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Panasonic G9 vs Sony A7S III

Portability
62 Imaging
60 Features
90 Overall
72
Panasonic Lumix DC-G9 front
 
Sony Alpha A7S III front
Portability
61 Imaging
64 Features
92 Overall
75

Panasonic G9 vs Sony A7S III Key Specs

Panasonic G9
(Full Review)
  • 20MP - Four Thirds Sensor
  • 3" Fully Articulated Screen
  • ISO 200 - 25600
  • Sensor based 5-axis Image Stabilization
  • No Anti-Alias Filter
  • 1/8000s Max Shutter
  • 3840 x 2160 video
  • Micro Four Thirds Mount
  • 658g - 137 x 97 x 92mm
  • Announced November 2017
Sony A7S III
(Full Review)
  • 12MP - Full frame Sensor
  • 3" Fully Articulated Display
  • ISO 80 - 102400 (Bump to 409600)
  • Sensor based 5-axis Image Stabilization
  • 1/8000s Max Shutter
  • 3840 x 2160 video
  • Sony E Mount
  • 699g - 129 x 97 x 81mm
  • Revealed July 2020
  • Old Model is Sony A7S II
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Panasonic G9 vs Sony A7S III Overview

Following is a thorough overview of the Panasonic G9 vs Sony A7S III, both Pro Mirrorless cameras by companies Panasonic and Sony. There is a big difference among the resolutions of the G9 (20MP) and A7S III (12MP) and the G9 (Four Thirds) and A7S III (Full frame) feature totally different sensor sizing.

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The G9 was released 3 years prior to the A7S III which is a fairly big gap as far as camera tech is concerned. Both of the cameras offer the identical body type (SLR-style mirrorless).

Before getting straight into a comprehensive comparison, below is a concise overview of how the G9 scores vs the A7S III in terms of portability, imaging, features and an overall score.

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Reasons to pick Panasonic G9 over the Sony A7S III

		

		

			
 G9 A7S III 
		

	

	
	

		

		
Reasons to pick Sony A7S III over the Panasonic G9

		

		

			
 A7S III G9 
RevealedJuly 2020November 2017More modern by 32 months
Display resolution1440k1040kSharper display (+400k dot)
		

	

	
	

		

		
Common features in the Panasonic G9 and Sony A7S III

		

		

			
 G9 A7S III 
Manual focus  Dial precise focusing
Display typeFully ArticulatedFully articulatedFully Articulated display
Display sizing3"3"Equivalent display measurement
Selfie screen  Both good for selfies
Touch display  Easily navigate
		

	

	

	
	
	
	

	

		

		
Panasonic G9 vs Sony A7S III Physical Comparison

		

		

			
For anybody who is intending to carry around your camera often, you should consider its weight and volume. The Panasonic G9 has exterior dimensions of 137mm x 97mm x 92mm (5.4" x 3.8" x 3.6") and a weight of 658 grams (1.45 lbs) whilst the Sony A7S III has sizing of 129mm x 97mm x 81mm (5.1" x 3.8" x 3.2") accompanied by a weight of 699 grams (1.54 lbs).
Contrast the Panasonic G9 vs Sony A7S III in the new Camera with Lens Size Comparison Tool. Camera Size Comparison with Lenses
Keep in mind, the weight of an Interchangeable Lens Camera will vary dependant on the lens you are utilizing at that time. Underneath is the front view dimensions comparison of the G9 compared to the A7S III.
Panasonic G9 vs Sony A7S III size comparison
Considering size and weight, the portability grade of the G9 and A7S III is 62 and 61 respectively.
Panasonic G9 vs Sony A7S III top view buttons comparison		

	

	
	

		

		
Panasonic G9 vs Sony A7S III Sensor Comparison

		

		

			
Usually, it is very hard to see the gap in sensor sizes only by researching specifications. The picture here might offer you a much better sense of the sensor sizes in the G9 and A7S III.
To sum up, both of the cameras offer different megapixels and different sensor sizes. The G9 because of its smaller sensor will make getting shallow DOF more challenging and the Panasonic G9 will result in extra detail as a result of its extra 8MP. Greater resolution can also help you crop photos a little more aggressively. The more aged G9 will be disadvantaged in sensor innovation.
	
			Panasonic G9 vs Sony A7S III sensor size comparison			
		

	

	
	

		

		
Panasonic G9 vs Sony A7S III Screen and ViewFinder

		

		

					

		Panasonic G9 vs Sony A7S III Screen and Viewfinder comparison	

	
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Photography Type Scores

		

	

	
Portrait Comparison
 Panasonic G9 as a Portrait photography camera
 Sony A7S III as a Portrait photography camera
76
 you can focus manually
 good  resolution (20 megapixels)
 nice sensor size (Four Thirds)
 provides face detect autofocus
 supports RAW formats
70
 has manual focus
 sensor size is big (Full frame)
 features face detection focus
 saves RAW formats
 low megapixels (12 megapixels)
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Street Comparison
Panasonic G9 Street photography information
Sony A7S III Street photography information
75
 fully articulated screen
 has image stabilization (Sensor based 5-axis)
 nice sensor size (Four Thirds)
 supports RAW formats
 supports focus by touch
 weather proofing
 very good ISO range (25,600)
76
 built in image stabilization (Sensor based 5-axis)
 sensor size is big (Full frame)
 saves RAW formats
 offers touch focus
 environment sealing
 very good high ISO (102,400)
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Sports Comparison
Sports photography with Panasonic G9
Sports photography with Sony A7S III
70
 maximum shutter speed is high (1/8,000s)
 quiet mode (1/32,000s)
 max frames per second high (20.0 fps)
 has image stabilization (Sensor based 5-axis)
 good  resolution (20 megapixels)
 nice sensor size (Four Thirds)
 provides tracking focus
 weather proofing
 terrible battery pack (400 shots)
 has no phase detect autofocus
75
 great max shutter speed (1/8,000 seconds)
 built in image stabilization (Sensor based 5-axis)
 sensor size is big (Full frame)
 features tracking autofocus
 environment sealing
 better than average battery (600 CIPA)
 sensor has phase detect auto focus
 low megapixels (12 megapixels)
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Travel Comparison
Travel photography with Panasonic G9
Travel photography with Sony A7S III
70
 weather proofing
 supports bluetooth
 supports focus by touch
 good  resolution (20MP)
 screen is selfie friendly
 terrible battery pack (400 CIPA)
70
 better than average battery (600 shots)
 environment sealing
 has bluetooth
 offers touch focus
 selfie friendly screen
 low megapixels (12 megapixels)
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Landscape Comparison
Landscape photography with Panasonic G9
Landscape photography with Sony A7S III
76
 you can focus manually
 switch lenses (Micro Four Thirds mount)
 good sized screen (3 inches)
 has image stabilization (Sensor based 5-axis)
 good  resolution (20 megapixels)
 nice sensor size (Four Thirds)
 does not have anti aliasing filter
 very good ISO range (25,600)
 supports RAW formats
 weather proofing
 has double storage slots
 terrible battery pack (400 shots)
77
 has manual focus
 change lenses (Sony E mount)
 screen size is good (3 inches)
 built in image stabilization (Sensor based 5-axis)
 sensor size is big (Full frame)
 very good high ISO (102,400)
 saves RAW formats
 environment sealing
 better than average battery (600 shots)
 has double storage slots
 low megapixels (12 megapixels)
Photography Glossary
Vlogging Comparison
Panasonic G9 Vlogging advice
Sony A7S III Vlogging advice
76
 screen is selfie friendly
 built-in touchscreen
 has image stabilization (Sensor based 5-axis)
 provides face detect autofocus
 high res video (3840 x 2160 pxls)
 comes with microphone port
77
 selfie friendly screen
 touchscreen
 built in image stabilization (Sensor based 5-axis)
 features face detection focus
 high quality video (3840 x 2160 resolution)
 includes external mic port
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Panasonic G9 vs Sony A7S III Specifications

		

		

					

		
		

			Detailed spec comparison table for Panasonic G9 and Sony A7S III
 Panasonic Lumix DC-G9Sony Alpha A7S III
General Information
Company Panasonic Sony
Model type Panasonic Lumix DC-G9 Sony Alpha A7S III
Type Pro Mirrorless Pro Mirrorless
Announced 2017-11-08 2020-07-21
Body design SLR-style mirrorless SLR-style mirrorless
Sensor Information
Powered by - Bionz XR
Sensor type CMOS BSI-CMOS
Sensor size Four Thirds Full frame
Sensor dimensions 17.3 x 13mm 35.6 x 23.8mm
Sensor surface area 224.9mm² 847.3mm²
Sensor resolution 20 megapixel 12 megapixel
Anti alias filter    
Aspect ratio 1:1, 4:3, 3:2 and  16:9 3:2 and  16:9
Highest resolution 5184 x 3888 4240 x 2832
Highest native ISO 25600 102400
Highest boosted ISO - 409600
Minimum native ISO 200 80
RAW pictures    
Minimum boosted ISO 100 50
Autofocusing
Manual focusing    
Autofocus touch    
Continuous autofocus    
Autofocus single    
Tracking autofocus    
Selective autofocus    
Autofocus center weighted    
Autofocus multi area    
Autofocus live view    
Face detection focus    
Contract detection focus    
Phase detection focus    
Total focus points 225 759
Lens
Lens mount type Micro Four Thirds Sony E
Number of lenses 107 121
Focal length multiplier 2.1 1
Screen
Range of screen Fully Articulated Fully articulated
Screen sizing 3" 3"
Screen resolution 1,040 thousand dot 1,440 thousand dot
Selfie friendly    
Liveview    
Touch friendly    
Viewfinder Information
Viewfinder Electronic Electronic
Viewfinder resolution 3,680 thousand dot 9,440 thousand dot
Viewfinder coverage 100% 100%
Viewfinder magnification 0.83x 0.91x
Features
Slowest shutter speed 60 seconds 30 seconds
Maximum shutter speed 1/8000 seconds 1/8000 seconds
Maximum silent shutter speed 1/32000 seconds -
Continuous shooting speed 20.0 frames/s 10.0 frames/s
Shutter priority    
Aperture priority    
Manually set exposure    
Exposure compensation Yes Yes
Custom white balance    
Image stabilization    
Inbuilt flash    
Flash distance no built-in flash no built-in flash
Flash options Auto, Auto/Red-eye Reduction, Forced On, Forced On/Red-eye Reduction, Slow Sync., Slow Sync./Red-eye Reduction, Forced Off no built-in flash
Hot shoe    
Auto exposure bracketing    
WB bracketing    
Exposure
Multisegment metering    
Average metering    
Spot metering    
Partial metering    
AF area metering    
Center weighted metering    
Video features
Supported video resolutions 3840 x 2160 @ 60p / 150 Mbps, MP4, H.264, Linear PCM 3840 x 2160 @ 120p / 280 Mbps, XAVC S, MP4, H.265, Linear PCM 3840 x 2160 @ 100p / 280 Mbps, XAVC S, MP4, H.265, Linear PCM 3840 x 2160 @ 60p / 200 Mbps, XAVC S, MP4, H.265, Linear PCM 3840 x 2160 @ 50p / 200 Mbps, XAVC S, MP4, H.265, Linear PCM 3840 x 2160 @ 30p / 140 Mbps, XAVC S, MP4, H.265, Linear PCM 3840 x 2160 @ 25p / 140 Mbps, XAVC S, MP4, H.265, Linear PCM 3840 x 2160 @ 24p / 100 Mbps, XAVC S, MP4, H.265, Linear PCM 1920 x 1080 @ 120p / 100 Mbps, XAVC S, MP4, H.264, Linear PCM 1920 x 1080 @ 100p / 100 Mbps, XAVC S, MP4, H.264, Linear PCM 1920 x 1080 @ 60p / 50 Mbps, XAVC S, MP4, H.264, Linear PCM 1920 x 1080 @ 50p / 50 Mbps, XAVC S, MP4, H.264, Linear PCM 1920 x 1080 @ 25p / 50 Mbps, XAVC S, MP4, H.264, Linear PCM 1920 x 1080 @ 24p / 50 Mbps, XAVC S, MP4, H.264, Linear PCM
Highest video resolution 3840x2160 3840x2160
Video format MPEG-4, AVCHD, H.264 MPEG-4, XAVC S, XAVC HS, XAVC S-1, H.264, H.265
Mic jack    
Headphone jack    
Connectivity
Wireless Built-In Built-In
Bluetooth    
NFC    
HDMI    
USB USB 3.0 (5 GBit/sec) USB 3.2 Gen 1 (5 GBit/sec)
GPS None None
Physical
Environmental seal    
Water proofing    
Dust proofing    
Shock proofing    
Crush proofing    
Freeze proofing    
Weight 658 grams (1.45 pounds) 699 grams (1.54 pounds)
Dimensions 137 x 97 x 92mm (5.4" x 3.8" x 3.6") 129 x 97 x 81mm (5.1" x 3.8" x 3.2")
DXO scores
DXO All around rating not tested 85
DXO Color Depth rating not tested 23.6
DXO Dynamic range rating not tested 13.3
DXO Low light rating not tested 2993
Other
Battery life 400 shots 600 shots
Battery form Battery Pack Battery Pack
Battery ID DMW-BLF19 NP-FZ100
Self timer Yes Yes (2 or 10 sec; continuous (3 or 5 exposures))
Time lapse shooting   With downloadable app
Storage media Dual SD/SDHC/SDXC slots (UHS-II supported) Dual SD/CFexpress Type A slots
Storage slots Two Two
Launch cost $1,500 $3,499