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Panasonic G100 vs Sony A7S III

Portability
81 Imaging
62 Features
76 Overall
67
Panasonic Lumix DC-G100 front
 
Sony Alpha A7S III front
Portability
61 Imaging
64 Features
92 Overall
75

Panasonic G100 vs Sony A7S III Key Specs

Panasonic G100
(Full Review)
  • 20MP - Four Thirds Sensor
  • 3" Fully Articulated Screen
  • ISO 200 - 25600
  • 3840 x 1920 video
  • Micro Four Thirds Mount
  • 352g - 116 x 83 x 54mm
  • Launched June 2020
Sony A7S III
(Full Review)
  • 12MP - Full frame Sensor
  • 3" Fully Articulated Display
  • ISO 80 - 102400 (Boost 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
  • Announced July 2020
  • Succeeded the Sony A7S II
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Panasonic G100 vs Sony A7S III Overview

Below, we are looking at the Panasonic G100 and Sony A7S III, one being a Entry-Level Mirrorless and the other is a Pro Mirrorless by rivals Panasonic and Sony. There is a significant difference among the resolutions of the G100 (20MP) and A7S III (12MP) and the G100 (Four Thirds) and A7S III (Full frame) enjoy different sensor dimensions.

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The G100 was released very close to the A7S III so they are both of a similar generation. Each of the cameras come with the identical body type (SLR-style mirrorless).

Before getting in to a step-by-step comparison, below is a concise summary of how the G100 grades versus the A7S III in regards to portability, imaging, features and an overall grade.

Photography Glossary 
	
	

		

		
Reasons to pick Panasonic G100 over the Sony A7S III

		

		

			
 G100 A7S III 
Display resolution1840k1440kSharper display (+400k dot)
		

	

	
	

		

		
Reasons to pick Sony A7S III over the Panasonic G100

		

		

			
 A7S III G100 
		

	

	
	

		

		
Common features in the Panasonic G100 and Sony A7S III

		

		

			
 G100 A7S III 
AnnouncedJune 2020July 2020Same generation
Manually focus  More precise focusing
Display typeFully ArticulatedFully articulatedFully Articulated display
Display dimension3"3"Identical display sizing
Selfie screen  Both are selfie friendly
Touch friendly display  Easily navigate
		

	

	

	
	
	
	

	

		

		
Panasonic G100 vs Sony A7S III Physical Comparison

		

		

			
For those who are aiming to lug around your camera frequently, you need to factor in its weight and size. The Panasonic G100 features exterior measurements of 116mm x 83mm x 54mm (4.6" x 3.3" x 2.1") and a weight of 352 grams (0.78 lbs) while the Sony A7S III has specifications of 129mm x 97mm x 81mm (5.1" x 3.8" x 3.2") accompanied by a weight of 699 grams (1.54 lbs).
Compare the Panasonic G100 and Sony A7S III in the new Camera and Lens Size Comparison Tool. Camera Size Comparison with Lenses
Keep in mind, the weight of an Interchangeable Lens Camera will vary depending on the lens you choose at that time. Underneath is the front view over all size comparison of the G100 and the A7S III.
Panasonic G100 vs Sony A7S III size comparison
Considering size and weight, the portability score of the G100 and A7S III is 81 and 61 respectively.
Panasonic G100 vs Sony A7S III top view buttons comparison		

	

	
	

		

		
Panasonic G100 vs Sony A7S III Sensor Comparison

		

		

			
Oftentimes, it is hard to imagine the gap in sensor measurements merely by checking out a spec sheet. The photograph below will help offer you a far better sense of the sensor measurements in the G100 and A7S III.
Clearly, both the cameras posses different resolutions and different sensor measurements. The G100 featuring a smaller sensor is going to make shooting shallow DOF harder and the Panasonic G100 will provide more detail as a result of its extra 8MP. Greater resolution will make it easier to crop images somewhat more aggressively.
	
			Panasonic G100 vs Sony A7S III sensor size comparison			
		

	

	
	

		

		
Panasonic G100 vs Sony A7S III Screen and ViewFinder

		

		

					

		Panasonic G100 vs Sony A7S III Screen and Viewfinder comparison	

	
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Photography Type Scores

		

	

	
Portrait Comparison
Portrait photography with Panasonic G100
Portrait photography with Sony A7S III
77
 manual focus
 resolution is good (20 megapixels)
 sensor size is nice (Four Thirds)
 features face detection autofocus
 delivers RAW files
70
 has manual focus
 large sensor size (Full frame)
 comes with face detect autofocus
 saves RAW files
 MP count low (12 megapixels)
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Street Comparison
Street photography with Panasonic G100
Street photography with Sony A7S III
78
 fully articulated screen
 sensor size is nice (Four Thirds)
 delivers RAW files
 comes with focus by touch
 good high ISO (25,600)
 lack of image stabilization
76
 image stabilization (Sensor based 5-axis)
 large sensor size (Full frame)
 saves RAW files
 features touch focus
 environment sealing
 good ISO range (102,400)
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Sports Comparison
Panasonic G100 Sports photography factors
Sony A7S III Sports photography factors
56
 quiet shooting (1/16,000 seconds)
 resolution is good (20MP)
 sensor size is nice (Four Thirds)
 features tracking autofocus
 maximum shutter speed is a little low (1/500 seconds)
 lack of image stabilization
 low battery life (270 CIPA)
 has no phase detect autofocus
75
 high shutter speed (1/8,000s)
 image stabilization (Sensor based 5-axis)
 large sensor size (Full frame)
 comes with tracking focus
 environment sealing
 great battery (600 CIPA)
 supports phase detect autofocus
 MP count low (12 megapixels)
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Travel Comparison
Panasonic G100 Travel photography features
Sony A7S III Travel photography features
78
 connects via bluetooth
 comes with focus by touch
 resolution is good (20MP)
 flash built-in
 selfie friendly display
 low battery life (270 per charge)
70
 great battery (600 CIPA)
 environment sealing
 supports bluetooth
 features touch focus
 screen is selfie friendly
 MP count low (12MP)
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Landscape Comparison
Panasonic G100 Landscape photography highlights
Sony A7S III Landscape photography highlights
71
 manual focus
 switch lenses (Micro Four Thirds mount)
 screen size is good (3")
 resolution is good (20MP)
 sensor size is nice (Four Thirds)
 good high ISO (25,600)
 delivers RAW files
 lack of image stabilization
 low battery life (270 CIPA)
77
 has manual focus
 swap lenses (Sony E mount)
 decent sized screen (3")
 image stabilization (Sensor based 5-axis)
 large sensor size (Full frame)
 good ISO range (102,400)
 saves RAW files
 environment sealing
 great battery (600 shots)
 has dual storage slots
 MP count low (12 megapixels)
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Vlogging Comparison
Panasonic G100 Vlogging details
Sony A7S III Vlogging details
78
 selfie friendly display
 touch screen
 features face detection autofocus
 video res high (3840 x 1920 resolution)
 does have external microphone jack
 lack of image stabilization
77
 screen is selfie friendly
 touchscreen enabled
 image stabilization (Sensor based 5-axis)
 comes with face detect autofocus
 video res high (3840 x 2160 resolution)
 comes with microphone jack
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Panasonic G100 vs Sony A7S III Specifications

		

		

					

		
		

			Detailed spec comparison table for Panasonic G100 and Sony A7S III
 Panasonic Lumix DC-G100Sony Alpha A7S III
General Information
Company Panasonic Sony
Model Panasonic Lumix DC-G100 Sony Alpha A7S III
Category Entry-Level Mirrorless Pro Mirrorless
Launched 2020-06-24 2020-07-21
Body design SLR-style mirrorless SLR-style mirrorless
Sensor Information
Processor - Bionz XR
Sensor type CMOS BSI-CMOS
Sensor size Four Thirds Full frame
Sensor measurements 17.3 x 13mm 35.6 x 23.8mm
Sensor area 224.9mm² 847.3mm²
Sensor resolution 20MP 12MP
Anti aliasing filter    
Aspect ratio 1:1, 4:3, 3:2 and  16:9 3:2 and  16:9
Maximum resolution 5184 x 3888 4240 x 2832
Maximum native ISO 25600 102400
Maximum boosted ISO - 409600
Min native ISO 200 80
RAW support    
Min boosted ISO 100 50
Autofocusing
Manual focus    
AF touch    
AF continuous    
Single AF    
AF tracking    
Selective AF    
Center weighted AF    
Multi area AF    
AF live view    
Face detection focusing    
Contract detection focusing    
Phase detection focusing    
Number of focus points 49 759
Lens
Lens mount Micro Four Thirds Sony E
Available lenses 107 121
Focal length multiplier 2.1 1
Screen
Screen type Fully Articulated Fully articulated
Screen size 3 inch 3 inch
Screen resolution 1,840 thousand dot 1,440 thousand dot
Selfie friendly    
Liveview    
Touch function    
Viewfinder Information
Viewfinder Electronic Electronic
Viewfinder resolution 3,680 thousand dot 9,440 thousand dot
Viewfinder coverage 100% 100%
Viewfinder magnification 0.73x 0.91x
Features
Slowest shutter speed 60 secs 30 secs
Maximum shutter speed 1/500 secs 1/8000 secs
Maximum silent shutter speed 1/16000 secs -
Continuous shooting speed 10.0 frames per sec 10.0 frames per sec
Shutter priority    
Aperture priority    
Manually set exposure    
Exposure compensation Yes Yes
Change WB    
Image stabilization    
Inbuilt flash    
Flash range 3.60 m (at ISO 100) no built-in flash
Flash options Auto, auto w/redeye reduction, on, on w/redeye redduction, slow sync, slow sync w/redeye reduction, off no built-in flash
Hot shoe    
AEB    
WB bracketing    
Exposure
Multisegment exposure    
Average exposure    
Spot exposure    
Partial exposure    
AF area exposure    
Center weighted exposure    
Video features
Video resolutions 3840 x 1920 @ 30p / 100 Mbps, MOV, H.264, AAC3840 x 1920 @ 25p / 100 Mbps, MOV, H.264, AAC3840 x 1920 @ 24p / 100 Mbps, MOV, H.264, AAC1920 x 1080 @ 120p / 28 Mbps, MOV, H.264, AAC1920 x 1080 @ 60p / 28 Mbps, MOV, H.264, AAC1920 x 1080 @ 50p / 28 Mbps, MOV, H.264, AAC1920 x 1080 @ 30p / 28 Mbps, MOV, H.264, AAC1920 x 1080 @ 25p / 28 Mbps, MOV, H.264, AAC1920 x 1080 @ 24p / 28 Mbps, MOV, H.264, AAC 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
Maximum video resolution 3840x1920 3840x2160
Video format MPEG-4, H.264 MPEG-4, XAVC S, XAVC HS, XAVC S-1, H.264, H.265
Microphone input    
Headphone input    
Connectivity
Wireless Built-In Built-In
Bluetooth    
NFC    
HDMI    
USB USB 2.0 (480 Mbit/sec) USB 3.2 Gen 1 (5 GBit/sec)
GPS None None
Physical
Environmental seal    
Water proof    
Dust proof    
Shock proof    
Crush proof    
Freeze proof    
Weight 352g (0.78 pounds) 699g (1.54 pounds)
Dimensions 116 x 83 x 54mm (4.6" x 3.3" x 2.1") 129 x 97 x 81mm (5.1" x 3.8" x 3.2")
DXO scores
DXO All around score not tested 85
DXO Color Depth score not tested 23.6
DXO Dynamic range score not tested 13.3
DXO Low light score not tested 2993
Other
Battery life 270 photos 600 photos
Battery format Battery Pack Battery Pack
Battery model - NP-FZ100
Self timer Yes Yes (2 or 10 sec; continuous (3 or 5 exposures))
Time lapse recording   With downloadable app
Type of storage SD/SDHC/SDXC card (UHS-I supported) Dual SD/CFexpress Type A slots
Storage slots One 2
Pricing at launch $698 $3,499