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Panasonic GX850 vs Pentax K100D S

Portability
90
Imaging
55
Features
70
Overall
61
Panasonic Lumix DMC-GX850 front
 
Pentax K100D Super front
Portability
65
Imaging
45
Features
38
Overall
42

Panasonic GX850 vs Pentax K100D S 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
  • Launched January 2017
  • Additionally referred to as Lumix DMC-GX800 / Lumix DMC-GF9
Pentax K100D S
(Full Review)
  • 6MP - APS-C Sensor
  • 2.5" Fixed Display
  • ISO 200 - 3200
  • Sensor based Image Stabilization
  • No Video
  • Pentax KAF2 Mount
  • 646g - 129 x 91 x 71mm
  • Launched June 2007
  • Succeeded the Pentax K100D
  • Newer Model is Pentax K200D
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Panasonic GX850 vs Pentax K100D S Overview

On this page, we are looking at the Panasonic GX850 vs Pentax K100D S, former being a Entry-Level Mirrorless while the other is a Entry-Level DSLR by companies Panasonic and Pentax. There exists a large gap between the image resolutions of the GX850 (16MP) and K100D S (6MP) and the GX850 (Four Thirds) and K100D S (APS-C) have different sensor dimensions.

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The GX850 was launched 9 years later than the K100D S and that is quite a serious difference as far as technology is concerned. Both of the cameras have different body design with the Panasonic GX850 being a Rangefinder-style mirrorless camera and the Pentax K100D S being a Compact SLR camera.

Before getting into a step-by-step comparison, here is a short overview of how the GX850 grades vs the K100D S with regards to portability, imaging, features and an overall rating.

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Reasons to pick Panasonic GX850 over the Pentax K100D S

 GX850 K100D S 
LaunchedJanuary 2017June 2007Fresher by 116 months
Display typeTiltingFixed Tilting display
Display dimensions3"2.5"Larger display (+0.5")
Display resolution1040k210kClearer display (+830k dot)
Selfie screen Take selfies
Touch friendly display Easily navigate

Reasons to pick Pentax K100D S over the Panasonic GX850

 K100D S GX850 

Common features in the Panasonic GX850 and Pentax K100D S

 GX850 K100D S 
Manual focus Dial precise focusing

Panasonic GX850 vs Pentax K100D S Physical Comparison

If you're going to carry your camera regularly, you should take into account its weight and size. The Panasonic GX850 comes with external measurements of 107mm x 65mm x 33mm (4.2" x 2.6" x 1.3") and a weight of 269 grams (0.59 lbs) and the Pentax K100D S has specifications of 129mm x 91mm x 71mm (5.1" x 3.6" x 2.8") accompanied by a weight of 646 grams (1.42 lbs).

Take a look at the Panasonic GX850 vs Pentax K100D S in our brand new Camera & Lens Size Comparison Tool. Camera Size Comparison with Lenses

Take into account, the weight of an ILC will vary dependant on the lens you are working with at that time. The following is a front view measurements comparison of the GX850 versus the K100D S.

Panasonic GX850 vs Pentax K100D S size comparison

Considering dimensions and weight, the portability rating of the GX850 and K100D S is 90 and 65 respectively.

Panasonic GX850 vs Pentax K100D S top view buttons comparison

Panasonic GX850 vs Pentax K100D S Sensor Comparison

More often than not, its hard to visualize the gap between sensor sizing merely by reading specs. The visual underneath may provide you a clearer sense of the sensor sizing in the GX850 and K100D S.

All in all, each of these cameras provide different megapixels and different sensor sizing. The GX850 because of its tinier sensor is going to make achieving shallow depth of field harder and the Panasonic GX850 will offer extra detail utilizing its extra 10 Megapixels. Greater resolution will also help you crop photos more aggressively. The fresher GX850 should have an edge in sensor technology.

Panasonic GX850 vs Pentax K100D S sensor size comparison

Panasonic GX850 vs Pentax K100D S Screen and ViewFinder

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

Portrait Comparison

Panasonic GX850 as a Portrait photography camera
Pentax K100D S as a Portrait photography camera
66
has manual focus
resolution is good (16 megapixels)
sensor size is nice (Four Thirds)
comes with face detection autofocus
exports RAW formats
cannot use external flash
51
focusing manually
sensor size is nice (APS-C)
supports RAW files
doesn't have liveview
MP count low (6 megapixels)
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Street Comparison

Panasonic GX850 Street photography highlights
Pentax K100D S Street photography highlights
80
screen tilts
sensor size is nice (Four Thirds)
exports RAW formats
includes focus via touch
very good ISO range (25,600)
does not have image stabilization
64
built in image stabilization (Sensor based)
sensor size is nice (APS-C)
supports RAW files
no articulating screen
Photography Glossary

Sports Comparison

Panasonic GX850 Sports photography features
Pentax K100D S Sports photography features
52
quiet mode (1/16,000 seconds)
resolution is good (16 megapixels)
sensor size is nice (Four Thirds)
comes with tracking autofocus
max shutter speed is low (1/500 seconds)
does not have image stabilization
low battery power (210 shots)
no phase detect autofocus
47
built in image stabilization (Sensor based)
sensor size is nice (APS-C)
supports phase detect autofocus
doesn't have liveview
low frames per second (3.0 frames per second)
MP count low (6 megapixels)
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Travel Comparison

Panasonic GX850 Travel photography details
Pentax K100D S Travel photography details
79
includes focus via touch
resolution is good (16 megapixels)
built-in flash
display is selfie friendly
low battery power (210 CIPA)
45
has built in flash
no Timelapse recording
MP count low (6MP)
display isn't selfie friendly
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Landscape Comparison

Panasonic GX850 Landscape photography information
Pentax K100D S Landscape photography information
71
has manual focus
switch lenses (Micro Four Thirds mount)
screen is a good size (3 inch)
resolution is good (16MP)
sensor size is nice (Four Thirds)
no low pass filter
very good ISO range (25,600)
exports RAW formats
does not have image stabilization
low battery power (210 per charge)
52
focusing manually
switch lenses (Pentax KAF2 mount)
built in image stabilization (Sensor based)
sensor size is nice (APS-C)
supports RAW files
screen is somewhat small (2.5")
doesn't have liveview
MP count low (6MP)
no Timelapse recording
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Vlogging Comparison

Panasonic GX850 Vlogging highlights
Pentax K100D S Vlogging highlights
73
display is selfie friendly
touchscreen functionality
comes with face detection autofocus
video resolution high (3840 x 2160 pxls)
does not have image stabilization
lack of external microphone port
9
no video recording
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Panasonic GX850 vs Pentax K100D S Specifications

Detailed spec comparison table for Panasonic GX850 and Pentax K100D S
 Panasonic Lumix DMC-GX850Pentax K100D Super
General Information
Make Panasonic Pentax
Model Panasonic Lumix DMC-GX850 Pentax K100D Super
Also referred to as Lumix DMC-GX800 / Lumix DMC-GF9 -
Class Entry-Level Mirrorless Entry-Level DSLR
Launched 2017-01-04 2007-06-28
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 area 224.9mm² 369.0mm²
Sensor resolution 16 megapixels 6 megapixels
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 pictures
Min enhanced ISO 100 -
Autofocusing
Manual focus
Touch to focus
AF continuous
Single AF
AF tracking
Selective AF
AF center weighted
Multi area AF
AF live view
Face detect AF
Contract detect AF
Phase detect AF
Number of focus points 49 11
Lens
Lens mount Micro Four Thirds Pentax KAF2
Total lenses 107 151
Focal length multiplier 2.1 1.5
Screen
Display type Tilting Fixed Type
Display sizing 3" 2.5"
Resolution of display 1,040k dots 210k dots
Selfie friendly
Liveview
Touch functionality
Viewfinder Information
Viewfinder type None Optical (pentamirror)
Viewfinder coverage - 96 percent
Viewfinder magnification - 0.57x
Features
Min shutter speed 60s 30s
Max shutter speed 1/500s 1/4000s
Max quiet shutter speed 1/16000s -
Continuous shutter rate 10.0fps 3.0fps
Shutter priority
Aperture priority
Manual mode
Exposure compensation Yes Yes
Change WB
Image stabilization
Integrated 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
External flash
AEB
WB bracketing
Max flash synchronize - 1/180s
Exposure
Multisegment
Average
Spot
Partial
AF area
Center weighted
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 data format MPEG-4, AVCHD -
Microphone 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 proof
Dust proof
Shock proof
Crush proof
Freeze proof
Weight 269g (0.59 pounds) 646g (1.42 pounds)
Physical dimensions 107 x 65 x 33mm (4.2" x 2.6" x 1.3") 129 x 91 x 71mm (5.1" x 3.6" 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 images -
Type of battery Battery Pack -
Battery model - 4 x AA
Self timer Yes (2, 10 sec, 3 images/10 sec) Yes (2 or 12 sec)
Time lapse recording
Type of storage microSD/SDHC/SDXC SD/SDHC card
Card slots One One
Retail price $548 $520