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Pentax K-3 vs Sony W620

Portability
59
Imaging
65
Features
85
Overall
73
Pentax K-3 front
 
Sony Cyber-shot DSC-W620 front
Portability
96
Imaging
37
Features
25
Overall
32

Pentax K-3 vs Sony W620 Key Specs

Pentax K-3
(Full Review)
  • 24MP - APS-C Sensor
  • 3.2" Fixed Screen
  • 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
  • Updated by Pentax K-3 II
Sony W620
(Full Review)
  • 14MP - 1/2.3" Sensor
  • 2.7" Fixed Display
  • ISO 100 - 3200
  • 1280 x 720 video
  • 28-140mm (F3.2-6.5) lens
  • 116g - 98 x 56 x 20mm
  • Revealed January 2012
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Pentax K-3 vs Sony W620 Overview

Its time to look a little more closely at the Pentax K-3 versus Sony W620, one being a Advanced DSLR and the other is a Small Sensor Compact by companies Pentax and Sony. There exists a significant gap between the resolutions of the K-3 (24MP) and W620 (14MP) and the K-3 (APS-C) and W620 (1/2.3") boast different sensor size.

Photography Glossary

The K-3 was brought out 2 years later than the W620 and that is quite a sizable gap as far as technology is concerned. Each of the cameras feature different body design with the Pentax K-3 being a Mid-size SLR camera and the Sony W620 being a Compact camera.

Before delving into a comprehensive comparison, here is a quick summary of how the K-3 matches up versus the W620 in relation to portability, imaging, features and an overall rating.

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Reasons to pick Pentax K-3 over the Sony W620

 K-3 W620 
RevealedApril 2014January 2012Fresher by 28 months
Manually focus Very accurate focusing
Display size3.2"2.7"Larger display (+0.5")
Display resolution1037k230kCrisper display (+807k dot)

Reasons to pick Sony W620 over the Pentax K-3

 W620 K-3 

Common features in the Pentax K-3 and Sony W620

 K-3 W620 
Display typeFixed Fixed Fixed display
Selfie screen Absent selfie screen
Touch friendly display Absent Touch friendly display

Pentax K-3 vs Sony W620 Physical Comparison

For anybody who is looking to carry your camera regularly, you're going to have to think about its weight and size. The Pentax K-3 offers exterior 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 W620 has specifications of 98mm x 56mm x 20mm (3.9" x 2.2" x 0.8") accompanied by a weight of 116 grams (0.26 lbs).

Check the Pentax K-3 versus Sony W620 in the new Camera and Lens Size Comparison Tool. Camera Size Comparison with Lenses

Remember, the weight of an Interchangeable Lens Camera will differ based on the lens you have at that time. Underneath is a front view sizing comparison of the K-3 compared to the W620.

Pentax K-3 vs Sony W620 size comparison

Taking into account dimensions and weight, the portability rating of the K-3 and W620 is 59 and 96 respectively.

Pentax K-3 vs Sony W620 top view buttons comparison

Pentax K-3 vs Sony W620 Sensor Comparison

Typically, it's tough to picture the contrast between sensor sizing simply by checking a spec sheet. The graphic here should offer you a much better sense of the sensor sizing in the K-3 and W620.

As you can see, both cameras come with different resolutions and different sensor sizing. The K-3 featuring a larger sensor is going to make shooting bokeh less difficult and the Pentax K-3 will give you more detail having its extra 10MP. Greater resolution will also allow you to crop images a good deal more aggressively. The fresher K-3 provides a benefit when it comes to sensor tech.

Pentax K-3 vs Sony W620 sensor size comparison

Pentax K-3 vs Sony W620 Screen and ViewFinder

Pentax K-3 vs Sony W620 Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Portrait photography with Pentax K-3
Portrait photography with Sony W620
79
you can focus manually
MP count decent (24MP)
nice sensor size (APS-C)
comes with face detect focusing
exports RAW files
33
MP count decent (14MP)
has face detection focusing
focusing manually not possible
manual exposure not possible
no external flash support
sensor size is small (1/2.3")
does not have RAW support
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Street Comparison

Pentax K-3 Street photography highlights
Sony W620 Street photography highlights
69
image stabilization (Sensor based)
nice sensor size (APS-C)
exports RAW files
weather proof
very good ISO range (51,200)
screen is fixed
56
lighter than competition in class (116g)
no moving screen
does not have image stabilization
sensor size is small (1/2.3")
does not have RAW support
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Sports Comparison

Pentax K-3 Sports photography highlights
Sony W620 Sports photography highlights
76
max shutter speed is good (1/8,000s)
image stabilization (Sensor based)
MP count decent (24MP)
nice sensor size (APS-C)
comes with tracking focus
weather proof
sensor has phase detect AF
low battery power (560 shots)
32
MP count decent (14 megapixels)
has tracking autofocus
max fps low (1.0 frames/s)
no shutter priority mode
does not have image stabilization
sensor size is small (1/2.3")
does not have phase detect AF
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Travel Comparison

Pentax K-3 as a Travel photography camera
Sony W620 as a Travel photography camera
60
weather proof
MP count decent (24 megapixels)
has built in flash
low battery power (560 shots)
doesn't feature selfie friendly screen
68
lighter than competition in class (116 grams)
MP count decent (14 megapixels)
has built in flash
really wide (28mm)
doesn't have Time Lapse function
screen isn't selfie friendly
slow maximum aperture (f3.2)
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Landscape Comparison

Landscape photography with Pentax K-3
Landscape photography with Sony W620
77
you can focus manually
swap lenses (Pentax KAF2 mount)
screen size is decent (3.2 inch)
image stabilization (Sensor based)
MP count decent (24MP)
nice sensor size (APS-C)
doesnt have anti aliasing filter
very good ISO range (51,200)
exports RAW files
weather proof
has double storage slots
low battery power (560 shots)
33
really wide (28mm)
MP count decent (14 megapixels)
focusing manually not possible
cannot switch lenses (fixed lens mount)
slow maximum aperture (f3.2)
tiny screen (2.7 inch)
manual exposure not possible
does not have image stabilization
sensor size is small (1/2.3")
does not have RAW support
doesn't have Time Lapse function
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Vlogging Comparison

Pentax K-3 as a Vlogging camera
Sony W620 as a Vlogging camera
34
image stabilization (Sensor based)
comes with face detect focusing
video res high (1920 x 1080 pixels)
includes mic port
doesn't feature selfie friendly screen
30
really wide (28mm)
has face detection focusing
lighter than competition in class (116 grams)
slow maximum aperture (f3.2)
screen isn't selfie friendly
does not have image stabilization
video res low (1280 x 720 pixels)
doesn't have external mic jack
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Pentax K-3 vs Sony W620 Specifications

Detailed spec comparison table for Pentax K-3 and Sony W620
 Pentax K-3Sony Cyber-shot DSC-W620
General Information
Brand Name Pentax Sony
Model Pentax K-3 Sony Cyber-shot DSC-W620
Type Advanced DSLR Small Sensor Compact
Revealed 2014-04-10 2012-01-10
Body design Mid-size SLR Compact
Sensor Information
Powered by Prime III BIONZ
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 24MP 14MP
Anti aliasing filter
Aspect ratio 3:2 4:3 and 16:9
Max resolution 6016 x 4000 4320 x 3240
Max native ISO 51200 3200
Lowest native ISO 100 100
RAW images
Autofocusing
Focus manually
Touch to focus
Autofocus continuous
Single autofocus
Tracking autofocus
Autofocus selectice
Center weighted autofocus
Multi area autofocus
Live view autofocus
Face detection focus
Contract detection focus
Phase detection focus
Number of focus points 27 -
Cross focus points 25 -
Lens
Lens mount Pentax KAF2 fixed lens
Lens focal range - 28-140mm (5.0x)
Maximal aperture - f/3.2-6.5
Macro focus distance - 5cm
Number of lenses 151 -
Focal length multiplier 1.5 5.8
Screen
Screen type Fixed Type Fixed Type
Screen size 3.2 inches 2.7 inches
Screen resolution 1,037 thousand dot 230 thousand dot
Selfie friendly
Liveview
Touch operation
Screen technology TFT LCD monitor Clear Photo TFT LCD
Viewfinder Information
Viewfinder type Optical (pentaprism) None
Viewfinder coverage 100% -
Viewfinder magnification 0.64x -
Features
Min shutter speed 30 secs 2 secs
Max shutter speed 1/8000 secs 1/1600 secs
Continuous shutter speed 8.0 frames per second 1.0 frames per second
Shutter priority
Aperture priority
Manual exposure
Exposure compensation Yes -
Set white balance
Image stabilization
Inbuilt flash
Flash range 13.00 m (at ISO 100) 3.00 m
Flash options Auto, on, off, red-eye, slow sync, slow sync + red-eye, trailing curtain sync, high speed, wireless, manual Auto, On, Off, Slow Sync
External flash
AEB
White balance bracketing
Max flash sync 1/180 secs -
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)
Max video resolution 1920x1080 1280x720
Video format MPEG-4, H.264 Motion JPEG
Mic input
Headphone input
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 800 gr (1.76 lbs) 116 gr (0.26 lbs)
Physical dimensions 131 x 100 x 77mm (5.2" x 3.9" x 3.0") 98 x 56 x 20mm (3.9" x 2.2" x 0.8")
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 220 shots
Type 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 feature
Type of storage Dual SD/SDHC/SDXC SD/SDHC/SDXC, microSD/micro SDHC, Memory Stick Duo/Memory Stick Pro Duo, Memory Stick Pro-HG Duo
Storage slots Two Single
Launch pricing $639 $102