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Canon SX20 IS vs Sony A7S III

Portability
65 Imaging
35 Features
40 Overall
37
Canon PowerShot SX20 IS front
 
Sony Alpha A7S III front
Portability
61 Imaging
64 Features
92 Overall
75

Canon SX20 IS vs Sony A7S III Key Specs

Canon SX20 IS
(Full Review)
  • 12MP - 1/2.3" Sensor
  • 2.5" Fully Articulated Screen
  • ISO 80 - 1600
  • Optical Image Stabilization
  • 1280 x 720 video
  • 28-560mm (F2.8-5.7) lens
  • 600g - 128 x 88 x 87mm
  • Released July 2010
  • Old Model is Canon SX10 IS
  • Successor is Canon SX30 IS
Sony A7S III
(Full Review)
  • 12MP - Full frame Sensor
  • 3" Fully Articulated Screen
  • ISO 80 - 102400 (Boost to 409600)
  • Sensor based 5-axis Image Stabilization
  • 1/8000s Maximum Shutter
  • 3840 x 2160 video
  • Sony E Mount
  • 699g - 129 x 97 x 81mm
  • Introduced July 2020
  • Earlier Model is Sony A7S II
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Canon SX20 IS vs Sony A7S III Overview

Below is a in-depth assessment of the Canon SX20 IS and Sony A7S III, former being a Small Sensor Superzoom while the latter is a Pro Mirrorless by rivals Canon and Sony. The image resolution of the SX20 IS (12MP) and the A7S III (12MP) is relatively similar but the SX20 IS (1/2.3") and A7S III (Full frame) come with totally different sensor sizes.

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The SX20 IS was brought out 11 years earlier than the A7S III and that is quite a big difference as far as technology is concerned. Both of the cameras offer different body type with the Canon SX20 IS being a SLR-like (bridge) camera and the Sony A7S III being a SLR-style mirrorless camera.

Before diving through a step-by-step comparison, below is a concise synopsis of how the SX20 IS grades vs the A7S III with regards to portability, imaging, features and an overall grade.

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Reasons to pick Canon SX20 IS over the Sony A7S III

		

		

			
 SX20 IS A7S III 
		

	

	
	

		

		
Reasons to pick Sony A7S III over the Canon SX20 IS

		

		

			
 A7S III SX20 IS 
IntroducedJuly 2020July 2010More recent by 122 months
Screen sizing3"2.5"Bigger screen (+0.5")
Screen resolution1440k230kSharper screen (+1210k dot)
Touch screen  Quickly navigate
		

	

	
	

		

		
Common features in the Canon SX20 IS and Sony A7S III

		

		

			
 SX20 IS A7S III 
Manually focus  More precise focusing
Screen typeFully ArticulatedFully articulatedFully Articulated screen
Selfie screen  Both good for selfies
		

	

	

	
	
	
	

	

		

		
Canon SX20 IS vs Sony A7S III Physical Comparison

		

		

			
When you are intending to lug around your camera, you will want to take into account its weight and volume. The Canon SX20 IS features physical measurements of 128mm x 88mm x 87mm (5.0" x 3.5" x 3.4") along with a weight of 600 grams (1.32 lbs) and the Sony A7S III has sizing of 129mm x 97mm x 81mm (5.1" x 3.8" x 3.2") along with a weight of 699 grams (1.54 lbs).
Analyze the Canon SX20 IS and Sony A7S III in our brand new Camera plus Lens Size Comparison Tool. Camera Size Comparison with Lenses
Keep in mind, the weight of an ILC will change dependant on the lens you have attached during that time. Here is the front view size comparison of the SX20 IS versus the A7S III.
Canon SX20 IS vs Sony A7S III size comparison
Taking into account dimensions and weight, the portability rating of the SX20 IS and A7S III is 65 and 61 respectively.
Canon SX20 IS vs Sony A7S III top view buttons comparison		

	

	
	

		

		
Canon SX20 IS vs Sony A7S III Sensor Comparison

		

		

			
More often than not, its difficult to see the gap between sensor measurements just by going over specifications. The photograph below will offer you a greater sense of the sensor sizing in the SX20 IS and A7S III.
Plainly, both cameras offer the same exact megapixels albeit not the same sensor measurements. The SX20 IS offers the tinier sensor which should make achieving shallower DOF more challenging. The older SX20 IS is going to be behind with regard to sensor innovation.
	
			Canon SX20 IS vs Sony A7S III sensor size comparison			
		

	

	
	

		

		
Canon SX20 IS vs Sony A7S III Screen and ViewFinder

		

		

					

		Canon SX20 IS vs Sony A7S III Screen and Viewfinder comparison	

	
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Photography Type Scores

		

	

	
Portrait Comparison
Canon SX20 IS Portrait photography information
Sony A7S III Portrait photography information
37
 has manual focus
 great flash sync speed (1/500s)
 low megapixels (12MP)
 sensor size is very small (1/2.3")
 no RAW format
70
 you can focus manually
 sensor size is big (Full frame)
 features face detect focusing
 supports RAW files
 sensor resolution not great (12MP)
Photography Glossary
Street Comparison
Canon SX20 IS Street photography details
Sony A7S III Street photography details
49
 screen articulates fully
 image stabilization (Optical)
 sensor size is very small (1/2.3")
 no RAW format
 heavier than competitors (600g)
76
 has image stabilization (Sensor based 5-axis)
 sensor size is big (Full frame)
 supports RAW files
 provides focus via touch
 weather sealing
 very good ISO range (102,400)
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Sports Comparison
Canon SX20 IS Sports photography highlights
Sony A7S III Sports photography highlights
34
 great zoom range (28-560mm  20.0 x zoom)
 image stabilization (Optical)
 continuous shooting slow (1.0 frames/s)
 low megapixels (12MP)
 sensor size is very small (1/2.3")
 no phase detect autofocus
75
 max shutter speed is good (1/8,000 seconds)
 has image stabilization (Sensor based 5-axis)
 sensor size is big (Full frame)
 features tracking focus
 weather sealing
 good battery pack (600 per charge)
 comes with phase detect AF
 sensor resolution not great (12MP)
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Travel Comparison
 Canon SX20 IS as a Travel photography camera
 Sony A7S III as a Travel photography camera
53
 flash built-in
 selfie friendly screen
 relatively wide (28mm)
 long zoom (560mm)
 does not have Time Lapse function
 heavier than competitors (600 grams)
 low megapixels (12MP)
 sluggish max aperture (f2.8)
70
 good battery pack (600 per charge)
 weather sealing
 connects via bluetooth
 provides focus via touch
 display is selfie friendly
 sensor resolution not great (12 megapixels)
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Landscape Comparison
Landscape photography with Canon SX20 IS
Landscape photography with Sony A7S III
35
 has manual focus
 relatively wide (28mm)
 image stabilization (Optical)
 cannot change lens (fixed lens mount)
 sluggish max aperture (f2.8)
 screen is small (2.5 inches)
 low megapixels (12 megapixels)
 sensor size is very small (1/2.3")
 no RAW format
 does not have Time Lapse function
77
 you can focus manually
 change lenses (Sony E mount)
 screen size is good (3 inches)
 has image stabilization (Sensor based 5-axis)
 sensor size is big (Full frame)
 very good ISO range (102,400)
 supports RAW files
 weather sealing
 good battery pack (600 per charge)
 has double storage slots
 sensor resolution not great (12 megapixels)
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Vlogging Comparison
Canon SX20 IS Vlogging advice
Sony A7S III Vlogging advice
50
 relatively wide (28mm)
 selfie friendly screen
 image stabilization (Optical)
 sluggish max aperture (f2.8)
 low quality video (1280 x 720 pxls)
 does not have external mic jack
 heavier than competitors (600 grams)
77
 display is selfie friendly
 built-in touchscreen
 has image stabilization (Sensor based 5-axis)
 features face detect focusing
 high video quality (3840 x 2160 pxls)
 does have microphone port
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Canon SX20 IS vs Sony A7S III Specifications

		

		

					

		
		

			Detailed spec comparison table for Canon SX20 IS and Sony A7S III
 Canon PowerShot SX20 ISSony Alpha A7S III
General Information
Manufacturer Canon Sony
Model Canon PowerShot SX20 IS Sony Alpha A7S III
Category Small Sensor Superzoom Pro Mirrorless
Released 2010-07-06 2020-07-21
Body design SLR-like (bridge) SLR-style mirrorless
Sensor Information
Processor Chip Digic 4 Bionz XR
Sensor type CCD BSI-CMOS
Sensor size 1/2.3" Full frame
Sensor measurements 6.17 x 4.55mm 35.6 x 23.8mm
Sensor surface area 28.1mm² 847.3mm²
Sensor resolution 12 megapixel 12 megapixel
Anti aliasing filter    
Aspect ratio 4:3 and  16:9 3:2 and  16:9
Max resolution 4000 x 3000 4240 x 2832
Max native ISO 1600 102400
Max enhanced ISO - 409600
Lowest native ISO 80 80
RAW files    
Lowest enhanced ISO - 50
Autofocusing
Focus manually    
Touch focus    
AF continuous    
Single AF    
Tracking AF    
AF selectice    
AF center weighted    
Multi area AF    
Live view AF    
Face detection focusing    
Contract detection focusing    
Phase detection focusing    
Number of focus points 9 759
Lens
Lens mounting type fixed lens Sony E
Lens focal range 28-560mm (20.0x) -
Max aperture f/2.8-5.7 -
Macro focus distance 0cm -
Total lenses - 121
Crop factor 5.8 1
Screen
Range of screen Fully Articulated Fully articulated
Screen diagonal 2.5 inches 3 inches
Resolution of screen 230 thousand dot 1,440 thousand dot
Selfie friendly    
Liveview    
Touch operation    
Viewfinder Information
Viewfinder Electronic Electronic
Viewfinder resolution - 9,440 thousand dot
Viewfinder coverage - 100%
Viewfinder magnification - 0.91x
Features
Min shutter speed 15s 30s
Max shutter speed 1/3200s 1/8000s
Continuous shutter speed 1.0 frames/s 10.0 frames/s
Shutter priority    
Aperture priority    
Expose Manually    
Exposure compensation Yes Yes
Change WB    
Image stabilization    
Built-in flash    
Flash range 6.80 m no built-in flash
Flash settings Auto, On, Off, Red-Eye, Slow Sync, Fill-in no built-in flash
Hot shoe    
Auto exposure bracketing    
WB bracketing    
Max flash sync 1/500s -
Exposure
Multisegment metering    
Average metering    
Spot metering    
Partial metering    
AF area metering    
Center weighted metering    
Video features
Supported video resolutions 1280 x 720 (30 fps) 640 x 480 (30 fps), 320 x 240 (30, 15 fps) 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
Max video resolution 1280x720 3840x2160
Video file format H.264 MPEG-4, XAVC S, XAVC HS, XAVC S-1, H.264, H.265
Microphone jack    
Headphone jack    
Connectivity
Wireless None Built-In
Bluetooth    
NFC    
HDMI    
USB USB 2.0 (480 Mbit/sec) USB 3.2 Gen 1 (5 GBit/sec)
GPS None None
Physical
Environment seal    
Water proof    
Dust proof    
Shock proof    
Crush proof    
Freeze proof    
Weight 600g (1.32 lbs) 699g (1.54 lbs)
Dimensions 128 x 88 x 87mm (5.0" x 3.5" x 3.4") 129 x 97 x 81mm (5.1" x 3.8" x 3.2")
DXO scores
DXO Overall 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 - 600 shots
Form of battery - Battery Pack
Battery model 4 x AA NP-FZ100
Self timer Yes (2 or 10 sec, Custom) Yes (2 or 10 sec; continuous (3 or 5 exposures))
Time lapse shooting   With downloadable app
Storage media SD / SDHC / MMC / MMC Plus / HC MMC Plus Dual SD/CFexpress Type A slots
Storage slots Single Dual
Cost at release $500 $3,499