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Pentax 645Z vs Sony W650

Portability
49
Imaging
81
Features
74
Overall
78
Pentax 645Z front
 
Sony Cyber-shot DSC-W650 front
Portability
96
Imaging
39
Features
32
Overall
36

Pentax 645Z vs Sony W650 Key Specs

Pentax 645Z
(Full Review)
  • 51MP - Medium format Sensor
  • 3.2" Tilting Display
  • ISO 100 - 204800
  • No Anti-Alias Filter
  • 1920 x 1080 video
  • Pentax 645AF2 Mount
  • 1550g - 156 x 117 x 123mm
  • Announced April 2014
  • Replaced the Pentax 645D
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
  • Released January 2012
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Pentax 645Z vs Sony W650 Overview

Following is a in depth overview of the Pentax 645Z vs Sony W650, one is a Pro DSLR and the other is a Small Sensor Compact by manufacturers Pentax and Sony. There is a huge difference among the sensor resolutions of the 645Z (51MP) and W650 (16MP) and the 645Z (Medium format) and W650 (1/2.3") come with totally different sensor sizing.

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The 645Z was unveiled 2 years after the W650 which is a fairly significant gap as far as camera tech is concerned. Both of these cameras come with different body type with the Pentax 645Z being a Large SLR camera and the Sony W650 being a Compact camera.

Before we go straight into a step-by-step comparison, below is a short summary of how the 645Z scores vs the W650 with respect to portability, imaging, features and an overall score.

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Reasons to pick Pentax 645Z over the Sony W650

 645Z W650 
ReleasedApril 2014January 2012More modern by 28 months
Manually focus Dial precise focus
Display typeTiltingFixed Tilting display
Display dimension3.2"3"Larger display (+0.2")
Display resolution1037k230kCrisper display (+807k dot)

Reasons to pick Sony W650 over the Pentax 645Z

 W650 645Z 

Common features in the Pentax 645Z and Sony W650

 645Z W650 
Selfie screen No selfie screen
Touch friendly display Neither has Touch friendly display

Pentax 645Z vs Sony W650 Physical Comparison

For anybody who is aiming to carry around your camera frequently, you need to think about its weight and volume. The Pentax 645Z has outer dimensions of 156mm x 117mm x 123mm (6.1" x 4.6" x 4.8") accompanied by a weight of 1550 grams (3.42 lbs) whilst the Sony W650 has sizing of 94mm x 56mm x 19mm (3.7" x 2.2" x 0.7") with a weight of 124 grams (0.27 lbs).

Analyze the Pentax 645Z vs Sony W650 in the latest Camera with Lens Size Comparison Tool. Camera Size Comparison with Lenses

Don't forget, the weight of an Interchangeable Lens Camera will differ dependant on the lens you have during that time. The following is the front view scale comparison of the 645Z versus the W650.

Pentax 645Z vs Sony W650 size comparison

Taking into account size and weight, the portability rating of the 645Z and W650 is 49 and 96 respectively.

Pentax 645Z vs Sony W650 top view buttons comparison

Pentax 645Z vs Sony W650 Sensor Comparison

Oftentimes, it's difficult to envision the gap in sensor sizes just by going through specs. The pic here should offer you a greater sense of the sensor dimensions in the 645Z and W650.

All in all, both of these cameras posses different megapixel count and different sensor sizes. The 645Z using its larger sensor will make achieving shallower DOF less difficult and the Pentax 645Z will show greater detail having an extra 35MP. Greater resolution can also let you crop images somewhat more aggressively. The fresher 645Z will have an advantage in sensor tech.

Pentax 645Z vs Sony W650 sensor size comparison

Pentax 645Z vs Sony W650 Screen and ViewFinder

Pentax 645Z vs Sony W650 Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Pentax 645Z Portrait photography details
Sony W650 Portrait photography details
88
manual focus
resolution is excellent (51MP)
great sensor size (Medium format)
provides face detect autofocus
exports RAW formats
34
MP count good (16MP)
has face detect focus
lack of manual focus
lack of manual exposure
external flash not possible
tiny sensor size (1/2.3")
does not have RAW files
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Street Comparison

Pentax 645Z as a Street photography camera
Sony W650 as a Street photography camera
63
tilting screen
great sensor size (Medium format)
exports RAW formats
weather proof
good ISO range (204,800)
does not have image stabilization
heavier than average in class (1,550 grams)
63
image stabilization (Optical)
lighter than competition in class (124g)
no articulating screen
tiny sensor size (1/2.3")
does not have RAW files
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Sports Comparison

Pentax 645Z as a Sports photography camera
Sony W650 as a Sports photography camera
71
resolution is excellent (51MP)
great sensor size (Medium format)
provides tracking focus
weather proof
supports phase detect autofocus
max frames per second very slow (3.0 fps)
does not have image stabilization
low battery power (650 shots)
40
image stabilization (Optical)
MP count good (16MP)
has tracking focus
slow fps (1.0 frames/s)
lack of shutter priority mode
tiny sensor size (1/2.3")
does not have phase detect auto focus
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Travel Comparison

Pentax 645Z Travel photography info
Sony W650 Travel photography info
51
weather proof
resolution is excellent (51MP)
low battery power (650 shots)
heavier than average in class (1,550g)
display is not selfie friendly
69
lighter than competition in class (124 grams)
MP count good (16MP)
built-in flash
quite wide (25mm)
no Timelapse function
display isn't selfie friendly
somewhat slow maximum aperture (f2.6)
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Landscape Comparison

Pentax 645Z Landscape photography features
Sony W650 Landscape photography features
78
manual focus
switch lenses (Pentax 645AF2 mount)
screen is a good size (3.2 inches)
resolution is excellent (51MP)
great sensor size (Medium format)
doesnt have anti-alias filter
good ISO range (204,800)
exports RAW formats
weather proof
has dual storage slots
does not have image stabilization
low battery power (650 per charge)
43
quite wide (25mm)
pretty good screen size (3")
image stabilization (Optical)
MP count good (16MP)
lack of manual focus
cannot change lens (fixed lens mount)
somewhat slow maximum aperture (f2.6)
lack of manual exposure
tiny sensor size (1/2.3")
does not have RAW files
no Timelapse function
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Vlogging Comparison

Vlogging with Pentax 645Z
Vlogging with Sony W650
27
provides face detect autofocus
high res video (1920 x 1080 pxls)
comes with mic jack
display is not selfie friendly
does not have image stabilization
heavier than average in class (1,550g)
33
quite wide (25mm)
image stabilization (Optical)
has face detect focus
lighter than competition in class (124g)
somewhat slow maximum aperture (f2.6)
display isn't selfie friendly
low quality video (1280 x 720 pxls)
no microphone port
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Pentax 645Z vs Sony W650 Specifications

Detailed spec comparison table for Pentax 645Z and Sony W650
 Pentax 645ZSony Cyber-shot DSC-W650
General Information
Make Pentax Sony
Model Pentax 645Z Sony Cyber-shot DSC-W650
Type Pro DSLR Small Sensor Compact
Announced 2014-04-15 2012-01-10
Body design Large SLR Compact
Sensor Information
Processor PRIME III BIONZ
Sensor type CMOS CCD
Sensor size Medium format 1/2.3"
Sensor measurements 44 x 33mm 6.17 x 4.55mm
Sensor surface area 1,452.0mm² 28.1mm²
Sensor resolution 51 megapixels 16 megapixels
Anti aliasing filter
Aspect ratio 4:3 4:3 and 16:9
Highest resolution 8256 x 6192 4608 x 3456
Highest native ISO 204800 3200
Lowest native ISO 100 80
RAW format
Autofocusing
Focus manually
Touch to focus
Continuous autofocus
Single autofocus
Tracking autofocus
Selective autofocus
Autofocus center weighted
Autofocus multi area
Autofocus live view
Face detect autofocus
Contract detect autofocus
Phase detect autofocus
Number of focus points 27 -
Cross focus points - -
Lens
Lens mount Pentax 645AF2 fixed lens
Lens focal range - 25-125mm (5.0x)
Maximum aperture - f/2.6-6.3
Macro focus distance - 5cm
Available lenses 6 -
Focal length multiplier 0.8 5.8
Screen
Range of display Tilting Fixed Type
Display sizing 3.2 inch 3 inch
Display resolution 1,037k dot 230k dot
Selfie friendly
Liveview
Touch operation
Display tech - Clear Photo TFT LCD
Viewfinder Information
Viewfinder type Optical (pentaprism) None
Viewfinder coverage 98 percent -
Viewfinder magnification 0.85x -
Features
Slowest shutter speed 30s 2s
Maximum shutter speed 1/4000s 1/1600s
Continuous shooting speed 3.0 frames per second 1.0 frames per second
Shutter priority
Aperture priority
Expose Manually
Exposure compensation Yes -
Custom white balance
Image stabilization
Built-in flash
Flash range no built-in flash 3.70 m
Flash settings Flash On, Flash On+Red-eye Reduction, Slow-speed Sync, Slow-speed Sync+Red-eye, P-TTL, Trailing Curtain Sync, contrast-control-sync, high-speed sync, wireless sync Auto, On, Off, Slow Sync
External flash
Auto exposure bracketing
White balance bracketing
Maximum flash sync 1/125s -
Exposure
Multisegment exposure
Average exposure
Spot exposure
Partial exposure
AF area exposure
Center weighted exposure
Video features
Video resolutions 1920 x 1080 (60i, 50i, 30p, 25p, 24p), 1280 x 720 (60p, 50p, 30p, 25p,24p) 1280 x 720 (30 fps), 640 x 480 (30 fps)
Highest video resolution 1920x1080 1280x720
Video format MPEG-4, H.264 MPEG-4, H.264
Microphone jack
Headphone jack
Connectivity
Wireless None Eye-Fi Connected
Bluetooth
NFC
HDMI
USB USB 3.0 (5 GBit/sec) USB 2.0 (480 Mbit/sec)
GPS Optional None
Physical
Environmental seal
Water proof
Dust proof
Shock proof
Crush proof
Freeze proof
Weight 1550 gr (3.42 pounds) 124 gr (0.27 pounds)
Dimensions 156 x 117 x 123mm (6.1" x 4.6" x 4.8") 94 x 56 x 19mm (3.7" x 2.2" x 0.7")
DXO scores
DXO All around score 101 not tested
DXO Color Depth score 26.0 not tested
DXO Dynamic range score 14.7 not tested
DXO Low light score 4505 not tested
Other
Battery life 650 photographs 220 photographs
Battery form Battery Pack Battery Pack
Battery model D-LI90 NP-BN
Self timer Yes (2 or 10 secs) Yes (2 or 10 sec, Portrait 1/2)
Time lapse recording
Type of storage Dual SD/SDHC/SDXC slots SD/SDHC/SDXC, microSD/micro SDHC, Memory Stick Duo/Memory Stick Pro Duo, Memory Stick Pro-HG Duo
Storage slots Two One
Retail pricing $5,024 $140