Sony RX100 VI vs Pentax K-3 III

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Sony RX100 VI vs Pentax K-3 III

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1 inch 116.2mm²
20.1 megapixels
24.00mm - 200.00mm (35mm eq.)

Go in depth with our full Sony RX100 VI Review.
See real-world photos taken with the RX100 VI.

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 Sony RX100 VII
Compare RX100 VI vs RX100 VII
Compare Sony RX100 VII vs Pentax K-3 III

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Differences

Sony RX100 VI advantages over Pentax K-3 III

Less expensive
$699* vs $2344
Save money for lenses or accessories
In-camera panoramas
Yes vs No
Stitches multiple shots into a panoramic photo
Tiltable Screen
Tiltable vs Fixed
Tilt the screen for shooting flexbility
NFC
Yes vs No
Simplifies pairing your camera with supported phones
On-sensor phase detect
Yes vs No
Usually improves live view and video AF performance
Internal flash
Internal flash vs None
Useful in a pinch for fill flash
Thinner
42 mm vs 73 mm
Thinner
Higher max flash sync
1/2000 vs 1/200 sec
Reduce the effect of ambient light in flash shots
Lighter weight
301g vs 820g
Lighter weight
Faster JPEG shooting
23.8 fps vs 12.0 fps
Faster JPEG shooting (burst mode)
Bigger JPEG buffer
229 vs 30 shots
Take more JPEG shots before waiting (burst mode)
Slow-motion videos
Yes vs No
Shoot slow-motion videos
Faster shutter
1/32000 vs 1/8000 sec
Shoot wide open in bright light

Pentax K-3 III advantages over Sony RX100 VI

Larger sensor
APS-C vs 1 inch
More sensor area. Bigger is (generally) better.
Bigger pixels
~ 3.76 vs 2.41 microns
Better low-light and dynamic range (all else equal)
High resolution composite
Yes vs No
Combine multiple shots to form a super hi-res version
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 240 shots
Capture more photos
Top deck display
Yes vs No
Check settings with a screen on top of the camera
External Mic Jack
Jack vs No jack
Improved sound fidelity when shooting video
Newer
4 years vs 6 years old
Newer cameras often support more advanced features
Higher-res screen
540k vs 307k pixels
More detail on the screen lets you judge focus and composition
Hot shoe
Hot shoe vs None
Off-camera flashes open new possibilities
More viewfinder magnification
1.05x vs 0.59x
Get a bigger view of the scene through the eye-level viewfinder
More pixels
25.7 vs 20.1 megapixels
Higher resolution photos
Dual card slots
Yes vs No
Gives you more storage flexibility
Headphone jack
Yes vs No
Monitor audio recording while you shoot video
Optional anti-aliasing filter
Optional vs Fixed
Lets you choose sharper photos or reduced moiré
Higher extended ISO
1600000 vs 25600 ISO
Higher extended ISO can give more low-light flexibility

Similarities

Common Strengths

Rear display
Both provide
Review photos on the back of the camera
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
In-Camera Image Stabilization
Both provide
Reduces the effects of camera shake at slower shutter speeds
Shoot 4K video
Both provide
Make sure you have a fast computer
Touchscreen
Both provide
Interact with your camera just like your smartphone
RAW file ability
Both provide
Gives you more flexibility to develop your photos later
Built-in Wi-Fi
Both provide
Share your photos wirelessly
Built-in Bluetooth
Both provide
Always-on wireless connectivity
Manual focus
Both provide
AF is for the weak. Real photographers focus manually.
HDMI out
Both provide
Use HDMI output to monitor or review 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
Built-in GPS
Neither provide
Geotag your photos
Integrated ND filter
Neither provide
Shoot in daylight with a large aperture or slow shutter

User reviews

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Read K-3 III User Reviews

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Body Only
Kit with 20-40mm F2.8-4 Lens
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Review Excerpt

We haven’t finished our review of the Sony RX100 VI, but we have extensive sample photos and a hands-on report.
Read our Sony RX100 VI Shooter's Report

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 Panasonic ZS100

Sony RX100 VI

Panasonic ZS100

$949
1 inch

Slower slow-motion
Tiltable Screen

$498
1 inch

Less expensive
More telephoto lens reach

Compare Sony RX100 VI vs Panasonic ZS100

Pentax K-3 III

Panasonic ZS100

$1847
APS-C

Larger sensor
Bigger pixels

$498
1 inch

Less expensive
In-camera panoramas

Compare Pentax K-3 III vs Panasonic ZS100

Compared to Pentax KP

Sony RX100 VI

Pentax KP

$949
1 inch

Less expensive
Shoot 4K video

$999
APS-C

Larger sensor
Bigger pixels

Compare Sony RX100 VI 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 Panasonic ZS200

Sony RX100 VI

Panasonic ZS200

$949
1 inch

Slower slow-motion
Larger lens aperture

$648
1 inch

More telephoto lens reach
Longer stills battery life

Compare Sony RX100 VI vs Panasonic ZS200

Pentax K-3 III

Panasonic ZS200

$1847
APS-C

Larger sensor
Bigger pixels

$648
1 inch

Less expensive
In-camera panoramas

Compare Pentax K-3 III vs Panasonic ZS200

Compared to Sony RX100 VII

Sony RX100 VI

Sony RX100 VII

$949
1 inch

Less expensive
Faster JPEG shooting

$1298
1 inch

External Mic Jack

Compare Sony RX100 VI vs Sony RX100 VII

Pentax K-3 III

Sony RX100 VII

$1847
APS-C

Larger sensor
Bigger pixels

$1298
1 inch

Less expensive
In-camera panoramas

Compare Pentax K-3 III vs Sony RX100 VII

Compared to Canon 90D

Sony RX100 VI

Canon 90D

$949
1 inch

Less expensive
Slower slow-motion

$1099
APS-C

Tilt-swivel screen
Larger sensor

Compare Sony RX100 VI 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

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