• APS-C 332.3mm2
  • 18.0 megapixels
  • ISO 100 - 12,800
  • APS-C 366.6mm2
  • 24.4 megapixels
  • ISO 100 - 51,200

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Differences

Canon T4i advantages over Pentax K-3

  • Tilt-swivel screen
    Tilt-swivel vs none
    Tilt and swivel the screen for maximum shooting flexibility
  • Less expensive
    $775 vs $920
    Save money for lenses or accessories
  • Touchscreen
    Touch vs No touch
    Select your focus point more intuitively.
  • On-sensor phase detect
    Yes vs No
    Usually improves live view and video AF performance

Pentax K-3 advantages over Canon T4i

  • Focus peaking
    Peaker vs Non-peaker
    Your camera will highlight what's in focus
  • 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
  • Higher effective ISO
    1,216 vs 722 iso
    Take photos in low light with less noise
  • More dynamic range
    13.4 vs 11.2 evs
    Retain detail in highlight and shadows
  • Longer battery life
    More info 560 vs 440 shots
    Capture more photos
  • Top deck display
    Yes vs No
    Check settings with a screen on top of the camera
  • More viewfinder magnification
    0.63x vs 0.50x
    Get a bigger view of the scene through the eye-level viewfinder
  • More cross-type AF points
    25 vs 9
    Cross-type AF points improve autofocus performance
  • Headphone jack
    Yes vs No
    Monitor audio recording while you shoot video
  • Less shutter lag
    0.14 vs 0.27 sec
    Focus and take a photo quickly (wide angle)
  • More pixels
    24.4 vs 18.0 megapixels
    Higher resolution photos
  • Dual card slots
    Yes vs No
    Gives you more storage flexibility
  • Newer
    2 years vs 3 years old
    Newer cameras often support more advanced features
  • Pentaprism viewfinder
    Pentaprism vs Pentamirror
    Much better viewfinder picture fidelity
  • More AF points
    27 vs 9
    More AF points improve autofocus
  • Bigger JPEG buffer
    75 vs 19 shots
    Take more JPEG shots before waiting (burst mode)
  • Bigger RAW buffer
    24 vs 6 shots
    Larger buffer for RAW shots (burst mode)
  • Higher extended ISO
    51200 vs 25600 ISO
    Higher extended ISO can give more low-light flexibility
  • Faster shutter
    1/8000 vs 1/4000 sec
    Shoot wide open in bright light

Similarities

Common Strengths

  • Eye-level viewfinder
    Both provide
    You'll be able to frame photos even when the sun is out
  • External Mic Jack
    Both provide
    Improved sound fidelity when shooting video
  • HDMI out
    Both provide
    Use an external screen to monitor or review video
  • Hot shoe
    Both provide
    Off-camera flashes open new possibilities
  • Internal flash
    Both provide
    Useful in a pinch for fill flash
  • Bulb shutter
    Both provide
    Hold the shutter open manually for long exposures

Common Weaknesses

  • NFC
    Neither provide
    Simplifies pairing your camera with supported phones
  • In-camera panoramas
    Neither provide
    Stitches multiple shots into a panoramic photo
  • Built-in Wi-Fi
    Neither provide
    Share your photos wirelessly
  • Built-in GPS
    Neither provide
    Geotag your photos
  • Slow-motion videos
    Neither provide
    Shoot slow-motion videos

User reviews

Buy From

Your purchases support this site

Review Excerpt

  • Excellent image quality; 9 cross-type AF points; Stereo microphones; Built-in touchscreen; Multi-shot modes.

  • Slow Live View and video autofocus; High ISO performance is unimproved; Below-average battery life; No dedicated AF illuminator.

  • Top-notch image quality; Great ergonomics in a compact body; Unique on-demand low-pass filtering; Broad sensitivity range; Large and bright viewfinder for an APS-C camera; Dual card slots; Optional Wi-Fi remote control

  • AE Lock button is poorly located; Below-average battery life for a DSLR; Rather dated-looking menu system; Requires a different battery grip accessory than its predecessors; Less third-party support than some rivals

The Competition

Compared to Canon T5i

Canon T4i
Canon T5i
  • $670
  • APS-C
  • More kit lens zoom
  • $645
  • APS-C
  • Less expensive
  • Lighter weight
Pentax K-3
Canon T5i
  • $720
  • APS-C
  • Focus peaking
  • Larger sensor
  • $645
  • APS-C
  • Tilt-swivel screen
  • Less expensive

Compared to Pentax K-30

Canon T4i
Pentax K-30
  • $670
  • APS-C
  • Tilt-swivel screen
  • Fast startup
  • $565
  • APS-C
  • Less expensive
  • Focus peaking
Pentax K-3
Pentax K-30
  • $720
  • APS-C
  • Longer battery life
  • Top deck display
  • $565
  • APS-C
  • Less expensive
  • Bigger pixels

Compared to Pentax K-5 II

Canon T4i
Pentax K-5 II
  • $670
  • APS-C
  • Tilt-swivel screen
  • Less expensive
  • $714
  • APS-C
  • Larger sensor
  • In-Camera Image Stabilization
Pentax K-3
Pentax K-5 II
  • $720
  • APS-C
  • Focus peaking
  • Shoots 60p video
  • $714
  • APS-C
  • Fast startup
  • Bigger pixels

Compared to Nikon D7100

Canon T4i
Nikon D7100
  • $670
  • APS-C
  • Tilt-swivel screen
  • Less expensive
  • $797
  • APS-C
  • Larger sensor
  • Fast startup
Pentax K-3
Nikon D7100
  • $720
  • APS-C
  • Focus peaking
  • Less expensive
  • $797
  • APS-C
  • Fast startup
  • Longer battery life

Compared to Canon T5i

Canon T4i
Canon T5i
  • $670
  • APS-C
  • More kit lens zoom
  • $645
  • APS-C
  • Less expensive
  • Lighter weight
Pentax K-3
Canon T5i
  • $720
  • APS-C
  • Focus peaking
  • Larger sensor
  • $645
  • APS-C
  • Tilt-swivel screen
  • Less expensive
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