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Pentax 645Z vs Sony W690

Portability
49
Imaging
79
Features
74
Overall
77
Pentax 645Z front
 
Sony Cyber-shot DSC-W690 front
Portability
95
Imaging
38
Features
32
Overall
35

Pentax 645Z vs Sony W690 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
  • Released April 2014
  • Earlier Model is Pentax 645D
Sony W690
(Full Review)
  • 16MP - 1/2.3" Sensor
  • 3" Fixed Screen
  • ISO 80 - 3200
  • Optical Image Stabilization
  • 1280 x 720 video
  • 25-250mm (F3.3-5.9) lens
  • 142g - 94 x 56 x 22mm
  • Revealed February 2012
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Pentax 645Z vs Sony W690 Overview

Below is a extensive review of the Pentax 645Z vs Sony W690, former being a Pro DSLR while the latter is a Small Sensor Compact by competitors Pentax and Sony. There exists a considerable gap among the resolutions of the 645Z (51MP) and W690 (16MP) and the 645Z (Medium format) and W690 (1/2.3") come with different sensor dimensions.

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The 645Z was introduced 2 years later than the W690 and that is a fairly large difference as far as camera technology is concerned. Both of the cameras come with different body type with the Pentax 645Z being a Large SLR camera and the Sony W690 being a Compact camera.

Before delving through a full comparison, below is a short summation of how the 645Z scores versus the W690 when considering portability, imaging, features and an overall grade.

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Reasons to pick Pentax 645Z over the Sony W690

 645Z W690 
RevealedApril 2014February 2012More recent by 26 months
Manual focus More precise focus
Screen typeTiltingFixed Tilting screen
Screen dimension3.2"3"Bigger screen (+0.2")
Screen resolution1037k230kCrisper screen (+807k dot)

Reasons to pick Sony W690 over the Pentax 645Z

 W690 645Z 

Common features in the Pentax 645Z and Sony W690

 645Z W690 
Selfie screen No selfie screen
Touch screen Neither contains Touch screen

Pentax 645Z vs Sony W690 Physical Comparison

If you're going to lug around your camera, you're going to have to think about its weight and dimensions. The Pentax 645Z has got outer measurements of 156mm x 117mm x 123mm (6.1" x 4.6" x 4.8") and a weight of 1550 grams (3.42 lbs) and the Sony W690 has dimensions of 94mm x 56mm x 22mm (3.7" x 2.2" x 0.9") accompanied by a weight of 142 grams (0.31 lbs).

Check out the Pentax 645Z vs Sony W690 in our completely new Camera & Lens Size Comparison Tool. Camera Size Comparison with Lenses

Remember that, the weight of an ILC will vary dependant on the lens you have chosen at the time. Underneath is the front view scale comparison of the 645Z compared to the W690.

Pentax 645Z vs Sony W690 size comparison

Using dimensions and weight, the portability score of the 645Z and W690 is 49 and 95 respectively.

Pentax 645Z vs Sony W690 top view buttons comparison

Pentax 645Z vs Sony W690 Sensor Comparison

More often than not, it is tough to visualize the gap in sensor measurements purely by checking out specifications. The graphic here may give you a more clear sense of the sensor sizing in the 645Z and W690.

To sum up, the 2 cameras have got different resolutions and different sensor measurements. The 645Z having a bigger sensor is going to make getting bokeh simpler and the Pentax 645Z will produce greater detail using its extra 35MP. Higher resolution can also make it easier to crop pictures much more aggressively. The younger 645Z should have an edge in sensor tech.

Pentax 645Z vs Sony W690 sensor size comparison

Pentax 645Z vs Sony W690 Screen and ViewFinder

Pentax 645Z vs Sony W690 Screen and Viewfinder comparison
Photography Glossary

Photography Type Scores

Portrait Comparison

Pentax 645Z Portrait photography details
Sony W690 Portrait photography details
87
has manual focus
megapixel count excellent (51MP)
sensor size is great (Medium format)
provides face detection focusing
exports RAW formats
34
good megapixels (16 megapixels)
features face detect autofocus
no manual focus
manual mode not available
can't use external flash
very small sensor (1/2.3")
lack of RAW support
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Street Comparison

Pentax 645Z Street photography advice
Sony W690 Street photography advice
63
tilting screen
sensor size is great (Medium format)
exports RAW formats
environment proof
above average high ISO (204,800)
lack of image stabilization
more heavy than competition in class (1,550g)
57
built in image stabilization (Optical)
screen does not articulate
very small sensor (1/2.3")
lack of RAW support
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Sports Comparison

Pentax 645Z Sports photography factors
Sony W690 Sports photography factors
70
megapixel count excellent (51MP)
sensor size is great (Medium format)
provides tracking autofocus
environment proof
has phase detect AF
max fps low (3.0 frames/s)
lack of image stabilization
terrible battery power (650 CIPA)
40
built in image stabilization (Optical)
good megapixels (16 megapixels)
features tracking focus
painfully slow continuous shooting (1.0 frames/s)
no shutter priority mode
very small sensor (1/2.3")
lack of phase detect autofocus
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Travel Comparison

Pentax 645Z Travel photography features
Sony W690 Travel photography features
51
environment proof
megapixel count excellent (51MP)
terrible battery power (650 CIPA)
more heavy than competition in class (1,550g)
doesn't posses selfie friendly screen
68
good megapixels (16 megapixels)
has built in flash
relatively wide (25mm)
long reach (250mm)
does not have Time Lapse mode
doesn't have a selfie friendly display
somewhat slow max aperture (f3.3)
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Landscape Comparison

Landscape photography with Pentax 645Z
Landscape photography with Sony W690
78
has manual focus
swap lenses (Pentax 645AF2 mount)
decent sized screen (3.2 inch)
megapixel count excellent (51 megapixels)
sensor size is great (Medium format)
doesnt have anti aliasing filter
above average high ISO (204,800)
exports RAW formats
environment proof
two card slots
lack of image stabilization
terrible battery power (650 per charge)
42
relatively wide (25mm)
pretty good screen size (3 inches)
built in image stabilization (Optical)
good megapixels (16 megapixels)
no manual focus
lens is fixed (fixed lens mount)
somewhat slow max aperture (f3.3)
manual mode not available
very small sensor (1/2.3")
lack of RAW support
does not have Time Lapse mode
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Vlogging Comparison

Pentax 645Z Vlogging highlights
Sony W690 Vlogging highlights
27
provides face detection focusing
high res video (1920 x 1080 pixels)
has external microphone socket
doesn't posses selfie friendly screen
lack of image stabilization
more heavy than competition in class (1,550g)
31
relatively wide (25mm)
built in image stabilization (Optical)
features face detect autofocus
somewhat slow max aperture (f3.3)
doesn't have a selfie friendly display
video res low (1280 x 720 pixels)
does not have mic support
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Pentax 645Z vs Sony W690 Specifications

Detailed spec comparison table for Pentax 645Z and Sony W690
 Pentax 645ZSony Cyber-shot DSC-W690
General Information
Company Pentax Sony
Model type Pentax 645Z Sony Cyber-shot DSC-W690
Class Pro DSLR Small Sensor Compact
Released 2014-04-15 2012-02-28
Physical type Large SLR Compact
Sensor Information
Processor Chip PRIME III BIONZ
Sensor type CMOS CCD
Sensor size Medium format 1/2.3"
Sensor dimensions 44 x 33mm 6.17 x 4.55mm
Sensor area 1,452.0mm² 28.1mm²
Sensor resolution 51 megapixels 16 megapixels
Anti alias filter
Aspect ratio 4:3 4:3 and 16:9
Maximum resolution 8256 x 6192 4608 x 3456
Maximum native ISO 204800 3200
Minimum native ISO 100 80
RAW pictures
Autofocusing
Manual focusing
AF touch
Continuous AF
Single AF
Tracking AF
Selective AF
AF center weighted
AF multi area
AF live view
Face detect focusing
Contract detect focusing
Phase detect focusing
Total focus points 27 -
Cross type focus points - -
Lens
Lens mount type Pentax 645AF2 fixed lens
Lens zoom range - 25-250mm (10.0x)
Max aperture - f/3.3-5.9
Macro focusing range - 5cm
Total lenses 6 -
Crop factor 0.8 5.8
Screen
Type of display Tilting Fixed Type
Display sizing 3.2 inches 3 inches
Resolution of display 1,037k dots 230k dots
Selfie friendly
Liveview
Touch display
Display technology - ClearPhoto TFT LCD display
Viewfinder Information
Viewfinder type Optical (pentaprism) None
Viewfinder coverage 98 percent -
Viewfinder magnification 0.85x -
Features
Slowest shutter speed 30s 30s
Maximum shutter speed 1/4000s 1/1600s
Continuous shooting rate 3.0fps 1.0fps
Shutter priority
Aperture priority
Manual mode
Exposure compensation Yes -
Custom WB
Image stabilization
Inbuilt flash
Flash distance no built-in flash 3.30 m
Flash modes 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
Hot shoe
AEB
White balance bracketing
Maximum flash synchronize 1/125s -
Exposure
Multisegment
Average
Spot
Partial
AF area
Center weighted
Video features
Supported 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)
Maximum video resolution 1920x1080 1280x720
Video format MPEG-4, H.264 MPEG-4
Mic support
Headphone support
Connectivity
Wireless None None
Bluetooth
NFC
HDMI
USB USB 3.0 (5 GBit/sec) USB 2.0 (480 Mbit/sec)
GPS Optional None
Physical
Environment sealing
Water proofing
Dust proofing
Shock proofing
Crush proofing
Freeze proofing
Weight 1550 grams (3.42 lbs) 142 grams (0.31 lbs)
Dimensions 156 x 117 x 123mm (6.1" x 4.6" x 4.8") 94 x 56 x 22mm (3.7" x 2.2" x 0.9")
DXO scores
DXO All around rating 101 not tested
DXO Color Depth rating 26.0 not tested
DXO Dynamic range rating 14.7 not tested
DXO Low light rating 4505 not tested
Other
Battery life 650 photographs 220 photographs
Battery style Battery Pack Battery Pack
Battery ID D-LI90 NP-BN
Self timer Yes (2 or 10 secs) Yes (2 or 10 sec, Portrait 1/2)
Time lapse shooting
Storage type Dual SD/SDHC/SDXC slots SD/SDHC/SDXC/Memory Stick Duo/Memory Stick Pro Duo, Memory Stick Pro-HG Duo
Card slots Dual Single
Retail price $5,024 $297