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Pentax K-3 II vs Sony W320

Portability
59
Imaging
67
Features
84
Overall
73
Pentax K-3 II front
 
Sony Cyber-shot DSC-W320 front
Portability
97
Imaging
37
Features
21
Overall
30

Pentax K-3 II vs Sony W320 Key Specs

Pentax K-3 II
(Full Review)
  • 24MP - APS-C Sensor
  • 3.2" Fixed Screen
  • ISO 100 - 51200
  • Sensor based Image Stabilization
  • No Anti-Alias Filter
  • 1/8000s Max Shutter
  • 1920 x 1080 video
  • Pentax KAF2 Mount
  • 800g - 131 x 100 x 77mm
  • Released April 2015
  • Previous Model is Pentax K-3
Sony W320
(Full Review)
  • 14MP - 1/2.3" Sensor
  • 2.7" Fixed Screen
  • ISO 80 - 3200
  • 640 x 480 video
  • 26-105mm (F2.7-5.7) lens
  • 117g - 93 x 52 x 17mm
  • Released January 2010
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Pentax K-3 II vs Sony W320 Overview

Let's look closer at the Pentax K-3 II versus Sony W320, one is a Advanced DSLR and the latter is a Ultracompact by manufacturers Pentax and Sony. There is a crucial difference among the sensor resolutions of the K-3 II (24MP) and W320 (14MP) and the K-3 II (APS-C) and W320 (1/2.3") offer different sensor dimensions.

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The K-3 II was introduced 5 years after the W320 which is a fairly serious gap as far as camera tech is concerned. Both cameras feature different body design with the Pentax K-3 II being a Mid-size SLR camera and the Sony W320 being a Ultracompact camera.

Before getting right into a full comparison, here is a short overview of how the K-3 II matches up against the W320 in regards to portability, imaging, features and an overall mark.

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Reasons to pick Pentax K-3 II over the Sony W320

 K-3 II W320 
ReleasedApril 2015January 2010Newer by 65 months
Focus manually Very accurate focus
Screen size3.2"2.7"Bigger screen (+0.5")
Screen resolution1037k230kCrisper screen (+807k dot)

Reasons to pick Sony W320 over the Pentax K-3 II

 W320 K-3 II 

Common features in the Pentax K-3 II and Sony W320

 K-3 II W320 
Screen typeFixed Fixed Fixed screen
Selfie screen No selfie screen
Touch screen Neither comes with Touch screen

Pentax K-3 II vs Sony W320 Physical Comparison

For those who are going to travel with your camera often, you're going to have to factor in its weight and dimensions. The Pentax K-3 II comes with outer dimensions of 131mm x 100mm x 77mm (5.2" x 3.9" x 3.0") accompanied by a weight of 800 grams (1.76 lbs) whilst the Sony W320 has dimensions of 93mm x 52mm x 17mm (3.7" x 2.0" x 0.7") along with a weight of 117 grams (0.26 lbs).

Take a look at the Pentax K-3 II versus Sony W320 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 depending on the lens you have attached during that time. Here is a front view physical size comparison of the K-3 II against the W320.

Pentax K-3 II vs Sony W320 size comparison

Taking into account size and weight, the portability grade of the K-3 II and W320 is 59 and 97 respectively.

Pentax K-3 II vs Sony W320 top view buttons comparison

Pentax K-3 II vs Sony W320 Sensor Comparison

Oftentimes, it is very hard to picture the contrast in sensor dimensions simply by looking through technical specs. The image here should give you a better sense of the sensor sizes in the K-3 II and W320.

As you can tell, both of the cameras feature different megapixels and different sensor dimensions. The K-3 II with its bigger sensor is going to make shooting shallower DOF less difficult and the Pentax K-3 II will provide you with extra detail using its extra 10MP. Higher resolution will make it easier to crop shots way more aggressively. The younger K-3 II should have a benefit when it comes to sensor technology.

Pentax K-3 II vs Sony W320 sensor size comparison

Pentax K-3 II vs Sony W320 Screen and ViewFinder

Pentax K-3 II vs Sony W320 Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Pentax K-3 II Portrait photography highlights
Sony W320 Portrait photography highlights
80
focusing manually
MP count good (24MP)
nice sensor size (APS-C)
supports face detect focusing
supports RAW formats
28
decent sensor resolution (14MP)
manual focus not available
no manual control
external flash not possible
sensor is small (1/2.3")
no RAW format
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Street Comparison

Pentax K-3 II Street photography features
Sony W320 Street photography features
69
built in image stabilization (Sensor based)
nice sensor size (APS-C)
supports RAW formats
environment proof
good high ISO (51,200)
no articulating screen
49
no moving screen
no image stabilization
sensor is small (1/2.3")
no RAW format
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Sports Comparison

Sports photography with Pentax K-3 II
Sports photography with Sony W320
77
maximum shutter speed is high (1/8,000s)
built in image stabilization (Sensor based)
MP count good (24 megapixels)
nice sensor size (APS-C)
supports tracking focus
environment proof
supports phase detect AF
low battery pack (720 CIPA)
26
decent sensor resolution (14 megapixels)
continuous shooting slow (1.0 frames/s)
no shutter priority mode
no image stabilization
sensor is small (1/2.3")
no phase detect AF
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Travel Comparison

Pentax K-3 II Travel photography factors
Sony W320 Travel photography factors
57
environment proof
MP count good (24MP)
low battery pack (720 CIPA)
display is not selfie friendly
66
decent sensor resolution (14MP)
flash built-in
pretty wide (26mm)
doesn't have Timelapse function
screen isn't selfie friendly
sluggish max aperture (f2.7)
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Landscape Comparison

Pentax K-3 II Landscape photography details
Sony W320 Landscape photography details
78
focusing manually
interchangeable lenses (Pentax KAF2 mount)
screen is a good size (3.2 inch)
built in image stabilization (Sensor based)
MP count good (24 megapixels)
nice sensor size (APS-C)
does not have anti-alias filter
good high ISO (51,200)
supports RAW formats
environment proof
has dual storage slots
low battery pack (720 shots)
33
pretty wide (26mm)
decent sensor resolution (14MP)
manual focus not available
fixed lens (fixed lens mount)
sluggish max aperture (f2.7)
screen is small (2.7 inches)
no manual control
no image stabilization
sensor is small (1/2.3")
no RAW format
doesn't have Timelapse function
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Vlogging Comparison

Pentax K-3 II Vlogging factors
Sony W320 Vlogging factors
34
built in image stabilization (Sensor based)
supports face detect focusing
high quality video (1920 x 1080 pxls)
comes with microphone jack
display is not selfie friendly
26
pretty wide (26mm)
sluggish max aperture (f2.7)
screen isn't selfie friendly
no image stabilization
low res video (640 x 480 resolution)
doesn't have external microphone support
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Pentax K-3 II vs Sony W320 Specifications

Detailed spec comparison table for Pentax K-3 II and Sony W320
 Pentax K-3 IISony Cyber-shot DSC-W320
General Information
Brand Name Pentax Sony
Model Pentax K-3 II Sony Cyber-shot DSC-W320
Category Advanced DSLR Ultracompact
Released 2015-04-23 2010-01-07
Physical type Mid-size SLR Ultracompact
Sensor Information
Chip Prime III -
Sensor type CMOS CCD
Sensor size APS-C 1/2.3"
Sensor measurements 23.5 x 15.6mm 6.17 x 4.55mm
Sensor area 366.6mm² 28.1mm²
Sensor resolution 24 megapixel 14 megapixel
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
Minimum native ISO 100 80
RAW support
Autofocusing
Manual focus
Autofocus touch
Continuous autofocus
Single autofocus
Tracking autofocus
Autofocus selectice
Autofocus center weighted
Autofocus multi area
Live view autofocus
Face detection focus
Contract detection focus
Phase detection focus
Number of focus points 27 9
Cross focus points 25 -
Lens
Lens mount Pentax KAF2 fixed lens
Lens focal range - 26-105mm (4.0x)
Maximum aperture - f/2.7-5.7
Macro focus range - 4cm
Amount of lenses 151 -
Focal length multiplier 1.5 5.8
Screen
Type of screen Fixed Type Fixed Type
Screen size 3.2 inches 2.7 inches
Screen resolution 1,037k dots 230k dots
Selfie friendly
Liveview
Touch capability
Viewfinder Information
Viewfinder Optical (pentaprism) None
Viewfinder coverage 100 percent -
Viewfinder magnification 0.64x -
Features
Minimum shutter speed 30s 1s
Fastest shutter speed 1/8000s 1/1600s
Continuous shutter rate 8.3 frames per sec 1.0 frames per sec
Shutter priority
Aperture priority
Expose Manually
Exposure compensation Yes -
Set white balance
Image stabilization
Integrated flash
Flash range no built-in flash 4.80 m
Flash modes Auto Flash Discharge, Auto Flash + Red-eye Reduction, 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 (available with dedicated external flash) Auto, On, Off, Slow syncro
Hot shoe
AEB
White balance bracketing
Fastest flash synchronize 1/180s -
Exposure
Multisegment exposure
Average exposure
Spot exposure
Partial exposure
AF area exposure
Center weighted exposure
Video features
Supported video resolutions 1920 x 1080 (60i, 50i, 30p, 25p, 24p), 1280 x 720 (60p, 50p, 30p, 25p, 24p) 640 x 480 (30 fps), 320 x 240 (30 fps)
Max video resolution 1920x1080 640x480
Video format MPEG-4, H.264 Motion JPEG
Microphone support
Headphone support
Connectivity
Wireless Optional None
Bluetooth
NFC
HDMI
USB USB 3.0 (5 GBit/sec) USB 2.0 (480 Mbit/sec)
GPS BuiltIn None
Physical
Environmental sealing
Water proof
Dust proof
Shock proof
Crush proof
Freeze proof
Weight 800 grams (1.76 lb) 117 grams (0.26 lb)
Physical dimensions 131 x 100 x 77mm (5.2" x 3.9" x 3.0") 93 x 52 x 17mm (3.7" x 2.0" x 0.7")
DXO scores
DXO Overall score 80 not tested
DXO Color Depth score 23.6 not tested
DXO Dynamic range score 13.6 not tested
DXO Low light score 1106 not tested
Other
Battery life 720 shots -
Battery style Battery Pack -
Battery model D-LI90 NP-BN1
Self timer Yes ( 2 or 12 seconds) Yes (2 sec or 10 sec)
Time lapse feature
Storage type Dual SD/SDHC/SDXC SD/SDHC, Memory Stick Duo / Pro Duo / Pro HG-Duo, Internal
Card slots Two One
Launch cost $829 $269