• APS-C 368.2mm2
  • 16.2 megapixels
  • ISO 100 - 6400
  • 1/2.3 inch 28.1mm2
  • 16.0 megapixels
  • 24.00mm - 1248.00mm (35mm eq.)

Buy From

Differences

Nikon D5100 advantages over Pentax XG-1

  • Less expensive
    $499 vs $994
    Save money for lenses or accessories
  • Tilt-swivel screen
    Tilt-swivel vs none
    Tilt and swivel the screen for maximum shooting flexibility
  • Larger sensor
    APS-C vs 1/2.3 inch
    More sensor area. Bigger is (generally) better.
  • Bigger pixels
    ~ 4.79 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
  • Longer stills battery life
    More info 660 vs 240 shots
    Capture more photos
  • Manual focus
    Yes vs No
    AF is for the weak. Real photographers focus manually.
  • External Mic Jack
    Jack vs No jack
    Improved sound fidelity when shooting video
  • Shoots 24p video
    Yes vs No
    Gives your movies a big-screen feel
  • More dots on screen
    922k vs 460k dots
    Can mean greater resolution or a brighter screen
  • Hot shoe
    Hot shoe vs None
    Off-camera flashes open new possibilities
  • Bulb shutter
    Bulb vs No bulb
    Hold the shutter open manually for long exposures
  • Faster shutter
    1/4000 vs 1/2000 sec
    Shoot wide open in bright light
  • Higher extended ISO
    25600 vs 3200 ISO
    Higher extended ISO can give more low-light flexibility

Pentax XG-1 advantages over Nikon D5100

  • In-Camera Image Stabilization
    Yes vs No
    Reduces the effects of camera shake at slower shutter speeds
  • In-camera panoramas
    Yes vs No
    Stitches multiple shots into a panoramic photo
  • Newer
    4 years vs 8 years old
    Newer cameras often support more advanced features
  • Shoots 60p video
    Yes vs No
    A faster framerate can give you more editing options
  • Faster JPEG shooting
    9.0 fps vs 3.9 fps
    Faster JPEG shooting (burst mode)

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
  • Internal flash
    Both provide
    Useful in a pinch for fill flash
  • HDMI out
    Both provide
    Use HDMI output to monitor or review video

Common Weaknesses

  • Focus peaking
    Neither provide
    Your camera will highlight what's in focus
  • Touchscreen
    Neither provide
    Interact with your camera just like your smartphone
  • 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
  • Integrated ND filter
    Neither provide
    Shoot in daylight with a large aperture or slow shutter
  • 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

Review Excerpt

  • Side-mounted tilt / swivel LCD screen; same sensor and processing as the Nikon D7000; good speed and battery life; in-camera HDR and filter effects; Full HD video capture with aperture control; audio levels control and external microphone jack.

  • AF-S lens mount doesn't offer autofocus with screw-drive lenses; popup flash isn't the greatest; no built-in wireless flash control; HDR function doesn't microalign source images.

The Competition

Compared to Nikon D3100

Nikon D5100
Nikon D3100
  • $499
  • APS-C
  • Tilt-swivel screen
  • Higher effective ISO
  • $700
  • APS-C
Pentax XG-1
Nikon D3100
  • $994
  • 1/2.3 inch
  • In-Camera Image Stabilization
  • In-camera panoramas
  • $700
  • APS-C
  • Larger sensor
  • Bigger pixels

Compared to Sony A35

Nikon D5100
Sony A35
  • $499
  • APS-C
  • Lens selection
  • Tilt-swivel screen
  • $567
  • APS-C
  • In-Camera Image Stabilization
  • In-camera panoramas
Pentax XG-1
Sony A35
  • $994
  • 1/2.3 inch
  • Newer
  • Shoots 1080p video
  • $567
  • APS-C
  • Larger sensor
  • Bigger pixels

Compared to Sony A57

Nikon D5100
Sony A57
  • $499
  • APS-C
  • Lens selection
  • Tilt-swivel screen
  • $800
  • APS-C
  • Focus peaking
  • In-Camera Image Stabilization
Pentax XG-1
Sony A57
  • $994
  • 1/2.3 inch
  • Newer
  • $800
  • APS-C
  • Focus peaking
  • Larger sensor

Compared to Samsung WB2200F

Nikon D5100
Samsung WB2200F
  • $499
  • APS-C
  • Larger sensor
  • Less expensive
  • $600
  • 1/2.3 inch
  • In-Camera Image Stabilization
  • In-camera panoramas
Pentax XG-1
Samsung WB2200F
  • $994
  • 1/2.3 inch
  • Shoots 60p video
  • Longer exposure
  • $600
  • 1/2.3 inch
  • Less expensive
  • Built-in Wi-Fi

Compared to Fujifilm S9900W

Nikon D5100
Fujifilm S9900W
  • $499
  • APS-C
  • Larger sensor
  • Tilt-swivel screen
  • $719
  • 1/2.3 inch
  • Focus peaking
  • In-Camera Image Stabilization
Pentax XG-1
Fujifilm S9900W
  • $994
  • 1/2.3 inch
  • Shoots 1080p video
  • Longer exposure
  • $719
  • 1/2.3 inch
  • Focus peaking
  • Built-in Wi-Fi
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