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Panasonic GM1 vs Pentax K-3 II

Portability
93
Imaging
53
Features
60
Overall
55
Panasonic Lumix DMC-GM1 front
 
Pentax K-3 II front
Portability
59
Imaging
66
Features
84
Overall
73

Panasonic GM1 vs Pentax K-3 II Key Specs

Panasonic GM1
(Full Review)
  • 16MP - Four Thirds Sensor
  • 3" Fixed Display
  • ISO 200 - 25600
  • 1920 x 1080 video
  • Micro Four Thirds Mount
  • 204g - 99 x 55 x 30mm
  • Released December 2013
  • Replacement is Panasonic GM5
Pentax K-3 II
(Full Review)
  • 24MP - APS-C Sensor
  • 3.2" Fixed Display
  • ISO 100 - 51200
  • Sensor based Image Stabilization
  • No Anti-Alias Filter
  • 1/8000s Maximum Shutter
  • 1920 x 1080 video
  • Pentax KAF2 Mount
  • 800g - 131 x 100 x 77mm
  • Released April 2015
  • Old Model is Pentax K-3
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Panasonic GM1 vs Pentax K-3 II Overview

Its time to look more closely at the Panasonic GM1 versus Pentax K-3 II, former is a Entry-Level Mirrorless while the other is a Advanced DSLR by rivals Panasonic and Pentax. There is a large difference between the image resolutions of the GM1 (16MP) and K-3 II (24MP) and the GM1 (Four Thirds) and K-3 II (APS-C) offer different sensor sizing.

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The GM1 was announced 16 months prior to the K-3 II making them a generation away from each other. Each of the cameras have different body design with the Panasonic GM1 being a Rangefinder-style mirrorless camera and the Pentax K-3 II being a Mid-size SLR camera.

Before delving straight to a in depth comparison, here is a simple summation of how the GM1 grades versus the K-3 II with respect to portability, imaging, features and an overall score.

Photography Glossary
	
	

Reasons to pick Panasonic GM1 over the Pentax K-3 II

 GM1 K-3 II 
Touch friendly display Easily navigate

Reasons to pick Pentax K-3 II over the Panasonic GM1

 K-3 II GM1 
ReleasedApril 2015December 2013More modern by 16 months
Display dimensions3.2"3"Larger display (+0.2")
Display resolution1037k1036kSharper display (+1k dot)

Common features in the Panasonic GM1 and Pentax K-3 II

 GM1 K-3 II 
Focus manually Dial precise focus
Display typeFixed Fixed Fixed display
Selfie screen Absent selfie screen

Panasonic GM1 vs Pentax K-3 II Physical Comparison

If you are going to carry around your camera often, you will have to consider its weight and proportions. The Panasonic GM1 comes with outside dimensions of 99mm x 55mm x 30mm (3.9" x 2.2" x 1.2") with a weight of 204 grams (0.45 lbs) and the Pentax K-3 II has measurements of 131mm x 100mm x 77mm (5.2" x 3.9" x 3.0") along with a weight of 800 grams (1.76 lbs).

Check the Panasonic GM1 versus Pentax K-3 II in our completely new Camera & Lens Size Comparison Tool. Camera Size Comparison with Lenses

Keep in mind, the weight of an ILC will vary dependant on the lens you are utilizing during that time. Underneath is a front view proportions comparison of the GM1 versus the K-3 II.

Panasonic GM1 vs Pentax K-3 II size comparison

Looking at size and weight, the portability grade of the GM1 and K-3 II is 93 and 59 respectively.

Panasonic GM1 vs Pentax K-3 II top view buttons comparison

Panasonic GM1 vs Pentax K-3 II Sensor Comparison

In many cases, it is very difficult to imagine the difference between sensor sizes only by reading specs. The pic below may provide you a more clear sense of the sensor sizes in the GM1 and K-3 II.

As you can plainly see, both the cameras provide different megapixel count and different sensor sizes. The GM1 with its tinier sensor is going to make shooting shallower depth of field more difficult and the Pentax K-3 II will offer you extra detail with its extra 8MP. Greater resolution can also allow you to crop pics more aggressively. The more aged GM1 is going to be disadvantaged in sensor tech.

Panasonic GM1 vs Pentax K-3 II sensor size comparison

Panasonic GM1 vs Pentax K-3 II Screen and ViewFinder

Panasonic GM1 vs Pentax K-3 II Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Panasonic GM1 Portrait photography info
Pentax K-3 II Portrait photography info
65
you can focus manually
decent megapixels (16MP)
sensor size is nice (Four Thirds)
supports face detection focusing
supports RAW formats
cannot use external flash
79
you can focus manually
good megapixels (24 megapixels)
good sensor size (APS-C)
offers face detection autofocus
exports RAW files
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Street Comparison

Panasonic GM1 Street photography information
Pentax K-3 II Street photography information
77
sensor size is nice (Four Thirds)
supports RAW formats
comes with touch to focus
lighter than competition (204 grams)
great ISO range (25,600)
screen is fixed
no image stabilization
69
has image stabilization (Sensor based)
good sensor size (APS-C)
exports RAW files
environment proof
above average ISO range (51,200)
no moving screen
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Sports Comparison

Panasonic GM1 Sports photography factors
Pentax K-3 II Sports photography factors
48
silent mode (1/16,000s)
decent megapixels (16MP)
sensor size is nice (Four Thirds)
supports tracking autofocus
maximum shutter speed is a little low (1/500s)
low fps (5.0 frames per second)
no image stabilization
bad battery pack (230 per charge)
does not have phase detect AF
76
maximum shutter speed is high (1/8,000 seconds)
has image stabilization (Sensor based)
good megapixels (24 megapixels)
good sensor size (APS-C)
offers tracking autofocus
environment proof
sensor has phase detect autofocus
not so great battery power (720 shots)
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Travel Comparison

Panasonic GM1 Travel photography details
Pentax K-3 II Travel photography details
74
lighter than competition (204g)
comes with touch to focus
decent megapixels (16 megapixels)
flash built-in
bad battery pack (230 CIPA)
screen is not selfie friendly
56
environment proof
good megapixels (24MP)
not so great battery power (720 CIPA)
display isn't selfie friendly
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Landscape Comparison

Panasonic GM1 Landscape photography features
Pentax K-3 II Landscape photography features
69
you can focus manually
change lenses (Micro Four Thirds mount)
pretty good screen size (3")
decent megapixels (16MP)
sensor size is nice (Four Thirds)
great ISO range (25,600)
supports RAW formats
no image stabilization
bad battery pack (230 shots)
78
you can focus manually
switch lenses (Pentax KAF2 mount)
screen size is good (3.2 inch)
has image stabilization (Sensor based)
good megapixels (24MP)
good sensor size (APS-C)
doesnt have low pass filter
above average ISO range (51,200)
exports RAW files
environment proof
two card slots
not so great battery power (720 shots)
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Vlogging Comparison

Panasonic GM1 Vlogging advice
Pentax K-3 II Vlogging advice
35
touchscreen functionality
supports face detection focusing
high res video (1920 x 1080 pixels)
lighter than competition (204 grams)
screen is not selfie friendly
no image stabilization
doesn't have external microphone support
34
has image stabilization (Sensor based)
offers face detection autofocus
video resolution high (1920 x 1080 resolution)
includes external microphone socket
display isn't selfie friendly
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Panasonic GM1 vs Pentax K-3 II Specifications

Detailed spec comparison table for Panasonic GM1 and Pentax K-3 II
 Panasonic Lumix DMC-GM1Pentax K-3 II
General Information
Company Panasonic Pentax
Model Panasonic Lumix DMC-GM1 Pentax K-3 II
Class Entry-Level Mirrorless Advanced DSLR
Released 2013-12-19 2015-04-23
Physical type Rangefinder-style mirrorless Mid-size SLR
Sensor Information
Powered by - Prime III
Sensor type CMOS CMOS
Sensor size Four Thirds APS-C
Sensor measurements 17.3 x 13mm 23.5 x 15.6mm
Sensor surface area 224.9mm² 366.6mm²
Sensor resolution 16MP 24MP
Anti aliasing filter
Aspect ratio 1:1, 4:3, 3:2 and 16:9 3:2
Highest resolution 4592 x 3448 6016 x 4000
Highest native ISO 25600 51200
Lowest native ISO 200 100
RAW photos
Autofocusing
Focus manually
AF touch
Continuous AF
AF single
AF tracking
AF selectice
AF center weighted
AF multi area
Live view AF
Face detect AF
Contract detect AF
Phase detect AF
Number of focus points 23 27
Cross focus points - 25
Lens
Lens mounting type Micro Four Thirds Pentax KAF2
Number of lenses 107 151
Focal length multiplier 2.1 1.5
Screen
Type of display Fixed Type Fixed Type
Display size 3 inches 3.2 inches
Resolution of display 1,036 thousand dots 1,037 thousand dots
Selfie friendly
Liveview
Touch screen
Display tech TFT Color LCD with wide-viewing angle -
Viewfinder Information
Viewfinder None Optical (pentaprism)
Viewfinder coverage - 100%
Viewfinder magnification - 0.64x
Features
Lowest shutter speed 60s 30s
Highest shutter speed 1/500s 1/8000s
Highest quiet shutter speed 1/16000s -
Continuous shooting rate 5.0fps 8.3fps
Shutter priority
Aperture priority
Manually set exposure
Exposure compensation Yes Yes
Set WB
Image stabilization
Built-in flash
Flash range 4.00 m no built-in flash
Flash modes Auto, On, Off, Red-Eye, Slow Sync 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 (available with dedicated external flash)
Hot shoe
AEB
White balance bracketing
Highest flash synchronize 1/50s 1/180s
Exposure
Multisegment
Average
Spot
Partial
AF area
Center weighted
Video features
Supported video resolutions 1920 x 1080 (60i, 50i, 24p), 1280 x 720p (60p, 50p), 640 x 480 (30p, 25p) 1920 x 1080 (60i, 50i, 30p, 25p, 24p), 1280 x 720 (60p, 50p, 30p, 25p, 24p)
Highest video resolution 1920x1080 1920x1080
Video data format MPEG-4, AVCHD MPEG-4, H.264
Microphone port
Headphone port
Connectivity
Wireless Built-In Optional
Bluetooth
NFC
HDMI
USB USB 2.0 (480 Mbit/sec) USB 3.0 (5 GBit/sec)
GPS None BuiltIn
Physical
Environmental sealing
Water proof
Dust proof
Shock proof
Crush proof
Freeze proof
Weight 204 gr (0.45 lbs) 800 gr (1.76 lbs)
Physical dimensions 99 x 55 x 30mm (3.9" x 2.2" x 1.2") 131 x 100 x 77mm (5.2" x 3.9" x 3.0")
DXO scores
DXO All around score 66 80
DXO Color Depth score 22.3 23.6
DXO Dynamic range score 11.7 13.6
DXO Low light score 660 1106
Other
Battery life 230 pictures 720 pictures
Battery type Battery Pack Battery Pack
Battery model - D-LI90
Self timer Yes (2 or 10 sec, 10 sec (3 images)) Yes ( 2 or 12 seconds)
Time lapse recording
Storage type SD/SDHC/SDXC Dual SD/SDHC/SDXC
Card slots 1 2
Price at launch $750 $829