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Olympus E-M1 III vs Panasonic G100

Portability
67 Imaging
62 Features
96 Overall
75
Olympus OM-D E-M1 Mark III front
 
Panasonic Lumix DC-G100 front
Portability
81 Imaging
62 Features
76 Overall
67

Olympus E-M1 III vs Panasonic G100 Key Specs

Olympus E-M1 III
(Full Review)
  • 20MP - Four Thirds Sensor
  • 3" Fully Articulated Display
  • ISO 200 - 25600
  • Sensor based 5-axis Image Stabilization
  • No Anti-Alias Filter
  • 1/8000s Max Shutter
  • 4096 x 2160 video
  • Micro Four Thirds Mount
  • 580g - 134 x 91 x 69mm
  • Introduced February 2020
  • Succeeded the Olympus E-M1 II
Panasonic G100
(Full Review)
  • 20MP - Four Thirds Sensor
  • 3" Fully Articulated Display
  • ISO 200 - 25600
  • 3840 x 1920 video
  • Micro Four Thirds Mount
  • 352g - 116 x 83 x 54mm
  • Revealed June 2020
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Olympus E-M1 III vs Panasonic G100 Overview

Below is a thorough analysis of the Olympus E-M1 III vs Panasonic G100, one being a Pro Mirrorless and the other is a Entry-Level Mirrorless by manufacturers Olympus and Panasonic. The image resolution of the E-M1 III (20MP) and the G100 (20MP) is very comparable and they enjoy the same exact sensor size (Four Thirds).

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The E-M1 III was introduced 4 months prior to the G100 which means that they are both of a similar generation. Each of these cameras offer the identical body type (SLR-style mirrorless).

Before getting straight into a in-depth comparison, below is a quick synopsis of how the E-M1 III matches up against the G100 in regards to portability, imaging, features and an overall grade.

Photography Glossary 
	
	

		

		
Reasons to pick Olympus E-M1 III over the Panasonic G100

		

		

			
 E-M1 III G100 
		

	

	
	

		

		
Reasons to pick Panasonic G100 over the Olympus E-M1 III

		

		

			
 G100 E-M1 III 
Display resolution1840k1037kClearer display (+803k dot)
		

	

	
	

		

		
Common features in the Olympus E-M1 III and Panasonic G100

		

		

			
 E-M1 III G100 
RevealedFebruary 2020June 2020Same generation
Manual focus  Dial exact focus
Display typeFully ArticulatedFully ArticulatedFully Articulated display
Display sizing3"3"Equivalent display size
Selfie screen  Both good for selfies
Touch friendly display  Easily navigate
		

	

	

	
	
	
	

	

		

		
Olympus E-M1 III vs Panasonic G100 Physical Comparison

		

		

			
When you are intending to lug around your camera regularly, you have to factor in its weight and size. The Olympus E-M1 III features external dimensions of 134mm x 91mm x 69mm (5.3" x 3.6" x 2.7") having a weight of 580 grams (1.28 lbs) while the Panasonic G100 has specifications of 116mm x 83mm x 54mm (4.6" x 3.3" x 2.1") with a weight of 352 grams (0.78 lbs).
Take a look at the Olympus E-M1 III vs Panasonic G100 in the latest 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 utilising at that time. Underneath is the front view measurements comparison of the E-M1 III vs the G100.
Olympus E-M1 III vs Panasonic G100 size comparison
Factoring in dimensions and weight, the portability score of the E-M1 III and G100 is 67 and 81 respectively.
Olympus E-M1 III vs Panasonic G100 top view buttons comparison		

	

	
	

		

		
Olympus E-M1 III vs Panasonic G100 Sensor Comparison

		

		

			
Normally, it is very tough to see the contrast in sensor measurements just by going through a spec sheet. The visual below should give you a greater sense of the sensor dimensions in the E-M1 III and G100.
Clearly, both cameras offer the same exact sensor sizing and the same resolution therefore you should expect comparable quality of files but you will need to factor the release date  of the cameras into account.
	
			Olympus E-M1 III vs Panasonic G100 sensor size comparison			
		

	

	
	

		

		
Olympus E-M1 III vs Panasonic G100 Screen and ViewFinder

		

		

					

		Olympus E-M1 III vs Panasonic G100 Screen and Viewfinder comparison	

	
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Photography Type Scores

		

	

	
Portrait Comparison
Olympus E-M1 III Portrait photography factors
Panasonic G100 Portrait photography factors
77
 manual focus
 resolution is good (20 megapixels)
 sensor size is good (Four Thirds)
 includes face detect focus
 supports RAW files
77
 focusing manually
 MP count good (20 megapixels)
 decent sensor size (Four Thirds)
 provides face detect focusing
 delivers RAW formats
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Street Comparison
Olympus E-M1 III Street photography features
Panasonic G100 Street photography features
78
 screen can move to multiple angles
 built in image stabilization (Sensor based 5-axis)
 sensor size is good (Four Thirds)
 supports RAW files
 provides touch focus
 weather proof
 above average ISO range (25,600)
78
 screen articulates fully
 decent sensor size (Four Thirds)
 delivers RAW formats
 boasts touch focus
 good high ISO (25,600)
 no image stabilization
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Sports Comparison
 Olympus E-M1 III as a Sports photography camera
 Panasonic G100 as a Sports photography camera
81
 great max shutter speed (1/8,000 seconds)
 quiet mode (1/32,000 seconds)
 fast shooting (60.0 frames/s)
 built in image stabilization (Sensor based 5-axis)
 resolution is good (20 megapixels)
 sensor size is good (Four Thirds)
 includes tracking focus
 weather proof
 comes with phase detect auto focus
56
 quiet shutter (1/16,000s)
 MP count good (20MP)
 decent sensor size (Four Thirds)
 provides tracking focus
 low maximum shutter speed (1/500s)
 no image stabilization
 terrible battery life (270 per charge)
 no phase detect AF
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Travel Comparison
Olympus E-M1 III Travel photography information
Panasonic G100 Travel photography information
79
 weather proof
 connects via bluetooth
 provides touch focus
 resolution is good (20 megapixels)
 display is selfie friendly
78
 supports bluetooth
 boasts touch focus
 MP count good (20 megapixels)
 built-in flash
 screen is selfie friendly
 terrible battery life (270 CIPA)
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Landscape Comparison
Landscape photography with Olympus E-M1 III
Landscape photography with Panasonic G100
81
 manual focus
 interchangeable lenses (Micro Four Thirds mount)
 screen size is good (3 inch)
 built in image stabilization (Sensor based 5-axis)
 resolution is good (20 megapixels)
 sensor size is good (Four Thirds)
 does not have anti aliasing filter
 above average ISO range (25,600)
 supports RAW files
 weather proof
 two card slots
71
 focusing manually
 switch lenses (Micro Four Thirds mount)
 nice screen size (3 inch)
 MP count good (20MP)
 decent sensor size (Four Thirds)
 good high ISO (25,600)
 delivers RAW formats
 no image stabilization
 terrible battery life (270 CIPA)
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Vlogging Comparison
 Olympus E-M1 III as a Vlogging camera
 Panasonic G100 as a Vlogging camera
79
 display is selfie friendly
 touchscreen functionality
 built in image stabilization (Sensor based 5-axis)
 includes face detect focus
 high res video (4096 x 2160 pixels)
 does have microphone socket
78
 screen is selfie friendly
 touchscreen capability
 provides face detect focusing
 video res high (3840 x 1920 pixels)
 includes microphone jack
 no image stabilization
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Olympus E-M1 III vs Panasonic G100 Specifications

		

		

					

		
		

			Detailed spec comparison table for Olympus E-M1 III and Panasonic G100
 Olympus OM-D E-M1 Mark IIIPanasonic Lumix DC-G100
General Information
Brand Olympus Panasonic
Model type Olympus OM-D E-M1 Mark III Panasonic Lumix DC-G100
Class Pro Mirrorless Entry-Level Mirrorless
Introduced 2020-02-11 2020-06-24
Body design SLR-style mirrorless SLR-style mirrorless
Sensor Information
Processor TruePic IX -
Sensor type CMOS CMOS
Sensor size Four Thirds Four Thirds
Sensor measurements 17.4 x 13mm 17.3 x 13mm
Sensor surface area 226.2mm² 224.9mm²
Sensor resolution 20 megapixel 20 megapixel
Anti alias filter    
Aspect ratio 4:3 1:1, 4:3, 3:2 and  16:9
Max resolution 5184 x 3888 5184 x 3888
Max native ISO 25600 25600
Min native ISO 200 200
RAW format    
Min enhanced ISO 64 100
Autofocusing
Focus manually    
Touch focus    
Autofocus continuous    
Single autofocus    
Tracking autofocus    
Selective autofocus    
Center weighted autofocus    
Multi area autofocus    
Autofocus live view    
Face detect autofocus    
Contract detect autofocus    
Phase detect autofocus    
Total focus points 121 49
Cross type focus points 121 -
Lens
Lens mount type Micro Four Thirds Micro Four Thirds
Available lenses 107 107
Crop factor 2.1 2.1
Screen
Range of display Fully Articulated Fully Articulated
Display diagonal 3 inches 3 inches
Display resolution 1,037k dot 1,840k dot
Selfie friendly    
Liveview    
Touch function    
Viewfinder Information
Viewfinder Electronic Electronic
Viewfinder resolution 2,360k dot 3,680k dot
Viewfinder coverage 100 percent 100 percent
Viewfinder magnification 0.74x 0.73x
Features
Minimum shutter speed 60 seconds 60 seconds
Fastest shutter speed 1/8000 seconds 1/500 seconds
Fastest quiet shutter speed 1/32000 seconds 1/16000 seconds
Continuous shutter speed 60.0fps 10.0fps
Shutter priority    
Aperture priority    
Manual exposure    
Exposure compensation Yes Yes
Set white balance    
Image stabilization    
Built-in flash    
Flash distance no built-in flash 3.60 m (at ISO 100)
Flash settings Redeye, Fill-in, Flash Off, Red-eye Slow sync.(1st curtain), Slow sync.(1st curtain), Slow sync.(2nd curtain), Manual Auto, auto w/redeye reduction, on, on w/redeye redduction, slow sync, slow sync w/redeye reduction, off
Hot shoe    
AEB    
White balance bracketing    
Fastest flash sync 1/250 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 PCM3840 x 2160 @ 30p / 102 Mbps, MOV, H.264, Linear PCM3840 x 2160 @ 25p / 102 Mbps, MOV, H.264, Linear PCM3840 x 2160 @ 23.98p / 102 Mbps, MOV, H.264, Linear PCM1920 x 1080 @ 60p, MOV, H.264, Linear PCM1920 x 1080 @ 50p, MOV, H.264, Linear PCM1920 x 1080 @ 30p, MOV, H.264, Linear PCM1920 x 1080 @ 25p, MOV, H.264, Linear PCM1920 x 1080 @ 23.98p, MOV, H.264, Linear PCM 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
Max video resolution 4096x2160 3840x1920
Video format MPEG-4, H.264 MPEG-4, H.264
Microphone input    
Headphone input    
Connectivity
Wireless Built-In Built-In
Bluetooth    
NFC    
HDMI    
USB USB 3.1 Gen 1 (5 GBit/sec) USB 2.0 (480 Mbit/sec)
GPS None None
Physical
Environment seal    
Water proofing    
Dust proofing    
Shock proofing    
Crush proofing    
Freeze proofing    
Weight 580 grams (1.28 lb) 352 grams (0.78 lb)
Dimensions 134 x 91 x 69mm (5.3" x 3.6" x 2.7") 116 x 83 x 54mm (4.6" x 3.3" x 2.1")
DXO scores
DXO Overall rating not tested not tested
DXO Color Depth rating not tested not tested
DXO Dynamic range rating not tested not tested
DXO Low light rating not tested not tested
Other
Battery life 420 photos 270 photos
Battery format Battery Pack Battery Pack
Battery ID BLH-1 -
Self timer Yes (2 or 12 secs, custom) Yes
Time lapse recording    
Type of storage Dual SD/SDHC/SDXC slots (UHS-II on first slot) SD/SDHC/SDXC card (UHS-I supported)
Storage slots Two Single
Pricing at release $1,800 $698