• APS-C 369.7mm2
  • 10.1 megapixels
  • ISO 100 - 1600
  • APS-C 366.6mm2
  • 24.3 megapixels
  • ISO 100 - 819,200

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Differences

Canon 40D advantages over Pentax KP

  • Bigger pixels
    ~ 6.10 vs 3.91 microns
    Better low-light and dynamic range (all else equal)
  • Fast startup
    ~0.40 vs 1.4 sec
    Faster startup lets you catch the moment
  • Longer stills battery life
    More info 800 vs 390 shots
    Capture more photos
  • Top deck display
    Yes vs No
    Check settings with a screen on top of the camera
  • Bigger JPEG buffer
    Unlimited vs 35 shots
    Take more JPEG shots before waiting (burst mode)

Pentax KP advantages over Canon 40D

  • 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
  • Tiltable Screen
    Tiltable vs Fixed
    Tilt the screen for shooting flexbility
  • High resolution composite
    Yes vs No
    Combine multiple shots to form a super hi-res version
  • Built-in Wi-Fi
    Wi-Fi vs None
    Share your photos wirelessly
  • External Mic Jack
    Jack vs No jack
    Improved sound fidelity when shooting video
  • More cross-type AF points
    25 vs 9
    Cross-type AF points improve autofocus performance
  • Newer
    8 years vs 17 years old
    Newer cameras often support more advanced features
  • Shoots 24p video
    Yes vs No
    Gives your movies a big-screen feel
  • More dots on screen
    922k 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 pixels
    24.3 vs 10.1 megapixels
    Higher resolution photos
  • Shoots 60p video
    Yes vs No
    A faster framerate can give you more editing options
  • More AF points
    27 vs 9
    More AF points improve autofocus
  • Optional anti-aliasing filter
    Optional vs Fixed
    Lets you choose sharper photos or reduced moiré
  • Faster JPEG shooting
    7.1 fps vs 6.4 fps
    Faster JPEG shooting (burst mode)
  • Faster shutter
    1/24000 vs 1/8000 sec
    Shoot wide open in bright light
  • Higher extended ISO
    819200 vs 3200 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
  • Internal flash
    Both provide
    Useful in a pinch for fill flash
  • Pentaprism viewfinder
    Both provide
    Much better viewfinder picture fidelity
  • Hot shoe
    Both provide
    Off-camera flashes open new possibilities
  • 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
  • In-camera panoramas
    Neither provide
    Stitches multiple shots into a panoramic photo
  • NFC
    Neither provide
    Simplifies pairing your camera with supported phones
  • Built-in Bluetooth
    Neither provide
    Always-on wireless connectivity
  • Built-in GPS
    Neither provide
    Geotag your photos
  • On-sensor phase detect
    Neither provide
    Usually improves live view and video AF performance
  • HDMI out
    Neither provide
    Use HDMI output to monitor or review video
  • Dual card slots
    Neither provide
    Gives you more storage flexibility
  • Headphone jack
    Neither provide
    Monitor audio recording while you shoot video
  • Slow-motion videos
    Neither provide
    Shoot slow-motion videos

User reviews

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Review Excerpt

The Competition

Compared to Canon T6i

Canon 40D
Canon T6i
  • $1299
  • APS-C
  • Larger sensor
  • Bigger pixels
  • $699
  • APS-C
  • Tilt-swivel screen
  • Touchscreen

Compare Canon 40D vs Canon T6i

Pentax KP
Canon T6i
  • $999
  • APS-C
  • Focus peaking
  • Larger sensor
  • $699
  • APS-C
  • Less expensive
  • Tilt-swivel screen

Compare Pentax KP vs Canon T6i

Compared to Pentax K-3 II

Canon 40D
Pentax K-3 II
  • $1299
  • APS-C
  • Bigger pixels
  • Fast startup
  • $830
  • APS-C
  • Focus peaking
  • In-Camera Image Stabilization

Compare Canon 40D vs Pentax K-3 II

Pentax KP
Pentax K-3 II
  • $999
  • APS-C
  • Tiltable Screen
  • Built-in Wi-Fi
  • $830
  • APS-C
  • Less expensive
  • Built-in GPS

Compare Pentax KP vs Pentax K-3 II

Compared to Nikon D3400

Canon 40D
Nikon D3400
  • $1299
  • APS-C
  • Bigger pixels
  • Top deck display
  • $497
  • APS-C
  • Built-in Bluetooth
  • Better color depth

Compare Canon 40D vs Nikon D3400

Pentax KP
Nikon D3400
  • $999
  • APS-C
  • Focus peaking
  • In-Camera Image Stabilization
  • $497
  • APS-C
  • Less expensive
  • Fast startup

Compare Pentax KP vs Nikon D3400

Compared to Nikon D5600

Canon 40D
Nikon D5600
  • $1299
  • APS-C
  • Bigger pixels
  • Top deck display
  • $898
  • APS-C
  • Tilt-swivel screen
  • Touchscreen

Compare Canon 40D vs Nikon D5600

Pentax KP
Nikon D5600
  • $999
  • APS-C
  • Focus peaking
  • In-Camera Image Stabilization
  • $898
  • APS-C
  • Tilt-swivel screen
  • Touchscreen

Compare Pentax KP vs Nikon D5600

Compared to Canon T7i

Canon 40D
Canon T7i
  • $1299
  • APS-C
  • Larger sensor
  • Bigger pixels
  • $700
  • APS-C
  • Tilt-swivel screen
  • Touchscreen

Compare Canon 40D vs Canon T7i

Pentax KP
Canon T7i
  • $999
  • APS-C
  • Focus peaking
  • Larger sensor
  • $700
  • APS-C
  • Tilt-swivel screen
  • Touchscreen

Compare Pentax KP vs Canon T7i

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