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Panasonic GX85 vs Pentax K-x

Portability
83
Imaging
54
Features
76
Overall
62
Panasonic Lumix DMC-GX85 front
 
Pentax K-x front
Portability
69
Imaging
52
Features
47
Overall
50

Panasonic GX85 vs Pentax K-x Key Specs

Panasonic GX85
(Full Review)
  • 16MP - 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
  • 426g - 122 x 71 x 44mm
  • Announced April 2016
  • Alternate Name is Lumix DMC-GX80 / Lumix DMC-GX7 Mark II
Pentax K-x
(Full Review)
  • 12MP - APS-C Sensor
  • 2.7" Fixed Screen
  • ISO 100 - 6400 (Increase to 12800)
  • Sensor based Image Stabilization
  • 1/6000s Maximum Shutter
  • 1280 x 720 video
  • Pentax KAF2 Mount
  • 580g - 123 x 92 x 68mm
  • Released December 2009
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Panasonic GX85 vs Pentax K-x Overview

Here is a extended analysis of the Panasonic GX85 vs Pentax K-x, former being a Advanced Mirrorless while the latter is a Entry-Level DSLR by brands Panasonic and Pentax. There exists a substantial gap between the sensor resolutions of the GX85 (16MP) and K-x (12MP) and the GX85 (Four Thirds) and K-x (APS-C) possess totally different sensor sizing.

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The GX85 was launched 6 years later than the K-x and that is quite a big difference as far as technology is concerned. Both cameras come with different body type with the Panasonic GX85 being a Rangefinder-style mirrorless camera and the Pentax K-x being a Compact SLR camera.

Before diving through a comprehensive comparison, below is a simple introduction of how the GX85 grades against the K-x in relation to portability, imaging, features and an overall rating.

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Reasons to pick Panasonic GX85 over the Pentax K-x

 GX85 K-x 
ReleasedApril 2016December 2009Fresher by 77 months
Screen typeTiltingFixed Tilting screen
Screen dimension3"2.7"Bigger screen (+0.3")
Screen resolution1040k230kClearer screen (+810k dot)
Touch friendly screen Quickly navigate

Reasons to pick Pentax K-x over the Panasonic GX85

 K-x GX85 

Common features in the Panasonic GX85 and Pentax K-x

 GX85 K-x 
Focus manually Very accurate focusing
Selfie screen Missing selfie screen

Panasonic GX85 vs Pentax K-x Physical Comparison

If you are looking to carry your camera, you will want to take into account its weight and dimensions. The Panasonic GX85 comes with external dimensions of 122mm x 71mm x 44mm (4.8" x 2.8" x 1.7") with a weight of 426 grams (0.94 lbs) whilst the Pentax K-x has dimensions of 123mm x 92mm x 68mm (4.8" x 3.6" x 2.7") having a weight of 580 grams (1.28 lbs).

See the Panasonic GX85 vs Pentax K-x in our completely new Camera & Lens Size Comparison Tool. Camera Size Comparison with Lenses

Remember that, the weight of an ILC will differ depending on the lens you select at that time. Below is the front view dimension comparison of the GX85 versus the K-x.

Panasonic GX85 vs Pentax K-x size comparison

Taking into consideration dimensions and weight, the portability score of the GX85 and K-x is 83 and 69 respectively.

Panasonic GX85 vs Pentax K-x top view buttons comparison

Panasonic GX85 vs Pentax K-x Sensor Comparison

More often than not, it is difficult to see the contrast between sensor sizing purely by looking at specs. The photograph underneath will help give you a far better sense of the sensor sizes in the GX85 and K-x.

As you can plainly see, each of these cameras have got different megapixels and different sensor sizing. The GX85 featuring a tinier sensor will make achieving shallower depth of field trickier and the Panasonic GX85 will give extra detail utilizing its extra 4MP. Higher resolution will also enable you to crop photographs much more aggressively. The more recent GX85 will have a benefit in sensor innovation.

Panasonic GX85 vs Pentax K-x sensor size comparison

Panasonic GX85 vs Pentax K-x Screen and ViewFinder

Panasonic GX85 vs Pentax K-x Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Panasonic GX85 Portrait photography highlights
Pentax K-x Portrait photography highlights
72
focusing manually
decent sensor resolution (16MP)
good sensor size (Four Thirds)
includes face detect focusing
exports RAW formats
63
focusing manually
nice sensor size (APS-C)
comes with face detection focusing
supports RAW formats
MP count low (12MP)
Photography Glossary

Street Comparison

Panasonic GX85 Street photography information
Pentax K-x Street photography information
83
screen tilts
has image stabilization (Sensor based 5-axis)
good sensor size (Four Thirds)
exports RAW formats
provides focus via touch
great high ISO (25,600)
67
image stabilization (Sensor based)
nice sensor size (APS-C)
supports RAW formats
no articulating screen
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Sports Comparison

Sports photography with Panasonic GX85
Sports photography with Pentax K-x
62
silent mode (1/16,000s)
has image stabilization (Sensor based 5-axis)
decent sensor resolution (16MP)
good sensor size (Four Thirds)
includes tracking focus
terrible battery power (290 CIPA)
has no phase detect AF
61
maximum shutter speed is high (1/6,000 seconds)
image stabilization (Sensor based)
nice sensor size (APS-C)
great battery pack (1,900 per charge)
comes with phase detect AF
slow fps (5.0 frames per second)
MP count low (12 megapixels)
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Travel Comparison

Panasonic GX85 Travel photography advice
Pentax K-x Travel photography advice
68
provides focus via touch
decent sensor resolution (16 megapixels)
built-in flash
terrible battery power (290 CIPA)
screen is not selfie friendly
54
great battery pack (1,900 CIPA)
built-in flash
does not have Time Lapse function
MP count low (12 megapixels)
does not have a selfie friendly screen
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Landscape Comparison

Landscape photography with Panasonic GX85
Landscape photography with Pentax K-x
74
focusing manually
swap lenses (Micro Four Thirds mount)
screen size is decent (3 inch)
has image stabilization (Sensor based 5-axis)
decent sensor resolution (16 megapixels)
good sensor size (Four Thirds)
does not have anti aliasing filter
great high ISO (25,600)
exports RAW formats
terrible battery power (290 shots)
61
focusing manually
swap lenses (Pentax KAF2 mount)
image stabilization (Sensor based)
nice sensor size (APS-C)
supports RAW formats
great battery pack (1,900 shots)
tiny screen (2.7")
MP count low (12MP)
does not have Time Lapse function
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Vlogging Comparison

Vlogging with Panasonic GX85
Vlogging with Pentax K-x
35
touch screen
has image stabilization (Sensor based 5-axis)
includes face detect focusing
video res high (3840 x 2160 resolution)
screen is not selfie friendly
does not have mic support
27
image stabilization (Sensor based)
comes with face detection focusing
does not have a selfie friendly screen
video res low (1280 x 720 resolution)
does not have external mic socket
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Panasonic GX85 vs Pentax K-x Specifications

Detailed spec comparison table for Panasonic GX85 and Pentax K-x
 Panasonic Lumix DMC-GX85Pentax K-x
General Information
Brand Panasonic Pentax
Model type Panasonic Lumix DMC-GX85 Pentax K-x
Also Known as Lumix DMC-GX80 / Lumix DMC-GX7 Mark II -
Category Advanced Mirrorless Entry-Level DSLR
Announced 2016-04-05 2009-12-23
Physical type Rangefinder-style mirrorless Compact SLR
Sensor Information
Chip Venus Engine Prime
Sensor type CMOS CMOS
Sensor size Four Thirds APS-C
Sensor dimensions 17.3 x 13mm 23.6 x 15.8mm
Sensor surface area 224.9mm² 372.9mm²
Sensor resolution 16MP 12MP
Anti alias filter
Aspect ratio 1:1, 4:3, 3:2 and 16:9 3:2
Peak resolution 4592 x 3448 4288 x 2848
Highest native ISO 25600 6400
Highest enhanced ISO - 12800
Lowest native ISO 200 100
RAW images
Lowest enhanced ISO 100 -
Autofocusing
Manual focusing
Autofocus touch
Autofocus continuous
Single autofocus
Autofocus tracking
Selective autofocus
Center weighted autofocus
Multi area autofocus
Autofocus live view
Face detection autofocus
Contract detection autofocus
Phase detection autofocus
Total focus points 49 11
Lens
Lens mount type Micro Four Thirds Pentax KAF2
Amount of lenses 107 151
Focal length multiplier 2.1 1.5
Screen
Type of screen Tilting Fixed Type
Screen size 3 inch 2.7 inch
Screen resolution 1,040 thousand dots 230 thousand dots
Selfie friendly
Liveview
Touch screen
Screen technology - TFT LCD monitor
Viewfinder Information
Viewfinder type Electronic Optical (pentamirror)
Viewfinder resolution 2,764 thousand dots -
Viewfinder coverage 100% 96%
Viewfinder magnification - 0.57x
Features
Min shutter speed 60 seconds 30 seconds
Max shutter speed 1/4000 seconds 1/6000 seconds
Max silent shutter speed 1/16000 seconds -
Continuous shutter rate 8.0 frames per second 5.0 frames per second
Shutter priority
Aperture priority
Manual mode
Exposure compensation Yes Yes
Custom white balance
Image stabilization
Built-in flash
Flash distance 6.00 m (at ISO 200) 16.00 m
Flash settings 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, Slow Sync, Rear curtain, Wireless
Hot shoe
AEB
WB bracketing
Max flash synchronize - 1/180 seconds
Exposure
Multisegment
Average
Spot
Partial
AF area
Center weighted
Video features
Supported video resolutions 3840 x 2160 (30p, 24p), 1920 x 1080 (60p, 60i, 30p, 24p), 1280 x 720 (30p), 640 x 480 (30p) 1280 x 720 (24 fps), 640 x 416 (24 fps)
Highest video resolution 3840x2160 1280x720
Video data format MPEG-4, AVCHD Motion JPEG
Mic port
Headphone port
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
Environmental sealing
Water proofing
Dust proofing
Shock proofing
Crush proofing
Freeze proofing
Weight 426 gr (0.94 lbs) 580 gr (1.28 lbs)
Dimensions 122 x 71 x 44mm (4.8" x 2.8" x 1.7") 123 x 92 x 68mm (4.8" x 3.6" x 2.7")
DXO scores
DXO Overall rating 71 72
DXO Color Depth rating 22.9 22.8
DXO Dynamic range rating 12.6 12.5
DXO Low light rating 662 811
Other
Battery life 290 pictures 1900 pictures
Battery type Battery Pack Battery Pack
Battery ID - 4 x AA
Self timer Yes Yes (2 or 12 sec)
Time lapse shooting
Storage type SD/SDHC/SDXC card SD/SDHC card
Card slots 1 1
Pricing at release $800 $600