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Panasonic GX9 vs Pentax K100D

Portability
82
Imaging
61
Features
80
Overall
68
Panasonic Lumix DC-GX9 front
 
Pentax K100D front
Portability
64
Imaging
45
Features
36
Overall
41

Panasonic GX9 vs Pentax K100D Key Specs

Panasonic GX9
(Full Review)
  • 20MP - Four Thirds Sensor
  • 3" Tilting Screen
  • ISO 200 - 25600
  • Sensor based 5-axis Image Stabilization
  • No Anti-Alias Filter
  • 3840 x 2160 video
  • Micro Four Thirds Mount
  • 407g - 124 x 72 x 47mm
  • Announced February 2018
Pentax K100D
(Full Review)
  • 6MP - APS-C Sensor
  • 2.5" Fixed Display
  • ISO 200 - 3200
  • Sensor based Image Stabilization
  • No Video
  • Pentax KAF Mount
  • 660g - 129 x 93 x 70mm
  • Announced December 2006
  • Newer Model is Pentax K100D S
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Panasonic GX9 vs Pentax K100D Overview

Its time to take a more detailed look at the Panasonic GX9 and Pentax K100D, former being a Advanced Mirrorless while the other is a Entry-Level DSLR by manufacturers Panasonic and Pentax. There is a substantial difference between the resolutions of the GX9 (20MP) and K100D (6MP) and the GX9 (Four Thirds) and K100D (APS-C) come with totally different sensor sizes.

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The GX9 was introduced 11 years later than the K100D and that is quite a big difference as far as tech is concerned. Both of the cameras come with different body type with the Panasonic GX9 being a Rangefinder-style mirrorless camera and the Pentax K100D being a Compact SLR camera.

Before going through a detailed comparison, below is a concise view of how the GX9 grades versus the K100D when considering portability, imaging, features and an overall grade.

Photography Glossary
	
	

Reasons to pick Panasonic GX9 over the Pentax K100D

 GX9 K100D 
AnnouncedFebruary 2018December 2006More recent by 137 months
Display typeTiltingFixed Tilting display
Display dimension3"2.5"Larger display (+0.5")
Display resolution1240k210kCrisper display (+1030k dot)
Touch friendly display Easily navigate

Reasons to pick Pentax K100D over the Panasonic GX9

 K100D GX9 

Common features in the Panasonic GX9 and Pentax K100D

 GX9 K100D 
Manual focus Dial exact focus
Selfie screen Lack of selfie screen

Panasonic GX9 vs Pentax K100D Physical Comparison

If you are planning to lug around your camera, you'll need to think about its weight and size. The Panasonic GX9 offers outside dimensions of 124mm x 72mm x 47mm (4.9" x 2.8" x 1.9") and a weight of 407 grams (0.90 lbs) while the Pentax K100D has specifications of 129mm x 93mm x 70mm (5.1" x 3.7" x 2.8") along with a weight of 660 grams (1.46 lbs).

Check the Panasonic GX9 and Pentax K100D in our newest Camera & Lens Size Comparison Tool. Camera Size Comparison with Lenses

Do not forget, the weight of an ILC will change depending on the lens you have attached at that moment. Following is the front view overall size comparison of the GX9 vs the K100D.

Panasonic GX9 vs Pentax K100D size comparison

Taking into consideration size and weight, the portability rating of the GX9 and K100D is 82 and 64 respectively.

Panasonic GX9 vs Pentax K100D top view buttons comparison

Panasonic GX9 vs Pentax K100D Sensor Comparison

Generally, it's difficult to envision the contrast between sensor measurements merely by checking a spec sheet. The graphic underneath should offer you a greater sense of the sensor dimensions in the GX9 and K100D.

Clearly, each of these cameras have got different resolutions and different sensor measurements. The GX9 having a tinier sensor will make achieving shallow DOF tougher and the Panasonic GX9 will give greater detail using its extra 14 Megapixels. Greater resolution will also help you crop pics much more aggressively. The younger GX9 will have an edge when it comes to sensor innovation.

Panasonic GX9 vs Pentax K100D sensor size comparison

Panasonic GX9 vs Pentax K100D Screen and ViewFinder

Panasonic GX9 vs Pentax K100D Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Panasonic GX9 Portrait photography features
Pentax K100D Portrait photography features
76
has manual focus
decent MP (20MP)
decent sensor size (Four Thirds)
comes with face detect focus
saves RAW files
51
manual focus
sensor size is decent (APS-C)
saves RAW formats
does not have liveview
sensor resolution not great (6 megapixels)
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Street Comparison

Panasonic GX9 as a Street photography camera
Pentax K100D as a Street photography camera
84
tilting screen
image stabilization (Sensor based 5-axis)
decent sensor size (Four Thirds)
saves RAW files
provides focus by touch
above average high ISO (25,600)
58
built in image stabilization (Sensor based)
sensor size is decent (APS-C)
saves RAW formats
no moving screen
more heavy than others in class (660 grams)
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Sports Comparison

Panasonic GX9 Sports photography features
Pentax K100D Sports photography features
73
silent shutter (1/16,000s)
image stabilization (Sensor based 5-axis)
decent MP (20MP)
decent sensor size (Four Thirds)
comes with tracking focus
comes with phase detect auto focus
not so great battery (260 shots)
47
built in image stabilization (Sensor based)
sensor size is decent (APS-C)
comes with phase detect auto focus
does not have liveview
painfully slow continuous shooting (3.0 frames per second)
sensor resolution not great (6MP)
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Travel Comparison

Panasonic GX9 as a Travel photography camera
Pentax K100D as a Travel photography camera
71
has bluetooth
provides focus by touch
decent MP (20 megapixels)
has built in flash
not so great battery (260 shots)
doesn't offer selfie friendly screen
42
flash built-in
no Timelapse recording
more heavy than others in class (660g)
sensor resolution not great (6MP)
doesn't have a selfie friendly screen
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Landscape Comparison

Panasonic GX9 Landscape photography details
Pentax K100D Landscape photography details
77
has manual focus
swap lenses (Micro Four Thirds mount)
screen is a decent size (3 inches)
image stabilization (Sensor based 5-axis)
decent MP (20MP)
decent sensor size (Four Thirds)
doesnt have anti aliasing filter
above average high ISO (25,600)
saves RAW files
not so great battery (260 per charge)
52
manual focus
change lenses (Pentax KAF mount)
built in image stabilization (Sensor based)
sensor size is decent (APS-C)
saves RAW formats
tiny screen (2.5 inches)
does not have liveview
sensor resolution not great (6 megapixels)
no Timelapse recording
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Vlogging Comparison

Panasonic GX9 Vlogging features
Pentax K100D Vlogging features
35
built-in touchscreen
image stabilization (Sensor based 5-axis)
comes with face detect focus
video resolution high (3840 x 2160 pxls)
doesn't offer selfie friendly screen
does not have mic socket
9
can't record video
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Panasonic GX9 vs Pentax K100D Specifications

Detailed spec comparison table for Panasonic GX9 and Pentax K100D
 Panasonic Lumix DC-GX9Pentax K100D
General Information
Brand Panasonic Pentax
Model type Panasonic Lumix DC-GX9 Pentax K100D
Class Advanced Mirrorless Entry-Level DSLR
Announced 2018-02-13 2006-12-03
Physical type Rangefinder-style mirrorless Compact SLR
Sensor Information
Processor Chip Venus Engine -
Sensor type CMOS CCD
Sensor size Four Thirds APS-C
Sensor measurements 17.3 x 13mm 23.5 x 15.7mm
Sensor surface area 224.9mm² 369.0mm²
Sensor resolution 20 megapixel 6 megapixel
Anti alias filter
Aspect ratio 1:1, 4:3, 3:2 and 16:9 3:2
Full resolution 5184 x 3888 3008 x 2008
Max native ISO 25600 3200
Minimum native ISO 200 200
RAW format
Minimum boosted ISO 100 -
Autofocusing
Manual focusing
Autofocus touch
Autofocus continuous
Autofocus single
Autofocus tracking
Selective autofocus
Autofocus center weighted
Multi area autofocus
Autofocus live view
Face detection autofocus
Contract detection autofocus
Phase detection autofocus
Total focus points 49 11
Lens
Lens support Micro Four Thirds Pentax KAF
Total lenses 107 151
Crop factor 2.1 1.5
Screen
Type of screen Tilting Fixed Type
Screen diagonal 3 inches 2.5 inches
Resolution of screen 1,240k dots 210k dots
Selfie friendly
Liveview
Touch operation
Viewfinder Information
Viewfinder type Electronic Optical (pentamirror)
Viewfinder resolution 2,760k dots -
Viewfinder coverage 100 percent 96 percent
Viewfinder magnification 0.7x 0.57x
Features
Slowest shutter speed 60s 30s
Maximum shutter speed 1/4000s 1/4000s
Maximum silent shutter speed 1/16000s -
Continuous shooting rate 9.0fps 3.0fps
Shutter priority
Aperture priority
Manual mode
Exposure compensation Yes Yes
Set white balance
Image stabilization
Built-in flash
Flash distance 6.00 m (at ISO 200) -
Flash options Auto, auto w/redeye reduction, forced on, forced on w/redeye reduction, slow sync, slow sync w/redeye reduction, forced off Auto, On, Off, Red-eye reduction
Hot shoe
AE bracketing
White balance bracketing
Maximum flash synchronize - 1/180s
Exposure
Multisegment metering
Average metering
Spot metering
Partial metering
AF area metering
Center weighted metering
Video features
Max video resolution 3840x2160 None
Video data format MPEG-4, AVCHD, H.264 -
Microphone port
Headphone port
Connectivity
Wireless Built-In None
Bluetooth
NFC
HDMI
USB Yes USB 2.0 (480 Mbit/sec)
GPS None None
Physical
Environment sealing
Water proofing
Dust proofing
Shock proofing
Crush proofing
Freeze proofing
Weight 407 gr (0.90 pounds) 660 gr (1.46 pounds)
Dimensions 124 x 72 x 47mm (4.9" x 2.8" x 1.9") 129 x 93 x 70mm (5.1" x 3.7" x 2.8")
DXO scores
DXO All around rating not tested not tested
DXO Color Depth rating not tested not tested
DXO Dynamic range rating not tested not tested
DXO Low light rating not tested not tested
Other
Battery life 260 pictures -
Style of battery Battery Pack -
Battery ID - 4 x AA
Self timer Yes (2 or 10 secs, 3 photos over 10 secs) Yes (2 or 12 sec)
Time lapse recording
Storage type SD/SDHC/SDXC card (UHS-I supported) SD/MMC card
Card slots One One
Price at launch $1,000 $0