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Panasonic GX9 vs Pentax K-1 II

Portability
82
Imaging
61
Features
80
Overall
68
Panasonic Lumix DC-GX9 front
 
Pentax K-1 Mark II front
Portability
55
Imaging
78
Features
82
Overall
79

Panasonic GX9 vs Pentax K-1 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
  • Revealed February 2018
Pentax K-1 II
(Full Review)
  • 36MP - Full frame Sensor
  • 3.2" Fully Articulated Display
  • ISO 100 - 819200
  • Sensor based 5-axis Image Stabilization
  • No Anti-Alias Filter
  • 1/8000s Max Shutter
  • 1920 x 1080 video
  • Pentax KAF4 Mount
  • 1010g - 137 x 110 x 86mm
  • Introduced February 2018
  • Superseded the Pentax K-1
Photography Glossary

Panasonic GX9 vs Pentax K-1 II Overview

In this write-up, we are reviewing the Panasonic GX9 and Pentax K-1 II, one being a Advanced Mirrorless and the other is a Advanced DSLR by competitors Panasonic and Pentax. There is a huge difference between the sensor resolutions of the GX9 (20MP) and K-1 II (36MP) and the GX9 (Four Thirds) and K-1 II (Full frame) possess totally different sensor sizes.

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The GX9 was released at a similar time to the K-1 II so they are both of a similar generation. Both the cameras offer different body type with the Panasonic GX9 being a Rangefinder-style mirrorless camera and the Pentax K-1 II being a Mid-size SLR camera.

Before getting through a full comparison, below is a simple introduction of how the GX9 grades against the K-1 II in the way of portability, imaging, features and an overall rating.

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Reasons to pick Panasonic GX9 over the Pentax K-1 II

 GX9 K-1 II 
Display resolution1240k1037kSharper display (+203k dot)
Touch friendly display Easily navigate

Reasons to pick Pentax K-1 II over the Panasonic GX9

 K-1 II GX9 
Display typeFully ArticulatedTiltingFully Articulating display
Display sizing3.2"3"Larger display (+0.2")

Common features in the Panasonic GX9 and Pentax K-1 II

 GX9 K-1 II 
IntroducedFebruary 2018February 2018Similar generation
Manually focus Very precise focusing
Selfie screen Lacking selfie screen

Panasonic GX9 vs Pentax K-1 II Physical Comparison

When you are intending to carry your camera often, you'll have to factor in its weight and proportions. The Panasonic GX9 features external dimensions of 124mm x 72mm x 47mm (4.9" x 2.8" x 1.9") having a weight of 407 grams (0.90 lbs) and the Pentax K-1 II has measurements of 137mm x 110mm x 86mm (5.4" x 4.3" x 3.4") accompanied by a weight of 1010 grams (2.23 lbs).

See the Panasonic GX9 and Pentax K-1 II in the all new Camera with Lens Size Comparison Tool. Camera Size Comparison with Lenses

Remember that, the weight of an Interchangeable Lens Camera will differ depending on the lens you are utilizing at that moment. Underneath is the front view physical size comparison of the GX9 and the K-1 II.

Panasonic GX9 vs Pentax K-1 II size comparison

Looking at size and weight, the portability grade of the GX9 and K-1 II is 82 and 55 respectively.

Panasonic GX9 vs Pentax K-1 II top view buttons comparison

Panasonic GX9 vs Pentax K-1 II Sensor Comparison

In many cases, it is difficult to envision the contrast between sensor sizing simply by looking at specs. The visual underneath will provide you a better sense of the sensor sizes in the GX9 and K-1 II.

All in all, both of those cameras offer different megapixels and different sensor sizing. The GX9 due to its tinier sensor will make shooting shallow DOF more difficult and the Pentax K-1 II will give more detail as a result of its extra 16MP. Greater resolution will also allow you to crop pics a little more aggressively.

Panasonic GX9 vs Pentax K-1 II sensor size comparison

Panasonic GX9 vs Pentax K-1 II Screen and ViewFinder

Panasonic GX9 vs Pentax K-1 II Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Panasonic GX9 Portrait photography highlights
Pentax K-1 II Portrait photography highlights
76
focusing manually
MP count decent (20MP)
good sensor size (Four Thirds)
supports face detection focusing
delivers RAW formats
86
you can focus manually
high MP (36MP)
sensor size is big (Full frame)
provides face detection focusing
delivers RAW formats
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Street Comparison

Panasonic GX9 Street photography highlights
Pentax K-1 II Street photography highlights
84
has a tilting screen
has image stabilization (Sensor based 5-axis)
good sensor size (Four Thirds)
delivers RAW formats
features touch focus
good high ISO (25,600)
70
screen articulates fully
image stabilization (Sensor based 5-axis)
sensor size is big (Full frame)
delivers RAW formats
weather proof
good ISO range (819,200)
more heavy than competition (1,010 grams)
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Sports Comparison

Panasonic GX9 Sports photography information
Pentax K-1 II Sports photography information
73
silent shooting (1/16,000 seconds)
has image stabilization (Sensor based 5-axis)
MP count decent (20MP)
good sensor size (Four Thirds)
supports tracking autofocus
supports phase detect AF
not so great battery life (260 CIPA)
77
great max shutter speed (1/8,000s)
image stabilization (Sensor based 5-axis)
high MP (36MP)
sensor size is big (Full frame)
provides tracking autofocus
weather proof
supports phase detect AF
very slow continuous shooting (4.4 frames/s)
terrible battery life (670 CIPA)
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Travel Comparison

Panasonic GX9 as a Travel photography camera
Pentax K-1 II as a Travel photography camera
71
supports bluetooth
features touch focus
MP count decent (20MP)
has built in flash
not so great battery life (260 shots)
screen is not selfie friendly
53
weather proof
high MP (36MP)
terrible battery life (670 CIPA)
more heavy than competition (1,010g)
does not feature selfie friendly screen
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Landscape Comparison

Panasonic GX9 Landscape photography highlights
Pentax K-1 II Landscape photography highlights
77
focusing manually
swap lenses (Micro Four Thirds mount)
screen size is decent (3")
has image stabilization (Sensor based 5-axis)
MP count decent (20 megapixels)
good sensor size (Four Thirds)
doesnt have anti aliasing filter
good high ISO (25,600)
delivers RAW formats
not so great battery life (260 shots)
82
you can focus manually
swap lenses (Pentax KAF4 mount)
nice screen size (3.2")
image stabilization (Sensor based 5-axis)
high MP (36 megapixels)
sensor size is big (Full frame)
does not have anti-alias filter
good ISO range (819,200)
delivers RAW formats
weather proof
has dual storage slots
terrible battery life (670 shots)
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Vlogging Comparison

Panasonic GX9 Vlogging features
Pentax K-1 II Vlogging features
35
screen is touchscreen
has image stabilization (Sensor based 5-axis)
supports face detection focusing
high quality video (3840 x 2160 pxls)
screen is not selfie friendly
missing external microphone jack
32
image stabilization (Sensor based 5-axis)
provides face detection focusing
high quality video (1920 x 1080 pixels)
comes with external microphone jack
does not feature selfie friendly screen
more heavy than competition (1,010 grams)
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Panasonic GX9 vs Pentax K-1 II Specifications

Detailed spec comparison table for Panasonic GX9 and Pentax K-1 II
 Panasonic Lumix DC-GX9Pentax K-1 Mark II
General Information
Make Panasonic Pentax
Model type Panasonic Lumix DC-GX9 Pentax K-1 Mark II
Category Advanced Mirrorless Advanced DSLR
Revealed 2018-02-13 2018-02-22
Body design Rangefinder-style mirrorless Mid-size SLR
Sensor Information
Chip Venus Engine PRIME IV
Sensor type CMOS CMOS
Sensor size Four Thirds Full frame
Sensor measurements 17.3 x 13mm 35.9 x 24mm
Sensor surface area 224.9mm² 861.6mm²
Sensor resolution 20 megapixel 36 megapixel
Anti alias filter
Aspect ratio 1:1, 4:3, 3:2 and 16:9 3:2
Peak resolution 5184 x 3888 7360 x 4912
Highest native ISO 25600 819200
Lowest native ISO 200 100
RAW pictures
Lowest enhanced ISO 100 -
Autofocusing
Manual focusing
Touch focus
AF continuous
AF single
Tracking AF
AF selectice
Center weighted AF
Multi area AF
Live view AF
Face detection focusing
Contract detection focusing
Phase detection focusing
Total focus points 49 33
Cross type focus points - 25
Lens
Lens support Micro Four Thirds Pentax KAF4
Amount of lenses 107 151
Crop factor 2.1 1
Screen
Range of screen Tilting Fully Articulated
Screen diagonal 3" 3.2"
Screen resolution 1,240k dot 1,037k dot
Selfie friendly
Liveview
Touch screen
Viewfinder Information
Viewfinder Electronic Optical (pentaprism)
Viewfinder resolution 2,760k dot -
Viewfinder coverage 100 percent 100 percent
Viewfinder magnification 0.7x 0.7x
Features
Minimum shutter speed 60 secs 30 secs
Fastest shutter speed 1/4000 secs 1/8000 secs
Fastest silent shutter speed 1/16000 secs -
Continuous shutter speed 9.0 frames per sec 4.4 frames per sec
Shutter priority
Aperture priority
Expose Manually
Exposure compensation Yes Yes
Custom WB
Image stabilization
Built-in flash
Flash distance 6.00 m (at ISO 200) no built-in flash
Flash options 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
External flash
AE bracketing
WB bracketing
Fastest flash sync - 1/200 secs
Exposure
Multisegment
Average
Spot
Partial
AF area
Center weighted
Video features
Supported video resolutions - 1920 x 1080 (60i, 50i, 30p, 25p, 24p), 1280 x 720 (60p, 50p)
Highest video resolution 3840x2160 1920x1080
Video data format MPEG-4, AVCHD, H.264 MPEG-4, H.264
Microphone input
Headphone input
Connectivity
Wireless Built-In 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
Bluetooth
NFC
HDMI
USB Yes USB 2.0 (480 Mbit/sec)
GPS None Built-in
Physical
Environment seal
Water proofing
Dust proofing
Shock proofing
Crush proofing
Freeze proofing
Weight 407g (0.90 lbs) 1010g (2.23 lbs)
Dimensions 124 x 72 x 47mm (4.9" x 2.8" x 1.9") 137 x 110 x 86mm (5.4" x 4.3" x 3.4")
DXO scores
DXO Overall 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 images 670 images
Battery format Battery Pack Battery Pack
Battery ID - D-LI90
Self timer Yes (2 or 10 secs, 3 photos over 10 secs) Yes (2 or 12 sec, custom)
Time lapse recording
Storage media SD/SDHC/SDXC card (UHS-I supported) Dual SD/SDHC/SDXC (UHS-I)
Storage slots Single Dual
Pricing at release $1,000 $1,737