ18 vs Samsung HZ25W Screen and ViewFinder
Photography Glossary Photography Type Scores
Portrait Comparison
Pentax RZ18 as a Portrait photography camera
Samsung HZ25W as a Portrait photography camera
manual focus
MP count decent (16 megapixels)
no manual exposure
can't use external flash
sensor is small (1/2.3")
doesn't have RAW format
manual focus
saves RAW formats
no manual control
no external flash support
MP count low (12 megapixels)
sensor is very small (1/2.3")
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Pentax RZ18 as a Street photography camera
Samsung HZ25W as a Street photography camera
image stabilization (Sensor-shift)
environment proof
lighter than competition in class (178 grams)
no moving screen
sensor is small (1/2.3")
doesn't have RAW format
built in image stabilization (Optical)
saves RAW formats
fixed screen
sensor is very small (1/2.3")
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Sports photography with Pentax RZ18
Sports photography with Samsung HZ25W
amazing zoom range (25-450mm 18.0 x zoom)
image stabilization (Sensor-shift)
MP count decent (16MP)
offers tracking focus
environment proof
continuous shooting slow (1.0 frames/s)
no shutter priority
sensor is small (1/2.3")
doesn't have phase detect AF
long zoom range (26-624mm 24.0 x zoom)
built in image stabilization (Optical)
lack of shutter priority mode
MP count low (12 megapixels)
sensor is very small (1/2.3")
lacks phase detect auto focus
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Travel photography with Pentax RZ18
Travel photography with Samsung HZ25W
lighter than competition in class (178g)
environment proof
MP count decent (16MP)
flash built-in
reasonably wide (25mm)
very long reach (450mm)
doesn't have Timelapse mode
does not have a selfie friendly screen
slow maximum aperture (f3.5)
has built in flash
really wide (26mm)
great reach (624mm)
missing Timelapse function
MP count low (12 megapixels)
doesn't offer selfie friendly screen
sluggish max aperture (f2.8)
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Pentax RZ18 Landscape photography information
Samsung HZ25W Landscape photography information
manual focus
reasonably wide (25mm)
screen is a decent size (3 inch)
image stabilization (Sensor-shift)
MP count decent (16 megapixels)
environment proof
can't change lenses (fixed lens mount)
slow maximum aperture (f3.5)
no manual exposure
sensor is small (1/2.3")
doesn't have RAW format
doesn't have Timelapse mode
manual focus
really wide (26mm)
pretty good screen size (3")
built in image stabilization (Optical)
saves RAW formats
lens is fixed (fixed lens mount)
sluggish max aperture (f2.8)
no manual control
MP count low (12MP)
sensor is very small (1/2.3")
missing Timelapse function
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Pentax RZ18 Vlogging info
Samsung HZ25W Vlogging info
reasonably wide (25mm)
image stabilization (Sensor-shift)
lighter than competition in class (178 grams)
slow maximum aperture (f3.5)
does not have a selfie friendly screen
low quality video (1280 x 720 pixels)
doesn't have microphone support
really wide (26mm)
built in image stabilization (Optical)
sluggish max aperture (f2.8)
doesn't offer selfie friendly screen
video quality not great (1280 x 720 pixels)
missing microphone support
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Pentax RZ18 vs Samsung HZ25W Specifications
| Pentax Optio RZ18 | Samsung HZ25W | |
|---|---|---|
| General Information | ||
| Brand Name | Pentax | Samsung |
| Model type | Pentax Optio RZ18 | Samsung HZ25W |
| Also called as | - | WB5000 |
| Class | Small Sensor Superzoom | Small Sensor Superzoom |
| Launched | 2011-09-12 | 2010-07-06 |
| Physical type | Compact | Compact |
| Sensor Information | ||
| Sensor type | CCD | CCD |
| Sensor size | 1/2.3" | 1/2.3" |
| Sensor measurements | 6.08 x 4.56mm | 6.08 x 4.56mm |
| Sensor surface area | 27.7mm² | 27.7mm² |
| Sensor resolution | 16 megapixels | 12 megapixels |
| Anti alias filter | ||
| Aspect ratio | 1:1, 4:3 and 16:9 | 4:3 and 16:9 |
| Full resolution | 4608 x 3456 | 4000 x 3000 |
| Max native ISO | 6400 | 3200 |
| Max boosted ISO | - | 6400 |
| Minimum native ISO | 80 | 64 |
| RAW pictures | ||
| Autofocusing | ||
| Focus manually | ||
| Autofocus touch | ||
| Autofocus continuous | ||
| Autofocus single | ||
| Tracking autofocus | ||
| Autofocus selectice | ||
| Center weighted autofocus | ||
| Multi area autofocus | ||
| Live view autofocus | ||
| Face detection autofocus | ||
| Contract detection autofocus | ||
| Phase detection autofocus | ||
| Total focus points | 9 | - |
| Lens | ||
| Lens mount type | fixed lens | fixed lens |
| Lens zoom range | 25-450mm (18.0x) | 26-624mm (24.0x) |
| Largest aperture | f/3.5-5.9 | f/2.8-5.0 |
| Macro focusing distance | 4cm | 10cm |
| Focal length multiplier | 5.9 | 5.9 |
| Screen | ||
| Screen type | Fixed Type | Fixed Type |
| Screen size | 3 inch | 3 inch |
| Screen resolution | 460k dots | 230k dots |
| Selfie friendly | ||
| Liveview | ||
| Touch functionality | ||
| Screen tech | TFT color LCD with Anti-reflective coating | - |
| Viewfinder Information | ||
| Viewfinder | None | None |
| Features | ||
| Slowest shutter speed | 4 seconds | 16 seconds |
| Maximum shutter speed | 1/2000 seconds | 1/2000 seconds |
| Continuous shooting rate | 1.0 frames/s | - |
| Shutter priority | ||
| Aperture priority | ||
| Expose Manually | ||
| Set white balance | ||
| Image stabilization | ||
| Built-in flash | ||
| Flash distance | 2.80 m | 5.60 m |
| Flash settings | Auto, On, Off, Red-eye, Soft | Auto, On, Off, Red-Eye, Fill-in, Slow Sync |
| External flash | ||
| AEB | ||
| WB bracketing | ||
| Exposure | ||
| Multisegment metering | ||
| Average metering | ||
| Spot metering | ||
| Partial metering | ||
| AF area metering | ||
| Center weighted metering | ||
| 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, 15 fps), 640 x 480 (30, 15 fps), 320 x 240 (60, 30 fps) |
| Max video resolution | 1280x720 | 1280x720 |
| Video format | Motion JPEG | Motion JPEG |
| Microphone 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 gr (0.39 lb) | 428 gr (0.94 lb) |
| Physical dimensions | 97 x 61 x 33mm (3.8" x 2.4" x 1.3") | 116 x 83 x 92mm (4.6" x 3.3" x 3.6") |
| 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 | ||
| Battery ID | D-LI92 | - |
| Self timer | Yes (2 or 10 sec) | Yes (2 or 10 sec, Double) |
| Time lapse recording | ||
| Type of storage | SD/SDHC/SDXC, Internal | SC/SDHC, Internal |
| Card slots | Single | Single |
| Launch pricing | $210 | $350 |