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Panasonic GH3 vs Panasonic GX8

Portability
66
Imaging
52
Features
80
Overall
63
Panasonic Lumix DMC-GH3 front
 
Panasonic Lumix DMC-GX8 front
Portability
74
Imaging
59
Features
84
Overall
69

Panasonic GH3 vs Panasonic GX8 Key Specs

Panasonic GH3
(Full Review)
  • 16MP - Four Thirds Sensor
  • 3" Fully Articulated Screen
  • ISO 200 - 12800
  • 1920 x 1080 video
  • Micro Four Thirds Mount
  • 550g - 133 x 93 x 82mm
  • Introduced September 2012
  • Older Model is Panasonic GH2
  • New Model is Panasonic GH4
Panasonic GX8
(Full Review)
  • 20MP - Four Thirds Sensor
  • 3" Fully Articulated Screen
  • ISO 200 - 25600
  • Sensor based Image Stabilization
  • 1/8000s Max Shutter
  • 3840 x 2160 video
  • Micro Four Thirds Mount
  • 487g - 133 x 78 x 63mm
  • Revealed July 2015
  • Replaced the Panasonic GX7
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Panasonic GH3 vs Panasonic GX8 Overview

Lets look more closely at the Panasonic GH3 versus Panasonic GX8, both Advanced Mirrorless digital cameras and both are sold by Panasonic. The sensor resolution of the GH3 (16MP) and the GX8 (20MP) is pretty similar and both cameras offer the identical sensor sizing (Four Thirds).

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The GH3 was introduced 3 years before the GX8 which is quite a significant gap as far as tech is concerned. Each of these cameras feature different body design with the Panasonic GH3 being a SLR-style mirrorless camera and the Panasonic GX8 being a Rangefinder-style mirrorless camera.

Before delving into a complete comparison, here is a short introduction of how the GH3 grades versus the GX8 in terms of portability, imaging, features and an overall mark.

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Reasons to pick Panasonic GH3 over the Panasonic GX8

 GH3 GX8 

Reasons to pick Panasonic GX8 over the Panasonic GH3

 GX8 GH3 
RevealedJuly 2015September 2012Newer by 34 months
Screen resolution1040k614kSharper screen (+426k dot)

Common features in the Panasonic GH3 and Panasonic GX8

 GH3 GX8 
Manual focus Dial accurate focus
Screen typeFully ArticulatedFully ArticulatedFully Articulated screen
Screen size3"3"Same screen measurement
Selfie screen Both good for selfies
Touch friendly screen Quickly navigate

Panasonic GH3 vs Panasonic GX8 Physical Comparison

If you are planning to travel with your camera frequently, you should consider its weight and dimensions. The Panasonic GH3 has outside measurements of 133mm x 93mm x 82mm (5.2" x 3.7" x 3.2") accompanied by a weight of 550 grams (1.21 lbs) while the Panasonic GX8 has dimensions of 133mm x 78mm x 63mm (5.2" x 3.1" x 2.5") along with a weight of 487 grams (1.07 lbs).

Check out the Panasonic GH3 versus Panasonic GX8 in the latest Camera and Lens Size Comparison Tool. Camera Size Comparison with Lenses

Remember, the weight of an Interchangeable Lens Camera will differ depending on the lens you have chosen at that time. Below is a front view overall size comparison of the GH3 against the GX8.

Panasonic GH3 vs Panasonic GX8 size comparison

Looking at size and weight, the portability score of the GH3 and GX8 is 66 and 74 respectively.

Panasonic GH3 vs Panasonic GX8 top view buttons comparison

Panasonic GH3 vs Panasonic GX8 Sensor Comparison

Usually, its hard to imagine the contrast between sensor dimensions simply by reviewing a spec sheet. The picture here should give you a better sense of the sensor measurements in the GH3 and GX8.

As you can see, both of these cameras come with the identical sensor size albeit different MP. You should expect the Panasonic GX8 to offer more detail using its extra 4MP. Higher resolution can also enable you to crop pictures a good deal more aggressively. The more aged GH3 is going to be behind when it comes to sensor innovation.

Panasonic GH3 vs Panasonic GX8 sensor size comparison

Panasonic GH3 vs Panasonic GX8 Screen and ViewFinder

Panasonic GH3 vs Panasonic GX8 Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Panasonic GH3 Portrait photography features
Panasonic GX8 Portrait photography features
71
has manual focus
good MP (16MP)
sensor size is decent (Four Thirds)
offers face detection focusing
delivers RAW files
75
has manual focus
MP count decent (20 megapixels)
decent sensor size (Four Thirds)
has face detect autofocus
delivers RAW formats
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Street Comparison

Panasonic GH3 Street photography advice
Panasonic GX8 Street photography advice
65
screen articulates
sensor size is decent (Four Thirds)
delivers RAW files
comes with touch focus
environment sealing
lack of image stabilization
more heavy than average (550 grams)
80
fully articulated screen
built in image stabilization (Sensor based)
decent sensor size (Four Thirds)
delivers RAW formats
supports touch to focus
environment sealing
above average ISO range (25,600)
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Sports Comparison

Panasonic GH3 Sports photography highlights
Panasonic GX8 Sports photography highlights
63
fast continuous shooting (20.0 frames per second)
good MP (16 megapixels)
sensor size is decent (Four Thirds)
offers tracking autofocus
environment sealing
good battery life (540 shots)
lack of image stabilization
lack of phase detect AF
68
high shutter speed (1/8,000 seconds)
silent mode (1/16,000 seconds)
built in image stabilization (Sensor based)
MP count decent (20 megapixels)
decent sensor size (Four Thirds)
has tracking focus
environment sealing
low battery life (330 per charge)
has no phase detect autofocus
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Travel Comparison

Panasonic GH3 Travel photography highlights
Panasonic GX8 Travel photography highlights
71
good battery life (540 CIPA)
environment sealing
comes with touch focus
good MP (16MP)
built-in flash
selfie friendly display
more heavy than average (550 grams)
73
environment sealing
supports touch to focus
MP count decent (20 megapixels)
display is selfie friendly
low battery life (330 per charge)
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Landscape Comparison

Panasonic GH3 Landscape photography information
Panasonic GX8 Landscape photography information
71
has manual focus
interchangeable lenses (Micro Four Thirds mount)
screen is a good size (3")
good MP (16MP)
sensor size is decent (Four Thirds)
delivers RAW files
environment sealing
good battery life (540 CIPA)
lack of image stabilization
76
has manual focus
swap lenses (Micro Four Thirds mount)
screen size is decent (3 inch)
built in image stabilization (Sensor based)
MP count decent (20MP)
decent sensor size (Four Thirds)
above average ISO range (25,600)
delivers RAW formats
environment sealing
low battery life (330 per charge)
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Vlogging Comparison

Vlogging with Panasonic GH3
Vlogging with Panasonic GX8
65
selfie friendly display
screen is touchscreen
offers face detection focusing
great video quality (1920 x 1080 pixels)
does have external microphone support
lack of image stabilization
more heavy than average (550g)
81
display is selfie friendly
touchscreen functionality
built in image stabilization (Sensor based)
has face detect autofocus
high res video (3840 x 2160 pxls)
comes with microphone socket
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Panasonic GH3 vs Panasonic GX8 Specifications

Detailed spec comparison table for Panasonic GH3 and Panasonic GX8
 Panasonic Lumix DMC-GH3Panasonic Lumix DMC-GX8
General Information
Manufacturer Panasonic Panasonic
Model type Panasonic Lumix DMC-GH3 Panasonic Lumix DMC-GX8
Class Advanced Mirrorless Advanced Mirrorless
Introduced 2012-09-17 2015-07-16
Physical type SLR-style mirrorless Rangefinder-style mirrorless
Sensor Information
Processor Chip Venus Engine VII FHD Venus Engine
Sensor type CMOS CMOS
Sensor size Four Thirds Four Thirds
Sensor measurements 17.3 x 13mm 17.3 x 13mm
Sensor area 224.9mm² 224.9mm²
Sensor resolution 16 megapixel 20 megapixel
Anti alias filter
Aspect ratio 1:1, 4:3, 3:2 and 16:9 1:1, 4:3, 3:2 and 16:9
Highest Possible resolution 4608 x 3456 5184 x 3888
Maximum native ISO 12800 25600
Lowest native ISO 200 200
RAW images
Lowest enhanced ISO - 100
Autofocusing
Focus manually
AF touch
AF continuous
Single AF
AF tracking
Selective AF
Center weighted AF
Multi area AF
AF live view
Face detection AF
Contract detection AF
Phase detection AF
Total focus points 23 49
Lens
Lens support Micro Four Thirds Micro Four Thirds
Total lenses 107 107
Focal length multiplier 2.1 2.1
Screen
Screen type Fully Articulated Fully Articulated
Screen sizing 3 inches 3 inches
Screen resolution 614k dots 1,040k dots
Selfie friendly
Liveview
Touch friendly
Screen tech OLED Monitor with static touch control -
Viewfinder Information
Viewfinder Electronic Electronic
Viewfinder resolution 1,744k dots 2,360k dots
Viewfinder coverage 100 percent 100 percent
Viewfinder magnification 0.67x 0.77x
Features
Minimum shutter speed 60 seconds 60 seconds
Fastest shutter speed 1/4000 seconds 1/8000 seconds
Fastest silent shutter speed - 1/16000 seconds
Continuous shutter rate 20.0 frames/s 12.0 frames/s
Shutter priority
Aperture priority
Manually set exposure
Exposure compensation Yes Yes
Change WB
Image stabilization
Inbuilt flash
Flash distance 12.00 m no built-in flash
Flash options Auto, On, Off, Red-Eye, Slow Sync Auto, auto w/redeye reduction, forced on, forced on w/redeye reduction, slow sync, slow sync w/redeye reduction, forced off
External flash
AE bracketing
WB bracketing
Fastest flash synchronize 1/160 seconds -
Exposure
Multisegment exposure
Average exposure
Spot exposure
Partial exposure
AF area exposure
Center weighted exposure
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 3840 x 2160 (30p, 24p), 1920 x 1080 (60p, 30p), 1280 x 720 (60p, 30p), 1280 x 720 (30p), 640 x 480 (30p)
Maximum video resolution 1920x1080 3840x2160
Video file format MPEG-4, AVCHD, H.264 MPEG-4, AVCHD
Microphone port
Headphone port
Connectivity
Wireless Built-In Built-In
Bluetooth
NFC
HDMI
USB USB 2.0 (480 Mbit/sec) USB 2.0 (480 Mbit/sec)
GPS None None
Physical
Environmental sealing
Water proofing
Dust proofing
Shock proofing
Crush proofing
Freeze proofing
Weight 550 gr (1.21 pounds) 487 gr (1.07 pounds)
Physical dimensions 133 x 93 x 82mm (5.2" x 3.7" x 3.2") 133 x 78 x 63mm (5.2" x 3.1" x 2.5")
DXO scores
DXO Overall rating 71 75
DXO Color Depth rating 22.7 23.5
DXO Dynamic range rating 12.4 12.6
DXO Low light rating 812 806
Other
Battery life 540 shots 330 shots
Style of battery Battery Pack Battery Pack
Self timer Yes (2 or 10 sec, 10 sec (3 images)) Yes
Time lapse shooting
Type of storage SD/SDHC/SDXC SD/SDHC/SDXC card
Card slots Single Single
Launch price $799 $898