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Panasonic G1 vs Pentax K-x

Portability
82
Imaging
46
Features
50
Overall
47
Panasonic Lumix DMC-G1 front
 
Pentax K-x front
Portability
69
Imaging
52
Features
47
Overall
50

Panasonic G1 vs Pentax K-x Key Specs

Panasonic G1
(Full Review)
  • 12MP - Four Thirds Sensor
  • 3" Fully Articulated Display
  • ISO 100 - 1600 (Increase to 3200)
  • No Video
  • Micro Four Thirds Mount
  • 360g - 124 x 84 x 45mm
  • Launched January 2009
  • Renewed by Panasonic G2
Pentax K-x
(Full Review)
  • 12MP - APS-C Sensor
  • 2.7" Fixed Display
  • ISO 100 - 6400 (Increase to 12800)
  • Sensor based Image Stabilization
  • 1/6000s Maximum Shutter
  • 1280 x 720 video
  • Pentax KAF2 Mount
  • 580g - 123 x 92 x 68mm
  • Revealed December 2009
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Panasonic G1 vs Pentax K-x Overview

Its time to look closer at the Panasonic G1 and Pentax K-x, former being a Entry-Level Mirrorless while the other is a Entry-Level DSLR by brands Panasonic and Pentax. The sensor resolution of the G1 (12MP) and the K-x (12MP) is fairly comparable but the G1 (Four Thirds) and K-x (APS-C) use totally different sensor sizing.

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The G1 was launched 11 months before the K-x so they are both of a similar age. Both cameras offer different body type with the Panasonic G1 being a SLR-style mirrorless camera and the Pentax K-x being a Compact SLR camera.

Before diving through a detailed comparison, below is a quick view of how the G1 matches up vs the K-x in terms of portability, imaging, features and an overall rating.

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Reasons to pick Panasonic G1 over the Pentax K-x

 G1 K-x 
Display typeFully ArticulatedFixed Fully Articulating display
Display sizing3"2.7"Larger display (+0.3")
Display resolution460k230kClearer display (+230k dot)
Selfie screen Easy selfies

Reasons to pick Pentax K-x over the Panasonic G1

 K-x G1 
RevealedDecember 2009January 2009Fresher by 11 months

Common features in the Panasonic G1 and Pentax K-x

 G1 K-x 
Focus manually More exact focusing
Touch display Neither includes Touch display

Panasonic G1 vs Pentax K-x Physical Comparison

For anyone who is looking to carry your camera frequently, you should factor its weight and size. The Panasonic G1 features external measurements of 124mm x 84mm x 45mm (4.9" x 3.3" x 1.8") and a weight of 360 grams (0.79 lbs) and the Pentax K-x has specifications of 123mm x 92mm x 68mm (4.8" x 3.6" x 2.7") accompanied by a weight of 580 grams (1.28 lbs).

Contrast the Panasonic G1 and Pentax K-x in our brand new Camera plus Lens Size Comparison Tool. Camera Size Comparison with Lenses

Remember, the weight of an ILC will differ depending on the lens you select during that time. Following is the front view measurement comparison of the G1 versus the K-x.

Panasonic G1 vs Pentax K-x size comparison

Looking at dimensions and weight, the portability rating of the G1 and K-x is 82 and 69 respectively.

Panasonic G1 vs Pentax K-x top view buttons comparison

Panasonic G1 vs Pentax K-x Sensor Comparison

Quite often, its tough to see the contrast in sensor sizing only by going through specifications. The photograph underneath will help provide you a stronger sense of the sensor measurements in the G1 and K-x.

Plainly, the two cameras offer the same exact megapixel count but not the same sensor sizing. The G1 has got the smaller sensor which will make obtaining bokeh harder. The older G1 will be behind in sensor technology.

Panasonic G1 vs Pentax K-x sensor size comparison

Panasonic G1 vs Pentax K-x Screen and ViewFinder

Panasonic G1 vs Pentax K-x Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Panasonic G1 as a Portrait photography camera
Pentax K-x as a Portrait photography camera
57
has manual focus
sensor size is nice (Four Thirds)
exports RAW formats
MP count low (12MP)
63
you can focus manually
sensor size is good (APS-C)
supports face detect focusing
saves RAW formats
sensor resolution low (12MP)
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Street Comparison

Street photography with Panasonic G1
Street photography with Pentax K-x
72
screen can move to multiple angles
sensor size is nice (Four Thirds)
exports RAW formats
no image stabilization
67
built in image stabilization (Sensor based)
sensor size is good (APS-C)
saves RAW formats
no moving screen
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Sports Comparison

Sports photography with Panasonic G1
Sports photography with Pentax K-x
33
sensor size is nice (Four Thirds)
continuous shooting slow (3.0 frames/s)
no image stabilization
MP count low (12 megapixels)
lacks phase detect AF
61
max shutter speed is good (1/6,000 seconds)
built in image stabilization (Sensor based)
sensor size is good (APS-C)
better than average battery (1,900 shots)
has phase detect AF
slow fps (5.0 frames/s)
sensor resolution low (12MP)
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Travel Comparison

Panasonic G1 Travel photography factors
Pentax K-x Travel photography factors
62
flash built-in
selfie friendly display
doesn't have Time Lapse function
MP count low (12 megapixels)
54
better than average battery (1,900 CIPA)
has built in flash
does not have Time Lapse recording
sensor resolution low (12MP)
display is not selfie friendly
Photography Glossary

Landscape Comparison

Panasonic G1 as a Landscape photography camera
Pentax K-x as a Landscape photography camera
57
has manual focus
change lenses (Micro Four Thirds mount)
pretty good screen size (3")
sensor size is nice (Four Thirds)
exports RAW formats
no image stabilization
MP count low (12 megapixels)
doesn't have Time Lapse function
61
you can focus manually
interchangeable lenses (Pentax KAF2 mount)
built in image stabilization (Sensor based)
sensor size is good (APS-C)
saves RAW formats
better than average battery (1,900 shots)
small screen (2.7")
sensor resolution low (12MP)
does not have Time Lapse recording
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Vlogging Comparison

Panasonic G1 Vlogging details
Pentax K-x Vlogging details
18
no video
27
built in image stabilization (Sensor based)
supports face detect focusing
display is not selfie friendly
video quality not great (1280 x 720 resolution)
does not have mic jack
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Panasonic G1 vs Pentax K-x Specifications

Detailed spec comparison table for Panasonic G1 and Pentax K-x
 Panasonic Lumix DMC-G1Pentax K-x
General Information
Brand Panasonic Pentax
Model type Panasonic Lumix DMC-G1 Pentax K-x
Class Entry-Level Mirrorless Entry-Level DSLR
Launched 2009-01-19 2009-12-23
Body design SLR-style mirrorless Compact SLR
Sensor Information
Processor Chip - Prime
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 12 megapixels 12 megapixels
Anti alias filter
Aspect ratio 4:3, 3:2 and 16:9 3:2
Highest resolution 4000 x 3000 4288 x 2848
Highest native ISO 1600 6400
Highest boosted ISO 3200 12800
Min native ISO 100 100
RAW photos
Autofocusing
Focus manually
Autofocus touch
Autofocus continuous
Single autofocus
Autofocus tracking
Selective autofocus
Center weighted autofocus
Multi area autofocus
Autofocus live view
Face detect autofocus
Contract detect autofocus
Phase detect autofocus
Total focus points - 11
Lens
Lens support Micro Four Thirds Pentax KAF2
Total lenses 107 151
Focal length multiplier 2.1 1.5
Screen
Range of display Fully Articulated Fixed Type
Display sizing 3 inch 2.7 inch
Resolution of display 460k dot 230k dot
Selfie friendly
Liveview
Touch function
Display technology - TFT LCD monitor
Viewfinder Information
Viewfinder type Electronic Optical (pentamirror)
Viewfinder coverage 100 percent 96 percent
Viewfinder magnification - 0.57x
Features
Slowest shutter speed 60 seconds 30 seconds
Maximum shutter speed 1/4000 seconds 1/6000 seconds
Continuous shooting speed 3.0 frames/s 5.0 frames/s
Shutter priority
Aperture priority
Expose Manually
Exposure compensation Yes Yes
Change white balance
Image stabilization
Built-in flash
Flash distance 10.50 m 16.00 m
Flash modes Auto, On, Off, Red-Eye, Slow Sync Auto, On, Off, Red-Eye, Slow Sync, Rear curtain, Wireless
Hot shoe
AEB
White balance bracketing
Maximum flash sync 1/160 seconds 1/180 seconds
Exposure
Multisegment
Average
Spot
Partial
AF area
Center weighted
Video features
Video resolutions - 1280 x 720 (24 fps), 640 x 416 (24 fps)
Highest video resolution None 1280x720
Video format - Motion JPEG
Mic input
Headphone input
Connectivity
Wireless None None
Bluetooth
NFC
HDMI
USB USB 2.0 (480 Mbit/sec) USB 2.0 (480 Mbit/sec)
GPS None None
Physical
Environmental seal
Water proofing
Dust proofing
Shock proofing
Crush proofing
Freeze proofing
Weight 360g (0.79 lbs) 580g (1.28 lbs)
Dimensions 124 x 84 x 45mm (4.9" x 3.3" x 1.8") 123 x 92 x 68mm (4.8" x 3.6" x 2.7")
DXO scores
DXO All around rating 53 72
DXO Color Depth rating 21.1 22.8
DXO Dynamic range rating 10.3 12.5
DXO Low light rating 463 811
Other
Battery life 330 photos 1900 photos
Battery format Battery Pack Battery Pack
Battery ID - 4 x AA
Self timer Yes (2 or 10 sec) Yes (2 or 12 sec)
Time lapse feature
Type of storage SD/MMC/SDHC card SD/SDHC card
Storage slots 1 1
Price at launch $0 $600