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Panasonic GM5 vs Pentax K20D

Portability
91
Imaging
53
Features
62
Overall
56
Panasonic Lumix DMC-GM5 front
 
Pentax K20D front
Portability
59
Imaging
53
Features
52
Overall
52

Panasonic GM5 vs Pentax K20D Key Specs

Panasonic GM5
(Full Review)
  • 16MP - Four Thirds Sensor
  • 3" Fixed Screen
  • ISO 200 - 25600
  • 1920 x 1080 video
  • Micro Four Thirds Mount
  • 211g - 99 x 60 x 36mm
  • Introduced September 2014
  • Earlier Model is Panasonic GM1
Pentax K20D
(Full Review)
  • 15MP - APS-C Sensor
  • 2.7" Fixed Display
  • ISO 100 - 3200 (Bump to 6400)
  • Sensor based Image Stabilization
  • No Video
  • Pentax KAF2 Mount
  • 800g - 142 x 101 x 70mm
  • Introduced June 2008
  • Previous Model is Pentax K10D
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Panasonic GM5 vs Pentax K20D Overview

Below, we are analyzing the Panasonic GM5 vs Pentax K20D, one is a Entry-Level Mirrorless and the other is a Advanced DSLR by rivals Panasonic and Pentax. The image resolution of the GM5 (16MP) and the K20D (15MP) is very well matched but the GM5 (Four Thirds) and K20D (APS-C) possess different sensor sizing.

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The GM5 was introduced 6 years after the K20D which is quite a sizable gap as far as tech is concerned. Both the cameras come with different body type with the Panasonic GM5 being a Rangefinder-style mirrorless camera and the Pentax K20D being a Mid-size SLR camera.

Before we go straight into a comprehensive comparison, below is a quick overview of how the GM5 grades versus the K20D with respect to portability, imaging, features and an overall mark.

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Reasons to pick Panasonic GM5 over the Pentax K20D

 GM5 K20D 
IntroducedSeptember 2014June 2008Newer by 76 months
Display dimension3"2.7"Larger display (+0.3")
Display resolution921k230kSharper display (+691k dot)
Touch display Easily navigate

Reasons to pick Pentax K20D over the Panasonic GM5

 K20D GM5 

Common features in the Panasonic GM5 and Pentax K20D

 GM5 K20D 
Manual focus Very accurate focus
Display typeFixed Fixed Fixed display
Selfie screen Neither offers selfie screen

Panasonic GM5 vs Pentax K20D Physical Comparison

If you're aiming to travel with your camera often, you'll have to factor its weight and proportions. The Panasonic GM5 offers outer measurements of 99mm x 60mm x 36mm (3.9" x 2.4" x 1.4") accompanied by a weight of 211 grams (0.47 lbs) whilst the Pentax K20D has measurements of 142mm x 101mm x 70mm (5.6" x 4.0" x 2.8") along with a weight of 800 grams (1.76 lbs).

See the Panasonic GM5 vs Pentax K20D in the new Camera and Lens Size Comparison Tool. Camera Size Comparison with Lenses

Take into account, the weight of an Interchangeable Lens Camera will change based on the lens you are using during that time. Below is the front view size comparison of the GM5 versus the K20D.

Panasonic GM5 vs Pentax K20D size comparison

Taking into consideration size and weight, the portability rating of the GM5 and K20D is 91 and 59 respectively.

Panasonic GM5 vs Pentax K20D top view buttons comparison

Panasonic GM5 vs Pentax K20D Sensor Comparison

Generally, it can be difficult to visualize the gap between sensor dimensions simply by looking at technical specs. The image below will help give you a better sense of the sensor sizing in the GM5 and K20D.

As you can tell, each of these cameras posses different resolutions and different sensor dimensions. The GM5 with its tinier sensor is going to make achieving bokeh trickier and the Panasonic GM5 will give you greater detail using its extra 1 Megapixels. Greater resolution will allow you to crop pics somewhat more aggressively. The fresher GM5 should have an edge in sensor technology.

Panasonic GM5 vs Pentax K20D sensor size comparison

Panasonic GM5 vs Pentax K20D Screen and ViewFinder

Panasonic GM5 vs Pentax K20D Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Panasonic GM5 Portrait photography highlights
Pentax K20D Portrait photography highlights
71
focusing manually
MP count good (16 megapixels)
nice sensor size (Four Thirds)
features face detection focus
exports RAW files
71
you can focus manually
decent sensor resolution (15 megapixels)
nice sensor size (APS-C)
exports RAW formats
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Street Comparison

Street photography with Panasonic GM5
Street photography with Pentax K20D
76
nice sensor size (Four Thirds)
exports RAW files
provides touch to focus
lighter than competition in class (211 grams)
good high ISO (25,600)
screen does not articulate
no image stabilization
65
image stabilization (Sensor based)
nice sensor size (APS-C)
exports RAW formats
weather proof
no articulating screen
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Sports Comparison

Panasonic GM5 Sports photography highlights
Pentax K20D Sports photography highlights
48
quiet shutter (1/16,000s)
MP count good (16 megapixels)
nice sensor size (Four Thirds)
features tracking autofocus
maximum shutter speed is a little low (1/500s)
very slow continuous shooting (5.8 frames per second)
no image stabilization
terrible battery power (220 shots)
lacks phase detect auto focus
68
image stabilization (Sensor based)
decent sensor resolution (15 megapixels)
nice sensor size (APS-C)
weather proof
comes with phase detect AF
low fps (3.0 frames/s)
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Travel Comparison

Panasonic GM5 as a Travel photography camera
Pentax K20D as a Travel photography camera
71
lighter than competition in class (211 grams)
provides touch to focus
MP count good (16 megapixels)
terrible battery power (220 shots)
doesn't have selfie friendly display
64
weather proof
decent sensor resolution (15 megapixels)
has built in flash
screen is not selfie friendly
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Landscape Comparison

Panasonic GM5 Landscape photography info
Pentax K20D Landscape photography info
69
focusing manually
switch lenses (Micro Four Thirds mount)
pretty good screen size (3 inches)
MP count good (16 megapixels)
nice sensor size (Four Thirds)
good high ISO (25,600)
exports RAW files
no image stabilization
terrible battery power (220 shots)
70
you can focus manually
change lenses (Pentax KAF2 mount)
image stabilization (Sensor based)
decent sensor resolution (15 megapixels)
nice sensor size (APS-C)
exports RAW formats
weather proof
screen is small (2.7 inch)
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Vlogging Comparison

Panasonic GM5 as a Vlogging camera
Pentax K20D as a Vlogging camera
34
touchscreen enabled
features face detection focus
video resolution high (1920 x 1080 pxls)
lighter than competition in class (211 grams)
doesn't have selfie friendly display
no image stabilization
doesn't have external mic jack
9
no video recording
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Panasonic GM5 vs Pentax K20D Specifications

Detailed spec comparison table for Panasonic GM5 and Pentax K20D
 Panasonic Lumix DMC-GM5Pentax K20D
General Information
Make Panasonic Pentax
Model type Panasonic Lumix DMC-GM5 Pentax K20D
Type Entry-Level Mirrorless Advanced DSLR
Introduced 2014-09-15 2008-06-25
Physical type Rangefinder-style mirrorless Mid-size SLR
Sensor Information
Chip Venus Engine -
Sensor type CMOS CMOS
Sensor size Four Thirds APS-C
Sensor measurements 17.3 x 13mm 23.4 x 15.6mm
Sensor area 224.9mm² 365.0mm²
Sensor resolution 16 megapixel 15 megapixel
Anti alias filter
Aspect ratio 1:1, 4:3, 3:2 and 16:9 3:2
Maximum resolution 4592 x 3448 4672 x 3104
Maximum native ISO 25600 3200
Maximum boosted ISO - 6400
Min native ISO 200 100
RAW data
Min boosted ISO 100 -
Autofocusing
Manual focusing
AF touch
Continuous AF
AF single
Tracking AF
Selective AF
Center weighted AF
AF multi area
AF live view
Face detection AF
Contract detection AF
Phase detection AF
Total focus points 23 11
Lens
Lens mount type Micro Four Thirds Pentax KAF2
Amount of lenses 107 151
Crop factor 2.1 1.5
Screen
Type of screen Fixed Type Fixed Type
Screen sizing 3 inches 2.7 inches
Resolution of screen 921 thousand dots 230 thousand dots
Selfie friendly
Liveview
Touch friendly
Viewfinder Information
Viewfinder type Electronic Optical (pentaprism)
Viewfinder resolution 1,166 thousand dots -
Viewfinder coverage 100% 95%
Viewfinder magnification 0.46x 0.64x
Features
Lowest shutter speed 60s 30s
Highest shutter speed 1/500s 1/4000s
Highest silent shutter speed 1/16000s -
Continuous shooting rate 5.8 frames/s 3.0 frames/s
Shutter priority
Aperture priority
Manual mode
Exposure compensation Yes Yes
Set WB
Image stabilization
Built-in flash
Flash distance no built-in flash 13.00 m (at ISO 100)
Flash options Auto, auto w/redeye reduction, on, on w/redeye reduction, slow sync, slow sync w/redeye reduction, off Auto, Red-Eye, Slow, Red-Eye Slow, Rear curtain, wireless
Hot shoe
AEB
White balance bracketing
Highest flash synchronize - 1/180s
Exposure
Multisegment metering
Average metering
Spot metering
Partial metering
AF area metering
Center weighted metering
Video features
Supported video resolutions 1920 x 1080 (60p, 60i, 50p, 50i, 25p, 24p), 1280 x 720 (30p, 25p), 640 x 480 (30p, 25p) -
Maximum video resolution 1920x1080 None
Video file format MPEG-4, AVCHD -
Microphone support
Headphone support
Connectivity
Wireless Built-In 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 211 gr (0.47 lbs) 800 gr (1.76 lbs)
Dimensions 99 x 60 x 36mm (3.9" x 2.4" x 1.4") 142 x 101 x 70mm (5.6" x 4.0" x 2.8")
DXO scores
DXO All around rating 66 65
DXO Color Depth rating 22.1 22.9
DXO Dynamic range rating 11.7 11.1
DXO Low light rating 721 639
Other
Battery life 220 pictures -
Battery style Battery Pack -
Battery ID DMW-BLH7 D-LI50
Self timer Yes (2 or 10 sec, 10 sec (3 images)) Yes (2 or 10 sec)
Time lapse recording
Storage type SD/SDHC/SDXC SD/MMC/SDHC card
Card slots Single Single
Launch price $966 $700