• APS-C 369.7mm2
  • 12.4 megapixels
  • ISO 200 - 6400
  • APS-C 332.3mm2
  • 24.2 megapixels
  • ISO 100 - 25,600

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Differences

Pentax K-x advantages over Canon T7i

  • 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
  • Bigger pixels
    ~ 5.53 vs 3.72 microns
    Better low-light and dynamic range (all else equal)
  • More viewfinder magnification
    0.57x vs 0.51x
    Get a bigger view of the scene through the eye-level viewfinder
  • Faster shutter
    1/6000 vs 1/4000 sec
    Shoot wide open in bright light

Canon T7i advantages over Pentax K-x

  • Tilt-swivel screen
    Tilt-swivel vs none
    Tilt and swivel the screen for maximum shooting flexibility
  • 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
  • NFC
    Yes vs No
    Simplifies pairing your camera with supported phones
  • 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
  • Longer stills battery life
    More info 600 vs 420 shots
    Capture more photos
  • External Mic Jack
    Jack vs No jack
    Improved sound fidelity when shooting video
  • More cross-type AF points
    45 vs 9
    Cross-type AF points improve autofocus performance
  • Newer
    8 years vs 15 years old
    Newer cameras often support more advanced features
  • HDMI out
    HDMI out vs None
    Use HDMI output to monitor or review video
  • 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 pixels
    24.2 vs 12.4 megapixels
    Higher resolution photos
  • Shoots 60p video
    Yes vs No
    A faster framerate can give you more editing options
  • More AF points
    45 vs 11
    More AF points improve autofocus
  • Faster JPEG shooting
    6.0 fps vs 4.3 fps
    Faster JPEG shooting (burst mode)
  • Bigger JPEG buffer
    148 vs 25 shots
    Take more JPEG shots before waiting (burst mode)
  • Higher extended ISO
    51200 vs 12800 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
  • 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
  • Built-in GPS
    Neither provide
    Geotag your photos
  • Top deck display
    Neither provide
    Check settings with a screen on top of the camera
  • Pentaprism viewfinder
    Neither provide
    Much better viewfinder picture fidelity
  • 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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Buy the Pentax K-x

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Buy the Canon T7i
Body Only
  • Body Only
  • Kit with 18-135mm lens
  • Kit with 18-55mm lens
All T7i Deals

Review Excerpt

  • Very good image quality; Improved dynamic range & high ISO quality over T6i; 45-point AF system; Fast Dual Pixel CMOS AF; Improved buffer depth.

  • Default JPEGs slightly soft straight out of camera; Dynamic range & high ISO still lags behind competitors; No 4K video.

  • Read our Canon T7i Express Review

The Competition

Compared to Sony DSLR-A380

Pentax K-x
Sony DSLR-A380
  • $702
  • APS-C
  • Lens selection
  • Less expensive
  • $849
  • APS-C
  • Tiltable Screen
  • HDMI out

Compare Pentax K-x vs Sony DSLR-A380

Canon T7i
Sony DSLR-A380
  • $700
  • APS-C
  • Lens selection
  • Tilt-swivel screen
  • $849
  • APS-C
  • Larger sensor
  • In-Camera Image Stabilization

Compare Canon T7i vs Sony DSLR-A380

Compared to Pentax K-7

Pentax K-x
Pentax K-7
  • $702
  • APS-C
  • Less expensive
  • Higher effective ISO
  • $1300
  • APS-C
  • Longer stills battery life
  • Top deck display

Compare Pentax K-x vs Pentax K-7

Canon T7i
Pentax K-7
  • $700
  • APS-C
  • Tilt-swivel screen
  • Touchscreen
  • $1300
  • APS-C
  • Larger sensor
  • In-Camera Image Stabilization

Compare Canon T7i vs Pentax K-7

Compared to Pentax K-r

Pentax K-x
Pentax K-r
  • $702
  • APS-C
  • Less expensive
  • Shoots 24p video
  • $850
  • APS-C
  • Fast startup
  • External Mic Jack

Compare Pentax K-x vs Pentax K-r

Canon T7i
Pentax K-r
  • $700
  • APS-C
  • Tilt-swivel screen
  • Touchscreen
  • $850
  • APS-C
  • Larger sensor
  • In-Camera Image Stabilization

Compare Canon T7i vs Pentax K-r

Compared to Canon T6i

Pentax K-x
Canon T6i
  • $702
  • APS-C
  • Larger sensor
  • In-Camera Image Stabilization
  • $699
  • APS-C
  • Tilt-swivel screen
  • Touchscreen

Compare Pentax K-x vs Canon T6i

Canon T7i
Canon T6i
  • $700
  • APS-C
  • Fast startup
  • Built-in Bluetooth
  • $699
  • APS-C
  • Less expensive
  • Bigger JPEG buffer

Compare Canon T7i vs Canon T6i

Compared to Pentax KP

Pentax K-x
Pentax KP
  • $702
  • APS-C
  • Bigger pixels
  • Fast startup
  • $999
  • APS-C
  • Focus peaking
  • Tiltable Screen

Compare Pentax K-x vs Pentax KP

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

Compare Canon T7i vs Pentax KP

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