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Panasonic GH3 vs Panasonic ZS20

Portability
66
Imaging
52
Features
80
Overall
63
Panasonic Lumix DMC-GH3 front
 
Panasonic Lumix DMC-ZS20 front
Portability
92
Imaging
37
Features
46
Overall
40

Panasonic GH3 vs Panasonic ZS20 Key Specs

Panasonic GH3
(Full Review)
  • 16MP - Four Thirds Sensor
  • 3" Fully Articulated Display
  • ISO 200 - 12800
  • 1920 x 1080 video
  • Micro Four Thirds Mount
  • 550g - 133 x 93 x 82mm
  • Introduced September 2012
  • Superseded the Panasonic GH2
  • Later Model is Panasonic GH4
Panasonic ZS20
(Full Review)
  • 14MP - 1/2.3" Sensor
  • 3" Fixed Display
  • ISO 100 - 6400
  • Optical Image Stabilization
  • 1920 x 1080 video
  • 24-480mm (F3.3-6.4) lens
  • 206g - 105 x 59 x 28mm
  • Introduced April 2012
  • Alternative Name is Lumix DMC-TZ30
  • Previous Model is Panasonic ZS15
  • Refreshed by Panasonic ZS25
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Panasonic GH3 vs Panasonic ZS20 Overview

Lets examine more in depth at the Panasonic GH3 vs Panasonic ZS20, former is a Advanced Mirrorless while the other is a Small Sensor Superzoom and both of them are produced by Panasonic. The sensor resolution of the GH3 (16MP) and the ZS20 (14MP) is very close but the GH3 (Four Thirds) and ZS20 (1/2.3") use totally different sensor dimensions.

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The GH3 was brought out 5 months after the ZS20 so they are of a similar age. The two cameras offer different body type with the Panasonic GH3 being a SLR-style mirrorless camera and the Panasonic ZS20 being a Compact camera.

Before going straight into a in depth comparison, below is a simple summary of how the GH3 grades vs the ZS20 in regards to portability, imaging, features and an overall mark.

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Reasons to pick Panasonic GH3 over the Panasonic ZS20

 GH3 ZS20 
Focus manually Dial accurate focusing
Display typeFully ArticulatedFixed Fully Articulating display
Display resolution614k460kCrisper display (+154k dot)
Selfie screen Easy selfies

Reasons to pick Panasonic ZS20 over the Panasonic GH3

 ZS20 GH3 

Common features in the Panasonic GH3 and Panasonic ZS20

 GH3 ZS20 
IntroducedSeptember 2012April 2012Same age
Display sizing3"3"Equivalent display sizing
Touch friendly display Easily navigate

Panasonic GH3 vs Panasonic ZS20 Physical Comparison

For anybody who is intending to travel with your camera regularly, you'll need to factor in its weight and volume. The Panasonic GH3 provides exterior dimensions of 133mm x 93mm x 82mm (5.2" x 3.7" x 3.2") having a weight of 550 grams (1.21 lbs) while the Panasonic ZS20 has sizing of 105mm x 59mm x 28mm (4.1" x 2.3" x 1.1") accompanied by a weight of 206 grams (0.45 lbs).

Contrast the Panasonic GH3 vs Panasonic ZS20 in our completely new Camera & Lens Size Comparison Tool. Camera Size Comparison with Lenses

Keep in mind, the weight of an ILC will differ based on the lens you are working with during that time. Below is the front view dimensions comparison of the GH3 compared to the ZS20.

Panasonic GH3 vs Panasonic ZS20 size comparison

Taking into account size and weight, the portability grade of the GH3 and ZS20 is 66 and 92 respectively.

Panasonic GH3 vs Panasonic ZS20 top view buttons comparison

Panasonic GH3 vs Panasonic ZS20 Sensor Comparison

Usually, it is hard to see the difference in sensor dimensions purely by researching specs. The image below should offer you a much better sense of the sensor sizes in the GH3 and ZS20.

All in all, both the cameras enjoy different resolutions and different sensor dimensions. The GH3 featuring a larger sensor will make achieving shallower DOF less difficult and the Panasonic GH3 will result in greater detail having its extra 2 Megapixels. Greater resolution will also make it easier to crop pics far more aggressively.

Panasonic GH3 vs Panasonic ZS20 sensor size comparison

Panasonic GH3 vs Panasonic ZS20 Screen and ViewFinder

Panasonic GH3 vs Panasonic ZS20 Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Panasonic GH3 Portrait photography details
Panasonic ZS20 Portrait photography details
71
manual focus
megapixel count good (16 megapixels)
sensor size is nice (Four Thirds)
supports face detection focusing
saves RAW formats
30
resolution is good (14 megapixels)
focusing manually not possible
external flash not possible
very small sensor (1/2.3")
has no RAW support
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Street Comparison

Panasonic GH3 Street photography highlights
Panasonic ZS20 Street photography highlights
65
screen articulates fully
sensor size is nice (Four Thirds)
saves RAW formats
provides touch to focus
environment proofing
no image stabilization
heavier than average (550 grams)
65
has image stabilization (Optical)
comes with focus by touch
lighter than competition in class (206 grams)
screen does not articulate
very small sensor (1/2.3")
has no RAW support
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Sports Comparison

Sports photography with Panasonic GH3
Sports photography with Panasonic ZS20
63
high fps (20.0 frames per second)
megapixel count good (16 megapixels)
sensor size is nice (Four Thirds)
supports tracking autofocus
environment proofing
better than average battery (540 CIPA)
no image stabilization
no phase detect AF
47
great zoom range (24-480mm 20.0 x zoom)
has image stabilization (Optical)
resolution is good (14 megapixels)
provides tracking focus
very small sensor (1/2.3")
low battery power (260 shots)
has no phase detect autofocus
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Travel Comparison

Panasonic GH3 Travel photography highlights
Panasonic ZS20 Travel photography highlights
71
better than average battery (540 per charge)
environment proofing
provides touch to focus
megapixel count good (16MP)
has built in flash
display is selfie friendly
heavier than average (550g)
68
lighter than competition in class (206g)
comes with focus by touch
resolution is good (14 megapixels)
built-in flash
decently wide (24mm)
long reach (480mm)
no Timelapse function
low battery power (260 shots)
display is not selfie friendly
somewhat slow maximum aperture (f3.3)
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Landscape Comparison

Panasonic GH3 Landscape photography information
Panasonic ZS20 Landscape photography information
71
manual focus
interchangeable lenses (Micro Four Thirds mount)
screen is a good size (3 inch)
megapixel count good (16MP)
sensor size is nice (Four Thirds)
saves RAW formats
environment proofing
better than average battery (540 shots)
no image stabilization
42
decently wide (24mm)
nice screen size (3")
has image stabilization (Optical)
resolution is good (14MP)
focusing manually not possible
fixed lens (fixed lens mount)
somewhat slow maximum aperture (f3.3)
very small sensor (1/2.3")
has no RAW support
low battery power (260 shots)
no Timelapse function
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Vlogging Comparison

Panasonic GH3 as a Vlogging camera
Panasonic ZS20 as a Vlogging camera
65
display is selfie friendly
touchscreen enabled
supports face detection focusing
high res video (1920 x 1080 pxls)
does have external mic port
no image stabilization
heavier than average (550 grams)
34
decently wide (24mm)
touchscreen capability
has image stabilization (Optical)
video resolution high (1920 x 1080 resolution)
lighter than competition in class (206g)
somewhat slow maximum aperture (f3.3)
display is not selfie friendly
no microphone support
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Panasonic GH3 vs Panasonic ZS20 Specifications

Detailed spec comparison table for Panasonic GH3 and Panasonic ZS20
 Panasonic Lumix DMC-GH3Panasonic Lumix DMC-ZS20
General Information
Make Panasonic Panasonic
Model type Panasonic Lumix DMC-GH3 Panasonic Lumix DMC-ZS20
Alternative name - Lumix DMC-TZ30
Category Advanced Mirrorless Small Sensor Superzoom
Introduced 2012-09-17 2012-04-26
Physical type SLR-style mirrorless Compact
Sensor Information
Processor Venus Engine VII FHD -
Sensor type CMOS CMOS
Sensor size Four Thirds 1/2.3"
Sensor measurements 17.3 x 13mm 6.08 x 4.56mm
Sensor area 224.9mm² 27.7mm²
Sensor resolution 16 megapixels 14 megapixels
Anti alias filter
Aspect ratio 1:1, 4:3, 3:2 and 16:9 1:1, 4:3, 3:2 and 16:9
Highest resolution 4608 x 3456 4320 x 3240
Highest native ISO 12800 6400
Min native ISO 200 100
RAW photos
Autofocusing
Focus manually
Touch to focus
Continuous AF
Single AF
AF tracking
Selective AF
AF center weighted
AF multi area
AF live view
Face detect focusing
Contract detect focusing
Phase detect focusing
Total focus points 23 23
Lens
Lens mount type Micro Four Thirds fixed lens
Lens zoom range - 24-480mm (20.0x)
Max aperture - f/3.3-6.4
Macro focusing range - 3cm
Available lenses 107 -
Focal length multiplier 2.1 5.9
Screen
Display type Fully Articulated Fixed Type
Display size 3" 3"
Resolution of display 614 thousand dots 460 thousand dots
Selfie friendly
Liveview
Touch display
Display tech OLED Monitor with static touch control -
Viewfinder Information
Viewfinder type Electronic None
Viewfinder resolution 1,744 thousand dots -
Viewfinder coverage 100% -
Viewfinder magnification 0.67x -
Features
Lowest shutter speed 60 seconds 15 seconds
Highest shutter speed 1/4000 seconds 1/2000 seconds
Continuous shooting rate 20.0fps 10.0fps
Shutter priority
Aperture priority
Expose Manually
Exposure compensation Yes Yes
Custom WB
Image stabilization
Integrated flash
Flash distance 12.00 m 6.40 m
Flash options Auto, On, Off, Red-Eye, Slow Sync Auto, On, Off, Red-eye, Slow Syncro
External flash
AE bracketing
White balance bracketing
Highest flash synchronize 1/160 seconds -
Exposure
Multisegment metering
Average metering
Spot metering
Partial metering
AF area metering
Center weighted metering
Video features
Video resolutions 1920 x 1080 (60, 50, 30, 25 24 fps) 1280 x 720 (60, 50, 30, 25fps), 640 x 480 (30, 25fps 1920 x 1080 (60 fps), 1280 x 720 (60, 30 fps), 640 x 480 (30 fps), 320 x 240 (220 fps)
Highest video resolution 1920x1080 1920x1080
Video file format MPEG-4, AVCHD, H.264 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 BuiltIn
Physical
Environmental sealing
Water proofing
Dust proofing
Shock proofing
Crush proofing
Freeze proofing
Weight 550g (1.21 lb) 206g (0.45 lb)
Dimensions 133 x 93 x 82mm (5.2" x 3.7" x 3.2") 105 x 59 x 28mm (4.1" x 2.3" x 1.1")
DXO scores
DXO All around rating 71 not tested
DXO Color Depth rating 22.7 not tested
DXO Dynamic range rating 12.4 not tested
DXO Low light rating 812 not tested
Other
Battery life 540 pictures 260 pictures
Style of battery Battery Pack Battery Pack
Self timer Yes (2 or 10 sec, 10 sec (3 images)) Yes (2 or 10 sec)
Time lapse feature
Type of storage SD/SDHC/SDXC SD/SDHC/SDXC, Internal
Card slots One One
Retail pricing $799 $349