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Pentax K-3 vs Pentax W90

Portability
59
Imaging
65
Features
85
Overall
73
Pentax K-3 front
 
Pentax Optio W90 front
Portability
94
Imaging
35
Features
21
Overall
29

Pentax K-3 vs Pentax W90 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 Max Shutter
  • 1920 x 1080 video
  • Pentax KAF2 Mount
  • 800g - 131 x 100 x 77mm
  • Revealed April 2014
  • Updated by Pentax K-3 II
Pentax W90
(Full Review)
  • 12MP - 1/2.3" Sensor
  • 2.7" Fixed Screen
  • ISO 80 - 6400
  • 1280 x 720 video
  • 28-140mm (F3.5-5.5) lens
  • 164g - 108 x 59 x 25mm
  • Launched February 2010
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Pentax K-3 vs Pentax W90 Overview

Let's take a deeper look at the Pentax K-3 vs Pentax W90, former being a Advanced DSLR while the latter is a Waterproof and both of them are manufactured by Pentax. There is a noticeable difference among the resolutions of the K-3 (24MP) and W90 (12MP) and the K-3 (APS-C) and W90 (1/2.3") have different sensor dimensions.

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The K-3 was launched 4 years later than the W90 and that is a fairly sizable difference as far as camera tech is concerned. Each of these cameras have different body design with the Pentax K-3 being a Mid-size SLR camera and the Pentax W90 being a Compact camera.

Before we go straight to a comprehensive comparison, here is a quick introduction of how the K-3 matches up vs the W90 with respect to portability, imaging, features and an overall rating.

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Reasons to pick Pentax K-3 over the Pentax W90

 K-3 W90 
LaunchedApril 2014February 2010Fresher by 51 months
Screen dimensions3.2"2.7"Bigger screen (+0.5")
Screen resolution1037k230kCrisper screen (+807k dot)

Reasons to pick Pentax W90 over the Pentax K-3

 W90 K-3 

Common features in the Pentax K-3 and Pentax W90

 K-3 W90 
Manual focus More accurate focusing
Screen typeFixed Fixed Fixed screen
Selfie screen Neither has selfie screen
Touch friendly screen Neither has Touch friendly screen

Pentax K-3 vs Pentax W90 Physical Comparison

If you are looking to carry your camera frequently, you have to think about its weight and size. The Pentax K-3 has external dimensions of 131mm x 100mm x 77mm (5.2" x 3.9" x 3.0") having a weight of 800 grams (1.76 lbs) and the Pentax W90 has specifications of 108mm x 59mm x 25mm (4.3" x 2.3" x 1.0") accompanied by a weight of 164 grams (0.36 lbs).

Examine the Pentax K-3 vs Pentax W90 in our newest Camera plus Lens Size Comparison Tool. Camera Size Comparison with Lenses

Always remember, the weight of an ILC will change depending on the lens you have attached during that time. The following is a front view overall size comparison of the K-3 vs the W90.

Pentax K-3 vs Pentax W90 size comparison

Considering size and weight, the portability score of the K-3 and W90 is 59 and 94 respectively.

Pentax K-3 vs Pentax W90 top view buttons comparison

Pentax K-3 vs Pentax W90 Sensor Comparison

Often, it is very tough to imagine the gap in sensor sizing just by seeing a spec sheet. The photograph underneath may offer you a much better sense of the sensor sizes in the K-3 and W90.

Clearly, both of those cameras provide different megapixels and different sensor sizing. The K-3 featuring a bigger sensor is going to make shooting shallower DOF simpler and the Pentax K-3 will produce more detail utilizing its extra 12 Megapixels. Higher resolution can also let you crop photographs more aggressively. The younger K-3 should have a benefit in sensor tech.

Pentax K-3 vs Pentax W90 sensor size comparison

Pentax K-3 vs Pentax W90 Screen and ViewFinder

Pentax K-3 vs Pentax W90 Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Pentax K-3 Portrait photography info
Pentax W90 Portrait photography info
79
has manual focus
megapixel count decent (24 megapixels)
sensor size is good (APS-C)
provides face detection focusing
exports RAW formats
27
manual focus
lack of manual mode
cannot use external flash
sensor resolution low (12MP)
sensor is tiny (1/2.3")
has no RAW support
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Street Comparison

Pentax K-3 Street photography advice
Pentax W90 Street photography advice
69
image stabilization (Sensor based)
sensor size is good (APS-C)
exports RAW formats
environment sealing
good high ISO (51,200)
no articulating screen
54
weather proof
screen does not articulate
does not have image stabilization
sensor is tiny (1/2.3")
has no RAW support
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Sports Comparison

Sports photography with Pentax K-3
Sports photography with Pentax W90
76
high shutter speed (1/8,000 seconds)
image stabilization (Sensor based)
megapixel count decent (24 megapixels)
sensor size is good (APS-C)
provides tracking autofocus
environment sealing
comes with phase detect AF
not so great battery power (560 shots)
24
weather proof
painfully slow continuous shooting (1.0 frames/s)
no shutter priority mode
does not have image stabilization
sensor resolution low (12MP)
sensor is tiny (1/2.3")
has no phase detect auto focus
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Travel Comparison

Pentax K-3 Travel photography features
Pentax W90 Travel photography features
60
environment sealing
megapixel count decent (24 megapixels)
built-in flash
not so great battery power (560 shots)
doesn't feature selfie friendly screen
64
weather proof
has built in flash
reasonably wide (28mm)
sensor resolution low (12MP)
doesn't offer selfie friendly screen
slow max aperture (f3.5)
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Landscape Comparison

Landscape photography with Pentax K-3
Landscape photography with Pentax W90
77
has manual focus
change lenses (Pentax KAF2 mount)
pretty good screen size (3.2")
image stabilization (Sensor based)
megapixel count decent (24 megapixels)
sensor size is good (APS-C)
doesnt have anti-alias filter
good high ISO (51,200)
exports RAW formats
environment sealing
has dual storage slots
not so great battery power (560 shots)
37
manual focus
reasonably wide (28mm)
weather proof
can't switch lenses (fixed lens mount)
slow max aperture (f3.5)
tiny screen (2.7 inch)
lack of manual mode
does not have image stabilization
sensor resolution low (12 megapixels)
sensor is tiny (1/2.3")
has no RAW support
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Vlogging Comparison

Pentax K-3 Vlogging highlights
Pentax W90 Vlogging highlights
34
image stabilization (Sensor based)
provides face detection focusing
video res high (1920 x 1080 pixels)
does have external microphone jack
doesn't feature selfie friendly screen
25
reasonably wide (28mm)
slow max aperture (f3.5)
doesn't offer selfie friendly screen
does not have image stabilization
video res low (1280 x 720 pixels)
lack of microphone socket
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Pentax K-3 vs Pentax W90 Specifications

Detailed spec comparison table for Pentax K-3 and Pentax W90
 Pentax K-3Pentax Optio W90
General Information
Manufacturer Pentax Pentax
Model type Pentax K-3 Pentax Optio W90
Type Advanced DSLR Waterproof
Revealed 2014-04-10 2010-02-24
Physical type Mid-size SLR Compact
Sensor Information
Processor Chip Prime III Prime
Sensor type CMOS CCD
Sensor size APS-C 1/2.3"
Sensor measurements 23.5 x 15.6mm 6.17 x 4.55mm
Sensor surface area 366.6mm² 28.1mm²
Sensor resolution 24MP 12MP
Anti alias filter
Aspect ratio 3:2 4:3, 3:2 and 16:9
Highest resolution 6016 x 4000 4000 x 3000
Highest native ISO 51200 6400
Minimum native ISO 100 80
RAW support
Autofocusing
Focus manually
AF touch
AF continuous
Single AF
Tracking AF
AF selectice
AF center weighted
Multi area AF
Live view AF
Face detection focusing
Contract detection focusing
Phase detection focusing
Total focus points 27 9
Cross type focus points 25 -
Lens
Lens support Pentax KAF2 fixed lens
Lens zoom range - 28-140mm (5.0x)
Maximal aperture - f/3.5-5.5
Macro focusing range - 1cm
Total lenses 151 -
Crop factor 1.5 5.8
Screen
Type of screen Fixed Type Fixed Type
Screen sizing 3.2 inch 2.7 inch
Resolution of screen 1,037 thousand dots 230 thousand dots
Selfie friendly
Liveview
Touch screen
Screen tech TFT LCD monitor -
Viewfinder Information
Viewfinder type Optical (pentaprism) None
Viewfinder coverage 100% -
Viewfinder magnification 0.64x -
Features
Slowest shutter speed 30 seconds 4 seconds
Maximum shutter speed 1/8000 seconds 1/1500 seconds
Continuous shooting rate 8.0 frames/s 1.0 frames/s
Shutter priority
Aperture priority
Manually set exposure
Exposure compensation Yes -
Set WB
Image stabilization
Built-in flash
Flash distance 13.00 m (at ISO 100) 3.90 m
Flash options Auto, on, off, red-eye, slow sync, slow sync + red-eye, trailing curtain sync, high speed, wireless, manual Auto, On, Off, Red-eye, Soft
Hot shoe
AE bracketing
WB bracketing
Maximum flash synchronize 1/180 seconds -
Exposure
Multisegment
Average
Spot
Partial
AF area
Center weighted
Video features
Video resolutions 1920 x 1080 (60i, 50i, 30p, 25p, 24p), 1280 x 720 (60p, 50p, 30p, 25p, 24p) 1280 x 720 (30, 15 fps), 640 x 480 (30, 15 fps), 320 x 240 (30, 15 fps)
Highest video resolution 1920x1080 1280x720
Video format MPEG-4, H.264 Motion JPEG
Microphone port
Headphone port
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
Environment sealing
Water proofing
Dust proofing
Shock proofing
Crush proofing
Freeze proofing
Weight 800 gr (1.76 lbs) 164 gr (0.36 lbs)
Physical dimensions 131 x 100 x 77mm (5.2" x 3.9" x 3.0") 108 x 59 x 25mm (4.3" x 2.3" x 1.0")
DXO scores
DXO All around rating 80 not tested
DXO Color Depth rating 23.7 not tested
DXO Dynamic range rating 13.4 not tested
DXO Low light rating 1216 not tested
Other
Battery life 560 photos -
Battery type Battery Pack -
Battery ID D-LI90 D-LI68
Self timer Yes ( 2 or 12 seconds) Yes (2 or 10 sec)
Time lapse recording
Type of storage Dual SD/SDHC/SDXC SD/SDHC card, Internal
Card slots 2 One
Cost at launch $639 $120