• APS-C 368.2mm2
  • 14.6 megapixels
  • ISO 100 - 3200
  • 1 inch 116.2mm2
  • 20.1 megapixels
  • 24.00mm - 200.00mm (35mm eq.)

Buy From

Differences

Pentax K20D advantages over Sony RX100 VI

  • Larger sensor
    APS-C vs 1 inch
    More sensor area. Bigger is (generally) better.
  • Bigger pixels
    ~ 5.05 vs 2.41 microns
    Better low-light and dynamic range (all else equal)
  • Fast startup
    ~0.40 vs 2.0 sec
    Faster startup lets you catch the moment
  • Longer stills battery life
    More info 530 vs 240 shots
    Capture more photos
  • Top deck display
    Yes vs No
    Check settings with a screen on top of the camera
  • Hot shoe
    Hot shoe vs None
    Off-camera flashes open new possibilities

Sony RX100 VI advantages over Pentax K20D

  • Focus peaking
    Peaker vs Non-peaker
    Your camera will highlight what's in focus
  • Shoot 4K video
    4K (UHD) vs No
    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 70 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 17 years old
    Newer cameras often support more advanced features
  • HDMI out
    HDMI out vs None
    Use HDMI output to monitor or review video
  • Shoots 24p video
    Yes vs No
    Gives your movies a big-screen feel
  • Lighter weight
    301g vs 802g
    Lighter weight
  • 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 14.6 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 2.8 fps
    Faster JPEG shooting (burst mode)
  • Bigger JPEG buffer
    229 vs 38 shots
    Take more JPEG shots before waiting (burst mode)
  • Slow-motion videos
    Yes vs No
    Shoot slow-motion videos
  • Faster shutter
    1/32000 vs 1/4000 sec
    Shoot wide open in bright light
  • Higher extended ISO
    25600 vs 6400 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
  • 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

Buy From

Your purchases support this site

Buy the Pentax K20D

Your purchases support this site

Buy the Sony RX100 VI
Sony RX100 VI
All RX100 VI Deals

Review Excerpt

The Competition

Compared to Samsung GX-20

Pentax K20D
Samsung GX-20
  • $800
  • APS-C
  • Less expensive
  • $1400
  • APS-C
  • Higher effective ISO

Compare Pentax K20D vs Samsung GX-20

Sony RX100 VI
Samsung GX-20
  • $949
  • 1 inch
  • Focus peaking
  • Shoot 4K video
  • $1400
  • APS-C
  • Larger sensor
  • Bigger pixels

Compare Sony RX100 VI vs Samsung GX-20

Compared to Sony DSLR-A380

Pentax K20D
Sony DSLR-A380
  • $800
  • APS-C
  • Lens selection
  • Fast startup
  • $849
  • APS-C
  • Tiltable Screen
  • HDMI out

Compare Pentax K20D 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 K20D
Pentax K-7
  • $800
  • APS-C
  • Less expensive
  • Fast startup
  • $1300
  • APS-C
  • Longer stills battery life
  • HDMI out

Compare Pentax K20D 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 Panasonic ZS100

Pentax K20D
Panasonic ZS100
  • $800
  • APS-C
  • Larger sensor
  • Bigger pixels
  • $498
  • 1 inch
  • Focus peaking
  • Shoot 4K video

Compare Pentax K20D 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 K20D
Sony RX100 VII
  • $800
  • APS-C
  • Larger sensor
  • Bigger pixels
  • $1298
  • 1 inch
  • Focus peaking
  • Shoot 4K video

Compare Pentax K20D 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

Compare Other Cameras?