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Panasonic GX9 vs Pentax K-3 II

Portability
82
Imaging
61
Features
80
Overall
68
Panasonic Lumix DC-GX9 front
 
Pentax K-3 II front
Portability
59
Imaging
66
Features
84
Overall
73

Panasonic GX9 vs Pentax K-3 II 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
  • Released February 2018
Pentax K-3 II
(Full Review)
  • 24MP - APS-C Sensor
  • 3.2" Fixed Display
  • 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
  • Announced April 2015
  • Old Model is Pentax K-3
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Panasonic GX9 vs Pentax K-3 II Overview

Lets look a little more in depth at the Panasonic GX9 vs Pentax K-3 II, one is a Advanced Mirrorless and the other is a Advanced DSLR by competitors Panasonic and Pentax. The resolution of the GX9 (20MP) and the K-3 II (24MP) is fairly close but the GX9 (Four Thirds) and K-3 II (APS-C) come with different sensor sizes.

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The GX9 was released 2 years after the K-3 II which is a fairly sizable gap as far as camera tech is concerned. Both of these cameras offer different body type with the Panasonic GX9 being a Rangefinder-style mirrorless camera and the Pentax K-3 II being a Mid-size SLR camera.

Before we go in to a in depth comparison, below is a brief introduction of how the GX9 matches up against the K-3 II when it comes to portability, imaging, features and an overall score.

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Reasons to pick Panasonic GX9 over the Pentax K-3 II

 GX9 K-3 II 
AnnouncedFebruary 2018April 2015More modern by 35 months
Display typeTiltingFixed Tilting display
Display resolution1240k1037kCrisper display (+203k dot)
Touch display Easily navigate

Reasons to pick Pentax K-3 II over the Panasonic GX9

 K-3 II GX9 
Display sizing3.2"3"Larger display (+0.2")

Common features in the Panasonic GX9 and Pentax K-3 II

 GX9 K-3 II 
Manually focus Very exact focusing
Selfie screen Lack of selfie screen

Panasonic GX9 vs Pentax K-3 II Physical Comparison

When you are aiming to carry around your camera regularly, you are going to need to factor in its weight and dimensions. The Panasonic GX9 provides external dimensions of 124mm x 72mm x 47mm (4.9" x 2.8" x 1.9") accompanied by a weight of 407 grams (0.90 lbs) and the Pentax K-3 II has dimensions of 131mm x 100mm x 77mm (5.2" x 3.9" x 3.0") accompanied by a weight of 800 grams (1.76 lbs).

Check the Panasonic GX9 vs Pentax K-3 II in the all new Camera with Lens Size Comparison Tool. Camera Size Comparison with Lenses

Don't forget, the weight of an Interchangeable Lens Camera will change depending on the lens you use at that moment. Following is the front view measurements comparison of the GX9 against the K-3 II.

Panasonic GX9 vs Pentax K-3 II size comparison

Using size and weight, the portability grade of the GX9 and K-3 II is 82 and 59 respectively.

Panasonic GX9 vs Pentax K-3 II top view buttons comparison

Panasonic GX9 vs Pentax K-3 II Sensor Comparison

Oftentimes, it can be hard to imagine the contrast in sensor sizes simply by viewing specifications. The image below will help offer you a stronger sense of the sensor sizes in the GX9 and K-3 II.

Plainly, both of these cameras enjoy different resolutions and different sensor sizes. The GX9 because of its smaller sensor is going to make shooting shallower DOF more difficult and the Pentax K-3 II will render extra detail as a result of its extra 4MP. Greater resolution can also make it easier to crop images far more aggressively. The younger GX9 provides an advantage with regard to sensor technology.

Panasonic GX9 vs Pentax K-3 II sensor size comparison

Panasonic GX9 vs Pentax K-3 II Screen and ViewFinder

Panasonic GX9 vs Pentax K-3 II Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Panasonic GX9 Portrait photography info
Pentax K-3 II Portrait photography info
76
manual focus
resolution is good (20MP)
sensor size is good (Four Thirds)
features face detect focusing
supports RAW files
79
you can focus manually
decent sensor resolution (24MP)
nice sensor size (APS-C)
has face detect focusing
delivers RAW formats
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Street Comparison

Panasonic GX9 Street photography details
Pentax K-3 II Street photography details
84
has a tilting screen
image stabilization (Sensor based 5-axis)
sensor size is good (Four Thirds)
supports RAW files
boasts touch focus
good high ISO (25,600)
69
built in image stabilization (Sensor based)
nice sensor size (APS-C)
delivers RAW formats
weather sealing
very good high ISO (51,200)
no articulating screen
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Sports Comparison

Panasonic GX9 Sports photography factors
Pentax K-3 II Sports photography factors
73
quiet mode (1/16,000s)
image stabilization (Sensor based 5-axis)
resolution is good (20 megapixels)
sensor size is good (Four Thirds)
features tracking focus
sensor has phase detect AF
not so great battery pack (260 shots)
76
great max shutter speed (1/8,000 seconds)
built in image stabilization (Sensor based)
decent sensor resolution (24 megapixels)
nice sensor size (APS-C)
has tracking focus
weather sealing
sensor has phase detect AF
low battery life (720 CIPA)
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Travel Comparison

Panasonic GX9 Travel photography info
Pentax K-3 II Travel photography info
71
supports bluetooth
boasts touch focus
resolution is good (20MP)
built-in flash
not so great battery pack (260 shots)
display isn't selfie friendly
56
weather sealing
decent sensor resolution (24MP)
low battery life (720 per charge)
screen is not selfie friendly
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Landscape Comparison

Panasonic GX9 Landscape photography advice
Pentax K-3 II Landscape photography advice
77
manual focus
switch lenses (Micro Four Thirds mount)
screen is a good size (3 inches)
image stabilization (Sensor based 5-axis)
resolution is good (20MP)
sensor size is good (Four Thirds)
does not have anti aliasing filter
good high ISO (25,600)
supports RAW files
not so great battery pack (260 shots)
78
you can focus manually
swap lenses (Pentax KAF2 mount)
nice screen size (3.2 inches)
built in image stabilization (Sensor based)
decent sensor resolution (24MP)
nice sensor size (APS-C)
no anti-alias filter
very good high ISO (51,200)
delivers RAW formats
weather sealing
has double storage slots
low battery life (720 per charge)
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Vlogging Comparison

Panasonic GX9 Vlogging details
Pentax K-3 II Vlogging details
35
screen is touchscreen
image stabilization (Sensor based 5-axis)
features face detect focusing
video resolution high (3840 x 2160 resolution)
display isn't selfie friendly
lack of microphone jack
34
built in image stabilization (Sensor based)
has face detect focusing
video res high (1920 x 1080 pixels)
includes microphone port
screen is not selfie friendly
Photography Glossary

Panasonic GX9 vs Pentax K-3 II Specifications

Detailed spec comparison table for Panasonic GX9 and Pentax K-3 II
 Panasonic Lumix DC-GX9Pentax K-3 II
General Information
Brand Name Panasonic Pentax
Model type Panasonic Lumix DC-GX9 Pentax K-3 II
Category Advanced Mirrorless Advanced DSLR
Released 2018-02-13 2015-04-23
Body design Rangefinder-style mirrorless Mid-size SLR
Sensor Information
Processor Venus Engine Prime III
Sensor type CMOS CMOS
Sensor size Four Thirds APS-C
Sensor measurements 17.3 x 13mm 23.5 x 15.6mm
Sensor area 224.9mm² 366.6mm²
Sensor resolution 20 megapixel 24 megapixel
Anti alias filter
Aspect ratio 1:1, 4:3, 3:2 and 16:9 3:2
Highest Possible resolution 5184 x 3888 6016 x 4000
Maximum native ISO 25600 51200
Min native ISO 200 100
RAW data
Min enhanced ISO 100 -
Autofocusing
Focus manually
Touch focus
Continuous autofocus
Single autofocus
Tracking autofocus
Selective autofocus
Autofocus center weighted
Autofocus multi area
Autofocus live view
Face detection focus
Contract detection focus
Phase detection focus
Total focus points 49 27
Cross type focus points - 25
Lens
Lens support Micro Four Thirds Pentax KAF2
Available lenses 107 151
Crop factor 2.1 1.5
Screen
Screen type Tilting Fixed Type
Screen diagonal 3 inches 3.2 inches
Screen resolution 1,240k dot 1,037k dot
Selfie friendly
Liveview
Touch display
Viewfinder Information
Viewfinder Electronic Optical (pentaprism)
Viewfinder resolution 2,760k dot -
Viewfinder coverage 100 percent 100 percent
Viewfinder magnification 0.7x 0.64x
Features
Minimum shutter speed 60 seconds 30 seconds
Fastest shutter speed 1/4000 seconds 1/8000 seconds
Fastest silent shutter speed 1/16000 seconds -
Continuous shutter speed 9.0fps 8.3fps
Shutter priority
Aperture priority
Manually set exposure
Exposure compensation Yes Yes
Custom white balance
Image stabilization
Built-in flash
Flash distance 6.00 m (at ISO 200) no built-in flash
Flash modes Auto, auto w/redeye reduction, forced on, forced on w/redeye reduction, slow sync, slow sync w/redeye reduction, forced off Auto Flash Discharge, Auto Flash + Red-eye Reduction, Flash On, Flash On + Red-eye Reduction, Slow-speed Sync, Slow-speed Sync + Red-eye, P-TTL, Trailing Curtain Sync, Contrast-control-sync, High-speed sync, Wireless sync (available with dedicated external flash)
External flash
AEB
WB bracketing
Fastest flash sync - 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)
Maximum video resolution 3840x2160 1920x1080
Video file format MPEG-4, AVCHD, H.264 MPEG-4, H.264
Microphone jack
Headphone jack
Connectivity
Wireless Built-In Optional
Bluetooth
NFC
HDMI
USB Yes USB 3.0 (5 GBit/sec)
GPS None BuiltIn
Physical
Environment seal
Water proofing
Dust proofing
Shock proofing
Crush proofing
Freeze proofing
Weight 407g (0.90 lb) 800g (1.76 lb)
Dimensions 124 x 72 x 47mm (4.9" x 2.8" x 1.9") 131 x 100 x 77mm (5.2" x 3.9" x 3.0")
DXO scores
DXO Overall rating not tested 80
DXO Color Depth rating not tested 23.6
DXO Dynamic range rating not tested 13.6
DXO Low light rating not tested 1106
Other
Battery life 260 shots 720 shots
Battery form Battery Pack Battery Pack
Battery ID - D-LI90
Self timer Yes (2 or 10 secs, 3 photos over 10 secs) Yes ( 2 or 12 seconds)
Time lapse shooting
Type of storage SD/SDHC/SDXC card (UHS-I supported) Dual SD/SDHC/SDXC
Storage slots Single 2
Launch price $1,000 $829