• APS-C 366.6mm2
  • 24.4 megapixels
  • ISO 100 - 51,200
  • 4/3 224.9mm2
  • 20.3 megapixels
  • ISO 200 - 25,600

Buy From

Differences

Pentax K-3 II advantages over Panasonic GH5 II

  • Less expensive
    $830* vs $1798
    Save money for lenses or accessories
  • Larger sensor
    APS-C vs 4/3
    More sensor area. Bigger is (generally) better.
  • Bigger pixels
    ~ 3.91 vs 3.34 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
  • Built-in GPS
    GPS vs None
    Geotag your photos
  • Longer stills battery life
    More info 720 vs 410 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 20.3 megapixels
    Higher resolution photos
  • Optional anti-aliasing filter
    Optional vs None
    Lets you choose sharper photos or reduced moiré
  • Higher extended ISO
    51200 vs 25600 ISO
    Higher extended ISO can give more low-light flexibility

Panasonic GH5 II advantages over Pentax K-3 II

  • Tilt-swivel screen
    Tilt-swivel vs none
    Tilt and swivel the screen for maximum shooting flexibility
  • Shoot 4K video
    5K 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
  • More dots on screen
    1840k vs 1037k dots
    Can mean greater resolution or a brighter screen
  • 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
    12.0 fps vs 8.1 fps
    Faster JPEG shooting (burst mode)
  • Bigger JPEG buffer
    108 vs 60 shots
    Take more JPEG shots before waiting (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

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
  • In-Camera Image Stabilization
    Both provide
    Reduces the effects of camera shake at slower shutter speeds
  • 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

The Competition

Compared to Nikon D5500

Pentax K-3 II
Nikon D5500
  • $830
  • APS-C
  • Focus peaking
  • In-Camera Image Stabilization
  • $697
  • APS-C
  • Less expensive
  • Tilt-swivel screen
Panasonic GH5 II
Nikon D5500
  • $1298
  • 4/3
  • Focus peaking
  • In-Camera Image Stabilization
  • $697
  • APS-C
  • Less expensive
  • Larger sensor

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
Panasonic GH5 II
Canon T6i
  • $1298
  • 4/3
  • Focus peaking
  • In-Camera Image Stabilization
  • $699
  • 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 GH5 II
Sony A68
  • $1298
  • 4/3
  • Lens selection
  • Tilt-swivel screen
  • $598
  • APS-C
  • Less expensive
  • Larger sensor

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
Panasonic GH5 II
Pentax KP
  • $1298
  • 4/3
  • Tilt-swivel screen
  • Shoot 4K video
  • $999
  • APS-C
  • Less expensive
  • Larger sensor

Compared to Canon T7i

Pentax K-3 II
Canon T7i
  • $830
  • APS-C
  • Focus peaking
  • Larger sensor
  • $700
  • APS-C
  • Tilt-swivel screen
  • Touchscreen
Panasonic GH5 II
Canon T7i
  • $1298
  • 4/3
  • Focus peaking
  • In-Camera Image Stabilization
  • $700
  • APS-C
  • Less expensive
  • Larger sensor
Compare Other Cameras?