• APS-C 366.6mm2
  • 24.4 megapixels
  • ISO 100 - 51,200
  • 4/3 224.9mm2
  • 10.2 megapixels
  • ISO 160 - 51,200

Buy From

Differences

Pentax K-3 II advantages over Panasonic GH5S

  • Less expensive
    $830 vs $1998
    Save money for lenses or accessories
  • Larger sensor
    APS-C vs 4/3
    More sensor area. Bigger is (generally) better.
  • In-Camera Image Stabilization
    Yes vs No
    Reduces the effects of camera shake at slower shutter speeds
  • High resolution composite
    Yes vs No
    Combine multiple shots to form a super hi-res version
  • Built-in GPS
    GPS vs None
    Geotag your photos
  • Longer stills battery life
    More info 720 vs 440 shots
    Capture more photos
  • Top deck display
    Yes vs No
    Check settings with a screen on top of the camera
  • More pixels
    24.4 vs 10.2 megapixels
    Higher resolution photos
  • Optional anti-aliasing filter
    Optional vs None
    Lets you choose sharper photos or reduced moiré

Panasonic GH5S advantages over Pentax K-3 II

  • Tilt-swivel screen
    Tilt-swivel vs none
    Tilt and swivel the screen for maximum shooting flexibility
  • Bigger pixels
    ~ 4.51 vs 3.91 microns
    Better low-light and dynamic range (all else equal)
  • Shoot 4K video
    4K (DCI) vs 1080p
    Make sure you have a fast computer
  • Touchscreen
    Touch vs No touch
    Interact with your camera just like your smartphone
  • Built-in Wi-Fi
    Wi-Fi vs None
    Share your photos wirelessly
  • Built-in Bluetooth
    Yes vs No
    Always-on wireless connectivity
  • Newer
    20 months vs 5 years old
    Newer cameras often support more advanced features
  • More viewfinder magnification
    0.76x vs 0.63x
    Get a bigger view of the scene through the eye-level viewfinder
  • Longer exposure
    60 vs 30 sec
    Long exposures for night shots
  • Faster JPEG shooting
    11.7 fps vs 8.1 fps
    Faster JPEG shooting (burst mode)
  • Bigger JPEG buffer
    600 vs 60 shots
    Take more JPEG shots before waiting (burst mode)
  • Faster RAW shooting
    12.5 fps vs 8.2 fps
    Faster RAW shooting in burst mode
  • Bigger RAW buffer
    120 vs 22 shots
    Larger buffer for RAW shots (burst mode)
  • Slow-motion videos
    Yes vs No
    Shoot slow-motion videos
  • Faster shutter
    1/16000 vs 1/8000 sec
    Shoot wide open in bright light
  • Higher extended ISO
    204800 vs 51200 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
  • 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

  • In-camera panoramas
    Neither provide
    Stitches multiple shots into a panoramic photo
  • NFC
    Neither provide
    Simplifies pairing your camera with supported phones
  • 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

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

  • Excellent video quality; Very good high ISO performance; Cinema 4K & UHD video up to 60p; Full HD up to 240p; 10-bit internal video recording; Tons of features & options for advanced/pro videographers.

  • 10MP resolution is limiting for still photos; No in-body image stabilization; Slower AF than GH5; Buffer clearing could be faster; No 6K Photo features due to sensor resolution.

The Competition

Compared to Canon T6i

Pentax K-3 II
Canon T6i
  • $830
  • APS-C
  • Focus peaking
  • Larger sensor
  • $549
  • APS-C
  • Less expensive
  • Tilt-swivel screen
Panasonic GH5S
Canon T6i
  • $1998
  • 4/3
  • Focus peaking
  • Bigger pixels
  • $549
  • APS-C
  • Less expensive
  • Larger sensor

Compared to Sony A68

Pentax K-3 II
Sony A68
  • $830
  • APS-C
  • Lens selection
  • High resolution composite
  • $598
  • APS-C
  • Less expensive
  • In-camera panoramas
Panasonic GH5S
Sony A68
  • $1998
  • 4/3
  • Lens selection
  • Tilt-swivel screen
  • $598
  • APS-C
  • Less expensive
  • Larger sensor

Compared to Panasonic G85

Pentax K-3 II
Panasonic G85
  • $830
  • APS-C
  • Larger sensor
  • High resolution composite
  • $698
  • 4/3
  • Less expensive
  • Tilt-swivel screen
Panasonic GH5S
Panasonic G85
  • $1998
  • 4/3
  • Bigger pixels
  • Built-in Bluetooth
  • $698
  • 4/3
  • Less expensive
  • In-Camera Image Stabilization

Compared to Panasonic GH5

Pentax K-3 II
Panasonic GH5
  • $830
  • APS-C
  • Larger sensor
  • Less expensive
  • $1298
  • 4/3
  • Tilt-swivel screen
  • Shoot 4K video
Panasonic GH5S
Panasonic GH5
  • $1998
  • 4/3
  • Slower slow-motion
  • Bigger pixels
  • $1298
  • 4/3
  • Less expensive
  • In-Camera Image Stabilization

Compared to Pentax KP

Pentax K-3 II
Pentax KP
  • $830
  • APS-C
  • Built-in GPS
  • Longer stills battery life
  • $747
  • APS-C
  • Tiltable Screen
  • Built-in Wi-Fi
Panasonic GH5S
Pentax KP
  • $1998
  • 4/3
  • Tilt-swivel screen
  • Bigger pixels
  • $747
  • APS-C
  • Less expensive
  • Larger sensor
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