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Fujifilm GFX 100S vs Sony A7S

Portability
55
Imaging
95
Features
85
Overall
91
Fujifilm GFX 100S front
 
Sony Alpha A7S front
Portability
77
Imaging
60
Features
73
Overall
65

Fujifilm GFX 100S vs Sony A7S Key Specs

Fujifilm GFX 100S
(Full Review)
  • 102MP - Medium format Sensor
  • 3.2" Tilting Screen
  • ISO 100 - 12800 (Boost to 102400)
  • Sensor based 5-axis Image Stabilization
  • 4096 x 2160 video
  • Fujifilm G Mount
  • 900g - 150 x 104 x 87mm
  • Introduced January 2021
Sony A7S
(Full Review)
  • 12MP - Full frame Sensor
  • 3" Tilting Screen
  • ISO 100 - 409600
  • 1/8000s Max Shutter
  • 3840 x 2160 video
  • Sony E Mount
  • 489g - 127 x 94 x 48mm
  • Launched April 2014
  • Newer Model is Sony A7S II
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Fujifilm GFX 100S vs Sony A7S Overview

Here, we will be reviewing the Fujifilm GFX 100S and Sony A7S, both Pro Mirrorless digital cameras by rivals FujiFilm and Sony. There is a crucial difference between the resolutions of the Fujifilm GFX 100S (102MP) and A7S (12MP) and the Fujifilm GFX 100S (Medium format) and A7S (Full frame) provide totally different sensor measurements.

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The Fujifilm GFX 100S was unveiled 6 years later than the A7S and that is quite a serious gap as far as tech is concerned. Each of the cameras feature the same body design (SLR-style mirrorless).

Before going straight to a in depth comparison, here is a simple highlight of how the Fujifilm GFX 100S matches up versus the A7S in terms of portability, imaging, features and an overall rating.

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Reasons to pick Fujifilm GFX 100S over the Sony A7S

 Fujifilm GFX 100S A7S 
LaunchedJanuary 2021April 2014Fresher by 83 months
Screen size3.2"3"Bigger screen (+0.2")
Screen resolution2360k1230kCrisper screen (+1130k dot)
Touch friendly screen Quickly navigate

Reasons to pick Sony A7S over the Fujifilm GFX 100S

 A7S Fujifilm GFX 100S 

Common features in the Fujifilm GFX 100S and Sony A7S

 Fujifilm GFX 100S A7S 
Manually focus Dial precise focus
Screen typeTiltingTiltingTilting screen
Selfie screen No selfie screen

Fujifilm GFX 100S vs Sony A7S Physical Comparison

If you're going to carry your camera frequently, you need to take into account its weight and measurements. The Fujifilm GFX 100S has external measurements of 150mm x 104mm x 87mm (5.9" x 4.1" x 3.4") along with a weight of 900 grams (1.98 lbs) and the Sony A7S has proportions of 127mm x 94mm x 48mm (5.0" x 3.7" x 1.9") with a weight of 489 grams (1.08 lbs).

Check out the Fujifilm GFX 100S and Sony A7S in the latest Camera with Lens Size Comparison Tool. Camera Size Comparison with Lenses

Take into consideration, the weight of an Interchangeable Lens Camera will change based on the lens you use during that time. Underneath is a front view proportions comparison of the Fujifilm GFX 100S and the A7S.

Fujifilm GFX 100S vs Sony A7S size comparison

Considering size and weight, the portability grade of the Fujifilm GFX 100S and A7S is 55 and 77 respectively.

Fujifilm GFX 100S vs Sony A7S top view buttons comparison

Fujifilm GFX 100S vs Sony A7S Sensor Comparison

Oftentimes, it is very difficult to envision the gap between sensor sizing only by reading through a spec sheet. The photograph here will help offer you a much better sense of the sensor sizing in the Fujifilm GFX 100S and A7S.

Clearly, both of these cameras come with different megapixels and different sensor sizing. The Fujifilm GFX 100S having a bigger sensor will make achieving shallow depth of field less difficult and the Fujifilm GFX 100S will resolve greater detail having an extra 90MP. Higher resolution will make it easier to crop pictures a good deal more aggressively. The fresher Fujifilm GFX 100S is going to have an edge with regard to sensor technology.

Fujifilm GFX 100S vs Sony A7S sensor size comparison

Fujifilm GFX 100S vs Sony A7S Screen and ViewFinder

Fujifilm GFX 100S vs Sony A7S Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Fujifilm GFX 100S as a Portrait photography camera
Sony A7S as a Portrait photography camera
97
focusing manually
resolution is amazing (102 megapixels)
sensor size is great (Medium format)
comes with face detection focusing
exports RAW files
68
focusing manually
great sensor size (Full frame)
comes with face detection focusing
supports RAW formats
megapixel count low (12 megapixels)
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Street Comparison

Fujifilm GFX 100S Street photography details
Sony A7S Street photography details
74
screen tilts
built in image stabilization (Sensor based 5-axis)
sensor size is great (Medium format)
exports RAW files
boasts focus via touch
weather proofing
more heavy than average (900 grams)
76
has a tilting screen
great sensor size (Full frame)
supports RAW formats
weather sealing
lighter than competitors in class (489g)
very good high ISO (409,600)
lack of image stabilization
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Sports Comparison

Fujifilm GFX 100S as a Sports photography camera
Sony A7S as a Sports photography camera
91
quiet shutter (1/16,000 seconds)
built in image stabilization (Sensor based 5-axis)
resolution is amazing (102 megapixels)
sensor size is great (Medium format)
comes with tracking autofocus
weather proofing
sensor has phase detect AF
max frames per second very slow (5.0 fps)
52
great max shutter speed (1/8,000 seconds)
great sensor size (Full frame)
comes with tracking autofocus
weather sealing
max frames per second very slow (5.0 frames/s)
lack of image stabilization
megapixel count low (12 megapixels)
low battery pack (360 CIPA)
doesn't have phase detect AF
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Travel Comparison

Travel photography with Fujifilm GFX 100S
Travel photography with Sony A7S
67
weather proofing
supports bluetooth
boasts focus via touch
resolution is amazing (102 megapixels)
more heavy than average (900g)
doesn't contain selfie friendly display
58
lighter than competitors in class (489g)
weather sealing
low battery pack (360 shots)
megapixel count low (12MP)
does not have selfie friendly screen
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Landscape Comparison

Fujifilm GFX 100S Landscape photography factors
Sony A7S Landscape photography factors
93
focusing manually
switch lenses (Fujifilm G mount)
nice screen size (3.2 inches)
built in image stabilization (Sensor based 5-axis)
resolution is amazing (102MP)
sensor size is great (Medium format)
exports RAW files
weather proofing
has dual storage slots
66
focusing manually
change lenses (Sony E mount)
pretty good screen size (3")
great sensor size (Full frame)
very good high ISO (409,600)
supports RAW formats
weather sealing
lack of image stabilization
megapixel count low (12MP)
low battery pack (360 shots)
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Vlogging Comparison

Fujifilm GFX 100S as a Vlogging camera
Sony A7S as a Vlogging camera
34
has touchscreen
built in image stabilization (Sensor based 5-axis)
comes with face detection focusing
video res high (4096 x 2160 pxls)
includes external microphone jack
doesn't contain selfie friendly display
more heavy than average (900 grams)
34
comes with face detection focusing
high res video (3840 x 2160 resolution)
includes external mic port
lighter than competitors in class (489g)
does not have selfie friendly screen
lack of image stabilization
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Fujifilm GFX 100S vs Sony A7S Specifications

Detailed spec comparison table for Fujifilm GFX 100S and Sony A7S
 Fujifilm GFX 100SSony Alpha A7S
General Information
Brand Name FujiFilm Sony
Model type Fujifilm GFX 100S Sony Alpha A7S
Class Pro Mirrorless Pro Mirrorless
Introduced 2021-01-27 2014-04-06
Body design SLR-style mirrorless SLR-style mirrorless
Sensor Information
Chip - Bionz X
Sensor type BSI-CMOS CMOS
Sensor size Medium format Full frame
Sensor dimensions 44 x 33mm 35.8 x 23.9mm
Sensor area 1,452.0mm² 855.6mm²
Sensor resolution 102 megapixels 12 megapixels
Anti alias filter
Aspect ratio 1:1, 5:4, 4:3, 3:2 and 16:9 3:2 and 16:9
Peak resolution 11648 x 8736 4240 x 2832
Highest native ISO 12800 409600
Highest enhanced ISO 102400 -
Min native ISO 100 100
RAW format
Min enhanced ISO 50 -
Autofocusing
Focus manually
AF touch
Continuous AF
AF single
Tracking AF
Selective AF
Center weighted AF
AF multi area
AF live view
Face detection focusing
Contract detection focusing
Phase detection focusing
Total focus points 425 25
Lens
Lens mount type Fujifilm G Sony E
Amount of lenses 13 121
Crop factor 0.8 1
Screen
Screen type Tilting Tilting
Screen diagonal 3.2 inches 3 inches
Screen resolution 2,360k dot 1,230k dot
Selfie friendly
Liveview
Touch capability
Viewfinder Information
Viewfinder type Electronic Electronic
Viewfinder resolution 3,690k dot 2,359k dot
Viewfinder coverage 100 percent 100 percent
Viewfinder magnification 0.77x 0.71x
Features
Min shutter speed 30s 30s
Max shutter speed 1/4000s 1/8000s
Max silent shutter speed 1/16000s -
Continuous shutter speed 5.0fps 5.0fps
Shutter priority
Aperture priority
Expose Manually
Exposure compensation Yes Yes
Custom WB
Image stabilization
Inbuilt flash
Flash distance no built-in flash no built-in flash
Flash modes no built-in flash no built-in flash
Hot shoe
AE bracketing
White balance bracketing
Max flash sync 1/125s -
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 3840 x 2160, XAVC S 1080 60p(50Mbps), 30p (50Mbps), 24p (50Mbps). 720 120p (50Mbps). AVCHD 60p (28Mbps), 60i (24Mbps/17Mbps), 24p (24Mbps/17Mbps)
Highest video resolution 4096x2160 3840x2160
Video data format MPEG-4, H.264, H.265 MPEG-4, AVCHD, XAVC
Mic jack
Headphone jack
Connectivity
Wireless Built-In Built-In
Bluetooth
NFC
HDMI
USB USB 3.2 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 900 grams (1.98 lb) 489 grams (1.08 lb)
Physical dimensions 150 x 104 x 87mm (5.9" x 4.1" x 3.4") 127 x 94 x 48mm (5.0" x 3.7" x 1.9")
DXO scores
DXO Overall rating not tested 87
DXO Color Depth rating not tested 23.9
DXO Dynamic range rating not tested 13.2
DXO Low light rating not tested 3702
Other
Battery life 460 photographs 360 photographs
Battery form Battery Pack Battery Pack
Battery ID NP-W235 NP-FW50
Self timer Yes Yes (2 or 10 sec; continuous (3 or 5 exposures))
Time lapse shooting With downloadable app
Type of storage Dual SD/SDHC/SDXC cards (UHS-II supported) SD/SDHC/SDXC, Memory Stick Duo/Pro Duo/Pro-HG Duo
Storage slots 2 Single
Price at release $5,999 $1,998