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Panasonic GX850 vs Pentax K100D

Portability
90
Imaging
55
Features
70
Overall
61
Panasonic Lumix DMC-GX850 front
 
Pentax K100D front
Portability
64
Imaging
45
Features
36
Overall
41

Panasonic GX850 vs Pentax K100D Key Specs

Panasonic GX850
(Full Review)
  • 16MP - Four Thirds Sensor
  • 3" Tilting Display
  • ISO 200 - 25600
  • No Anti-Alias Filter
  • 3840 x 2160 video
  • Micro Four Thirds Mount
  • 269g - 107 x 65 x 33mm
  • Released January 2017
  • Alternative Name is Lumix DMC-GX800 / Lumix DMC-GF9
Pentax K100D
(Full Review)
  • 6MP - APS-C Sensor
  • 2.5" Fixed Screen
  • ISO 200 - 3200
  • Sensor based Image Stabilization
  • No Video
  • Pentax KAF Mount
  • 660g - 129 x 93 x 70mm
  • Announced December 2006
  • New Model is Pentax K100D S
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Panasonic GX850 vs Pentax K100D Overview

Lets look a bit more in depth at the Panasonic GX850 versus Pentax K100D, one is a Entry-Level Mirrorless and the latter is a Entry-Level DSLR by manufacturers Panasonic and Pentax. There is a crucial difference among the sensor resolutions of the GX850 (16MP) and K100D (6MP) and the GX850 (Four Thirds) and K100D (APS-C) enjoy totally different sensor measurements.

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The GX850 was unveiled 10 years after the K100D which is a fairly serious gap as far as camera tech is concerned. Both cameras come with different body type with the Panasonic GX850 being a Rangefinder-style mirrorless camera and the Pentax K100D being a Compact SLR camera.

Before we go in to a comprehensive comparison, below is a simple summation of how the GX850 scores against the K100D with regard to portability, imaging, features and an overall score.

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Reasons to pick Panasonic GX850 over the Pentax K100D

 GX850 K100D 
AnnouncedJanuary 2017December 2006More modern by 123 months
Screen typeTiltingFixed Tilting screen
Screen dimension3"2.5"Bigger screen (+0.5")
Screen resolution1040k210kClearer screen (+830k dot)
Selfie screen Easy selfies
Touch screen Quickly navigate

Reasons to pick Pentax K100D over the Panasonic GX850

 K100D GX850 

Common features in the Panasonic GX850 and Pentax K100D

 GX850 K100D 
Manual focus Dial accurate focus

Panasonic GX850 vs Pentax K100D Physical Comparison

When you are looking to carry around your camera regularly, you should take into account its weight and dimensions. The Panasonic GX850 has physical measurements of 107mm x 65mm x 33mm (4.2" x 2.6" x 1.3") with a weight of 269 grams (0.59 lbs) whilst the Pentax K100D has dimensions of 129mm x 93mm x 70mm (5.1" x 3.7" x 2.8") accompanied by a weight of 660 grams (1.46 lbs).

Examine the Panasonic GX850 versus Pentax K100D in the latest Camera with Lens Size Comparison Tool. Camera Size Comparison with Lenses

Take into account, the weight of an Interchangeable Lens Camera will vary dependant on the lens you use at the time. Here is the front view measurements comparison of the GX850 and the K100D.

Panasonic GX850 vs Pentax K100D size comparison

Looking at size and weight, the portability grade of the GX850 and K100D is 90 and 64 respectively.

Panasonic GX850 vs Pentax K100D top view buttons comparison

Panasonic GX850 vs Pentax K100D Sensor Comparison

Generally, it is difficult to see the difference in sensor sizes just by viewing specifications. The image here will offer you a clearer sense of the sensor sizing in the GX850 and K100D.

Plainly, both of those cameras have got different megapixels and different sensor sizes. The GX850 having a smaller sensor will make shooting shallower depth of field more difficult and the Panasonic GX850 will provide you with greater detail having an extra 10MP. Higher resolution can also let you crop shots much more aggressively. The more recent GX850 is going to have an advantage in sensor innovation.

Panasonic GX850 vs Pentax K100D sensor size comparison

Panasonic GX850 vs Pentax K100D Screen and ViewFinder

Panasonic GX850 vs Pentax K100D Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Panasonic GX850 Portrait photography features
Pentax K100D Portrait photography features
66
manual focus
decent sensor resolution (16MP)
sensor size is decent (Four Thirds)
provides face detection focus
delivers RAW formats
can't use external flash
51
you can focus manually
good sensor size (APS-C)
delivers RAW files
does not have liveview
low MP (6MP)
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Street Comparison

Panasonic GX850 Street photography info
Pentax K100D Street photography info
80
has a tilting screen
sensor size is decent (Four Thirds)
delivers RAW formats
boasts touch focus
great high ISO (25,600)
does not have image stabilization
58
built in image stabilization (Sensor based)
good sensor size (APS-C)
delivers RAW files
no articulating screen
heavier than competition (660g)
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Sports Comparison

Panasonic GX850 Sports photography features
Pentax K100D Sports photography features
52
silent mode (1/16,000 seconds)
decent sensor resolution (16 megapixels)
sensor size is decent (Four Thirds)
provides tracking autofocus
low max shutter speed (1/500 seconds)
does not have image stabilization
low battery life (210 per charge)
no phase detect auto focus
47
built in image stabilization (Sensor based)
good sensor size (APS-C)
supports phase detect auto focus
does not have liveview
continuous shooting slow (3.0 frames/s)
low MP (6 megapixels)
Photography Glossary

Travel Comparison

Travel photography with Panasonic GX850
Travel photography with Pentax K100D
79
boasts touch focus
decent sensor resolution (16 megapixels)
built-in flash
display is selfie friendly
low battery life (210 CIPA)
42
has built in flash
missing Time Lapse function
heavier than competition (660 grams)
low MP (6MP)
does not offer selfie friendly display
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Landscape Comparison

Landscape photography with Panasonic GX850
Landscape photography with Pentax K100D
71
manual focus
swap lenses (Micro Four Thirds mount)
screen is a decent size (3")
decent sensor resolution (16 megapixels)
sensor size is decent (Four Thirds)
no anti aliasing filter
great high ISO (25,600)
delivers RAW formats
does not have image stabilization
low battery life (210 shots)
52
you can focus manually
switch lenses (Pentax KAF mount)
built in image stabilization (Sensor based)
good sensor size (APS-C)
delivers RAW files
small screen (2.5 inches)
does not have liveview
low MP (6MP)
missing Time Lapse function
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Vlogging Comparison

Panasonic GX850 as a Vlogging camera
Pentax K100D as a Vlogging camera
73
display is selfie friendly
touchscreen capability
provides face detection focus
video resolution high (3840 x 2160 resolution)
does not have image stabilization
doesn't have external microphone support
9
lack of video recording
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Panasonic GX850 vs Pentax K100D Specifications

Detailed spec comparison table for Panasonic GX850 and Pentax K100D
 Panasonic Lumix DMC-GX850Pentax K100D
General Information
Company Panasonic Pentax
Model Panasonic Lumix DMC-GX850 Pentax K100D
Alternate name Lumix DMC-GX800 / Lumix DMC-GF9 -
Category Entry-Level Mirrorless Entry-Level DSLR
Released 2017-01-04 2006-12-03
Physical type Rangefinder-style mirrorless Compact SLR
Sensor Information
Processor Venus Engine -
Sensor type CMOS CCD
Sensor size Four Thirds APS-C
Sensor dimensions 17.3 x 13mm 23.5 x 15.7mm
Sensor surface area 224.9mm² 369.0mm²
Sensor resolution 16 megapixel 6 megapixel
Anti aliasing filter
Aspect ratio 1:1, 4:3, 3:2 and 16:9 3:2
Highest Possible resolution 4592 x 3448 3008 x 2008
Maximum native ISO 25600 3200
Min native ISO 200 200
RAW support
Min enhanced ISO 100 -
Autofocusing
Focus manually
Touch focus
Continuous AF
Single AF
Tracking AF
AF selectice
Center weighted AF
AF multi area
Live view AF
Face detect AF
Contract detect AF
Phase detect AF
Number of focus points 49 11
Lens
Lens mount Micro Four Thirds Pentax KAF
Available lenses 107 151
Crop factor 2.1 1.5
Screen
Display type Tilting Fixed Type
Display size 3" 2.5"
Display resolution 1,040 thousand dots 210 thousand dots
Selfie friendly
Liveview
Touch display
Viewfinder Information
Viewfinder None Optical (pentamirror)
Viewfinder coverage - 96%
Viewfinder magnification - 0.57x
Features
Minimum shutter speed 60 secs 30 secs
Fastest shutter speed 1/500 secs 1/4000 secs
Fastest quiet shutter speed 1/16000 secs -
Continuous shutter rate 10.0fps 3.0fps
Shutter priority
Aperture priority
Expose Manually
Exposure compensation Yes Yes
Change WB
Image stabilization
Inbuilt flash
Flash range 4.00 m (at ISO 100) -
Flash modes Auto, auto w/redeye reduction, on, on w/redeye reduction, slow sync, slow sync w/redeye reduction Auto, On, Off, Red-eye reduction
Hot shoe
AE bracketing
White balance bracketing
Fastest flash synchronize - 1/180 secs
Exposure
Multisegment metering
Average metering
Spot metering
Partial metering
AF area metering
Center weighted metering
Video features
Video resolutions 3840 x 2160 @ 30p / 100 Mbps, MP4, H.264, AAC3840 x 2160 @ 24p / 100 Mbps, MP4, H.264, AAC1920 x 1080 @ 60p / 28 Mbps, MP4, H.264, AAC1920 x 1080 @ 60p / 28 Mbps, AVCHD, MTS, H.264, Dolby Digital1920 x 1080 @ 60i / 17 Mbps, AVCHD, MTS, H.264, Dolby Digital1920 x 1080 @ 30p / 20 Mbps, MP4, H.264 -
Maximum video resolution 3840x2160 None
Video format MPEG-4, AVCHD -
Mic 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 proof
Dust proof
Shock proof
Crush proof
Freeze proof
Weight 269g (0.59 pounds) 660g (1.46 pounds)
Dimensions 107 x 65 x 33mm (4.2" x 2.6" x 1.3") 129 x 93 x 70mm (5.1" x 3.7" x 2.8")
DXO scores
DXO Overall score 73 not tested
DXO Color Depth score 23.2 not tested
DXO Dynamic range score 13.3 not tested
DXO Low light score 586 not tested
Other
Battery life 210 pictures -
Battery style Battery Pack -
Battery model - 4 x AA
Self timer Yes (2, 10 sec, 3 images/10 sec) Yes (2 or 12 sec)
Time lapse feature
Type of storage microSD/SDHC/SDXC SD/MMC card
Card slots One One
Pricing at release $548 $0