• APS-C 369.7mm2
  • 12.4 megapixels
  • ISO 200 - 6400
  • 35mm 861.6mm2
  • 24.3 megapixels
  • ISO 100 - 12,800

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Differences

Pentax K-x advantages over Nikon D750

  • In-Camera Image Stabilization
    Yes vs No
    Reduces the effects of camera shake at slower shutter speeds
  • Lighter weight
    791g vs 1550g
    Lighter weight
  • Less shutter lag
    0.10 vs 0.21 sec
    Focus and take a photo quickly (wide angle)
  • Faster shutter
    1/6000 vs 1/4000 sec
    Shoot wide open in bright light

Nikon D750 advantages over Pentax K-x

  • Larger sensor
    35mm vs APS-C
    More sensor area. Bigger is (generally) better.
  • Tiltable Screen
    Tiltable vs Fixed
    Tilt the screen for shooting flexbility
  • Built-in Wi-Fi
    Wi-Fi vs None
    Share your photos wirelessly
  • Higher effective ISO
    2,956 vs 811 iso
    Take photos in low light with less noise
  • More dynamic range
    14.5 vs 12.5 evs
    Retain detail in highlight and shadows
  • Longer stills battery life
    More info 1230 vs 420 shots
    Capture more photos
  • More telephoto lens reach
    120 mm vs 84 mm
    Capture objects farther away with the kit lens
  • Top deck display
    Yes vs No
    Check settings with a screen on top of the camera
  • External Mic Jack
    Jack vs No jack
    Improved sound fidelity when shooting video
  • More cross-type AF points
    15 vs 9
    Cross-type AF points improve autofocus performance
  • Pentaprism viewfinder
    Pentaprism vs Pentamirror
    Much better viewfinder picture fidelity
  • Newer
    10 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
    1229k 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 0.57x
    Get a bigger view of the scene through the eye-level viewfinder
  • More pixels
    24.3 vs 12.4 megapixels
    Higher resolution photos
  • Shoots 60p video
    Yes vs No
    A faster framerate can give you more editing options
  • Dual card slots
    Yes vs No
    Gives you more storage flexibility
  • More AF points
    51 vs 11
    More AF points improve autofocus
  • Headphone jack
    Yes vs No
    Monitor audio recording while you shoot video
  • Wider angle kit lens
    24 mm vs 27 mm
    Capture more of the scene with the included lens
  • Faster JPEG shooting
    6.6 fps vs 4.3 fps
    Faster JPEG shooting (burst mode)
  • Bigger JPEG buffer
    40 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

  • Tilt-swivel screen
    Neither provide
    Tilt and swivel the screen for maximum shooting flexibility
  • Focus peaking
    Neither provide
    Your camera will highlight what's in focus
  • 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
  • Slow-motion videos
    Neither provide
    Shoot slow-motion videos

User reviews

Buy From

Review Excerpt

  • Outstanding image quality with great dynamic range and high ISO performance; Class-leading burst rate; Very good 51-pt AF system; AF system works in very low light; Deep, comfortable handgrip; Articulated LCD monitor; Excellent battery life; Uncompressed 4:2:2 HDMI video output; Built-in Wi-Fi.

  • Buffer fills quickly with 14-bit RAW; Sluggish Live View AF; Shutter speed tops out at 1/4000s; OVF coverage closer to 97%; Weak low-pass filter is great for detail but higher risk of moire.

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
Nikon D750
Sony DSLR-A380
  • $1700
  • 35mm
  • Lens selection
  • Larger sensor
  • $849
  • APS-C
  • In-Camera Image Stabilization
  • Bigger JPEG buffer

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
Nikon D750
Pentax K-7
  • $1700
  • 35mm
  • Larger sensor
  • Bigger pixels
  • $1300
  • APS-C
  • In-Camera Image Stabilization
  • Less shutter lag

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
Nikon D750
Pentax K-r
  • $1700
  • 35mm
  • Larger sensor
  • Tiltable Screen
  • $850
  • APS-C
  • In-Camera Image Stabilization
  • Fast startup

Compared to Canon 6D

Pentax K-x
Canon 6D
  • $702
  • APS-C
  • In-Camera Image Stabilization
  • Internal flash
  • $1699
  • 35mm
  • Larger sensor
  • Bigger pixels
Nikon D750
Canon 6D
  • $1700
  • 35mm
  • Tiltable Screen
  • Higher effective ISO
  • $1699
  • 35mm
  • Built-in GPS
  • Bigger JPEG buffer

Compared to Nikon D610

Pentax K-x
Nikon D610
  • $702
  • APS-C
  • In-Camera Image Stabilization
  • Lighter weight
  • $1198
  • 35mm
  • Larger sensor
  • Fast startup
Nikon D750
Nikon D610
  • $1700
  • 35mm
  • Tiltable Screen
  • Built-in Wi-Fi
  • $1198
  • 35mm
  • Fast startup
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