• APS-C 368.2mm2
  • 14.6 megapixels
  • ISO 100 - 3200
  • APS-C 323.4mm2
  • 12.2 megapixels
  • ISO 100 - 6400

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Differences

Pentax K20D advantages over Canon T3

  • Larger sensor
    APS-C vs APS-C
    More sensor area. Bigger is (generally) better.
  • In-Camera Image Stabilization
    Yes vs No
    Reduces the effects of camera shake at slower shutter speeds
  • Top deck display
    Yes vs No
    Check settings with a screen on top of the camera
  • More cross-type AF points
    9 vs 1
    Cross-type AF points improve autofocus performance
  • Pentaprism viewfinder
    Pentaprism vs Pentamirror
    Much better viewfinder picture fidelity
  • Less shutter lag
    0.17 vs 0.31 sec
    Focus and take a photo quickly (wide angle)
  • More viewfinder magnification
    0.63x vs 0.50x
    Get a bigger view of the scene through the eye-level viewfinder
  • More pixels
    14.6 vs 12.2 megapixels
    Higher resolution photos
  • Bigger JPEG buffer
    38 vs 17 shots
    Take more JPEG shots before waiting (burst mode)

Canon T3 advantages over Pentax K20D

  • Less expensive
    $600 vs $800 (MSRP)
    Save money for lenses or accessories
  • Fast startup
    ~0.30 vs 0.4 sec
    Faster startup lets you catch the moment
  • Higher effective ISO
    755 vs 639 iso
    Take photos in low light with less noise
  • Longer stills battery life
    More info 700 vs 530 shots
    Capture more photos
  • HDMI out
    HDMI out vs None
    Use HDMI output to monitor or review video

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
  • 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
  • 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
  • Tiltable Screen
    Neither provide
    Tilt the screen for shooting flexbility
  • Built-in Wi-Fi
    Neither provide
    Share your photos wirelessly
  • 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
  • External Mic Jack
    Neither provide
    Improved sound fidelity when shooting 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

Buy From

Your purchases support this site

Review Excerpt

  • Well-considered ergonomics and control layout; Solid build; Good image quality; Great battery life; High-def movie capture.

  • Frame rate and burst depth not the best, especially for raw; Weak flash for an SLR; No sensor cleaning function; No spot metering.

The Competition

Compared to Samsung GX-20

Pentax K20D
Samsung GX-20
  • $800
  • APS-C
  • Less expensive
  • $1400
  • APS-C
  • Higher effective ISO
Canon T3
Samsung GX-20
  • $199
  • APS-C
  • Less expensive
  • HDMI out
  • $1400
  • APS-C
  • Larger sensor
  • In-Camera Image Stabilization

Compared to Sony DSLR-A380

Pentax K20D
Sony DSLR-A380
  • $800
  • APS-C
  • Lens selection
  • Fast startup
  • $849
  • APS-C
  • Tiltable Screen
  • HDMI out
Canon T3
Sony DSLR-A380
  • $199
  • APS-C
  • Lens selection
  • Less expensive
  • $849
  • APS-C
  • Larger sensor
  • In-Camera Image Stabilization

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
Canon T3
Pentax K-7
  • $199
  • APS-C
  • Less expensive
  • Fast startup
  • $1300
  • APS-C
  • Larger sensor
  • In-Camera Image Stabilization

Compared to Nikon D3100

Pentax K20D
Nikon D3100
  • $800
  • APS-C
  • In-Camera Image Stabilization
  • Top deck display
  • $700
  • APS-C
  • Higher effective ISO
  • HDMI out
Canon T3
Nikon D3100
  • $199
  • APS-C
  • Less expensive
  • Fast startup
  • $700
  • APS-C
  • Larger sensor
  • Higher effective ISO

Compared to Sony A37

Pentax K20D
Sony A37
  • $800
  • APS-C
  • Lens selection
  • Fast startup
  • $600
  • APS-C
  • Less expensive
  • Focus peaking
Canon T3
Sony A37
  • $199
  • APS-C
  • Lens selection
  • Fast startup
  • $600
  • APS-C
  • Focus peaking
  • Larger sensor
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