• APS-C 366.6mm2
  • 24.4 megapixels
  • ISO 100 - 51,200
  • 1 inch 116.2mm2
  • 20.1 megapixels
  • 24.00mm - 70.00mm (35mm eq.)

Buy From

Differences

Pentax K-3 II advantages over Sony RX100 V

  • Larger sensor
    APS-C vs 1 inch
    More sensor area. Bigger is (generally) better.
  • Less expensive
    $830 vs $998
    Save money for lenses or accessories
  • Bigger pixels
    ~ 3.91 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
  • Fast startup
    ~1.20 vs 2.0 sec
    Faster startup lets you catch the moment
  • Higher effective ISO
    1,106 vs 586 iso
    Take photos in low light with less noise
  • Built-in GPS
    GPS vs None
    Geotag your photos
  • Longer stills battery life
    More info 720 vs 220 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
  • Hot shoe
    Hot shoe vs None
    Off-camera flashes open new possibilities
  • More pixels
    24.4 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
    51200 vs 25600 ISO
    Higher extended ISO can give more low-light flexibility

Sony RX100 V advantages over Pentax K-3 II

  • Shoot 4K video
    4K (UHD) vs 1080p
    Make sure you have a fast computer
  • 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
  • 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
  • Integrated ND filter
    Yes vs No
    Shoot in daylight with a large aperture or slow shutter
  • Thinner
    41 mm vs 77 mm
    Thinner
  • Higher max flash sync
    1/2000 vs 1/180 sec
    Reduce the effect of ambient light in flash shots
  • Lighter weight
    299g vs 785g
    Lighter weight
  • Faster JPEG shooting
    23.8 fps vs 8.1 fps
    Faster JPEG shooting (burst mode)
  • Bigger JPEG buffer
    150 vs 60 shots
    Take more JPEG shots before waiting (burst mode)
  • Faster RAW shooting
    24.1 fps vs 8.2 fps
    Faster RAW shooting in burst mode
  • Bigger RAW buffer
    72 vs 22 shots
    Larger buffer for RAW shots (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

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
  • RAW file ability
    Both provide
    Gives you more flexibility to develop your photos later
  • 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
  • Touchscreen
    Neither provide
    Interact with your camera just like your smartphone
  • Built-in Bluetooth
    Neither provide
    Always-on wireless connectivity

User reviews

Buy From

Review Excerpt

  • Top-notch image quality; Spectacular detail from Pixel Shift Resolution; Better performance than K-3; Geotag images with no accessories; Great ergonomics in a compact body; Clever on-demand low-pass filtering; Broad sensitivity range; Large and bright viewfinder for an APS-C camera; Dual card slots

  • No built-in flash strobe; No wireless flash support out of the box; AstroTracer function can be finicky; AE Lock button is poorly located; Below-average battery life for a prosumer DSLR; Requires a different battery grip accessory than its predecessors

  • Pocket-friendly design; Unbelievably fast burst capture; Generous buffer depth, even for raw; Fast and confident autofocus; Very high resolution gives lots of detail in good light; High ISO noise levels much better than most pocket camera rivals; High-quality 4K video with uncompressed HDMI out; Super-fast High Frame Rate video

  • Very pricey for a compact camera; Still no touch screen; Slow buffer clearing; JPEGs can look over-processed at higher ISOs; Lens doesn't offer much telephoto reach; Battery life is very modest; 4K movies are limited to five minute clips

The Competition

Compared to Canon T6i

Pentax K-3 II
Canon T6i
  • $830
  • APS-C
  • Focus peaking
  • Larger sensor
  • $699
  • APS-C
  • Less expensive
  • Tilt-swivel screen
Sony RX100 V
Canon T6i
  • $998
  • 1 inch
  • Focus peaking
  • In-Camera Image Stabilization
  • $699
  • APS-C
  • Less expensive
  • Tilt-swivel screen

Compared to Sony RX100 IV

Pentax K-3 II
Sony RX100 IV
  • $830
  • APS-C
  • Larger sensor
  • Bigger pixels
  • $898
  • 1 inch
  • Shoot 4K video
  • In-camera panoramas
Sony RX100 V
Sony RX100 IV
  • $998
  • 1 inch
  • On-sensor phase detect
  • Faster JPEG shooting
  • $898
  • 1 inch
  • Longer stills battery life

Compared to Pentax KP

Pentax K-3 II
Pentax KP
  • $830
  • APS-C
  • Less expensive
  • Built-in GPS
  • $999
  • APS-C
  • Tiltable Screen
  • Built-in Wi-Fi
Sony RX100 V
Pentax KP
  • $998
  • 1 inch
  • Shoot 4K video
  • In-camera panoramas
  • $999
  • APS-C
  • Larger sensor
  • Bigger pixels

Compared to Canon T7i

Pentax K-3 II
Canon T7i
  • $830
  • APS-C
  • Focus peaking
  • Larger sensor
  • $700
  • APS-C
  • Tilt-swivel screen
  • Touchscreen
Sony RX100 V
Canon T7i
  • $998
  • 1 inch
  • Focus peaking
  • In-Camera Image Stabilization
  • $700
  • APS-C
  • Tilt-swivel screen
  • Larger sensor

Compared to Sony RX100 VA

Pentax K-3 II
Sony RX100 VA
  • $830
  • APS-C
  • Less expensive
  • Larger sensor
  • $998
  • 1 inch
  • Shoot 4K video
  • In-camera panoramas
Sony RX100 V
Sony RX100 VA
  • $998
  • 1 inch
  • $998
  • 1 inch
  • Bigger JPEG buffer
  • Bigger RAW buffer
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