• APS-C 369.7mm2
  • 12.4 megapixels
  • ISO 200 - 6400
  • 1/2.3 inch 28.1mm2
  • 16.2 megapixels
  • 24.00mm - 1200.00mm (35mm eq.)

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Differences

Pentax K-x advantages over Fujifilm S9800

  • Larger sensor
    APS-C vs 1/2.3 inch
    More sensor area. Bigger is (generally) better.
  • Bigger pixels
    ~ 5.53 vs 1.34 microns
    Better low-light and dynamic range (all else equal)
  • RAW file ability
    Yes vs No
    Gives you more flexibility to develop your photos later
  • Thinner
    69 mm vs 116 mm
    Thinner
  • Shoots 24p video
    Yes vs No
    Gives your movies a big-screen feel
  • Hot shoe
    Hot shoe vs None
    Off-camera flashes open new possibilities
  • Longer exposure
    30 vs 8 sec
    Long exposures for night shots
  • Bulb shutter
    Bulb vs No bulb
    Hold the shutter open manually for long exposures
  • Bigger JPEG buffer
    25 vs 10 shots
    Take more JPEG shots before waiting (burst mode)
  • Faster shutter
    1/6000 vs 1/1700 sec
    Shoot wide open in bright light

Fujifilm S9800 advantages over Pentax K-x

  • Less expensive
    $330 vs $650 (MSRP)
    Save money for lenses or accessories
  • Focus peaking
    Peaker vs Non-peaker
    Your camera will highlight what's in focus
  • In-camera panoramas
    Yes vs No
    Stitches multiple shots into a panoramic photo
  • Integrated ND filter
    Yes vs No
    Shoot in daylight with a large aperture or slow shutter
  • 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
    460k vs 230k dots
    Can mean greater resolution or a brighter screen
  • More pixels
    16.2 vs 12.4 megapixels
    Higher resolution photos
  • Shoots 60p video
    Yes vs No
    A faster framerate can give you more editing options
  • Faster JPEG shooting
    10.0 fps vs 4.3 fps
    Faster JPEG shooting (burst mode)
  • Slow-motion videos
    Yes vs No
    Shoot slow-motion videos

Similarities

Common Strengths

  • Rear display
    Both provide
    Review photos on the back of the camera
  • Eye-level viewfinder
    Both provide
    You'll be able to frame photos even when the sun is out
  • In-Camera Image Stabilization
    Both provide
    Reduces the effects of camera shake at slower shutter speeds
  • Internal flash
    Both provide
    Useful in a pinch for fill flash
  • Manual focus
    Both provide
    AF is for the weak. Real photographers focus manually.

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
  • 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

User reviews

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Review Excerpt

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

Fujifilm S9800
Sony DSLR-A380
  • $504
  • 1/2.3 inch
  • Less expensive
  • Focus peaking
  • $849
  • APS-C
  • Larger sensor
  • Bigger pixels

Compare Fujifilm S9800 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

Fujifilm S9800
Pentax K-7
  • $504
  • 1/2.3 inch
  • Less expensive
  • Focus peaking
  • $1300
  • APS-C
  • Larger sensor
  • Bigger pixels

Compare Fujifilm S9800 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

Fujifilm S9800
Pentax K-r
  • $504
  • 1/2.3 inch
  • Less expensive
  • Focus peaking
  • $850
  • APS-C
  • Larger sensor
  • Bigger pixels

Compare Fujifilm S9800 vs Pentax K-r

Compared to Fujifilm SL1000

Pentax K-x
Fujifilm SL1000
  • $702
  • APS-C
  • Larger sensor
  • Bigger pixels
  • $650
  • 1/2.3 inch
  • Less expensive
  • Tiltable Screen

Compare Pentax K-x vs Fujifilm SL1000

Fujifilm S9800
Fujifilm SL1000
  • $504
  • 1/2.3 inch
  • Less expensive
  • Focus peaking
  • $650
  • 1/2.3 inch
  • Tiltable Screen
  • RAW file ability

Compare Fujifilm S9800 vs Fujifilm SL1000

Compared to Fujifilm S9900W

Pentax K-x
Fujifilm S9900W
  • $702
  • APS-C
  • Larger sensor
  • Bigger pixels
  • $719
  • 1/2.3 inch
  • Focus peaking
  • Less expensive

Compare Pentax K-x vs Fujifilm S9900W

Fujifilm S9800
Fujifilm S9900W
  • $504
  • 1/2.3 inch
  • $719
  • 1/2.3 inch
  • Built-in Wi-Fi

Compare Fujifilm S9800 vs Fujifilm S9900W

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