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Panasonic GM1 vs Pentax K100D S

Portability
93
Imaging
53
Features
60
Overall
55
Panasonic Lumix DMC-GM1 front
 
Pentax K100D Super front
Portability
65
Imaging
45
Features
38
Overall
42

Panasonic GM1 vs Pentax K100D S Key Specs

Panasonic GM1
(Full Review)
  • 16MP - Four Thirds Sensor
  • 3" Fixed Screen
  • ISO 200 - 25600
  • 1920 x 1080 video
  • Micro Four Thirds Mount
  • 204g - 99 x 55 x 30mm
  • Launched December 2013
  • Newer Model is Panasonic GM5
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
  • Announced June 2007
  • Earlier Model is Pentax K100D
  • Replacement is Pentax K200D
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Panasonic GM1 vs Pentax K100D S Overview

Here, we are evaluating the Panasonic GM1 vs Pentax K100D S, one being a Entry-Level Mirrorless and the other is a Entry-Level DSLR by brands Panasonic and Pentax. There is a big difference between the sensor resolutions of the GM1 (16MP) and K100D S (6MP) and the GM1 (Four Thirds) and K100D S (APS-C) boast totally different sensor measurements.

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The GM1 was revealed 6 years later than the K100D S and that is quite a big gap as far as tech is concerned. Both the cameras feature different body design with the Panasonic GM1 being a Rangefinder-style mirrorless camera and the Pentax K100D S being a Compact SLR camera.

Before delving right into a detailed comparison, here is a concise summary of how the GM1 grades versus the K100D S in terms of portability, imaging, features and an overall grade.

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Reasons to pick Panasonic GM1 over the Pentax K100D S

 GM1 K100D S 
AnnouncedDecember 2013June 2007More recent by 79 months
Display size3"2.5"Larger display (+0.5")
Display resolution1036k210kSharper display (+826k dot)
Touch friendly display Easily navigate

Reasons to pick Pentax K100D S over the Panasonic GM1

 K100D S GM1 

Common features in the Panasonic GM1 and Pentax K100D S

 GM1 K100D S 
Manual focus Very precise focus
Display typeFixed Fixed Fixed display
Selfie screen Neither comes with selfie screen

Panasonic GM1 vs Pentax K100D S Physical Comparison

If you are intending to lug around your camera often, you are going to need to take into account its weight and dimensions. The Panasonic GM1 comes with exterior dimensions of 99mm x 55mm x 30mm (3.9" x 2.2" x 1.2") along with a weight of 204 grams (0.45 lbs) while the Pentax K100D S has dimensions of 129mm x 91mm x 71mm (5.1" x 3.6" x 2.8") accompanied by a weight of 646 grams (1.42 lbs).

Analyze the Panasonic GM1 vs Pentax K100D S in the all new Camera and Lens Size Comparison Tool. Camera Size Comparison with Lenses

Take into account, the weight of an Interchangeable Lens Camera will vary based on the lens you are utilising during that time. Below is a front view sizing comparison of the GM1 vs the K100D S.

Panasonic GM1 vs Pentax K100D S size comparison

Considering size and weight, the portability score of the GM1 and K100D S is 93 and 65 respectively.

Panasonic GM1 vs Pentax K100D S top view buttons comparison

Panasonic GM1 vs Pentax K100D S Sensor Comparison

In many cases, it can be hard to envision the contrast between sensor measurements purely by going over a spec sheet. The visual below might offer you a stronger sense of the sensor sizes in the GM1 and K100D S.

As you can see, each of these cameras come with different megapixels and different sensor measurements. The GM1 using its tinier sensor will make getting shallower DOF more difficult and the Panasonic GM1 will offer you more detail because of its extra 10MP. Greater resolution will also help you crop images a good deal more aggressively. The more modern GM1 is going to have an advantage in sensor technology.

Panasonic GM1 vs Pentax K100D S sensor size comparison

Panasonic GM1 vs Pentax K100D S Screen and ViewFinder

Panasonic GM1 vs Pentax K100D S Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Portrait photography with Panasonic GM1
Portrait photography with Pentax K100D S
65
manual focus
resolution is good (16 megapixels)
sensor size is good (Four Thirds)
provides face detection autofocus
exports RAW formats
no external flash support
51
manual focus
decent sensor size (APS-C)
saves RAW files
does not have liveview
MP count low (6MP)
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Street Comparison

Panasonic GM1 as a Street photography camera
Pentax K100D S as a Street photography camera
77
sensor size is good (Four Thirds)
exports RAW formats
includes focus by touch
lighter than competition in class (204g)
very good high ISO (25,600)
fixed screen
does not have image stabilization
64
has image stabilization (Sensor based)
decent sensor size (APS-C)
saves RAW files
screen is fixed
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Sports Comparison

Panasonic GM1 Sports photography information
Pentax K100D S Sports photography information
48
quiet mode (1/16,000s)
resolution is good (16 megapixels)
sensor size is good (Four Thirds)
provides tracking autofocus
max shutter speed is low (1/500s)
painfully slow continuous shooting (5.0 frames per second)
does not have image stabilization
bad battery power (230 shots)
doesn't have phase detect autofocus
47
has image stabilization (Sensor based)
decent sensor size (APS-C)
has phase detect AF
does not have liveview
painfully slow continuous shooting (3.0 frames/s)
MP count low (6 megapixels)
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Travel Comparison

Panasonic GM1 Travel photography highlights
Pentax K100D S Travel photography highlights
74
lighter than competition in class (204 grams)
includes focus by touch
resolution is good (16MP)
has built in flash
bad battery power (230 per charge)
display is not selfie friendly
45
has built in flash
lack of Timelapse function
MP count low (6 megapixels)
doesn't offer selfie friendly screen
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Landscape Comparison

Panasonic GM1 as a Landscape photography camera
Pentax K100D S as a Landscape photography camera
69
manual focus
interchangeable lenses (Micro Four Thirds mount)
screen size is good (3 inch)
resolution is good (16MP)
sensor size is good (Four Thirds)
very good high ISO (25,600)
exports RAW formats
does not have image stabilization
bad battery power (230 per charge)
52
manual focus
swap lenses (Pentax KAF2 mount)
has image stabilization (Sensor based)
decent sensor size (APS-C)
saves RAW files
tiny screen (2.5")
does not have liveview
MP count low (6 megapixels)
lack of Timelapse function
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Vlogging Comparison

Panasonic GM1 as a Vlogging camera
Pentax K100D S as a Vlogging camera
35
built-in touchscreen
provides face detection autofocus
high quality video (1920 x 1080 pixels)
lighter than competition in class (204g)
display is not selfie friendly
does not have image stabilization
lack of external mic port
9
can't shoot video
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Panasonic GM1 vs Pentax K100D S Specifications

Detailed spec comparison table for Panasonic GM1 and Pentax K100D S
 Panasonic Lumix DMC-GM1Pentax K100D Super
General Information
Manufacturer Panasonic Pentax
Model Panasonic Lumix DMC-GM1 Pentax K100D Super
Class Entry-Level Mirrorless Entry-Level DSLR
Launched 2013-12-19 2007-06-28
Physical type Rangefinder-style mirrorless Compact SLR
Sensor Information
Sensor type CMOS CCD
Sensor size Four Thirds APS-C
Sensor measurements 17.3 x 13mm 23.5 x 15.7mm
Sensor surface 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 resolution 4592 x 3448 3008 x 2008
Highest native ISO 25600 3200
Min native ISO 200 200
RAW pictures
Autofocusing
Focus manually
Touch to focus
Continuous AF
Single AF
Tracking AF
AF selectice
Center weighted AF
AF multi area
Live view AF
Face detection focusing
Contract detection focusing
Phase detection focusing
Number of focus points 23 11
Lens
Lens mounting type Micro Four Thirds Pentax KAF2
Available lenses 107 151
Crop factor 2.1 1.5
Screen
Screen type Fixed Type Fixed Type
Screen size 3 inch 2.5 inch
Screen resolution 1,036k dots 210k dots
Selfie friendly
Liveview
Touch functionality
Screen tech TFT Color LCD with wide-viewing angle -
Viewfinder Information
Viewfinder type None Optical (pentamirror)
Viewfinder coverage - 96 percent
Viewfinder magnification - 0.57x
Features
Slowest shutter speed 60s 30s
Maximum shutter speed 1/500s 1/4000s
Maximum silent shutter speed 1/16000s -
Continuous shooting rate 5.0 frames/s 3.0 frames/s
Shutter priority
Aperture priority
Expose Manually
Exposure compensation Yes Yes
Change WB
Image stabilization
Built-in flash
Flash range 4.00 m -
Flash modes Auto, On, Off, Red-Eye, Slow Sync Auto, On, Off, Red-eye reduction
External flash
Auto exposure bracketing
White balance bracketing
Maximum flash synchronize 1/50s 1/180s
Exposure
Multisegment metering
Average metering
Spot metering
Partial metering
AF area metering
Center weighted metering
Video features
Supported video resolutions 1920 x 1080 (60i, 50i, 24p), 1280 x 720p (60p, 50p), 640 x 480 (30p, 25p) -
Highest video resolution 1920x1080 None
Video data format MPEG-4, AVCHD -
Microphone 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 204g (0.45 lbs) 646g (1.42 lbs)
Physical dimensions 99 x 55 x 30mm (3.9" x 2.2" x 1.2") 129 x 91 x 71mm (5.1" x 3.6" x 2.8")
DXO scores
DXO All around score 66 not tested
DXO Color Depth score 22.3 not tested
DXO Dynamic range score 11.7 not tested
DXO Low light score 660 not tested
Other
Battery life 230 photographs -
Style of battery Battery Pack -
Battery model - 4 x AA
Self timer Yes (2 or 10 sec, 10 sec (3 images)) Yes (2 or 12 sec)
Time lapse shooting
Storage type SD/SDHC/SDXC SD/SDHC card
Card slots One One
Pricing at launch $750 $520