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Canon A3400 IS vs Pentax K20D

Portability
96
Imaging
39
Features
35
Overall
37
Canon PowerShot A3400 IS front
 
Pentax K20D front
Portability
59
Imaging
54
Features
52
Overall
53

Canon A3400 IS vs Pentax K20D Key Specs

Canon A3400 IS
(Full Review)
  • 16MP - 1/2.3" Sensor
  • 3" Fixed Screen
  • ISO 100 - 1600
  • Optical Image Stabilization
  • 1280 x 720 video
  • 28-140mm (F2.8-6.9) lens
  • 126g - 94 x 56 x 21mm
  • Revealed February 2012
Pentax K20D
(Full Review)
  • 15MP - APS-C Sensor
  • 2.7" Fixed Screen
  • ISO 100 - 3200 (Increase to 6400)
  • Sensor based Image Stabilization
  • No Video
  • Pentax KAF2 Mount
  • 800g - 142 x 101 x 70mm
  • Introduced June 2008
  • Earlier Model is Pentax K10D
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Canon A3400 IS vs Pentax K20D Overview

Let's look more closely at the Canon A3400 IS and Pentax K20D, former being a Small Sensor Compact while the latter is a Advanced DSLR by brands Canon and Pentax. The resolution of the A3400 IS (16MP) and the K20D (15MP) is pretty close but the A3400 IS (1/2.3") and K20D (APS-C) posses totally different sensor dimensions.

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The A3400 IS was unveiled 3 years later than the K20D and that is a fairly big difference as far as camera tech is concerned. Each of these cameras have different body design with the Canon A3400 IS being a Compact camera and the Pentax K20D being a Mid-size SLR camera.

Before delving into a comprehensive comparison, here is a brief summation of how the A3400 IS scores against the K20D in regards to portability, imaging, features and an overall grade.

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Reasons to pick Canon A3400 IS over the Pentax K20D

 A3400 IS K20D 
IntroducedFebruary 2012June 2008More recent by 45 months
Screen dimensions3"2.7"Bigger screen (+0.3")
Touch screen Quickly navigate

Reasons to pick Pentax K20D over the Canon A3400 IS

 K20D A3400 IS 
Manual focus Very accurate focus

Common features in the Canon A3400 IS and Pentax K20D

 A3400 IS K20D 
Screen typeFixed Fixed Fixed screen
Screen resolution230k230kExact same screen resolution
Selfie screen Neither features selfie screen

Canon A3400 IS vs Pentax K20D Physical Comparison

For anyone who is intending to lug around your camera frequently, you should take into account its weight and dimensions. The Canon A3400 IS enjoys external measurements of 94mm x 56mm x 21mm (3.7" x 2.2" x 0.8") and a weight of 126 grams (0.28 lbs) whilst the Pentax K20D has dimensions of 142mm x 101mm x 70mm (5.6" x 4.0" x 2.8") with a weight of 800 grams (1.76 lbs).

Take a look at the Canon A3400 IS and Pentax K20D in our brand new Camera & Lens Size Comparison Tool. Camera Size Comparison with Lenses

Always remember, the weight of an ILC will differ dependant on the lens you choose during that time. Following is a front view scale comparison of the A3400 IS and the K20D.

Canon A3400 IS vs Pentax K20D size comparison

Taking into account size and weight, the portability grade of the A3400 IS and K20D is 96 and 59 respectively.

Canon A3400 IS vs Pentax K20D top view buttons comparison

Canon A3400 IS vs Pentax K20D Sensor Comparison

Often, it is hard to visualise the contrast in sensor measurements merely by looking through technical specs. The graphic here will help offer you a clearer sense of the sensor measurements in the A3400 IS and K20D.

As you can tell, both cameras have different megapixels and different sensor measurements. The A3400 IS having a smaller sensor will make achieving shallower depth of field trickier and the Canon A3400 IS will render greater detail having an extra 1MP. Higher resolution can also let you crop shots a bit more aggressively. The younger A3400 IS will have a benefit with regard to sensor technology.

Canon A3400 IS vs Pentax K20D sensor size comparison

Canon A3400 IS vs Pentax K20D Screen and ViewFinder

Canon A3400 IS vs Pentax K20D Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Canon A3400 IS Portrait photography information
Pentax K20D Portrait photography information
34
resolution is good (16MP)
includes face detect autofocus
no manual focus
manual mode not available
cannot use external flash
very small sensor size (1/2.3")
lacks RAW files
72
has manual focus
megapixel count decent (15 megapixels)
sensor size is decent (APS-C)
supports RAW formats
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Street Comparison

Canon A3400 IS as a Street photography camera
Pentax K20D as a Street photography camera
67
image stabilization (Optical)
boasts focus via touch
lighter than average in class (126g)
no articulating screen
very small sensor size (1/2.3")
lacks RAW files
65
built in image stabilization (Sensor based)
sensor size is decent (APS-C)
supports RAW formats
weather proof
fixed screen
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Sports Comparison

Canon A3400 IS as a Sports photography camera
Pentax K20D as a Sports photography camera
38
image stabilization (Optical)
resolution is good (16 megapixels)
includes tracking focus
very slow continuous shooting (1.0 frames/s)
no shutter priority
very small sensor size (1/2.3")
not so great battery power (180 per charge)
lacks phase detect autofocus
68
built in image stabilization (Sensor based)
megapixel count decent (15MP)
sensor size is decent (APS-C)
weather proof
has phase detect autofocus
painfully slow continuous shooting (3.0 fps)
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Travel Comparison

Canon A3400 IS Travel photography advice
Pentax K20D Travel photography advice
68
lighter than average in class (126 grams)
boasts focus via touch
resolution is good (16 megapixels)
flash built-in
quite wide (28mm)
does not have Time Lapse recording
not so great battery power (180 CIPA)
display isn't selfie friendly
sluggish max aperture (f2.8)
64
weather proof
megapixel count decent (15 megapixels)
built-in flash
screen is not selfie friendly
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Landscape Comparison

Canon A3400 IS Landscape photography details
Pentax K20D Landscape photography details
41
quite wide (28mm)
good sized screen (3 inch)
image stabilization (Optical)
resolution is good (16 megapixels)
no manual focus
lens is fixed (fixed lens mount)
sluggish max aperture (f2.8)
manual mode not available
very small sensor size (1/2.3")
lacks RAW files
not so great battery power (180 per charge)
does not have Time Lapse recording
71
has manual focus
swap lenses (Pentax KAF2 mount)
built in image stabilization (Sensor based)
megapixel count decent (15MP)
sensor size is decent (APS-C)
supports RAW formats
weather proof
screen is somewhat small (2.7 inches)
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Vlogging Comparison

Canon A3400 IS Vlogging information
Pentax K20D Vlogging information
34
quite wide (28mm)
built-in touchscreen
image stabilization (Optical)
includes face detect autofocus
lighter than average in class (126 grams)
sluggish max aperture (f2.8)
display isn't selfie friendly
video quality not great (1280 x 720 pixels)
does not have mic port
9
no video
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Canon A3400 IS vs Pentax K20D Specifications

Detailed spec comparison table for Canon A3400 IS and Pentax K20D
 Canon PowerShot A3400 ISPentax K20D
General Information
Make Canon Pentax
Model type Canon PowerShot A3400 IS Pentax K20D
Class Small Sensor Compact Advanced DSLR
Revealed 2012-02-07 2008-06-25
Physical type Compact Mid-size SLR
Sensor Information
Sensor type CCD CMOS
Sensor size 1/2.3" APS-C
Sensor dimensions 6.17 x 4.55mm 23.4 x 15.6mm
Sensor area 28.1mm² 365.0mm²
Sensor resolution 16 megapixel 15 megapixel
Anti alias filter
Aspect ratio 4:3 and 16:9 3:2
Max resolution 4608 x 3456 4672 x 3104
Max native ISO 1600 3200
Max enhanced ISO - 6400
Min native ISO 100 100
RAW pictures
Autofocusing
Focus manually
Touch to focus
Autofocus continuous
Autofocus single
Autofocus tracking
Autofocus selectice
Autofocus center weighted
Multi area autofocus
Live view autofocus
Face detection focus
Contract detection focus
Phase detection focus
Total focus points 9 11
Lens
Lens support fixed lens Pentax KAF2
Lens zoom range 28-140mm (5.0x) -
Largest aperture f/2.8-6.9 -
Macro focusing distance 3cm -
Total lenses - 151
Crop factor 5.8 1.5
Screen
Screen type Fixed Type Fixed Type
Screen size 3" 2.7"
Screen resolution 230 thousand dots 230 thousand dots
Selfie friendly
Liveview
Touch friendly
Viewfinder Information
Viewfinder type None Optical (pentaprism)
Viewfinder coverage - 95%
Viewfinder magnification - 0.64x
Features
Min shutter speed 15 seconds 30 seconds
Max shutter speed 1/2000 seconds 1/4000 seconds
Continuous shutter rate 1.0 frames/s 3.0 frames/s
Shutter priority
Aperture priority
Manual mode
Exposure compensation - Yes
Custom white balance
Image stabilization
Integrated flash
Flash distance 3.00 m 13.00 m (at ISO 100)
Flash settings Auto, On, Off, Red-Eye, Slow Sync Auto, Red-Eye, Slow, Red-Eye Slow, Rear curtain, wireless
External flash
AE bracketing
White balance bracketing
Max flash synchronize - 1/180 seconds
Exposure
Multisegment exposure
Average exposure
Spot exposure
Partial exposure
AF area exposure
Center weighted exposure
Video features
Video resolutions 1280 x 720 (25 fps) 640 x 480 (30 fps) -
Max video resolution 1280x720 None
Video file format H.264 -
Mic port
Headphone port
Connectivity
Wireless None None
Bluetooth
NFC
HDMI
USB USB 2.0 (480 Mbit/sec) USB 2.0 (480 Mbit/sec)
GPS None None
Physical
Environment sealing
Water proofing
Dust proofing
Shock proofing
Crush proofing
Freeze proofing
Weight 126 grams (0.28 lbs) 800 grams (1.76 lbs)
Physical dimensions 94 x 56 x 21mm (3.7" x 2.2" x 0.8") 142 x 101 x 70mm (5.6" x 4.0" x 2.8")
DXO scores
DXO Overall rating not tested 65
DXO Color Depth rating not tested 22.9
DXO Dynamic range rating not tested 11.1
DXO Low light rating not tested 639
Other
Battery life 180 shots -
Battery type Battery Pack -
Battery ID NB-11L D-LI50
Self timer Yes (2 or 10 sec, Custom) Yes (2 or 10 sec)
Time lapse shooting
Type of storage SD/SDHC/SDXC SD/MMC/SDHC card
Card slots One One
Pricing at release $230 $700