• APS-C 368.2mm2
  • 14.6 megapixels
  • ISO 100 - 3200
  • 35mm 861.6mm2
  • 26.2 megapixels
  • ISO 100 - 40,000

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Differences

Pentax K20D advantages over Canon EOS RP

  • In-Camera Image Stabilization
    Yes vs No
    Reduces the effects of camera shake at slower shutter speeds
  • Fast startup
    ~0.40 vs 1.1 sec
    Faster startup lets you catch the moment
  • Longer stills battery life
    More info 530 vs 250 shots
    Capture more photos
  • Internal flash
    Internal flash vs None
    Useful in a pinch for fill flash
  • Top deck display
    Yes vs No
    Check settings with a screen on top of the camera

Canon EOS RP advantages over Pentax K20D

  • Larger sensor
    35mm vs APS-C
    More sensor area. Bigger is (generally) better.
  • Tilt-swivel screen
    Tilt-swivel vs none
    Tilt and swivel the screen for maximum shooting flexibility
  • 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
  • Built-in Wi-Fi
    Wi-Fi vs None
    Share your photos wirelessly
  • 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
  • External Mic Jack
    Jack vs No jack
    Improved sound fidelity when shooting video
  • 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
    485g vs 802g
    Lighter weight
  • More dots on screen
    1040k 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 viewfinder magnification
    0.70x vs 0.63x
    Get a bigger view of the scene through the eye-level viewfinder
  • More pixels
    26.2 vs 14.6 megapixels
    Higher resolution photos
  • Shoots 60p video
    Yes vs No
    A faster framerate can give you more editing options
  • Headphone jack
    Yes vs No
    Monitor audio recording while you shoot video
  • Faster JPEG shooting
    5.0 fps vs 2.8 fps
    Faster JPEG shooting (burst mode)
  • Bigger JPEG buffer
    Unlimited vs 38 shots
    Take more JPEG shots before waiting (burst mode)
  • Higher extended ISO
    102400 vs 6400 ISO
    Higher extended ISO can give more low-light flexibility

Similarities

Common Strengths

  • Eye-level viewfinder
    Both provide
    You'll be able to frame photos even when the sun is out
  • Hot shoe
    Both provide
    Off-camera flashes open new possibilities
  • Bulb shutter
    Both provide
    Hold the shutter open manually for long exposures

Common Weaknesses

  • Focus peaking
    Neither provide
    Your camera will highlight what's in focus
  • In-camera panoramas
    Neither provide
    Stitches multiple shots into a panoramic photo
  • NFC
    Neither provide
    Simplifies pairing your camera with supported phones
  • Built-in GPS
    Neither provide
    Geotag your photos
  • Dual card slots
    Neither provide
    Gives you more storage flexibility
  • Slow-motion videos
    Neither provide
    Shoot slow-motion videos

User reviews

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Buy the Pentax K20D

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Buy the Canon EOS RP
Body Only
  • Body Only
  • Kit with RF 24-105mm lens
All EOS RP Deals

Review Excerpt

  • Very good image quality; Good high ISO performance; Fast Dual Pixel CMOS AF autofocus system; Eye AF with tracking & video support; 4K video; Good build quality; Excellent value.

  • No IBIS; Sub-par dynamic range; Burst shooting tops out at 5fps; Poor battery life; Limited video features.

  • Read our Canon EOS RP Review

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

Canon EOS RP
Samsung GX-20
  • $949
  • 35mm
  • Larger sensor
  • Tilt-swivel screen
  • $1400
  • APS-C
  • In-Camera Image Stabilization
  • Internal flash

Compare Canon EOS RP 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

Canon EOS RP
Sony DSLR-A380
  • $949
  • 35mm
  • Tilt-swivel screen
  • Larger sensor
  • $849
  • APS-C
  • In-Camera Image Stabilization
  • Fast startup

Compare Canon EOS RP 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

Canon EOS RP
Pentax K-7
  • $949
  • 35mm
  • Tilt-swivel screen
  • Larger sensor
  • $1300
  • APS-C
  • In-Camera Image Stabilization
  • Fast startup

Compare Canon EOS RP vs Pentax K-7

Compared to Nikon Z5

Pentax K20D
Nikon Z5
  • $800
  • APS-C
  • Internal flash
  • Top deck display
  • $1097
  • 35mm
  • Focus peaking
  • Larger sensor

Compare Pentax K20D vs Nikon Z5

Canon EOS RP
Nikon Z5
  • $949
  • 35mm
  • Tilt-swivel screen
  • Lighter weight
  • $1097
  • 35mm
  • Less expensive
  • Focus peaking

Compare Canon EOS RP vs Nikon Z5

Compared to Sony A7C

Pentax K20D
Sony A7C
  • $800
  • APS-C
  • Lens selection
  • Internal flash
  • $1598
  • 35mm
  • Tilt-swivel screen
  • Focus peaking

Compare Pentax K20D vs Sony A7C

Canon EOS RP
Sony A7C
  • $949
  • 35mm
  • More telephoto lens reach
  • Wider angle kit lens
  • $1598
  • 35mm
  • Less expensive
  • Focus peaking

Compare Canon EOS RP vs Sony A7C

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