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Pentax RZ18 vs Sony W650

Portability
92
Imaging
39
Features
37
Overall
38
Pentax Optio RZ18 front
 
Sony Cyber-shot DSC-W650 front
Portability
96
Imaging
39
Features
32
Overall
36

Pentax RZ18 vs Sony W650 Key Specs

Pentax RZ18
(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
  • Released September 2011
Sony W650
(Full Review)
  • 16MP - 1/2.3" Sensor
  • 3" Fixed Display
  • ISO 80 - 3200
  • Optical Image Stabilization
  • 1280 x 720 video
  • 25-125mm (F2.6-6.3) lens
  • 124g - 94 x 56 x 19mm
  • Revealed January 2012
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Pentax RZ18 vs Sony W650 Overview

Below is a thorough review of the Pentax RZ18 vs Sony W650, one being a Small Sensor Superzoom and the other is a Small Sensor Compact by rivals Pentax and Sony. The resolution of the RZ18 (16MP) and the W650 (16MP) is very well matched and they possess the exact same sensor dimensions (1/2.3").

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The RZ18 was introduced 4 months earlier than the W650 so they are both of a similar generation. Both of the cameras come with the identical body type (Compact).

Before delving through a in depth comparison, below is a brief introduction of how the RZ18 grades vs the W650 with respect to portability, imaging, features and an overall grade.

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Reasons to pick Pentax RZ18 over the Sony W650

 RZ18 W650 
Manual focus More accurate focus
Display resolution460k230kSharper display (+230k dot)

Reasons to pick Sony W650 over the Pentax RZ18

 W650 RZ18 

Common features in the Pentax RZ18 and Sony W650

 RZ18 W650 
RevealedSeptember 2011January 2012Similar generation
Display typeFixed Fixed Fixed display
Display dimension3"3"Identical display sizing
Selfie screen Absent selfie screen
Touch display Absent Touch display

Pentax RZ18 vs Sony W650 Physical Comparison

If you're aiming to lug around your camera, you'll have to think about its weight and volume. The Pentax RZ18 offers external dimensions of 97mm x 61mm x 33mm (3.8" x 2.4" x 1.3") along with a weight of 178 grams (0.39 lbs) while the Sony W650 has sizing of 94mm x 56mm x 19mm (3.7" x 2.2" x 0.7") along with a weight of 124 grams (0.27 lbs).

Compare the Pentax RZ18 vs Sony W650 in the latest Camera and Lens Size Comparison Tool. Camera Size Comparison with Lenses

Do not forget, the weight of an Interchangeable Lens Camera will differ based on the lens you use at that time. Below is the front view dimensions comparison of the RZ18 against the W650.

Pentax RZ18 vs Sony W650 size comparison

Looking at dimensions and weight, the portability grade of the RZ18 and W650 is 92 and 96 respectively.

Pentax RZ18 vs Sony W650 top view buttons comparison

Pentax RZ18 vs Sony W650 Sensor Comparison

Normally, it can be hard to visualise the contrast between sensor measurements just by checking technical specs. The photograph underneath might give you a better sense of the sensor sizes in the RZ18 and W650.

As you can tell, both of those cameras have got the exact same sensor measurements and the identical megapixels so you should expect similar quality of photographs but you might want to factor the production date of the products into consideration.

Pentax RZ18 vs Sony W650 sensor size comparison

Pentax RZ18 vs Sony W650 Screen and ViewFinder

Pentax RZ18 vs Sony W650 Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Pentax RZ18 Portrait photography advice
Sony W650 Portrait photography advice
36
focusing manually
decent MP (16 megapixels)
manual exposure not available
no external flash support
sensor size is very small (1/2.3")
has no RAW support
34
megapixel count decent (16MP)
offers face detection focus
no manual focus
no manual control
can't use external flash
sensor is very small (1/2.3")
lack of RAW files
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Street Comparison

Pentax RZ18 Street photography features
Sony W650 Street photography features
65
built in image stabilization (Sensor-shift)
environment sealing
lighter than others (178g)
screen is fixed
sensor size is very small (1/2.3")
has no RAW support
63
has image stabilization (Optical)
lighter than average in class (124 grams)
no moving screen
sensor is very small (1/2.3")
lack of RAW files
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Sports Comparison

Pentax RZ18 Sports photography advice
Sony W650 Sports photography advice
47
amazing zoom range (25-450mm 18.0 x zoom)
built in image stabilization (Sensor-shift)
decent MP (16MP)
comes with tracking autofocus
environment sealing
max frames per second low (1.0 frames per second)
lack of shutter priority mode
sensor size is very small (1/2.3")
has no phase detect auto focus
40
has image stabilization (Optical)
megapixel count decent (16 megapixels)
offers tracking autofocus
max frames per second very slow (1.0 fps)
no shutter priority mode
sensor is very small (1/2.3")
lack of phase detect auto focus
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Travel Comparison

Travel photography with Pentax RZ18
Travel photography with Sony W650
71
lighter than others (178 grams)
environment sealing
decent MP (16MP)
flash built-in
reasonably wide (25mm)
long zoom (450mm)
lack of Timelapse mode
doesn't feature selfie friendly screen
somewhat slow max aperture (f3.5)
69
lighter than average in class (124 grams)
megapixel count decent (16MP)
built-in flash
really wide (25mm)
lack of Timelapse recording
doesn't have a selfie friendly screen
sluggish max aperture (f2.6)
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Landscape Comparison

Pentax RZ18 as a Landscape photography camera
Sony W650 as a Landscape photography camera
49
focusing manually
reasonably wide (25mm)
pretty good screen size (3 inches)
built in image stabilization (Sensor-shift)
decent MP (16 megapixels)
environment sealing
cannot swap lenses (fixed lens mount)
somewhat slow max aperture (f3.5)
manual exposure not available
sensor size is very small (1/2.3")
has no RAW support
lack of Timelapse mode
43
really wide (25mm)
screen size is good (3")
has image stabilization (Optical)
megapixel count decent (16MP)
no manual focus
lens is fixed (fixed lens mount)
sluggish max aperture (f2.6)
no manual control
sensor is very small (1/2.3")
lack of RAW files
lack of Timelapse recording
Photography Glossary

Vlogging Comparison

Pentax RZ18 as a Vlogging camera
Sony W650 as a Vlogging camera
30
reasonably wide (25mm)
built in image stabilization (Sensor-shift)
lighter than others (178g)
somewhat slow max aperture (f3.5)
doesn't feature selfie friendly screen
low video resolution (1280 x 720 pixels)
lack of external microphone jack
33
really wide (25mm)
has image stabilization (Optical)
offers face detection focus
lighter than average in class (124g)
sluggish max aperture (f2.6)
doesn't have a selfie friendly screen
video resolution low (1280 x 720 resolution)
lack of external microphone socket
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Pentax RZ18 vs Sony W650 Specifications

Detailed spec comparison table for Pentax RZ18 and Sony W650
 Pentax Optio RZ18Sony Cyber-shot DSC-W650
General Information
Company Pentax Sony
Model Pentax Optio RZ18 Sony Cyber-shot DSC-W650
Category Small Sensor Superzoom Small Sensor Compact
Released 2011-09-12 2012-01-10
Physical type Compact Compact
Sensor Information
Chip - BIONZ
Sensor type CCD CCD
Sensor size 1/2.3" 1/2.3"
Sensor measurements 6.08 x 4.56mm 6.17 x 4.55mm
Sensor surface area 27.7mm² 28.1mm²
Sensor resolution 16 megapixel 16 megapixel
Anti aliasing filter
Aspect ratio 1:1, 4:3 and 16:9 4:3 and 16:9
Full resolution 4608 x 3456 4608 x 3456
Max native ISO 6400 3200
Min native ISO 80 80
RAW data
Autofocusing
Focus manually
AF touch
AF continuous
AF single
Tracking AF
AF selectice
Center weighted AF
Multi area AF
Live view AF
Face detection focusing
Contract detection focusing
Phase detection focusing
Number of focus points 9 -
Cross focus points - -
Lens
Lens mounting type fixed lens fixed lens
Lens focal range 25-450mm (18.0x) 25-125mm (5.0x)
Max aperture f/3.5-5.9 f/2.6-6.3
Macro focus distance 4cm 5cm
Crop factor 5.9 5.8
Screen
Type of screen Fixed Type Fixed Type
Screen sizing 3 inch 3 inch
Resolution of screen 460k dots 230k dots
Selfie friendly
Liveview
Touch friendly
Screen tech TFT color LCD with Anti-reflective coating Clear Photo TFT LCD
Viewfinder Information
Viewfinder type None None
Features
Slowest shutter speed 4 seconds 2 seconds
Maximum shutter speed 1/2000 seconds 1/1600 seconds
Continuous shooting rate 1.0 frames/s 1.0 frames/s
Shutter priority
Aperture priority
Manually set exposure
Set WB
Image stabilization
Built-in flash
Flash range 2.80 m 3.70 m
Flash modes Auto, On, Off, Red-eye, Soft Auto, On, Off, Slow Sync
Hot shoe
AE bracketing
WB bracketing
Exposure
Multisegment exposure
Average exposure
Spot exposure
Partial exposure
AF area exposure
Center weighted exposure
Video features
Supported 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)
Max video resolution 1280x720 1280x720
Video data format Motion JPEG MPEG-4, H.264
Microphone port
Headphone port
Connectivity
Wireless Eye-Fi Connected Eye-Fi Connected
Bluetooth
NFC
HDMI
USB USB 2.0 (480 Mbit/sec) USB 2.0 (480 Mbit/sec)
GPS None None
Physical
Environment sealing
Water proof
Dust proof
Shock proof
Crush proof
Freeze proof
Weight 178g (0.39 lb) 124g (0.27 lb)
Dimensions 97 x 61 x 33mm (3.8" x 2.4" x 1.3") 94 x 56 x 19mm (3.7" x 2.2" x 0.7")
DXO scores
DXO All around 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 life - 220 images
Battery type - Battery Pack
Battery model D-LI92 NP-BN
Self timer Yes (2 or 10 sec) Yes (2 or 10 sec, Portrait 1/2)
Time lapse shooting
Storage type SD/SDHC/SDXC, Internal SD/SDHC/SDXC, microSD/micro SDHC, Memory Stick Duo/Memory Stick Pro Duo, Memory Stick Pro-HG Duo
Card slots Single Single
Price at launch $210 $140