Nikon S640 vs Pentax RZ18
96 Imaging
34 Features
24 Overall
30
92 Imaging
38 Features
37 Overall
37
Nikon S640 vs Pentax RZ18 Key Specs
(Full Review)
- 12MP - 1/2.3" Sensor
- 2.7" Fixed Screen
- ISO 100 - 6400
- Optical Image Stabilization
- 1/8000s Maximum Shutter
- 1280 x 720 video
- 28-140mm (F2.7-6.6) lens
- 130g - 91 x 55 x 21mm
- Revealed August 2009
(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
- Announced September 2011
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Below, we are contrasting the Nikon S640 and Pentax RZ18, one being a Small Sensor Compact and the other is a Small Sensor Superzoom by competitors Nikon and Pentax. There is a crucial difference among the image resolutions of the S640 (12MP) and RZ18 (16MP) but they enjoy the exact same sensor size (1/2.3").
Photobucket discusses licensing 13 billion images with AI firmsThe S640 was manufactured 3 years earlier than the RZ18 and that is a fairly serious gap as far as camera tech is concerned. Both the cameras come with the identical body type (Compact).
Before going straight into a detailed comparison, below is a quick view of how the S640 scores against the RZ18 when it comes to portability, imaging, features and an overall rating.
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Following is a sample of the gallery pictures for Nikon Coolpix S640 and Pentax Optio RZ18. The entire galleries are provided at Nikon S640 Gallery and Pentax RZ18 Gallery.
Reasons to pick Nikon S640 over the Pentax RZ18
| S640 | RZ18 |
|---|
Reasons to pick Pentax RZ18 over the Nikon S640
| RZ18 | S640 | |||
|---|---|---|---|---|
| Announced | September 2011 |  | August 2009 | Fresher by 25 months |
| Manually focus |  | More exact focusing | ||
| Display dimension | 3" |  | 2.7" | Larger display (+0.3") |
| Display resolution | 460k |  | 230k | Sharper display (+230k dot) |
Common features in the Nikon S640 and Pentax RZ18
| S640 | RZ18 | |||
|---|---|---|---|---|
| Display type | Fixed |  | Fixed | Fixed display |
| Selfie screen |  | Neither features selfie screen | ||
| Touch display |  | Neither features Touch display |
Nikon S640 vs Pentax RZ18 Physical Comparison
For those who are going to carry your camera frequently, you have to factor its weight and size. The Nikon S640 enjoys external dimensions of 91mm x 55mm x 21mm (3.6" x 2.2" x 0.8") with a weight of 130 grams (0.29 lbs) and the Pentax RZ18 has specifications of 97mm x 61mm x 33mm (3.8" x 2.4" x 1.3") with a weight of 178 grams (0.39 lbs).
Look at the Nikon S640 and Pentax RZ18 in the all new Camera with Lens Size Comparison Tool.
Bear in mind, the weight of an Interchangeable Lens Camera will differ based on the lens you select at that moment. Here is the front view size comparison of the S640 compared to the RZ18.
Using size and weight, the portability grade of the S640 and RZ18 is 96 and 92 respectively.
Nikon S640 vs Pentax RZ18 Sensor Comparison
Generally, it is very tough to envision the gap in sensor sizing simply by researching technical specs. The photograph underneath will help offer you a much better sense of the sensor dimensions in the S640 and RZ18.
As you have seen, each of these cameras posses the exact same sensor measurements but not the same megapixels. You should anticipate the Pentax RZ18 to result in greater detail due to its extra 4MP. Greater resolution can also allow you to crop pics somewhat more aggressively. The older S640 will be behind in sensor tech.
Nikon S640 vs Pentax RZ18 Screen and ViewFinder
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Nikon S640 vs Pentax RZ18 Specifications
| Nikon Coolpix S640 | Pentax Optio RZ18 | |
|---|---|---|
| General Information | ||
| Brand | Nikon | Pentax |
| Model | Nikon Coolpix S640 | Pentax Optio RZ18 |
| Category | Small Sensor Compact | Small Sensor Superzoom |
| Revealed | 2009-08-04 | 2011-09-12 |
| Physical type | Compact | Compact |
| Sensor Information | ||
| Chip | Expeed | - |
| 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 | 12 megapixels | 16 megapixels |
| Anti aliasing filter | ||
| Aspect ratio | 4:3 and 16:9 | 1:1, 4:3 and 16:9 |
| Highest Possible resolution | 4000 x 3000 | 4608 x 3456 |
| Maximum native ISO | 6400 | 6400 |
| Min native ISO | 100 | 80 |
| RAW photos | ||
| Autofocusing | ||
| Focus manually | ||
| Autofocus touch | ||
| Autofocus continuous | ||
| Single autofocus | ||
| Tracking autofocus | ||
| Selective autofocus | ||
| Autofocus center weighted | ||
| Multi area autofocus | ||
| Autofocus live view | ||
| Face detection autofocus | ||
| Contract detection autofocus | ||
| Phase detection autofocus | ||
| Number of focus points | - | 9 |
| Lens | ||
| Lens mount | fixed lens | fixed lens |
| Lens focal range | 28-140mm (5.0x) | 25-450mm (18.0x) |
| Largest aperture | f/2.7-6.6 | f/3.5-5.9 |
| Macro focus distance | 2cm | 4cm |
| Focal length multiplier | 5.9 | 5.9 |
| Screen | ||
| Screen type | Fixed Type | Fixed Type |
| Screen size | 2.7" | 3" |
| Screen resolution | 230 thousand dots | 460 thousand dots |
| Selfie friendly | ||
| Liveview | ||
| Touch friendly | ||
| Screen tech | - | TFT color LCD with Anti-reflective coating |
| Viewfinder Information | ||
| Viewfinder | None | None |
| Features | ||
| Min shutter speed | 30 seconds | 4 seconds |
| Max shutter speed | 1/8000 seconds | 1/2000 seconds |
| Continuous shutter rate | - | 1.0fps |
| Shutter priority | ||
| Aperture priority | ||
| Manually set exposure | ||
| Custom white balance | ||
| Image stabilization | ||
| Integrated flash | ||
| Flash range | - | 2.80 m |
| Flash modes | - | Auto, On, Off, Red-eye, Soft |
| External flash | ||
| AE bracketing | ||
| 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 fps), 640 x 480 (30 fps), 320 x 240 (30 fps) | 1280 x 720 (30, 15 fps), 640 x 480 (30, 15 fps), 320 x 240 (30, 15 fps) |
| Maximum video resolution | 1280x720 | 1280x720 |
| Video file format | Motion JPEG | Motion JPEG |
| Microphone port | ||
| Headphone port | ||
| Connectivity | ||
| Wireless | None | Eye-Fi Connected |
| 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 | 130g (0.29 lb) | 178g (0.39 lb) |
| Dimensions | 91 x 55 x 21mm (3.6" x 2.2" x 0.8") | 97 x 61 x 33mm (3.8" x 2.4" 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 model | EN-EL12 | D-LI92 |
| Self timer | Yes | Yes (2 or 10 sec) |
| Time lapse recording | ||
| Type of storage | SD/SDHC, Internal | SD/SDHC/SDXC, Internal |
| Card slots | Single | Single |
| Launch cost | $225 | $210 |