• 1/2.3 inch 28.1mm2
  • 16.0 megapixels
  • 25.00mm - 100.00mm (35mm eq.)
  • APS-C 366.6mm2
  • 24.3 megapixels
  • ISO 100 - 819,200

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Differences

Olympus TG-3 advantages over Pentax KP

  • Waterproof
    Yes vs No
    Take photos underwater without destroying your camera!
  • In-camera panoramas
    Yes vs No
    Stitches multiple shots into a panoramic photo
  • Built-in GPS
    GPS vs None
    Geotag your photos
  • Thinner
    31 mm vs 75 mm
    Thinner
  • HDMI out
    HDMI out vs None
    Use HDMI output to monitor or review video
  • Lighter weight
    247g vs 699g
    Lighter weight
  • Bigger JPEG buffer
    100 vs 35 shots
    Take more JPEG shots before waiting (burst mode)
  • Slow-motion videos
    Yes vs No
    Shoot slow-motion videos

Pentax KP advantages over Olympus TG-3

  • Focus peaking
    Peaker vs Non-peaker
    Your camera will highlight what's in focus
  • Larger sensor
    APS-C vs 1/2.3 inch
    More sensor area. Bigger is (generally) better.
  • Eye-level viewfinder
    Eye-level vs Rear display only
    You'll be able to frame photos even when the sun is out
  • Bigger pixels
    ~ 3.91 vs 1.34 microns
    Better low-light and dynamic range (all else equal)
  • Tiltable Screen
    Tiltable vs Fixed
    Tilt the screen for shooting flexbility
  • High resolution composite
    Yes vs No
    Combine multiple shots to form a super hi-res version
  • RAW file ability
    Yes vs No
    Gives you more flexibility to develop your photos later
  • 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
  • Higher-res screen
    307k vs 154k pixels
    More detail on the screen lets you judge focus and composition
  • Hot shoe
    Hot shoe vs None
    Off-camera flashes open new possibilities
  • More pixels
    24.3 vs 16.0 megapixels
    Higher resolution photos
  • Shoots 60p video
    Yes vs No
    A faster framerate can give you more editing options
  • Longer exposure
    30 vs 4 sec
    Long exposures for night shots
  • Bulb shutter
    Bulb vs No bulb
    Hold the shutter open manually for long exposures
  • Faster JPEG shooting
    7.1 fps vs 5.0 fps
    Faster JPEG shooting (burst mode)
  • Faster shutter
    1/24000 vs 1/2000 sec
    Shoot wide open in bright light
  • Higher extended ISO
    819200 vs 6400 ISO
    Higher extended ISO can give more low-light flexibility

Similarities

Common Strengths

  • Rear display
    Both provide
    Review photos on the back of the camera
  • In-Camera Image Stabilization
    Both provide
    Reduces the effects of camera shake at slower shutter speeds
  • Built-in Wi-Fi
    Both provide
    Share your photos wirelessly
  • Internal flash
    Both provide
    Useful in a pinch for fill flash

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
  • Built-in Bluetooth
    Neither provide
    Always-on wireless connectivity
  • On-sensor phase detect
    Neither provide
    Usually improves live view and video AF performance
  • 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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Buy the Olympus TG-3

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Buy the Pentax KP

Review Excerpt

The Competition

Compared to Pentax WG-3

Olympus TG-3
Pentax WG-3
  • $349
  • 1/2.3 inch
  • In-camera panoramas
  • Built-in Wi-Fi
  • $289
  • 1/2.3 inch
  • Less expensive
  • Manual focus
Pentax KP
Pentax WG-3
  • $999
  • APS-C
  • Focus peaking
  • Larger sensor
  • $289
  • 1/2.3 inch
  • Waterproof
  • Thinner

Compared to Ricoh WG-5 GPS

Olympus TG-3
Ricoh WG-5 GPS
  • $349
  • 1/2.3 inch
  • Slower slow-motion
  • Built-in Wi-Fi
  • $297
  • 1/2.3 inch
  • Manual focus
  • Shoots 60p video
Pentax KP
Ricoh WG-5 GPS
  • $999
  • APS-C
  • Focus peaking
  • Larger sensor
  • $297
  • 1/2.3 inch
  • Waterproof
  • In-camera panoramas

Compared to Olympus TG-4

Olympus TG-3
Olympus TG-4
  • $349
  • 1/2.3 inch
  • $379
  • 1/2.3 inch
  • RAW file ability
  • Manual focus
Pentax KP
Olympus TG-4
  • $999
  • APS-C
  • Focus peaking
  • Larger sensor
  • $379
  • 1/2.3 inch
  • Less expensive
  • Waterproof

Compared to Nikon D5600

Olympus TG-3
Nikon D5600
  • $349
  • 1/2.3 inch
  • Waterproof
  • In-Camera Image Stabilization
  • $898
  • APS-C
  • Larger sensor
  • Tilt-swivel screen
Pentax KP
Nikon D5600
  • $999
  • APS-C
  • Focus peaking
  • In-Camera Image Stabilization
  • $898
  • APS-C
  • Tilt-swivel screen
  • Touchscreen

Compared to Canon T7i

Olympus TG-3
Canon T7i
  • $349
  • 1/2.3 inch
  • Waterproof
  • In-Camera Image Stabilization
  • $700
  • APS-C
  • Larger sensor
  • Tilt-swivel screen
Pentax KP
Canon T7i
  • $999
  • APS-C
  • Focus peaking
  • Larger sensor
  • $700
  • APS-C
  • Tilt-swivel screen
  • Touchscreen
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