Fujifilm GFX 50S vs Pentax K-3 III

Cameras
Compare Cameras
Fujifilm GFX 50S vs Pentax K-3 III

Leave Feedback

Medium format 1,441.0mm²
51.4 megapixels
ISO 100 - 12,800

Go in depth with our full Fujifilm GFX 50S Review.
How does it shoot? Fujifilm GFX 50S in the real world.
See real-world photos taken with the GFX 50S.
Compare Fujifilm GFX 50S image quality against competitors.
What’s the bottom line? Read our Fujifilm GFX 50S conclusion.

APS-C 361.2mm²
25.7 megapixels
ISO 100 - 1,600,000

Go in depth with our full Pentax K-3 III Review.
See real-world photos taken with the K-3 III.

Succeeded by the Fujifilm GFX 50S II

Buy From

Differences

Fujifilm GFX 50S advantages over Pentax K-3 III

Larger sensor
Medium format vs APS-C
More sensor area. Bigger is (generally) better.
Bigger pixels
~ 5.31 vs 3.76 microns
Better low-light and dynamic range (all else equal)
Tiltable Screen
Tiltable vs Fixed
Tilt the screen for shooting flexbility
More dots on screen
2360k vs 1620k dots
Can mean greater resolution or a brighter screen
More pixels
51.4 vs 25.7 megapixels
Higher resolution photos
Longer exposure
3600 vs 30 sec
Long exposures for night shots
Faster shutter
1/16000 vs 1/8000 sec
Shoot wide open in bright light

Pentax K-3 III advantages over Fujifilm GFX 50S

Less expensive
$2344 vs $4895*
Save money for lenses or accessories
In-Camera Image Stabilization
Yes vs No
Reduces the effects of camera shake at slower shutter speeds
Shoot 4K video
4K (UHD) vs 1080p
Make sure you have a fast computer
High resolution composite
Yes vs No
Combine multiple shots to form a super hi-res version
Built-in Bluetooth
Yes vs No
Always-on wireless connectivity
Longer stills battery life
More info

Longer stills battery life

Cameras with longer battery life can take more photos before exhausting their batteries.

Special note: The measurement standard for battery life stipulates that if a camera has an internal flash, it must be used for 50% of photos taken. For this reason, comparisons of one camera with an internal flash to another without will not be comparable

800 vs 400 shots
Capture more photos
Higher max flash sync
1/200 vs 1/125 sec
Reduce the effect of ambient light in flash shots
Newer
4 years vs 8 years old
Newer cameras often support more advanced features
More viewfinder magnification
1.05x vs 0.85x
Get a bigger view of the scene through the eye-level viewfinder
Shoots 60p video
Yes vs No
A faster framerate can give you more editing options
Optional anti-aliasing filter
Optional vs None
Lets you choose sharper photos or reduced moiré
Faster JPEG shooting
12.0 fps vs 3.0 fps
Faster JPEG shooting (burst mode)
Higher extended ISO
1600000 vs 102400 ISO
Higher extended ISO can give more low-light flexibility

Similarities

Common Strengths

Focus peaking
Both provide
Your camera will highlight what's in focus
Eye-level viewfinder
Both provide
You'll be able to frame photos even when the sun is out
Touchscreen
Both provide
Interact with your camera just like your smartphone
Built-in Wi-Fi
Both provide
Share your photos wirelessly
Top deck display
Both provide
Check settings with a screen on top of the camera
External Mic Jack
Both provide
Improved sound fidelity when shooting video
HDMI out
Both provide
Use HDMI output to monitor or review video
Hot shoe
Both provide
Off-camera flashes open new possibilities
Dual card slots
Both provide
Gives you more storage flexibility
Headphone jack
Both provide
Monitor audio recording while you shoot video
Bulb shutter
Both provide
Hold the shutter open manually for long exposures

Common Weaknesses

Tilt-swivel screen
Neither provide
Tilt and swivel the screen for maximum shooting flexibility
In-camera panoramas
Neither provide
Stitches multiple shots into a panoramic photo
NFC
Neither provide
Simplifies pairing your camera with supported phones
Built-in GPS
Neither provide
Geotag your photos
On-sensor phase detect
Neither provide
Usually improves live view and video AF performance
Internal flash
Neither provide
Useful in a pinch for fill flash
Slow-motion videos
Neither provide
Shoot slow-motion videos

User reviews

Amazon
Adorama
Read GFX 50S User Reviews

Amazon
Adorama
Read K-3 III User Reviews

Buy From

Your purchases support this site

Buy the Fujifilm GFX 50S

Body Only

All GFX 50S Deals

Your purchases support this site

Buy the Pentax K-3 III

Body Only

Body Only
Kit with 20-40mm F2.8-4 Lens
Kit with 55-300mm f/4.5-6.3 Lens

All K-3 III Deals

Review Excerpt

Fantastic image quality across the board; Excellent RAW dynamic range; Superb high ISO performance; Functional and user-friendly body; Robust weather-sealed construction; Detachable EVF; Tilting touchscreen; Very good lens quality.
Slow AF speeds; Performance can't compete with high-end full-frame cameras; Limited native lens selection so far; Expensive accessories; Unimpressive JPEG dynamic range; 1/125s maximum flash sync.
Read our Fujifilm GFX 50S Review

We haven’t finished our review of the Pentax K-3 III, but we have extensive sample photos and a hands-on report.
See our Pentax K-3 III First Shots

The Competition

Compared to Hasselblad X1D

Fujifilm GFX 50S

Hasselblad X1D

$5697
Medium format

Tiltable Screen
Top deck display

$4999
Medium format

Higher max flash sync

Compare Fujifilm GFX 50S vs Hasselblad X1D

Pentax K-3 III

Hasselblad X1D

$1847
APS-C

Less expensive
In-Camera Image Stabilization

$4999
Medium format

Larger sensor
Bigger pixels

Compare Pentax K-3 III vs Hasselblad X1D

Compared to Pentax KP

Fujifilm GFX 50S

Pentax KP

$5697
Medium format

Larger sensor
Bigger pixels

$999
APS-C

Less expensive
In-Camera Image Stabilization

Compare Fujifilm GFX 50S vs Pentax KP

Pentax K-3 III

Pentax KP

$1847
APS-C

Shoot 4K video
Touchscreen

$999
APS-C

Less expensive
Tiltable Screen

Compare Pentax K-3 III vs Pentax KP

Compared to Fujifilm GFX 50R

Fujifilm GFX 50S

Fujifilm GFX 50R

$5697
Medium format

Top deck display
More viewfinder magnification

$4599
Medium format

Less expensive
Built-in Bluetooth

Compare Fujifilm GFX 50S vs Fujifilm GFX 50R

Pentax K-3 III

Fujifilm GFX 50R

$1847
APS-C

Less expensive
In-Camera Image Stabilization

$4599
Medium format

Larger sensor
Bigger pixels

Compare Pentax K-3 III vs Fujifilm GFX 50R

Compared to Hasselblad X1D II

Fujifilm GFX 50S

Hasselblad X1D II

$5697
Medium format

Less expensive
Tiltable Screen

$5750
Medium format

Built-in GPS
Thinner

Compare Fujifilm GFX 50S vs Hasselblad X1D II

Pentax K-3 III

Hasselblad X1D II

$1847
APS-C

Less expensive
In-Camera Image Stabilization

$5750
Medium format

Larger sensor
Bigger pixels

Compare Pentax K-3 III vs Hasselblad X1D II

Compared to Canon 90D

Fujifilm GFX 50S

Canon 90D

$5697
Medium format

Focus peaking
Larger sensor

$1099
APS-C

Less expensive
Tilt-swivel screen

Compare Fujifilm GFX 50S vs Canon 90D

Pentax K-3 III

Canon 90D

$1847
APS-C

Focus peaking
In-Camera Image Stabilization

$1099
APS-C

Less expensive
Tilt-swivel screen

Compare Pentax K-3 III vs Canon 90D

Compare Other Cameras?