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Panasonic G3 vs Pentax K-3 II

Portability
83
Imaging
51
Features
62
Overall
55
Panasonic Lumix DMC-G3 front
 
Pentax K-3 II front
Portability
59
Imaging
66
Features
84
Overall
73

Panasonic G3 vs Pentax K-3 II Key Specs

Panasonic G3
(Full Review)
  • 16MP - Four Thirds Sensor
  • 3" Fully Articulated Display
  • ISO 160 - 6400
  • 1920 x 1080 video
  • Micro Four Thirds Mount
  • 336g - 115 x 84 x 47mm
  • Launched July 2011
  • Older Model is Panasonic G2
  • Refreshed by Panasonic G5
Pentax K-3 II
(Full Review)
  • 24MP - APS-C Sensor
  • 3.2" Fixed Screen
  • 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
  • Introduced April 2015
  • Superseded the Pentax K-3
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Panasonic G3 vs Pentax K-3 II Overview

Following is a thorough overview of the Panasonic G3 versus Pentax K-3 II, former is a Entry-Level Mirrorless while the latter is a Advanced DSLR by competitors Panasonic and Pentax. There is a considerable difference among the resolutions of the G3 (16MP) and K-3 II (24MP) and the G3 (Four Thirds) and K-3 II (APS-C) come with totally different sensor size.

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The G3 was unveiled 4 years prior to the K-3 II which is a fairly large difference as far as camera tech is concerned. Both the cameras come with different body type with the Panasonic G3 being a SLR-style mirrorless camera and the Pentax K-3 II being a Mid-size SLR camera.

Before we go in to a thorough comparison, below is a brief highlight of how the G3 grades versus the K-3 II for portability, imaging, features and an overall score.

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Reasons to pick Panasonic G3 over the Pentax K-3 II

 G3 K-3 II 
Screen typeFully ArticulatedFixed Fully Articulating screen
Selfie screen Easy selfies
Touch friendly screen Quickly navigate

Reasons to pick Pentax K-3 II over the Panasonic G3

 K-3 II G3 
IntroducedApril 2015July 2011More modern by 46 months
Screen dimension3.2"3"Bigger screen (+0.2")
Screen resolution1037k460kClearer screen (+577k dot)

Common features in the Panasonic G3 and Pentax K-3 II

 G3 K-3 II 
Manually focus Very precise focus

Panasonic G3 vs Pentax K-3 II Physical Comparison

In case you're looking to carry around your camera often, you should think about its weight and volume. The Panasonic G3 enjoys exterior dimensions of 115mm x 84mm x 47mm (4.5" x 3.3" x 1.9") along with a weight of 336 grams (0.74 lbs) whilst the Pentax K-3 II has sizing 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 G3 versus Pentax K-3 II in our newest Camera plus Lens Size Comparison Tool. Camera Size Comparison with Lenses

Take into account, the weight of an ILC will vary depending on the lens you select at that moment. The following is the front view dimensions comparison of the G3 against the K-3 II.

Panasonic G3 vs Pentax K-3 II size comparison

Factoring in size and weight, the portability score of the G3 and K-3 II is 83 and 59 respectively.

Panasonic G3 vs Pentax K-3 II top view buttons comparison

Panasonic G3 vs Pentax K-3 II Sensor Comparison

Often, it can be hard to visualise the difference in sensor sizes purely by checking out specs. The picture underneath should provide you a much better sense of the sensor sizes in the G3 and K-3 II.

All in all, the two cameras have got different megapixels and different sensor sizes. The G3 using its smaller sensor will make achieving bokeh tougher and the Pentax K-3 II will provide more detail having an extra 8 Megapixels. Higher resolution can also let you crop photographs much more aggressively. The more aged G3 will be disadvantaged when it comes to sensor innovation.

Panasonic G3 vs Pentax K-3 II sensor size comparison

Panasonic G3 vs Pentax K-3 II Screen and ViewFinder

Panasonic G3 vs Pentax K-3 II Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Panasonic G3 Portrait photography features
Pentax K-3 II Portrait photography features
70
you can focus manually
sensor resolution is decent (16MP)
sensor size is decent (Four Thirds)
provides face detection autofocus
delivers RAW files
79
you can focus manually
good resolution (24 megapixels)
nice sensor size (APS-C)
features face detection focus
saves RAW formats
Photography Glossary

Street Comparison

Panasonic G3 Street photography advice
Pentax K-3 II Street photography advice
75
screen articulates fully
sensor size is decent (Four Thirds)
delivers RAW files
comes with focus by touch
lack of image stabilization
69
built in image stabilization (Sensor based)
nice sensor size (APS-C)
saves RAW formats
environment sealing
good ISO range (51,200)
fixed screen
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Sports Comparison

Panasonic G3 Sports photography highlights
Pentax K-3 II Sports photography highlights
46
sensor resolution is decent (16MP)
sensor size is decent (Four Thirds)
provides tracking autofocus
max fps low (4.0 fps)
lack of image stabilization
not so great battery life (270 CIPA)
has no phase detect autofocus
76
max shutter speed is good (1/8,000s)
built in image stabilization (Sensor based)
good resolution (24MP)
nice sensor size (APS-C)
features tracking autofocus
environment sealing
supports phase detect auto focus
bad battery (720 shots)
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Travel Comparison

Panasonic G3 Travel photography info
Pentax K-3 II Travel photography info
70
comes with focus by touch
sensor resolution is decent (16MP)
flash built-in
screen is selfie friendly
does not have Timelapse function
not so great battery life (270 per charge)
56
environment sealing
good resolution (24MP)
bad battery (720 shots)
doesn't feature selfie friendly display
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Landscape Comparison

Panasonic G3 Landscape photography details
Pentax K-3 II Landscape photography details
62
you can focus manually
change lenses (Micro Four Thirds mount)
screen size is good (3 inch)
sensor resolution is decent (16MP)
sensor size is decent (Four Thirds)
delivers RAW files
lack of image stabilization
not so great battery life (270 per charge)
does not have Timelapse function
78
you can focus manually
switch lenses (Pentax KAF2 mount)
screen size is good (3.2 inches)
built in image stabilization (Sensor based)
good resolution (24MP)
nice sensor size (APS-C)
no anti-alias filter
good ISO range (51,200)
saves RAW formats
environment sealing
has dual storage slots
bad battery (720 CIPA)
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Vlogging Comparison

Vlogging with Panasonic G3
Vlogging with Pentax K-3 II
70
screen is selfie friendly
touchscreen functionality
provides face detection autofocus
video resolution high (1920 x 1080 pixels)
lack of image stabilization
does not have external microphone socket
34
built in image stabilization (Sensor based)
features face detection focus
high res video (1920 x 1080 resolution)
comes with external mic jack
doesn't feature selfie friendly display
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Panasonic G3 vs Pentax K-3 II Specifications

Detailed spec comparison table for Panasonic G3 and Pentax K-3 II
 Panasonic Lumix DMC-G3Pentax K-3 II
General Information
Make Panasonic Pentax
Model type Panasonic Lumix DMC-G3 Pentax K-3 II
Type Entry-Level Mirrorless Advanced DSLR
Launched 2011-07-11 2015-04-23
Body design SLR-style mirrorless Mid-size SLR
Sensor Information
Powered by Venus Engine FHD Prime III
Sensor type CMOS CMOS
Sensor size Four Thirds APS-C
Sensor dimensions 17.3 x 13mm 23.5 x 15.6mm
Sensor area 224.9mm² 366.6mm²
Sensor resolution 16 megapixels 24 megapixels
Anti alias filter
Aspect ratio 1:1, 4:3, 3:2 and 16:9 3:2
Full resolution 4592 x 3448 6016 x 4000
Max native ISO 6400 51200
Min native ISO 160 100
RAW images
Autofocusing
Manual focusing
AF touch
AF continuous
AF single
AF tracking
Selective AF
AF center weighted
Multi area AF
AF live view
Face detect AF
Contract detect AF
Phase detect AF
Total focus points 23 27
Cross type focus points - 25
Lens
Lens support Micro Four Thirds Pentax KAF2
Number of lenses 107 151
Focal length multiplier 2.1 1.5
Screen
Range of display Fully Articulated Fixed Type
Display sizing 3 inches 3.2 inches
Resolution of display 460k dot 1,037k dot
Selfie friendly
Liveview
Touch friendly
Display technology TFT Color LCD with wide-viewing angle -
Viewfinder Information
Viewfinder Electronic Optical (pentaprism)
Viewfinder resolution 1,440k dot -
Viewfinder coverage 100 percent 100 percent
Viewfinder magnification 0.7x 0.64x
Features
Slowest shutter speed 60s 30s
Maximum shutter speed 1/4000s 1/8000s
Continuous shooting speed 4.0 frames/s 8.3 frames/s
Shutter priority
Aperture priority
Manual exposure
Exposure compensation Yes Yes
Custom WB
Image stabilization
Built-in flash
Flash distance 11.00 m no built-in flash
Flash settings 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)
External flash
Auto exposure bracketing
WB bracketing
Maximum flash sync 1/160s 1/180s
Exposure
Multisegment
Average
Spot
Partial
AF area
Center weighted
Video features
Supported video resolutions 1920 x 1080 (60fps) 1280 x 720 (60, 30 fps), 640 x 480 (30fps), 320 x 240 (30fps)) 1920 x 1080 (60i, 50i, 30p, 25p, 24p), 1280 x 720 (60p, 50p, 30p, 25p, 24p)
Max video resolution 1920x1080 1920x1080
Video file format AVCHD, Motion JPEG MPEG-4, H.264
Mic input
Headphone input
Connectivity
Wireless None Optional
Bluetooth
NFC
HDMI
USB USB 2.0 (480 Mbit/sec) USB 3.0 (5 GBit/sec)
GPS None BuiltIn
Physical
Environmental seal
Water proofing
Dust proofing
Shock proofing
Crush proofing
Freeze proofing
Weight 336 gr (0.74 pounds) 800 gr (1.76 pounds)
Dimensions 115 x 84 x 47mm (4.5" x 3.3" x 1.9") 131 x 100 x 77mm (5.2" x 3.9" x 3.0")
DXO scores
DXO All around rating 56 80
DXO Color Depth rating 21.0 23.6
DXO Dynamic range rating 10.6 13.6
DXO Low light rating 667 1106
Other
Battery life 270 pictures 720 pictures
Battery format Battery Pack Battery Pack
Battery ID - D-LI90
Self timer Yes (2 or 10 sec) Yes ( 2 or 12 seconds)
Time lapse recording
Storage media SD/SDHC/SDXC Dual SD/SDHC/SDXC
Storage slots Single Two
Retail price $500 $829