• APS-C 369.0mm2
  • 20.9 megapixels
  • ISO 100 - 51,200
  • APS-C 361.2mm2
  • 25.7 megapixels
  • ISO 100 - 1,600,000

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Differences

Nikon D500 advantages over Pentax K-3 III

  • Less expensive
    $1597 vs $2344
    Save money for lenses or accessories
  • Tiltable Screen
    Tiltable vs Fixed
    Tilt the screen for shooting flexbility
  • NFC
    Yes vs No
    Simplifies pairing your camera with supported phones
  • Longer stills battery life
    More info 1240 vs 800 shots
    Capture more photos
  • More cross-type AF points
    99 vs 25
    Cross-type AF points improve autofocus performance
  • More AF points
    153 vs 101
    More AF points improve autofocus
  • Bigger JPEG buffer
    200 vs 30 shots
    Take more JPEG shots before waiting (burst mode)

Pentax K-3 III advantages over Nikon D500

  • Focus peaking
    Peaker vs Non-peaker
    Your camera will highlight what's in focus
  • 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
  • Newer
    4 years vs 9 years old
    Newer cameras often support more advanced features
  • More viewfinder magnification
    1.05x vs 0.67x
    Get a bigger view of the scene through the eye-level viewfinder
  • More pixels
    25.7 vs 20.9 megapixels
    Higher resolution photos
  • Optional anti-aliasing filter
    Optional vs None
    Lets you choose sharper photos or reduced moiré
  • Faster JPEG shooting
    12.0 fps vs 10.2 fps
    Faster JPEG shooting (burst mode)

Similarities

Common Strengths

  • Eye-level viewfinder
    Both provide
    You'll be able to frame photos even when the sun is out
  • Shoot 4K video
    Both provide
    Make sure you have a fast computer
  • Touchscreen
    Both provide
    Interact with your camera just like your smartphone
  • Built-in Wi-Fi
    Both provide
    Share your photos wirelessly
  • Built-in Bluetooth
    Both provide
    Always-on wireless connectivity
  • Top deck display
    Both provide
    Check settings with a screen on top of the camera
  • External Mic Jack
    Both provide
    Improved sound fidelity when shooting video
  • Pentaprism viewfinder
    Both provide
    Much better viewfinder picture fidelity
  • 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

  • Tilt-swivel screen
    Neither provide
    Tilt and swivel the screen for maximum shooting flexibility
  • In-camera panoramas
    Neither provide
    Stitches multiple shots into a panoramic photo
  • Built-in GPS
    Neither provide
    Geotag your photos
  • 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
  • Slow-motion videos
    Neither provide
    Shoot slow-motion videos

User reviews

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Your purchases support this site

Buy the Nikon D500

Your purchases support this site

Buy the Pentax K-3 III

Review Excerpt

  • Superb image quality; Great high ISO performance; Rugged, comfortable camera body; Sharp articulating touchscreen display; Excellent AF point frame coverage; Fast continuous shooting speeds; 4K UHD video; Built-in Wi-Fi, NFC and Bluetooth.

  • Somewhat large for an APS-C camera; Expensive for a DX camera; 4K UHD video doesn't offer full DX field-of-view; No built-in flash; Still uses contrast-detect for Live View AF; Dual slots use two different card types (XQD and SD).

The Competition

Compared to Pentax K-3 II

Nikon D500
Pentax K-3 II
  • $1598
  • APS-C
  • Shoot 4K video
  • Touchscreen
  • $830
  • APS-C
  • Less expensive
  • Focus peaking
Pentax K-3 III
Pentax K-3 II
  • $1847
  • APS-C
  • Shoot 4K video
  • Touchscreen
  • $830
  • APS-C
  • Less expensive
  • Built-in GPS

Compared to Sony A68

Nikon D500
Sony A68
  • $1598
  • APS-C
  • Lens selection
  • Shoot 4K video
  • $598
  • APS-C
  • Less expensive
  • Focus peaking
Pentax K-3 III
Sony A68
  • $1847
  • APS-C
  • Lens selection
  • Shoot 4K video
  • $598
  • APS-C
  • Less expensive
  • In-camera panoramas

Compared to Pentax KP

Nikon D500
Pentax KP
  • $1598
  • APS-C
  • Shoot 4K video
  • Touchscreen
  • $999
  • APS-C
  • Less expensive
  • Focus peaking
Pentax K-3 III
Pentax KP
  • $1847
  • APS-C
  • Shoot 4K video
  • Touchscreen
  • $999
  • APS-C
  • Less expensive
  • Tiltable Screen

Compared to Canon SL3

Nikon D500
Canon SL3
  • $1598
  • APS-C
  • Larger sensor
  • Fast startup
  • $632
  • APS-C
  • Less expensive
  • Tilt-swivel screen
Pentax K-3 III
Canon SL3
  • $1847
  • APS-C
  • Focus peaking
  • In-Camera Image Stabilization
  • $632
  • APS-C
  • Less expensive
  • Tilt-swivel screen

Compared to Canon 90D

Nikon D500
Canon 90D
  • $1598
  • APS-C
  • Bigger pixels
  • Fast startup
  • $1099
  • APS-C
  • Less expensive
  • Tilt-swivel screen
Pentax K-3 III
Canon 90D
  • $1847
  • APS-C
  • Focus peaking
  • In-Camera Image Stabilization
  • $1099
  • APS-C
  • Less expensive
  • Tilt-swivel screen
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