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Fujifilm GFX 100S vs Olympus E-M1 III

Portability
55 Imaging
95 Features
85 Overall
91
Fujifilm GFX 100S front
 
Olympus OM-D E-M1 Mark III front
Portability
67 Imaging
62 Features
96 Overall
75

Fujifilm GFX 100S vs Olympus E-M1 III Key Specs

Fujifilm GFX 100S
(Full Review)
  • 102MP - Medium format Sensor
  • 3.2" Tilting Display
  • ISO 100 - 12800 (Raise to 102400)
  • Sensor based 5-axis Image Stabilization
  • 4096 x 2160 video
  • Fujifilm G Mount
  • 900g - 150 x 104 x 87mm
  • Released January 2021
Olympus E-M1 III
(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
  • 4096 x 2160 video
  • Micro Four Thirds Mount
  • 580g - 134 x 91 x 69mm
  • Announced February 2020
  • Old Model is Olympus E-M1 II
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Fujifilm GFX 100S vs Olympus E-M1 III Overview

Following is a thorough overview of the Fujifilm GFX 100S vs Olympus E-M1 III, both Pro Mirrorless digital cameras by rivals FujiFilm and Olympus. There is a sizeable difference between the sensor resolutions of the Fujifilm GFX 100S (102MP) and E-M1 III (20MP) and the Fujifilm GFX 100S (Medium format) and E-M1 III (Four Thirds) offer totally different sensor size.

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The Fujifilm GFX 100S was brought out 12 months after the E-M1 III and they are of a similar generation. Both of the cameras feature the same body design (SLR-style mirrorless).

Before we go into a full comparison, here is a short summation of how the Fujifilm GFX 100S grades vs the E-M1 III when considering portability, imaging, features and an overall score.

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Reasons to pick Fujifilm GFX 100S over the Olympus E-M1 III

		

		

			
 Fujifilm GFX 100S E-M1 III 
AnnouncedJanuary 2021February 2020More modern by 12 months
Screen size3.2"3"Bigger screen (+0.2")
Screen resolution2360k1037kSharper screen (+1323k dot)
		

	

	
	

		

		
Reasons to pick Olympus E-M1 III over the Fujifilm GFX 100S

		

		

			
 E-M1 III Fujifilm GFX 100S 
Screen typeFully ArticulatedTiltingFully Articulating screen
Selfie screen  Take selfies
		

	

	
	

		

		
Common features in the Fujifilm GFX 100S and Olympus E-M1 III

		

		

			
 Fujifilm GFX 100S E-M1 III 
Focus manually  Dial precise focusing
Touch screen  Quickly navigate
		

	

	

	
	
	
	

	

		

		
Fujifilm GFX 100S vs Olympus E-M1 III Physical Comparison

		

		

			
In case you're aiming to carry around your camera regularly, you will need to factor in its weight and measurements. The Fujifilm GFX 100S offers outer dimensions of 150mm x 104mm x 87mm (5.9" x 4.1" x 3.4") and a weight of 900 grams (1.98 lbs) and the Olympus E-M1 III has proportions of 134mm x 91mm x 69mm (5.3" x 3.6" x 2.7") with a weight of 580 grams (1.28 lbs).
Contrast the Fujifilm GFX 100S vs Olympus E-M1 III in the latest Camera and Lens Size Comparison Tool. Camera Size Comparison with Lenses
Do not forget, the weight of an Interchangeable Lens Camera will differ based on the lens you have attached at that moment. Below is a front view measurements comparison of the Fujifilm GFX 100S vs the E-M1 III.
Fujifilm GFX 100S vs Olympus E-M1 III size comparison
Taking into consideration size and weight, the portability rating of the Fujifilm GFX 100S and E-M1 III is 55 and 67 respectively.
Fujifilm GFX 100S vs Olympus E-M1 III top view buttons comparison		

	

	
	

		

		
Fujifilm GFX 100S vs Olympus E-M1 III Sensor Comparison

		

		

			
Often, it is hard to envision the contrast between sensor sizes merely by reading through technical specs. The pic here will help provide you a much better sense of the sensor dimensions in the Fujifilm GFX 100S and E-M1 III.
As you have seen, each of the cameras come with different resolutions and different sensor sizes. The Fujifilm GFX 100S because of its bigger sensor will make getting bokeh simpler and the Fujifilm GFX 100S will give you extra detail having its extra 82 Megapixels. Higher resolution will also allow you to crop photographs a good deal more aggressively. The fresher Fujifilm GFX 100S is going to have a benefit when it comes to sensor innovation.
	
			Fujifilm GFX 100S vs Olympus E-M1 III sensor size comparison			
		

	

	
	

		

		
Fujifilm GFX 100S vs Olympus E-M1 III Screen and ViewFinder

		

		

					

		Fujifilm GFX 100S vs Olympus E-M1 III Screen and Viewfinder comparison	

	
			Photography Glossary	

	
	
	
	

	

		
Photography Type Scores

		

	

	
Portrait Comparison
Fujifilm GFX 100S Portrait photography info
Olympus E-M1 III Portrait photography info
97
 focusing manually
 sensor resolution is great (102 megapixels)
 sensor size is great (Medium format)
 includes face detect autofocus
 exports RAW formats
77
 manual focus
 good MP (20MP)
 sensor size is good (Four Thirds)
 includes face detection focus
 saves RAW files
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Street Comparison
Fujifilm GFX 100S Street photography features
Olympus E-M1 III Street photography features
74
 tilting screen
 image stabilization (Sensor based 5-axis)
 sensor size is great (Medium format)
 exports RAW formats
 boasts focus by touch
 weather sealing
 more heavy than average in class (900g)
78
 screen articulates fully
 built in image stabilization (Sensor based 5-axis)
 sensor size is good (Four Thirds)
 saves RAW files
 offers touch to focus
 environment sealing
 good ISO range (25,600)
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Sports Comparison
 Fujifilm GFX 100S as a Sports photography camera
 Olympus E-M1 III as a Sports photography camera
91
 silent shutter (1/16,000s)
 image stabilization (Sensor based 5-axis)
 sensor resolution is great (102MP)
 sensor size is great (Medium format)
 includes tracking focus
 weather sealing
 sensor has phase detect autofocus
 low frames per second (5.0 frames/s)
81
 high shutter speed (1/8,000 seconds)
 quiet shutter (1/32,000 seconds)
 max frames per second high (60.0 fps)
 built in image stabilization (Sensor based 5-axis)
 good MP (20MP)
 sensor size is good (Four Thirds)
 includes tracking autofocus
 environment sealing
 sensor has phase detect auto focus
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Travel Comparison
 Fujifilm GFX 100S as a Travel photography camera
 Olympus E-M1 III as a Travel photography camera
67
 weather sealing
 connects via bluetooth
 boasts focus by touch
 sensor resolution is great (102MP)
 more heavy than average in class (900g)
 screen is not selfie friendly
79
 environment sealing
 supports bluetooth
 offers touch to focus
 good MP (20 megapixels)
 selfie friendly display
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Landscape Comparison
Fujifilm GFX 100S Landscape photography factors
Olympus E-M1 III Landscape photography factors
93
 focusing manually
 swap lenses (Fujifilm G mount)
 decent sized screen (3.2 inches)
 image stabilization (Sensor based 5-axis)
 sensor resolution is great (102MP)
 sensor size is great (Medium format)
 exports RAW formats
 weather sealing
 two card slots
81
 manual focus
 interchangeable lenses (Micro Four Thirds mount)
 nice screen size (3 inches)
 built in image stabilization (Sensor based 5-axis)
 good MP (20 megapixels)
 sensor size is good (Four Thirds)
 does not have anti aliasing filter
 good ISO range (25,600)
 saves RAW files
 environment sealing
 has dual storage slots
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Vlogging Comparison
Vlogging with Fujifilm GFX 100S
Vlogging with Olympus E-M1 III
34
 has touchscreen
 image stabilization (Sensor based 5-axis)
 includes face detect autofocus
 video res high (4096 x 2160 pxls)
 includes microphone socket
 screen is not selfie friendly
 more heavy than average in class (900 grams)
79
 selfie friendly display
 has touchscreen
 built in image stabilization (Sensor based 5-axis)
 includes face detection focus
 video res high (4096 x 2160 resolution)
 includes external mic jack
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Fujifilm GFX 100S vs Olympus E-M1 III Specifications

		

		

					

		
		

			Detailed spec comparison table for Fujifilm GFX 100S and Olympus E-M1 III
 Fujifilm GFX 100SOlympus OM-D E-M1 Mark III
General Information
Company FujiFilm Olympus
Model Fujifilm GFX 100S Olympus OM-D E-M1 Mark III
Class Pro Mirrorless Pro Mirrorless
Released 2021-01-27 2020-02-11
Body design SLR-style mirrorless SLR-style mirrorless
Sensor Information
Chip - TruePic IX
Sensor type BSI-CMOS CMOS
Sensor size Medium format Four Thirds
Sensor dimensions 44 x 33mm 17.4 x 13mm
Sensor area 1,452.0mm² 226.2mm²
Sensor resolution 102 megapixels 20 megapixels
Anti aliasing filter    
Aspect ratio 1:1, 5:4, 4:3, 3:2 and  16:9 4:3
Highest resolution 11648 x 8736 5184 x 3888
Highest native ISO 12800 25600
Highest boosted ISO 102400 -
Lowest native ISO 100 200
RAW data    
Lowest boosted ISO 50 64
Autofocusing
Manual focus    
Touch to focus    
Continuous autofocus    
Autofocus single    
Tracking autofocus    
Autofocus selectice    
Autofocus center weighted    
Autofocus multi area    
Live view autofocus    
Face detect autofocus    
Contract detect autofocus    
Phase detect autofocus    
Number of focus points 425 121
Cross focus points - 121
Lens
Lens mounting type Fujifilm G Micro Four Thirds
Amount of lenses 13 107
Focal length multiplier 0.8 2.1
Screen
Display type Tilting Fully Articulated
Display diagonal 3.2 inches 3 inches
Display resolution 2,360k dot 1,037k dot
Selfie friendly    
Liveview    
Touch functionality    
Viewfinder Information
Viewfinder type Electronic Electronic
Viewfinder resolution 3,690k dot 2,360k dot
Viewfinder coverage 100 percent 100 percent
Viewfinder magnification 0.77x 0.74x
Features
Slowest shutter speed 30s 60s
Maximum shutter speed 1/4000s 1/8000s
Maximum quiet shutter speed 1/16000s 1/32000s
Continuous shooting speed 5.0 frames/s 60.0 frames/s
Shutter priority    
Aperture priority    
Manually set exposure    
Exposure compensation Yes Yes
Custom white balance    
Image stabilization    
Inbuilt flash    
Flash range no built-in flash no built-in flash
Flash options no built-in flash Redeye, Fill-in, Flash Off, Red-eye Slow sync.(1st curtain), Slow sync.(1st curtain), Slow sync.(2nd curtain), Manual
External flash    
AE bracketing    
WB bracketing    
Maximum flash sync 1/125s 1/250s
Exposure
Multisegment exposure    
Average exposure    
Spot exposure    
Partial exposure    
AF area exposure    
Center weighted exposure    
Video features
Video resolutions 4096 x 2160 @ 30p / 400 Mbps, MOV, H.265, Linear PCM4096 x 2160 @ 25p / 400 Mbps, MOV, H.265, Linear PCM4096 x 2160 @ 24p / 400 Mbps, MOV, H.265, Linear PCM4096 x 2160 @ 23.98p / 400 Mbps, MOV, H.265, Linear PCM3840 x 2160 @ 30p / 400 Mbps, MOV, H.265, Linear PCM3840 x 2160 @ 25p / 400 Mbps, MOV, H.265, Linear PCM3840 x 2160 @ 24p / 400 Mbps, MOV, H.265, Linear PCM3840 x 2160 @ 23.98p / 400 Mbps, MOV, H.265, Linear PCM1920 x 1080 @ 60p / 200 Mbps, MOV, H.265, Linear PCM1920 x 1080 @ 50p / 200 Mbps, MOV, H.265, Linear PCM1920 x 1080 @ 30p / 200 Mbps, MOV, H.265, Linear PCM1920 x 1080 @ 25p / 200 Mbps, MOV, H.265, Linear PCM1920 x 1080 @ 24p / 200 Mbps, MOV, H.265, Linear PCM1920 x 1080 @ 23.98p / 200 Mbps, MOV, H.265, Linear PCM 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
Highest video resolution 4096x2160 4096x2160
Video data format MPEG-4, H.264, H.265 MPEG-4, H.264
Mic input    
Headphone input    
Connectivity
Wireless Built-In Built-In
Bluetooth    
NFC    
HDMI    
USB USB 3.2 Gen 1 (5 GBit/sec) USB 3.1 Gen 1 (5 GBit/sec)
GPS None None
Physical
Environmental seal    
Water proof    
Dust proof    
Shock proof    
Crush proof    
Freeze proof    
Weight 900g (1.98 lbs) 580g (1.28 lbs)
Physical dimensions 150 x 104 x 87mm (5.9" x 4.1" x 3.4") 134 x 91 x 69mm (5.3" x 3.6" x 2.7")
DXO scores
DXO All around score not tested not tested
DXO Color Depth score not tested not tested
DXO Dynamic range score not tested not tested
DXO Low light score not tested not tested
Other
Battery life 460 pictures 420 pictures
Style of battery Battery Pack Battery Pack
Battery model NP-W235 BLH-1
Self timer Yes Yes (2 or 12 secs, custom)
Time lapse shooting    
Type of storage Dual SD/SDHC/SDXC cards (UHS-II supported) Dual SD/SDHC/SDXC slots (UHS-II on first slot)
Storage slots Two Two
Retail pricing $5,999 $1,800