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Olympus E-M5 III vs Panasonic GH3

Portability
80 Imaging
61 Features
88 Overall
71
Olympus OM-D E-M5 III front
 
Panasonic Lumix DMC-GH3 front
Portability
66 Imaging
52 Features
80 Overall
63

Olympus E-M5 III vs Panasonic GH3 Key Specs

Olympus E-M5 III
(Full Review)
  • 20MP - Four Thirds Sensor
  • 3" Fully Articulated Display
  • ISO 200 - 25600
  • Sensor based 5-axis Image Stabilization
  • 1/8000s Max Shutter
  • 4096 x 2160 video
  • Micro Four Thirds Mount
  • 414g - 125 x 85 x 50mm
  • Launched October 2019
  • Replaced the Olympus E-M5 II
  • Newer Model is OM System OM-5
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
  • Old Model is Panasonic GH2
  • Later Model is Panasonic GH4
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Olympus E-M5 III vs Panasonic GH3 Overview

Following is a comprehensive analysis of the Olympus E-M5 III and Panasonic GH3, both Advanced Mirrorless cameras by companies Olympus and Panasonic. There is a sizeable difference among the image resolutions of the E-M5 III (20MP) and GH3 (16MP) but they come with the same exact sensor sizing (Four Thirds).

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The E-M5 III was launched 7 years after the GH3 which is a fairly large gap as far as camera tech is concerned. Both of these cameras offer the identical body type (SLR-style mirrorless).

Before diving through a in-depth comparison, below is a concise introduction of how the E-M5 III matches up against the GH3 when considering portability, imaging, features and an overall score.

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Reasons to pick Olympus E-M5 III over the Panasonic GH3

		

		

			
 E-M5 III GH3 
IntroducedOctober 2019September 2012More modern by 87 months
Screen resolution1040k614kClearer screen (+426k dot)
		

	

	
	

		

		
Reasons to pick Panasonic GH3 over the Olympus E-M5 III

		

		

			
 GH3 E-M5 III 
		

	

	
	

		

		
Common features in the Olympus E-M5 III and Panasonic GH3

		

		

			
 E-M5 III GH3 
Manual focus  Very accurate focusing
Screen typeFully ArticulatedFully ArticulatedFully Articulated screen
Screen sizing3"3"Equivalent screen measurement
Selfie screen  Both good for selfies
Touch screen  Quickly navigate
		

	

	

	
	
	
	

	

		

		
Olympus E-M5 III vs Panasonic GH3 Physical Comparison

		

		

			
If you're looking to carry around your camera regularly, you need to consider its weight and proportions. The Olympus E-M5 III provides outside dimensions of 125mm x 85mm x 50mm (4.9" x 3.3" x 2.0") having a weight of 414 grams (0.91 lbs) whilst the Panasonic GH3 has measurements of 133mm x 93mm x 82mm (5.2" x 3.7" x 3.2") with a weight of 550 grams (1.21 lbs).
Compare the Olympus E-M5 III and Panasonic GH3 in the all new Camera and Lens Size Comparison Tool. Camera Size Comparison with Lenses
Remember that, the weight of an Interchangeable Lens Camera will vary dependant on the lens you are utilizing at that moment. Following is the front view size comparison of the E-M5 III and the GH3.
Olympus E-M5 III vs Panasonic GH3 size comparison
Considering size and weight, the portability rating of the E-M5 III and GH3 is 80 and 66 respectively.
Olympus E-M5 III vs Panasonic GH3 top view buttons comparison		

	

	
	

		

		
Olympus E-M5 III vs Panasonic GH3 Sensor Comparison

		

		

			
Usually, its difficult to visualize the difference in sensor sizes just by seeing technical specs. The pic here should provide you a much better sense of the sensor sizes in the E-M5 III and GH3.
As you have seen, both the cameras offer the same exact sensor sizing albeit different megapixels. You should count on the Olympus E-M5 III to show more detail utilizing its extra 4 Megapixels. Higher resolution will also enable you to crop shots a little more aggressively. The fresher E-M5 III provides a benefit when it comes to sensor innovation.
	
			Olympus E-M5 III vs Panasonic GH3 sensor size comparison			
		

	

	
	

		

		
Olympus E-M5 III vs Panasonic GH3 Screen and ViewFinder

		

		

					

		Olympus E-M5 III vs Panasonic GH3 Screen and Viewfinder comparison	

	
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Photography Type Scores

		

	

	
Portrait Comparison
Olympus E-M5 III Portrait photography details
Panasonic GH3 Portrait photography details
76
 has manual focus
 decent MP (20 megapixels)
 sensor size is decent (Four Thirds)
 has face detect autofocus
 exports RAW formats
71
 focusing manually
 good megapixels (16MP)
 nice sensor size (Four Thirds)
 features face detect focus
 saves RAW files
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Street Comparison
Olympus E-M5 III Street photography highlights
Panasonic GH3 Street photography highlights
83
 screen articulates fully
 image stabilization (Sensor based 5-axis)
 sensor size is decent (Four Thirds)
 exports RAW formats
 provides focus by touch
 weather sealing
 good ISO range (25,600)
65
 fully articulated screen
 nice sensor size (Four Thirds)
 saves RAW files
 supports touch to focus
 environment proofing
 lack of image stabilization
 heavier than competition in class (550g)
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Sports Comparison
Olympus E-M5 III Sports photography information
Panasonic GH3 Sports photography information
75
 max shutter speed is good (1/8,000s)
 silent mode (1/32,000s)
 fast shooting (30.0 frames per second)
 image stabilization (Sensor based 5-axis)
 decent MP (20 megapixels)
 sensor size is decent (Four Thirds)
 has tracking focus
 weather sealing
 comes with phase detect autofocus
 bad battery power (310 per charge)
63
 high max frames per second (20.0 fps)
 good megapixels (16 megapixels)
 nice sensor size (Four Thirds)
 features tracking focus
 environment proofing
 good battery (540 CIPA)
 lack of image stabilization
 no phase detect auto focus
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Travel Comparison
Olympus E-M5 III Travel photography information
Panasonic GH3 Travel photography information
77
 weather sealing
 supports bluetooth
 provides focus by touch
 decent MP (20 megapixels)
 display is selfie friendly
 bad battery power (310 CIPA)
71
 good battery (540 shots)
 environment proofing
 supports touch to focus
 good megapixels (16 megapixels)
 flash built-in
 screen is selfie friendly
 heavier than competition in class (550 grams)
Photography Glossary
Landscape Comparison
Olympus E-M5 III Landscape photography details
Panasonic GH3 Landscape photography details
77
 has manual focus
 change lenses (Micro Four Thirds mount)
 screen size is decent (3 inch)
 image stabilization (Sensor based 5-axis)
 decent MP (20 megapixels)
 sensor size is decent (Four Thirds)
 good ISO range (25,600)
 exports RAW formats
 weather sealing
 bad battery power (310 CIPA)
71
 focusing manually
 switch lenses (Micro Four Thirds mount)
 nice screen size (3 inches)
 good megapixels (16 megapixels)
 nice sensor size (Four Thirds)
 saves RAW files
 environment proofing
 good battery (540 shots)
 lack of image stabilization
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Vlogging Comparison
 Olympus E-M5 III as a Vlogging camera
 Panasonic GH3 as a Vlogging camera
84
 display is selfie friendly
 screen is touchscreen
 image stabilization (Sensor based 5-axis)
 has face detect autofocus
 good video quality (4096 x 2160 pixels)
 does have microphone jack
65
 screen is selfie friendly
 has touchscreen
 features face detect focus
 high res video (1920 x 1080 resolution)
 comes with mic port
 lack of image stabilization
 heavier than competition in class (550 grams)
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Olympus E-M5 III vs Panasonic GH3 Specifications

		

		

					

		
		

			Detailed spec comparison table for Olympus E-M5 III and Panasonic GH3
 Olympus OM-D E-M5 IIIPanasonic Lumix DMC-GH3
General Information
Make Olympus Panasonic
Model Olympus OM-D E-M5 III Panasonic Lumix DMC-GH3
Category Advanced Mirrorless Advanced Mirrorless
Launched 2019-10-17 2012-09-17
Body design SLR-style mirrorless SLR-style mirrorless
Sensor Information
Processor Chip TruePic VIII Venus Engine VII FHD
Sensor type MOS CMOS
Sensor size Four Thirds Four Thirds
Sensor dimensions 17.4 x 13mm 17.3 x 13mm
Sensor surface area 226.2mm² 224.9mm²
Sensor resolution 20 megapixels 16 megapixels
Anti aliasing filter    
Aspect ratio 1:1, 4:3, 3:2 and  16:9 1:1, 4:3, 3:2 and  16:9
Maximum resolution 5184 x 3888 4608 x 3456
Maximum native ISO 25600 12800
Minimum native ISO 200 200
RAW format    
Minimum boosted ISO 64 -
Autofocusing
Focus manually    
Touch to focus    
Continuous autofocus    
Single autofocus    
Tracking autofocus    
Selective autofocus    
Autofocus center weighted    
Autofocus multi area    
Autofocus live view    
Face detect focus    
Contract detect focus    
Phase detect focus    
Number of focus points 121 23
Lens
Lens mounting type Micro Four Thirds Micro Four Thirds
Total lenses 107 107
Focal length multiplier 2.1 2.1
Screen
Range of display Fully Articulated Fully Articulated
Display sizing 3 inch 3 inch
Display resolution 1,040k dot 614k dot
Selfie friendly    
Liveview    
Touch operation    
Display technology - OLED Monitor with static touch control
Viewfinder Information
Viewfinder type Electronic Electronic
Viewfinder resolution 2,360k dot 1,744k dot
Viewfinder coverage 100 percent 100 percent
Viewfinder magnification 0.68x 0.67x
Features
Slowest shutter speed 60 seconds 60 seconds
Maximum shutter speed 1/8000 seconds 1/4000 seconds
Maximum quiet shutter speed 1/32000 seconds -
Continuous shooting speed 30.0 frames per sec 20.0 frames per sec
Shutter priority    
Aperture priority    
Expose Manually    
Exposure compensation Yes Yes
Change white balance    
Image stabilization    
Built-in flash    
Flash range no built-in flash 12.00 m
Flash modes Auto, redeye, fill, off, redeye slow sync, slow sync, 2nd-curtain slow sync, manual Auto, On, Off, Red-Eye, Slow Sync
External flash    
AE bracketing    
WB bracketing    
Maximum flash sync 1/250 seconds 1/160 seconds
Exposure
Multisegment metering    
Average metering    
Spot metering    
Partial metering    
AF area metering    
Center weighted metering    
Video features
Video resolutions 4096 x 2160 @ 24p / 237 Mbps, MOV, H.264, Linear PCM 1920 x 1080 (60, 50, 30, 25 24 fps) 1280 x 720 (60, 50, 30, 25fps), 640 x 480 (30, 25fps
Maximum video resolution 4096x2160 1920x1080
Video file format MPEG-4, H.264 MPEG-4, AVCHD, H.264
Mic jack    
Headphone jack    
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 seal    
Water proof    
Dust proof    
Shock proof    
Crush proof    
Freeze proof    
Weight 414 grams (0.91 pounds) 550 grams (1.21 pounds)
Dimensions 125 x 85 x 50mm (4.9" x 3.3" x 2.0") 133 x 93 x 82mm (5.2" x 3.7" x 3.2")
DXO scores
DXO All around score not tested 71
DXO Color Depth score not tested 22.7
DXO Dynamic range score not tested 12.4
DXO Low light score not tested 812
Other
Battery life 310 shots 540 shots
Type of battery Battery Pack Battery Pack
Battery model BLN-1 -
Self timer Yes (2 or 10 secs, custom) Yes (2 or 10 sec, 10 sec (3 images))
Time lapse shooting    
Type of storage SD/SDHC/SDXC (UHS-II supported) SD/SDHC/SDXC
Storage slots 1 1
Retail cost $1,199 $799