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Fujifilm GFX 100S vs Sony a1

Portability
55
Imaging
95
Features
85
Overall
91
Fujifilm GFX 100S front
 
Sony Alpha a1 front
Portability
61
Imaging
82
Features
93
Overall
86

Fujifilm GFX 100S vs Sony a1 Key Specs

Fujifilm GFX 100S
(Full Review)
  • 102MP - Medium format Sensor
  • 3.2" Tilting Screen
  • ISO 100 - 12800 (Expand to 102400)
  • Sensor based 5-axis Image Stabilization
  • 4096 x 2160 video
  • Fujifilm G Mount
  • 900g - 150 x 104 x 87mm
  • Released January 2021
Sony a1
(Full Review)
  • 50MP - Full frame Sensor
  • 3" Tilting Display
  • ISO 100 - 32000 (Increase to 102400)
  • Sensor based 5-axis Image Stabilization
  • 1/8000s Maximum Shutter
  • 7680 x 4320 video
  • Sony E Mount
  • 737g - 129 x 97 x 70mm
  • Released January 2021
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Fujifilm GFX 100S vs Sony a1 Overview

Let's take a more detailed look at the Fujifilm GFX 100S versus Sony a1, both Pro Mirrorless cameras by companies FujiFilm and Sony. There exists a large gap among the resolutions of the Fujifilm GFX 100S (102MP) and a1 (50MP) and the Fujifilm GFX 100S (Medium format) and a1 (Full frame) come with different sensor measurements.

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The Fujifilm GFX 100S was brought out around the same time to the a1 and they are both of a similar age. Both the cameras come with the identical body type (SLR-style mirrorless).

Before delving in to a more detailed comparison, below is a concise introduction of how the Fujifilm GFX 100S scores vs the a1 in the way of portability, imaging, features and an overall rating.

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Reasons to pick Fujifilm GFX 100S over the Sony a1

 Fujifilm GFX 100S a1 
Display dimension3.2"3"Larger display (+0.2")
Display resolution2360k1440kSharper display (+920k dot)

Reasons to pick Sony a1 over the Fujifilm GFX 100S

 a1 Fujifilm GFX 100S 

Common features in the Fujifilm GFX 100S and Sony a1

 Fujifilm GFX 100S a1 
ReleasedJanuary 2021January 2021Same age
Focus manually Very precise focusing
Display typeTiltingTiltingTilting display
Selfie screen Missing selfie screen
Touch display Easily navigate

Fujifilm GFX 100S vs Sony a1 Physical Comparison

For anybody who is aiming to carry your camera regularly, you'll have to factor in its weight and proportions. The Fujifilm GFX 100S has outside dimensions of 150mm x 104mm x 87mm (5.9" x 4.1" x 3.4") along with a weight of 900 grams (1.98 lbs) while the Sony a1 has measurements of 129mm x 97mm x 70mm (5.1" x 3.8" x 2.8") accompanied by a weight of 737 grams (1.62 lbs).

See the Fujifilm GFX 100S versus Sony a1 in our brand new Camera plus Lens Size Comparison Tool. Camera Size Comparison with Lenses

Always remember, the weight of an ILC will change depending on the lens you select at that moment. Here is the front view dimensions comparison of the Fujifilm GFX 100S compared to the a1.

Fujifilm GFX 100S vs Sony a1 size comparison

Looking at dimensions and weight, the portability rating of the Fujifilm GFX 100S and a1 is 55 and 61 respectively.

Fujifilm GFX 100S vs Sony a1 top view buttons comparison

Fujifilm GFX 100S vs Sony a1 Sensor Comparison

More often than not, it is hard to imagine the contrast in sensor sizing merely by checking out technical specs. The photograph here should provide you a clearer sense of the sensor sizes in the Fujifilm GFX 100S and a1.

As you can tell, both of these cameras posses different resolutions and different sensor sizing. The Fujifilm GFX 100S featuring a larger sensor is going to make achieving shallower DOF simpler and the Fujifilm GFX 100S will produce more detail having its extra 52MP. Greater resolution will make it easier to crop photos somewhat more aggressively.

Fujifilm GFX 100S vs Sony a1 sensor size comparison

Fujifilm GFX 100S vs Sony a1 Screen and ViewFinder

Fujifilm GFX 100S vs Sony a1 Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Fujifilm GFX 100S Portrait photography features
Sony a1 Portrait photography features
97
you can focus manually
megapixel count excellent (102MP)
sensor size is large (Medium format)
includes face detect autofocus
saves RAW files
89
focusing manually
great flash sync speed (1/400s)
great MP (50 megapixels)
big sensor size (Full frame)
has face detection focusing
delivers RAW formats
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Street Comparison

Fujifilm GFX 100S Street photography details
Sony a1 Street photography details
74
has a tilting screen
has image stabilization (Sensor based 5-axis)
sensor size is large (Medium format)
saves RAW files
includes touch focus
environment proof
more heavy than average in class (900 grams)
79
screen tilts up and down
has image stabilization (Sensor based 5-axis)
big sensor size (Full frame)
delivers RAW formats
offers touch to focus
environment sealing
above average high ISO (32,000)
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Sports Comparison

Fujifilm GFX 100S as a Sports photography camera
Sony a1 as a Sports photography camera
91
silent shutter (1/16,000s)
has image stabilization (Sensor based 5-axis)
megapixel count excellent (102 megapixels)
sensor size is large (Medium format)
includes tracking focus
environment proof
has phase detect autofocus
max fps very slow (5.0 frames/s)
91
max shutter speed is good (1/8,000s)
silent shutter (1/32,000s)
fast continuous shooting (30.0 frames/s)
has image stabilization (Sensor based 5-axis)
great MP (50MP)
big sensor size (Full frame)
has tracking autofocus
environment sealing
great battery life (530 per charge)
sensor has phase detect AF
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Travel Comparison

Fujifilm GFX 100S Travel photography info
Sony a1 Travel photography info
67
environment proof
supports bluetooth
includes touch focus
megapixel count excellent (102MP)
more heavy than average in class (900 grams)
doesn't have a selfie friendly screen
74
great battery life (530 shots)
environment sealing
supports bluetooth
offers touch to focus
great MP (50 megapixels)
screen is not selfie friendly
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Landscape Comparison

Fujifilm GFX 100S Landscape photography info
Sony a1 Landscape photography info
93
you can focus manually
swap lenses (Fujifilm G mount)
screen is a decent size (3.2 inches)
has image stabilization (Sensor based 5-axis)
megapixel count excellent (102 megapixels)
sensor size is large (Medium format)
saves RAW files
environment proof
two card slots
88
focusing manually
change lenses (Sony E mount)
decent sized screen (3")
has image stabilization (Sensor based 5-axis)
great MP (50MP)
big sensor size (Full frame)
above average high ISO (32,000)
delivers RAW formats
environment sealing
great battery life (530 shots)
two card slots
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Vlogging Comparison

Fujifilm GFX 100S Vlogging features
Sony a1 Vlogging features
34
touch screen
has image stabilization (Sensor based 5-axis)
includes face detect autofocus
great video quality (4096 x 2160 pixels)
has microphone socket
doesn't have a selfie friendly screen
more heavy than average in class (900g)
37
has touchscreen
has image stabilization (Sensor based 5-axis)
has face detection focusing
high quality video (7680 x 4320 resolution)
includes external mic socket
screen is not selfie friendly
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Fujifilm GFX 100S vs Sony a1 Specifications

Detailed spec comparison table for Fujifilm GFX 100S and Sony a1
 Fujifilm GFX 100SSony Alpha a1
General Information
Make FujiFilm Sony
Model type Fujifilm GFX 100S Sony Alpha a1
Type Pro Mirrorless Pro Mirrorless
Released 2021-01-27 2021-01-26
Physical type SLR-style mirrorless SLR-style mirrorless
Sensor Information
Sensor type BSI-CMOS BSI-CMOS
Sensor size Medium format Full frame
Sensor dimensions 44 x 33mm 35.9 x 24mm
Sensor surface area 1,452.0mm² 861.6mm²
Sensor resolution 102MP 50MP
Anti alias filter
Aspect ratio 1:1, 5:4, 4:3, 3:2 and 16:9 1:1, 4:3, 3:2 and 16:9
Peak resolution 11648 x 8736 8640 x 5760
Highest native ISO 12800 32000
Highest enhanced ISO 102400 102400
Minimum native ISO 100 100
RAW files
Minimum enhanced ISO 50 50
Autofocusing
Focus manually
Touch to focus
Autofocus continuous
Single autofocus
Autofocus tracking
Selective autofocus
Center weighted autofocus
Multi area autofocus
Autofocus live view
Face detection focus
Contract detection focus
Phase detection focus
Total focus points 425 759
Lens
Lens mount type Fujifilm G Sony E
Number of lenses 13 133
Focal length multiplier 0.8 1
Screen
Screen type Tilting Tilting
Screen sizing 3.2 inch 3 inch
Screen resolution 2,360 thousand dots 1,440 thousand dots
Selfie friendly
Liveview
Touch display
Viewfinder Information
Viewfinder type Electronic Electronic
Viewfinder resolution 3,690 thousand dots 9,437 thousand dots
Viewfinder coverage 100% 100%
Viewfinder magnification 0.77x 0.9x
Features
Minimum shutter speed 30 secs 30 secs
Fastest shutter speed 1/4000 secs 1/8000 secs
Fastest silent shutter speed 1/16000 secs 1/32000 secs
Continuous shutter rate 5.0 frames per sec 30.0 frames per sec
Shutter priority
Aperture priority
Manually set exposure
Exposure compensation Yes Yes
Set white balance
Image stabilization
Integrated flash
Flash distance no built-in flash no built-in flash
Flash settings no built-in flash Flash off, Autoflash, Fill-flash, Slow Sync., Rear Sync., Red-eye reduction, Wireless, Hi-speed sync
External flash
AE bracketing
WB bracketing
Fastest flash synchronize 1/125 secs 1/400 secs
Exposure
Multisegment metering
Average metering
Spot metering
Partial metering
AF area metering
Center weighted metering
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 7680x4320 (30p, 25p, 23.98)
Highest video resolution 4096x2160 7680x4320
Video data format MPEG-4, H.264, H.265 XAVC S, XAVC HS, H.264, H.265
Mic port
Headphone port
Connectivity
Wireless Built-In Built-In
Bluetooth
NFC
HDMI
USB USB 3.2 Gen 1 (5 GBit/sec) Yes
GPS None None
Physical
Environmental sealing
Water proofing
Dust proofing
Shock proofing
Crush proofing
Freeze proofing
Weight 900g (1.98 lb) 737g (1.62 lb)
Dimensions 150 x 104 x 87mm (5.9" x 4.1" x 3.4") 129 x 97 x 70mm (5.1" x 3.8" x 2.8")
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 460 images 530 images
Battery type Battery Pack Battery Pack
Battery ID NP-W235 NP-FZ100
Self timer Yes Yes
Time lapse shooting
Type of storage Dual SD/SDHC/SDXC cards (UHS-II supported) Dual SD/CFexpress Type A slots (UHS-II supported)
Card slots Dual Dual
Cost at release $5,999 $6,498