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Olympus E-M1X vs Pentax K20D

Portability
54
Imaging
62
Features
93
Overall
74
Olympus OM-D E-M1X front
 
Pentax K20D front
Portability
59
Imaging
54
Features
52
Overall
53

Olympus E-M1X vs Pentax K20D Key Specs

Olympus E-M1X
(Full Review)
  • 20MP - Four Thirds Sensor
  • 3" Fully Articulated Display
  • ISO 200 - 25600
  • Sensor based 5-axis Image Stabilization
  • 1/8000s Maximum Shutter
  • 4096 x 2160 video
  • Micro Four Thirds Mount
  • 997g - 144 x 147 x 75mm
  • Introduced January 2019
  • Previous Model is Olympus E-M1 II
Pentax K20D
(Full Review)
  • 15MP - APS-C Sensor
  • 2.7" Fixed Screen
  • ISO 100 - 3200 (Expand to 6400)
  • Sensor based Image Stabilization
  • No Video
  • Pentax KAF2 Mount
  • 800g - 142 x 101 x 70mm
  • Launched June 2008
  • Replaced the Pentax K10D
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Olympus E-M1X vs Pentax K20D Overview

Below, we will be matching up the Olympus E-M1X versus Pentax K20D, former being a Pro Mirrorless while the latter is a Advanced DSLR by manufacturers Olympus and Pentax. There exists a substantial gap among the sensor resolutions of the E-M1X (20MP) and K20D (15MP) and the E-M1X (Four Thirds) and K20D (APS-C) possess totally different sensor dimensions.

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The E-M1X was unveiled 10 years later than the K20D and that is a fairly big difference as far as camera technology is concerned. Both of the cameras come with different body type with the Olympus E-M1X being a SLR-style mirrorless camera and the Pentax K20D being a Mid-size SLR camera.

Before going through a detailed comparison, below is a brief synopsis of how the E-M1X matches up vs the K20D with regards to portability, imaging, features and an overall rating.

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Reasons to pick Olympus E-M1X over the Pentax K20D

 E-M1X K20D 
LaunchedJanuary 2019June 2008Fresher by 129 months
Screen typeFully ArticulatedFixed Fully Articulating screen
Screen dimension3"2.7"Bigger screen (+0.3")
Screen resolution1037k230kSharper screen (+807k dot)
Selfie screen Easy selfies
Touch friendly screen Quickly navigate

Reasons to pick Pentax K20D over the Olympus E-M1X

 K20D E-M1X 

Common features in the Olympus E-M1X and Pentax K20D

 E-M1X K20D 
Manual focus More exact focus

Olympus E-M1X vs Pentax K20D Physical Comparison

If you're going to carry your camera regularly, you'll have to think about its weight and volume. The Olympus E-M1X comes with outside measurements of 144mm x 147mm x 75mm (5.7" x 5.8" x 3.0") and a weight of 997 grams (2.20 lbs) whilst the Pentax K20D has sizing of 142mm x 101mm x 70mm (5.6" x 4.0" x 2.8") along with a weight of 800 grams (1.76 lbs).

Examine the Olympus E-M1X versus Pentax K20D in our newest Camera plus Lens Size Comparison Tool. Camera Size Comparison with Lenses

Take into consideration, the weight of an ILC will vary dependant on the lens you have chosen at that time. Underneath is the front view over all size comparison of the E-M1X versus the K20D.

Olympus E-M1X vs Pentax K20D size comparison

Taking into account dimensions and weight, the portability grade of the E-M1X and K20D is 54 and 59 respectively.

Olympus E-M1X vs Pentax K20D top view buttons comparison

Olympus E-M1X vs Pentax K20D Sensor Comparison

Normally, it can be tough to see the contrast in sensor sizing purely by researching specs. The graphic underneath should offer you a more clear sense of the sensor measurements in the E-M1X and K20D.

As you can plainly see, the two cameras posses different megapixels and different sensor sizing. The E-M1X with its smaller sensor will make shooting bokeh harder and the Olympus E-M1X will provide you with extra detail having an extra 5 Megapixels. Higher resolution will help you crop pictures somewhat more aggressively. The newer E-M1X is going to have an advantage in sensor tech.

Olympus E-M1X vs Pentax K20D sensor size comparison

Olympus E-M1X vs Pentax K20D Screen and ViewFinder

Olympus E-M1X vs Pentax K20D Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Olympus E-M1X as a Portrait photography camera
Pentax K20D as a Portrait photography camera
77
has manual focus
good MP (20MP)
sensor size is decent (Four Thirds)
includes face detect focusing
delivers RAW formats
72
focusing manually
MP count good (15 megapixels)
nice sensor size (APS-C)
supports RAW files
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Street Comparison

Olympus E-M1X as a Street photography camera
Pentax K20D as a Street photography camera
67
screen can move to multiple angles
has image stabilization (Sensor based 5-axis)
sensor size is decent (Four Thirds)
delivers RAW formats
supports focus via touch
environment proofing
above average ISO range (25,600)
heavier than average in class (997g)
65
built in image stabilization (Sensor based)
nice sensor size (APS-C)
supports RAW files
weather proof
screen is fixed
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Sports Comparison

Olympus E-M1X as a Sports photography camera
Pentax K20D as a Sports photography camera
81
great max shutter speed (1/8,000s)
quiet shutter (1/32,000s)
high frames per second (60.0 frames/s)
has image stabilization (Sensor based 5-axis)
good MP (20MP)
sensor size is decent (Four Thirds)
includes tracking focus
environment proofing
great battery life (870 CIPA)
supports phase detect AF
68
built in image stabilization (Sensor based)
MP count good (15MP)
nice sensor size (APS-C)
weather proof
comes with phase detect auto focus
slow fps (3.0 frames/s)
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Travel Comparison

Olympus E-M1X Travel photography features
Pentax K20D Travel photography features
68
great battery life (870 shots)
environment proofing
supports bluetooth
supports focus via touch
good MP (20MP)
display is selfie friendly
heavier than average in class (997 grams)
64
weather proof
MP count good (15 megapixels)
built-in flash
display isn't selfie friendly
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Landscape Comparison

Landscape photography with Olympus E-M1X
Landscape photography with Pentax K20D
80
has manual focus
switch lenses (Micro Four Thirds mount)
screen size is good (3")
has image stabilization (Sensor based 5-axis)
good MP (20 megapixels)
sensor size is decent (Four Thirds)
above average ISO range (25,600)
delivers RAW formats
environment proofing
great battery life (870 per charge)
two card slots
71
focusing manually
switch lenses (Pentax KAF2 mount)
built in image stabilization (Sensor based)
MP count good (15 megapixels)
nice sensor size (APS-C)
supports RAW files
weather proof
screen is somewhat small (2.7")
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Vlogging Comparison

Olympus E-M1X Vlogging features
Pentax K20D Vlogging features
68
display is selfie friendly
touch screen
has image stabilization (Sensor based 5-axis)
includes face detect focusing
high res video (4096 x 2160 resolution)
comes with mic socket
heavier than average in class (997g)
9
no video
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Olympus E-M1X vs Pentax K20D Specifications

Detailed spec comparison table for Olympus E-M1X and Pentax K20D
 Olympus OM-D E-M1XPentax K20D
General Information
Make Olympus Pentax
Model Olympus OM-D E-M1X Pentax K20D
Category Pro Mirrorless Advanced DSLR
Introduced 2019-01-24 2008-06-25
Physical type SLR-style mirrorless Mid-size SLR
Sensor Information
Processor Chip Dual TruePic VIII -
Sensor type CMOS CMOS
Sensor size Four Thirds APS-C
Sensor dimensions 17.4 x 13mm 23.4 x 15.6mm
Sensor area 226.2mm² 365.0mm²
Sensor resolution 20 megapixels 15 megapixels
Anti aliasing filter
Aspect ratio 4:3 3:2
Highest Possible resolution 5184 x 3888 4672 x 3104
Maximum native ISO 25600 3200
Maximum enhanced ISO - 6400
Minimum native ISO 200 100
RAW format
Minimum enhanced ISO 64 -
Autofocusing
Manual focus
Touch focus
Autofocus continuous
Single autofocus
Autofocus tracking
Selective autofocus
Center weighted autofocus
Multi area autofocus
Autofocus live view
Face detect focus
Contract detect focus
Phase detect focus
Number of focus points 121 11
Lens
Lens mount Micro Four Thirds Pentax KAF2
Total lenses 107 151
Crop factor 2.1 1.5
Screen
Display type Fully Articulated Fixed Type
Display diagonal 3 inches 2.7 inches
Resolution of display 1,037k dots 230k dots
Selfie friendly
Liveview
Touch function
Viewfinder Information
Viewfinder Electronic Optical (pentaprism)
Viewfinder resolution 2,360k dots -
Viewfinder coverage 100 percent 95 percent
Viewfinder magnification 0.74x 0.64x
Features
Min shutter speed 60 secs 30 secs
Max shutter speed 1/8000 secs 1/4000 secs
Max quiet shutter speed 1/32000 secs -
Continuous shutter rate 60.0 frames/s 3.0 frames/s
Shutter priority
Aperture priority
Manual mode
Exposure compensation Yes Yes
Change white balance
Image stabilization
Inbuilt flash
Flash range no built-in flash 13.00 m (at ISO 100)
Flash options Redeye, Fill-in, Flash Off, Red-eye Slow sync (1st curtain), Slow sync.(1st curtain), Slow sync (2nd curtain), manual Auto, Red-Eye, Slow, Red-Eye Slow, Rear curtain, wireless
External flash
AE bracketing
White balance bracketing
Max flash synchronize - 1/180 secs
Exposure
Multisegment
Average
Spot
Partial
AF area
Center weighted
Video features
Video resolutions 4096 x 2160 @ 24p / 237 Mbps, MOV, H.264, Linear PCM -
Maximum video resolution 4096x2160 None
Video format MPEG-4, H.264 -
Mic support
Headphone support
Connectivity
Wireless Built-In None
Bluetooth
NFC
HDMI
USB Yes (USB-PD allows charging by laptop or external power bank) USB 2.0 (480 Mbit/sec)
GPS Built-in None
Physical
Environment sealing
Water proof
Dust proof
Shock proof
Crush proof
Freeze proof
Weight 997g (2.20 pounds) 800g (1.76 pounds)
Dimensions 144 x 147 x 75mm (5.7" x 5.8" x 3.0") 142 x 101 x 70mm (5.6" x 4.0" x 2.8")
DXO scores
DXO Overall score not tested 65
DXO Color Depth score not tested 22.9
DXO Dynamic range score not tested 11.1
DXO Low light score not tested 639
Other
Battery life 870 pictures -
Type of battery Built-in -
Battery model - D-LI50
Self timer Yes (2 or 12 secs, custom) Yes (2 or 10 sec)
Time lapse recording
Type of storage - SD/MMC/SDHC card
Card slots Dual Single
Retail pricing $2,999 $700