Pentax K-x vs Sony RX100 VI

Cameras
Compare Cameras
Pentax K-x vs Sony RX100 VI

APS-C 369.7mm²
12.4 megapixels
ISO 200 - 6400

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

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.

Succeeded by the Pentax K-r
Compare K-x vs K-r

Succeeded by the Sony RX100 VII
Compare RX100 VI vs RX100 VII

Compare PENTAX K-R vs SONY RX100 VII

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Differences

Pentax K-x advantages over Sony RX100 VI

Larger sensor
APS-C vs 1 inch
More sensor area. Bigger is (generally) better.
Bigger pixels
~ 5.53 vs 2.41 microns
Better low-light and dynamic range (all else equal)
Fast startup
~0.60 vs 2.0 sec
Faster startup lets you catch the moment
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

420 vs 240 shots
Capture more photos
Hot shoe
Hot shoe vs None
Off-camera flashes open new possibilities

Sony RX100 VI advantages over Pentax K-x

Focus peaking
Peaker vs Non-peaker
Your camera will highlight what's in focus
Shoot 4K video
4K (UHD) vs 720p
Make sure you have a fast computer
Touchscreen
Touch vs No touch
Interact with your camera just like your smartphone
In-camera panoramas
Yes vs No
Stitches multiple shots into a panoramic photo
Tiltable Screen
Tiltable vs Fixed
Tilt the screen for shooting flexbility
Built-in Wi-Fi
Wi-Fi vs None
Share your photos wirelessly
NFC
Yes vs No
Simplifies pairing your camera with supported phones
Built-in Bluetooth
Yes vs No
Always-on wireless connectivity
On-sensor phase detect
Yes vs No
Usually improves live view and video AF performance
Thinner
42 mm vs 69 mm
Thinner
Higher max flash sync
1/2000 vs 1/180 sec
Reduce the effect of ambient light in flash shots
Newer
6 years vs 15 years old
Newer cameras often support more advanced features
HDMI out
HDMI out vs None
Use HDMI output to monitor or review video
More dots on screen
922k vs 230k dots
Can mean greater resolution or a brighter screen
Shoots 1080p video
Yes vs No
You'll want this if you shoot video
More pixels
20.1 vs 12.4 megapixels
Higher resolution photos
Shoots 60p video
Yes vs No
A faster framerate can give you more editing options
Faster JPEG shooting
23.8 fps vs 4.3 fps
Faster JPEG shooting (burst mode)
Bigger JPEG buffer
229 vs 25 shots
Take more JPEG shots before waiting (burst mode)
Slow-motion videos
Yes vs No
Shoot slow-motion videos
Faster shutter
1/32000 vs 1/6000 sec
Shoot wide open in bright light
Higher extended ISO
25600 vs 12800 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
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
RAW file ability
Both provide
Gives you more flexibility to develop your photos later
Internal flash
Both provide
Useful in a pinch for fill flash
Manual focus
Both provide
AF is for the weak. Real photographers focus manually.
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
Top deck display
Neither provide
Check settings with a screen on top of the camera
Integrated ND filter
Neither provide
Shoot in daylight with a large aperture or slow shutter
External Mic Jack
Neither provide
Improved sound fidelity when shooting video
Dual card slots
Neither provide
Gives you more storage flexibility
Headphone jack
Neither provide
Monitor audio recording while you shoot video

User reviews

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Read K-x User Reviews

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Sony RX100 VI

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Review Excerpt

Read our Pentax K-x Full Review

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

The Competition

Compared to Sony DSLR-A380

Pentax K-x

Sony DSLR-A380

$702
APS-C

Lens selection
Less expensive

$849
APS-C

Tiltable Screen
HDMI out

Compare Pentax K-x vs Sony DSLR-A380

Sony RX100 VI

Sony DSLR-A380

$949
1 inch

Focus peaking
Shoot 4K video

$849
APS-C

Larger sensor
Bigger pixels

Compare Sony RX100 VI vs Sony DSLR-A380

Compared to Pentax K-7

Pentax K-x

Pentax K-7

$702
APS-C

Less expensive
Higher effective ISO

$1300
APS-C

Longer stills battery life
Top deck display

Compare Pentax K-x vs Pentax K-7

Sony RX100 VI

Pentax K-7

$949
1 inch

Focus peaking
Shoot 4K video

$1300
APS-C

Larger sensor
Bigger pixels

Compare Sony RX100 VI vs Pentax K-7

Compared to Pentax K-r

Pentax K-x

Pentax K-r

$702
APS-C

Less expensive
Shoots 24p video

$850
APS-C

Fast startup
External Mic Jack

Compare Pentax K-x vs Pentax K-r

Sony RX100 VI

Pentax K-r

$949
1 inch

Focus peaking
Shoot 4K video

$850
APS-C

Larger sensor
Bigger pixels

Compare Sony RX100 VI vs Pentax K-r

Compared to Panasonic ZS100

Pentax K-x

Panasonic ZS100

$702
APS-C

Larger sensor
Bigger pixels

$498
1 inch

Focus peaking
Shoot 4K video

Compare Pentax K-x vs 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

Compared to Sony RX100 VII

Pentax K-x

Sony RX100 VII

$702
APS-C

Larger sensor
Bigger pixels

$1298
1 inch

Focus peaking
Shoot 4K video

Compare Pentax K-x vs 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

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