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Pentax K-3 vs Sony W730

Portability
59
Imaging
65
Features
85
Overall
73
Pentax K-3 front
 
Sony Cyber-shot DSC-W730 front
Portability
96
Imaging
39
Features
33
Overall
36

Pentax K-3 vs Sony W730 Key Specs

Pentax K-3
(Full Review)
  • 24MP - APS-C Sensor
  • 3.2" Fixed Display
  • ISO 100 - 51200
  • Sensor based Image Stabilization
  • No Anti-Alias Filter
  • 1/8000s Maximum Shutter
  • 1920 x 1080 video
  • Pentax KAF2 Mount
  • 800g - 131 x 100 x 77mm
  • Revealed April 2014
  • Refreshed by Pentax K-3 II
Sony W730
(Full Review)
  • 16MP - 1/2.3" Sensor
  • 2.7" Fixed Screen
  • ISO 100 - 3200
  • Optical Image Stabilization
  • 1280 x 720 video
  • 25-224mm (F3.3-6.3) lens
  • 122g - 93 x 52 x 22mm
  • Revealed January 2013
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Pentax K-3 vs Sony W730 Overview

Here is a in-depth review of the Pentax K-3 and Sony W730, one being a Advanced DSLR and the latter is a Small Sensor Compact by competitors Pentax and Sony. There exists a significant gap among the resolutions of the K-3 (24MP) and W730 (16MP) and the K-3 (APS-C) and W730 (1/2.3") feature totally different sensor measurements.

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The K-3 was introduced 16 months later than the W730 which makes the cameras a generation apart from one another. Both of these cameras offer different body type with the Pentax K-3 being a Mid-size SLR camera and the Sony W730 being a Compact camera.

Before going in to a in depth comparison, below is a concise highlight of how the K-3 matches up against the W730 for portability, imaging, features and an overall rating.

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Reasons to pick Pentax K-3 over the Sony W730

 K-3 W730 
RevealedApril 2014January 2013Fresher by 16 months
Manual focus Dial accurate focus
Screen sizing3.2"2.7"Bigger screen (+0.5")
Screen resolution1037k230kCrisper screen (+807k dot)

Reasons to pick Sony W730 over the Pentax K-3

 W730 K-3 
Touch screen Quickly navigate

Common features in the Pentax K-3 and Sony W730

 K-3 W730 
Screen typeFixed Fixed Fixed screen
Selfie screen Absent selfie screen

Pentax K-3 vs Sony W730 Physical Comparison

In case you're intending to carry your camera often, you will need to factor in its weight and proportions. The Pentax K-3 features physical measurements of 131mm x 100mm x 77mm (5.2" x 3.9" x 3.0") along with a weight of 800 grams (1.76 lbs) whilst the Sony W730 has measurements of 93mm x 52mm x 22mm (3.7" x 2.0" x 0.9") with a weight of 122 grams (0.27 lbs).

Analyze the Pentax K-3 and Sony W730 in the latest Camera and Lens Size Comparison Tool. Camera Size Comparison with Lenses

Keep in mind, the weight of an Interchangeable Lens Camera will change based on the lens you select at the time. Underneath is the front view physical size comparison of the K-3 compared to the W730.

Pentax K-3 vs Sony W730 size comparison

Taking into consideration dimensions and weight, the portability score of the K-3 and W730 is 59 and 96 respectively.

Pentax K-3 vs Sony W730 top view buttons comparison

Pentax K-3 vs Sony W730 Sensor Comparison

Sometimes, it is difficult to see the difference in sensor sizing purely by going through specifications. The photograph underneath might give you a clearer sense of the sensor measurements in the K-3 and W730.

To sum up, both of these cameras enjoy different resolutions and different sensor sizing. The K-3 with its bigger sensor will make achieving bokeh easier and the Pentax K-3 will provide extra detail using its extra 8MP. Higher resolution can also let you crop pictures far more aggressively. The more modern K-3 is going to have an edge when it comes to sensor tech.

Pentax K-3 vs Sony W730 sensor size comparison

Pentax K-3 vs Sony W730 Screen and ViewFinder

Pentax K-3 vs Sony W730 Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Pentax K-3 Portrait photography info
Sony W730 Portrait photography info
79
has manual focus
megapixel count good (24 megapixels)
sensor size is decent (APS-C)
features face detection focus
delivers RAW files
34
megapixel count good (16MP)
has face detect autofocus
manual focus not available
lack of manual exposure
can't use external flash
sensor is small (1/2.3")
doesn't have RAW support
Photography Glossary

Street Comparison

Pentax K-3 as a Street photography camera
Sony W730 as a Street photography camera
69
image stabilization (Sensor based)
sensor size is decent (APS-C)
delivers RAW files
environment proofing
above average high ISO (51,200)
screen does not articulate
67
image stabilization (Optical)
has focus via touch
lighter than competition (122 grams)
screen does not articulate
sensor is small (1/2.3")
doesn't have RAW support
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Sports Comparison

Pentax K-3 Sports photography factors
Sony W730 Sports photography factors
76
max shutter speed is good (1/8,000s)
image stabilization (Sensor based)
megapixel count good (24 megapixels)
sensor size is decent (APS-C)
features tracking autofocus
environment proofing
comes with phase detect auto focus
bad battery life (560 per charge)
40
image stabilization (Optical)
megapixel count good (16MP)
has tracking focus
painfully slow continuous shooting (1.0 frames/s)
no shutter priority mode
sensor is small (1/2.3")
doesn't have phase detect autofocus
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Travel Comparison

Pentax K-3 as a Travel photography camera
Sony W730 as a Travel photography camera
60
environment proofing
megapixel count good (24 megapixels)
flash built-in
bad battery life (560 per charge)
display isn't selfie friendly
71
lighter than competition (122 grams)
has focus via touch
megapixel count good (16MP)
flash built-in
relatively wide (25mm)
lack of Time Lapse mode
does not offer selfie friendly display
somewhat slow maximum aperture (f3.3)
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Landscape Comparison

Pentax K-3 Landscape photography features
Sony W730 Landscape photography features
77
has manual focus
interchangeable lenses (Pentax KAF2 mount)
nice screen size (3.2 inch)
image stabilization (Sensor based)
megapixel count good (24 megapixels)
sensor size is decent (APS-C)
doesnt have anti aliasing filter
above average high ISO (51,200)
delivers RAW files
environment proofing
two card slots
bad battery life (560 per charge)
38
relatively wide (25mm)
image stabilization (Optical)
megapixel count good (16 megapixels)
manual focus not available
fixed lens (fixed lens mount)
somewhat slow maximum aperture (f3.3)
small screen (2.7 inches)
lack of manual exposure
sensor is small (1/2.3")
doesn't have RAW support
lack of Time Lapse mode
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Vlogging Comparison

Pentax K-3 as a Vlogging camera
Sony W730 as a Vlogging camera
34
image stabilization (Sensor based)
features face detection focus
good video quality (1920 x 1080 pixels)
does have external mic socket
display isn't selfie friendly
34
relatively wide (25mm)
screen is touchscreen
image stabilization (Optical)
has face detect autofocus
lighter than competition (122 grams)
somewhat slow maximum aperture (f3.3)
does not offer selfie friendly display
video res low (1280 x 720 pixels)
lack of mic socket
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Pentax K-3 vs Sony W730 Specifications

Detailed spec comparison table for Pentax K-3 and Sony W730
 Pentax K-3Sony Cyber-shot DSC-W730
General Information
Brand Name Pentax Sony
Model Pentax K-3 Sony Cyber-shot DSC-W730
Category Advanced DSLR Small Sensor Compact
Revealed 2014-04-10 2013-01-08
Physical type Mid-size SLR Compact
Sensor Information
Processor Chip Prime III -
Sensor type CMOS CCD
Sensor size APS-C 1/2.3"
Sensor dimensions 23.5 x 15.6mm 6.17 x 4.55mm
Sensor surface area 366.6mm² 28.1mm²
Sensor resolution 24 megapixels 16 megapixels
Anti aliasing filter
Aspect ratio 3:2 4:3 and 16:9
Highest Possible resolution 6016 x 4000 4608 x 3456
Maximum native ISO 51200 3200
Min native ISO 100 100
RAW support
Autofocusing
Focus manually
AF touch
Continuous AF
Single AF
AF tracking
AF selectice
Center weighted AF
AF multi area
Live view AF
Face detect AF
Contract detect AF
Phase detect AF
Number of focus points 27 -
Cross focus points 25 -
Lens
Lens mounting type Pentax KAF2 fixed lens
Lens focal range - 25-224mm (9.0x)
Highest aperture - f/3.3-6.3
Macro focus distance - 5cm
Total lenses 151 -
Focal length multiplier 1.5 5.8
Screen
Type of display Fixed Type Fixed Type
Display size 3.2" 2.7"
Display resolution 1,037 thousand dots 230 thousand dots
Selfie friendly
Liveview
Touch display
Display technology TFT LCD monitor TFT LCD display
Viewfinder Information
Viewfinder Optical (pentaprism) None
Viewfinder coverage 100% -
Viewfinder magnification 0.64x -
Features
Minimum shutter speed 30s 2s
Fastest shutter speed 1/8000s 1/1600s
Continuous shutter rate 8.0 frames/s 1.0 frames/s
Shutter priority
Aperture priority
Manually set exposure
Exposure compensation Yes -
Custom WB
Image stabilization
Inbuilt flash
Flash range 13.00 m (at ISO 100) 2.80 m
Flash modes Auto, on, off, red-eye, slow sync, slow sync + red-eye, trailing curtain sync, high speed, wireless, manual Auto, On, Off, Slow Sync, Advanced Flash
Hot shoe
AEB
White balance bracketing
Fastest flash synchronize 1/180s -
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, AVCHD
Mic port
Headphone port
Connectivity
Wireless None None
Bluetooth
NFC
HDMI
USB USB 3.0 (5 GBit/sec) USB 2.0 (480 Mbit/sec)
GPS Optional None
Physical
Environmental sealing
Water proof
Dust proof
Shock proof
Crush proof
Freeze proof
Weight 800 grams (1.76 lbs) 122 grams (0.27 lbs)
Dimensions 131 x 100 x 77mm (5.2" x 3.9" x 3.0") 93 x 52 x 22mm (3.7" x 2.0" x 0.9")
DXO scores
DXO Overall score 80 not tested
DXO Color Depth score 23.7 not tested
DXO Dynamic range score 13.4 not tested
DXO Low light score 1216 not tested
Other
Battery life 560 shots 240 shots
Style of battery Battery Pack Battery Pack
Battery model D-LI90 NP-BN
Self timer Yes ( 2 or 12 seconds) Yes (2 or 10 sec, Portrait 1/2)
Time lapse shooting
Storage type Dual SD/SDHC/SDXC SD/SDHC/SDXC/Memory Stick Duo/Memory Stick Pro Duo, Memory Stick Pro-HG Duo
Card slots Two 1
Retail cost $639 $138