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Panasonic G3 vs Pentax K-r

Portability
83
Imaging
51
Features
62
Overall
55
Panasonic Lumix DMC-G3 front
 
Pentax K-r front
Portability
67
Imaging
53
Features
52
Overall
52

Panasonic G3 vs Pentax K-r Key Specs

Panasonic G3
(Full Review)
  • 16MP - Four Thirds Sensor
  • 3" Fully Articulated Screen
  • ISO 160 - 6400
  • 1920 x 1080 video
  • Micro Four Thirds Mount
  • 336g - 115 x 84 x 47mm
  • Introduced July 2011
  • Superseded the Panasonic G2
  • New Model is Panasonic G5
Pentax K-r
(Full Review)
  • 12MP - APS-C Sensor
  • 3" Fixed Display
  • ISO 200 - 12800 (Push to 25600)
  • Sensor based Image Stabilization
  • 1/6000s Maximum Shutter
  • 1280 x 720 video
  • Pentax KAF2 Mount
  • 598g - 125 x 97 x 68mm
  • Launched March 2011
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Panasonic G3 vs Pentax K-r Overview

Lets take a deeper look at the Panasonic G3 versus Pentax K-r, former is a Entry-Level Mirrorless while the other is a Entry-Level DSLR by manufacturers Panasonic and Pentax. There is a noticeable difference between the resolutions of the G3 (16MP) and K-r (12MP) and the G3 (Four Thirds) and K-r (APS-C) boast different sensor measurements.

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The G3 was introduced 5 months after the K-r which means that they are of a similar age. Both cameras have different body design with the Panasonic G3 being a SLR-style mirrorless camera and the Pentax K-r being a Compact SLR camera.

Before diving right into a thorough comparison, here is a brief summation of how the G3 matches up vs the K-r in the way of portability, imaging, features and an overall mark.

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Reasons to pick Panasonic G3 over the Pentax K-r

 G3 K-r 
Display typeFully ArticulatedFixed Fully Articulating display
Selfie screen Take selfies
Touch display Easily navigate

Reasons to pick Pentax K-r over the Panasonic G3

 K-r G3 
Display resolution921k460kSharper display (+461k dot)

Common features in the Panasonic G3 and Pentax K-r

 G3 K-r 
LaunchedJuly 2011March 2011Similar age
Focus manually Dial exact focus
Display dimensions3"3"Equal display measurements

Panasonic G3 vs Pentax K-r Physical Comparison

If you're planning to travel with your camera frequently, you will need to factor in its weight and measurements. The Panasonic G3 has got physical dimensions of 115mm x 84mm x 47mm (4.5" x 3.3" x 1.9") accompanied by a weight of 336 grams (0.74 lbs) whilst the Pentax K-r has proportions of 125mm x 97mm x 68mm (4.9" x 3.8" x 2.7") having a weight of 598 grams (1.32 lbs).

Check out the Panasonic G3 versus Pentax K-r in our newest Camera plus Lens Size Comparison Tool. Camera Size Comparison with Lenses

Do not forget, the weight of an ILC will differ based on the lens you are using at that moment. Underneath is a front view over all size comparison of the G3 compared to the K-r.

Panasonic G3 vs Pentax K-r size comparison

Taking into consideration size and weight, the portability score of the G3 and K-r is 83 and 67 respectively.

Panasonic G3 vs Pentax K-r top view buttons comparison

Panasonic G3 vs Pentax K-r Sensor Comparison

Generally, its tough to visualize the contrast between sensor dimensions purely by going over technical specs. The pic underneath will give you a far better sense of the sensor dimensions in the G3 and K-r.

As you can tell, both of the cameras provide different resolutions and different sensor dimensions. The G3 using its tinier sensor is going to make achieving shallow DOF more difficult and the Panasonic G3 will deliver greater detail using its extra 4 Megapixels. Greater resolution will also make it easier to crop photos more aggressively.

Panasonic G3 vs Pentax K-r sensor size comparison

Panasonic G3 vs Pentax K-r Screen and ViewFinder

Panasonic G3 vs Pentax K-r Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Panasonic G3 Portrait photography information
Pentax K-r Portrait photography information
70
focusing manually
MP count good (16 megapixels)
good sensor size (Four Thirds)
provides face detect focusing
exports RAW formats
63
you can focus manually
nice sensor size (APS-C)
supports face detection autofocus
exports RAW formats
sensor resolution not great (12MP)
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Street Comparison

Panasonic G3 Street photography info
Pentax K-r Street photography info
75
screen can move to multiple angles
good sensor size (Four Thirds)
exports RAW formats
boasts touch to focus
lack of image stabilization
67
built in image stabilization (Sensor based)
nice sensor size (APS-C)
exports RAW formats
screen does not articulate
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Sports Comparison

Panasonic G3 as a Sports photography camera
Pentax K-r as a Sports photography camera
46
MP count good (16 megapixels)
good sensor size (Four Thirds)
provides tracking focus
very slow continuous shooting (4.0 frames/s)
lack of image stabilization
not so great battery power (270 CIPA)
has no phase detect AF
55
max shutter speed is good (1/6,000s)
built in image stabilization (Sensor based)
nice sensor size (APS-C)
supports phase detect autofocus
slow continuous shooting (6.0 frames per second)
sensor resolution not great (12MP)
terrible battery power (470 CIPA)
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Travel Comparison

Panasonic G3 as a Travel photography camera
Pentax K-r as a Travel photography camera
70
boasts touch to focus
MP count good (16 megapixels)
flash built-in
selfie friendly display
doesn't have Timelapse mode
not so great battery power (270 per charge)
47
has built in flash
terrible battery power (470 shots)
sensor resolution not great (12 megapixels)
screen is not selfie friendly
Photography Glossary

Landscape Comparison

Panasonic G3 Landscape photography information
Pentax K-r Landscape photography information
62
focusing manually
interchangeable lenses (Micro Four Thirds mount)
good sized screen (3")
MP count good (16MP)
good sensor size (Four Thirds)
exports RAW formats
lack of image stabilization
not so great battery power (270 shots)
doesn't have Timelapse mode
65
you can focus manually
swap lenses (Pentax KAF2 mount)
screen is a decent size (3")
built in image stabilization (Sensor based)
nice sensor size (APS-C)
exports RAW formats
sensor resolution not great (12MP)
terrible battery power (470 shots)
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Vlogging Comparison

Panasonic G3 as a Vlogging camera
Pentax K-r as a Vlogging camera
70
selfie friendly display
built-in touchscreen
provides face detect focusing
high res video (1920 x 1080 pixels)
lack of image stabilization
doesn't have microphone socket
26
built in image stabilization (Sensor based)
supports face detection autofocus
screen is not selfie friendly
low res video (1280 x 720 resolution)
doesn't have external mic port
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Panasonic G3 vs Pentax K-r Specifications

Detailed spec comparison table for Panasonic G3 and Pentax K-r
 Panasonic Lumix DMC-G3Pentax K-r
General Information
Brand Name Panasonic Pentax
Model type Panasonic Lumix DMC-G3 Pentax K-r
Class Entry-Level Mirrorless Entry-Level DSLR
Introduced 2011-07-11 2011-03-11
Body design SLR-style mirrorless Compact SLR
Sensor Information
Chip Venus Engine FHD Prime II
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 16 megapixel 12 megapixel
Anti alias filter
Aspect ratio 1:1, 4:3, 3:2 and 16:9 3:2
Full resolution 4592 x 3448 4288 x 2848
Max native ISO 6400 12800
Max boosted ISO - 25600
Min native ISO 160 200
RAW images
Min boosted ISO - 100
Autofocusing
Focus manually
Touch to focus
Continuous autofocus
Single autofocus
Autofocus tracking
Autofocus selectice
Autofocus center weighted
Autofocus multi area
Live view autofocus
Face detection focus
Contract detection focus
Phase detection focus
Total focus points 23 11
Cross type focus points - 9
Lens
Lens support Micro Four Thirds Pentax KAF2
Amount of lenses 107 151
Focal length multiplier 2.1 1.5
Screen
Screen type Fully Articulated Fixed Type
Screen sizing 3 inches 3 inches
Resolution of screen 460 thousand dot 921 thousand dot
Selfie friendly
Liveview
Touch function
Screen technology TFT Color LCD with wide-viewing angle TFT LCD monitor
Viewfinder Information
Viewfinder type Electronic Optical (pentamirror)
Viewfinder resolution 1,440 thousand dot -
Viewfinder coverage 100% 96%
Viewfinder magnification 0.7x 0.57x
Features
Lowest shutter speed 60 secs 30 secs
Highest shutter speed 1/4000 secs 1/6000 secs
Continuous shooting speed 4.0 frames per sec 6.0 frames per sec
Shutter priority
Aperture priority
Expose Manually
Exposure compensation Yes Yes
Set white balance
Image stabilization
Integrated flash
Flash distance 11.00 m 12.00 m (at ISO 100)
Flash options Auto, On, Off, Red-Eye, Slow Sync Auto, Red-eye Reduction, Slow-speed Sync, Trailing Curtain Sync, High-Speed Sync and Wireless Sync
External flash
Auto exposure bracketing
White balance bracketing
Highest flash sync 1/160 secs 1/180 secs
Exposure
Multisegment exposure
Average exposure
Spot exposure
Partial exposure
AF area exposure
Center weighted exposure
Video features
Video resolutions 1920 x 1080 (60fps) 1280 x 720 (60, 30 fps), 640 x 480 (30fps), 320 x 240 (30fps)) 1280 x 720 (25 fps), 640 x 480 (25 fps)
Max video resolution 1920x1080 1280x720
Video data format AVCHD, Motion JPEG Motion JPEG
Mic jack
Headphone jack
Connectivity
Wireless None None
Bluetooth
NFC
HDMI
USB USB 2.0 (480 Mbit/sec) USB 2.0 (480 Mbit/sec)
GPS None Optional
Physical
Environmental seal
Water proofing
Dust proofing
Shock proofing
Crush proofing
Freeze proofing
Weight 336 gr (0.74 lbs) 598 gr (1.32 lbs)
Physical dimensions 115 x 84 x 47mm (4.5" x 3.3" x 1.9") 125 x 97 x 68mm (4.9" x 3.8" x 2.7")
DXO scores
DXO All around rating 56 72
DXO Color Depth rating 21.0 22.9
DXO Dynamic range rating 10.6 12.4
DXO Low light rating 667 755
Other
Battery life 270 photographs 470 photographs
Type of battery Battery Pack Battery Pack
Battery ID - D-LI109,4 x AA
Self timer Yes (2 or 10 sec) Yes (2 or 12 sec)
Time lapse feature
Type of storage SD/SDHC/SDXC SD/SDHC
Storage slots Single Single
Launch cost $500 $1,100