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Fujifilm GFX 100S vs OM System OM-1

Portability
55
Imaging
95
Features
85
Overall
91
Fujifilm GFX 100S front
 
OM System OM-1 front
Portability
65
Imaging
63
Features
96
Overall
76

Fujifilm GFX 100S vs OM System OM-1 Key Specs

Fujifilm GFX 100S
(Full Review)
  • 102MP - Medium format Sensor
  • 3.2" Tilting Screen
  • 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
  • Revealed January 2021
OM System OM-1
(Full Review)
  • 20MP - Four Thirds Sensor
  • 3.00" Fully Articulated Display
  • ISO 200 - 25600 (Push to 102400)
  • Sensor based 5-axis Image Stabilization
  • No Anti-Alias Filter
  • 1/8000s Maximum Shutter
  • 4096 x 2160 video
  • Micro Four Thirds Mount
  • 599g - 135 x 92 x 73mm
  • Announced February 2022
Photography Glossary

Fujifilm GFX 100S vs OM System OM-1 Overview

On this page, we are comparing the Fujifilm GFX 100S versus OM System OM-1, both Pro Mirrorless cameras by competitors FujiFilm and Olympus. There is a large difference among the sensor resolutions of the Fujifilm GFX 100S (102MP) and OM System OM-1 (20MP) and the Fujifilm GFX 100S (Medium format) and OM System OM-1 (Four Thirds) have different sensor sizing.

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The Fujifilm GFX 100S was announced 12 months before the OM System OM-1 which means that they are of a similar age. Each of the cameras have the same body design (SLR-style mirrorless).

Before getting straight to a comprehensive comparison, here is a quick summation of how the Fujifilm GFX 100S grades against the OM System OM-1 when considering portability, imaging, features and an overall score.

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Reasons to pick Fujifilm GFX 100S over the OM System OM-1

 Fujifilm GFX 100S OM System OM-1 
Display dimensions3.2"3.00"Larger display (+0.2")
Display resolution2360k1620kSharper display (+740k dot)

Reasons to pick OM System OM-1 over the Fujifilm GFX 100S

 OM System OM-1 Fujifilm GFX 100S 
AnnouncedFebruary 2022January 2021More modern by 12 months
Display typeFully ArticulatedTiltingFully Articulating display
Selfie screen Take selfies

Common features in the Fujifilm GFX 100S and OM System OM-1

 Fujifilm GFX 100S OM System OM-1 
Manually focus More precise focus
Touch friendly display Easily navigate

Fujifilm GFX 100S vs OM System OM-1 Physical Comparison

If you're looking to carry around your camera regularly, you will need to think about its weight and dimensions. The Fujifilm GFX 100S enjoys exterior measurements of 150mm x 104mm x 87mm (5.9" x 4.1" x 3.4") accompanied by a weight of 900 grams (1.98 lbs) and the OM System OM-1 has dimensions of 135mm x 92mm x 73mm (5.3" x 3.6" x 2.9") with a weight of 599 grams (1.32 lbs).

See the Fujifilm GFX 100S versus OM System OM-1 in our newest Camera plus Lens Size Comparison Tool. Camera Size Comparison with Lenses

Do not forget, the weight of an ILC will differ dependant on the lens you use at that moment. Underneath is a front view scale comparison of the Fujifilm GFX 100S versus the OM System OM-1.

Fujifilm GFX 100S vs OM System OM-1 size comparison

Taking into account size and weight, the portability grade of the Fujifilm GFX 100S and OM System OM-1 is 55 and 65 respectively.

Fujifilm GFX 100S vs OM System OM-1 top view buttons comparison

Fujifilm GFX 100S vs OM System OM-1 Sensor Comparison

Oftentimes, it is very tough to imagine the difference in sensor sizes purely by looking through specs. The pic here may provide you a greater sense of the sensor sizing in the Fujifilm GFX 100S and OM System OM-1.

All in all, each of the cameras provide different resolutions and different sensor sizes. The Fujifilm GFX 100S with its larger sensor is going to make getting shallower depth of field easier and the Fujifilm GFX 100S will result in greater detail with its extra 82 Megapixels. Greater resolution will also help you crop images more aggressively. The more aged Fujifilm GFX 100S will be behind in sensor innovation.

Fujifilm GFX 100S vs OM System OM-1 sensor size comparison

Fujifilm GFX 100S vs OM System OM-1 Screen and ViewFinder

Fujifilm GFX 100S vs OM System OM-1 Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Fujifilm GFX 100S Portrait photography information
OM System OM-1 Portrait photography information
97
has manual focus
amazing resolution (102 megapixels)
big sensor size (Medium format)
supports face detection focusing
supports RAW files
77
has manual focus
MP count decent (20MP)
sensor size is decent (Four Thirds)
provides face detect autofocus
saves RAW files
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Street Comparison

Fujifilm GFX 100S Street photography features
OM System OM-1 Street photography features
74
tilting screen
image stabilization (Sensor based 5-axis)
big sensor size (Medium format)
supports RAW files
features focus by touch
environment proofing
heavier than competitors in class (900g)
77
fully articulated screen
image stabilization (Sensor based 5-axis)
sensor size is decent (Four Thirds)
saves RAW files
comes with focus by touch
weather sealing
great ISO range (25,600)
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Sports Comparison

Fujifilm GFX 100S as a Sports photography camera
OM System OM-1 as a Sports photography camera
91
quiet mode (1/16,000s)
image stabilization (Sensor based 5-axis)
amazing resolution (102MP)
big sensor size (Medium format)
supports tracking autofocus
environment proofing
supports phase detect AF
slow continuous shooting (5.0 frames/s)
81
max shutter speed is good (1/8,000s)
silent mode (1/32,000s)
image stabilization (Sensor based 5-axis)
MP count decent (20 megapixels)
sensor size is decent (Four Thirds)
provides tracking focus
weather sealing
great battery (520 per charge)
comes with phase detect autofocus
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Travel Comparison

Fujifilm GFX 100S Travel photography factors
OM System OM-1 Travel photography factors
67
environment proofing
has bluetooth
features focus by touch
amazing resolution (102MP)
heavier than competitors in class (900g)
display isn't selfie friendly
78
great battery (520 CIPA)
weather sealing
has bluetooth
comes with focus by touch
MP count decent (20 megapixels)
selfie friendly screen
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Landscape Comparison

Fujifilm GFX 100S Landscape photography details
OM System OM-1 Landscape photography details
93
has manual focus
switch lenses (Fujifilm G mount)
good sized screen (3.2 inch)
image stabilization (Sensor based 5-axis)
amazing resolution (102MP)
big sensor size (Medium format)
supports RAW files
environment proofing
two card slots
81
has manual focus
change lenses (Micro Four Thirds mount)
screen size is decent (3.00 inch)
image stabilization (Sensor based 5-axis)
MP count decent (20 megapixels)
sensor size is decent (Four Thirds)
doesnt have low pass filter
great ISO range (25,600)
saves RAW files
weather sealing
great battery (520 shots)
2 card slots
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Vlogging Comparison

Vlogging with Fujifilm GFX 100S
Vlogging with OM System OM-1
34
has touchscreen
image stabilization (Sensor based 5-axis)
supports face detection focusing
high res video (4096 x 2160 resolution)
comes with external mic socket
display isn't selfie friendly
heavier than competitors in class (900g)
78
selfie friendly screen
touchscreen capability
image stabilization (Sensor based 5-axis)
provides face detect autofocus
high res video (4096 x 2160 resolution)
does have mic support
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Fujifilm GFX 100S vs OM System OM-1 Specifications

Detailed spec comparison table for Fujifilm GFX 100S and OM System OM-1
 Fujifilm GFX 100SOM System OM-1
General Information
Make FujiFilm Olympus
Model Fujifilm GFX 100S OM System OM-1
Type Pro Mirrorless Pro Mirrorless
Revealed 2021-01-27 2022-02-15
Physical type SLR-style mirrorless SLR-style mirrorless
Sensor Information
Sensor type BSI-CMOS Stacked BSI Live MOS Sensor
Sensor size Medium format Four Thirds
Sensor dimensions 44 x 33mm 17.4 x 13mm
Sensor surface 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
Full resolution 11648 x 8736 5184 x 3888
Max native ISO 12800 25600
Max boosted ISO 102400 102400
Minimum native ISO 100 200
RAW format
Minimum boosted ISO 50 80
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 425 1053
Cross focus points - 1053
Lens
Lens mount Fujifilm G Micro Four Thirds
Total lenses 13 118
Crop factor 0.8 2.1
Screen
Screen type Tilting Fully Articulated
Screen diagonal 3.2" 3.00"
Resolution of screen 2,360 thousand dots 1,620 thousand dots
Selfie friendly
Liveview
Touch functionality
Viewfinder Information
Viewfinder Electronic Electronic
Viewfinder resolution 3,690 thousand dots 5,760 thousand dots
Viewfinder coverage 100% 100%
Viewfinder magnification 0.77x 0.83x
Features
Slowest shutter speed 30 secs 60 secs
Maximum shutter speed 1/4000 secs 1/8000 secs
Maximum silent shutter speed 1/16000 secs 1/32000 secs
Continuous shooting rate 5.0 frames per second 10.0 frames per second
Shutter priority
Aperture priority
Manual mode
Exposure compensation Yes Yes
Custom WB
Image stabilization
Integrated 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
Auto exposure bracketing
WB bracketing
Maximum flash synchronize 1/125 secs 1/250 secs
Exposure
Multisegment
Average
Spot
Partial
AF area
Center weighted
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 -
Max video resolution 4096x2160 4096x2160
Video file format MPEG-4, H.264, H.265 MPEG-4, H.264, H.265, HEVC
Mic support
Headphone support
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
Environment sealing
Water proof
Dust proof
Shock proof
Crush proof
Freeze proof
Weight 900g (1.98 pounds) 599g (1.32 pounds)
Physical dimensions 150 x 104 x 87mm (5.9" x 4.1" x 3.4") 135 x 92 x 73mm (5.3" x 3.6" x 2.9")
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 images 520 images
Battery style Battery Pack Battery Pack
Battery model NP-W235 BLX-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)
Card slots Two Two
Price at launch $5,999 $2,199