• 1/2.3 inch 28.1mm2
  • 16.0 megapixels
  • 25.00mm - 100.00mm (35mm eq.)
  • 4/3 224.9mm2
  • 20.3 megapixels
  • ISO 200 - 25,600

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Differences

Olympus TG-4 advantages over Panasonic G100

  • Less expensive
    $379* vs $598
    Save money for lenses or accessories
  • Waterproof
    Yes vs No
    Take photos underwater without destroying your camera!
  • Slower slow-motion
    240 fps vs 120 fps
    Supports slower slow-mo
  • In-Camera Image Stabilization
    Yes vs No
    Reduces the effects of camera shake at slower shutter speeds
  • Built-in GPS
    GPS vs None
    Geotag your photos
  • Thinner
    31 mm vs 54 mm
    Thinner
  • Has anti-aliasing filter
    Filter vs No Filter
    Reduces unsightly moiré in photos

Panasonic G100 advantages over Olympus TG-4

  • Tilt-swivel screen
    Tilt-swivel vs none
    Tilt and swivel the screen for maximum shooting flexibility
  • Focus peaking
    Peaker vs Non-peaker
    Your camera will highlight what's in focus
  • Larger sensor
    4/3 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
    ~ 3.34 vs 1.34 microns
    Better low-light and dynamic range (all else equal)
  • Shoot 4K video
    4K (UHD) vs 1080p
    Make sure you have a fast computer
  • Touchscreen
    Touch vs No touch
    Interact with your camera just like your smartphone
  • Built-in Bluetooth
    Yes vs No
    Always-on wireless connectivity
  • External Mic Jack
    Jack vs No jack
    Improved sound fidelity when shooting video
  • Newer
    4 years vs 10 years old
    Newer cameras often support more advanced features
  • Shoots 24p video
    Yes vs No
    Gives your movies a big-screen feel
  • More dots on screen
    1840k vs 461k dots
    Can mean greater resolution or a brighter screen
  • Hot shoe
    Hot shoe vs None
    Off-camera flashes open new possibilities
  • More pixels
    20.3 vs 16.0 megapixels
    Higher resolution photos
  • Shoots 60p video
    Yes vs No
    A faster framerate can give you more editing options
  • Lacks anti-aliasing filter
    No Filter vs Filter
    Enjoy sharper photos
  • Longer exposure
    60 vs 4 sec
    Long exposures for night shots
  • Bulb shutter
    Bulb vs No bulb
    Hold the shutter open manually for long exposures
  • Faster shutter
    1/16000 vs 1/2000 sec
    Shoot wide open in bright light
  • Higher extended ISO
    25600 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 panoramas
    Both provide
    Stitches multiple shots into a panoramic photo
  • RAW file ability
    Both provide
    Gives you more flexibility to develop your photos later
  • Built-in Wi-Fi
    Both provide
    Share your photos wirelessly
  • Internal flash
    Both provide
    Useful in a pinch for fill flash
  • Manual focus
    Both provide
    AF is for the weak. Real photographers focus manually.
  • HDMI out
    Both provide
    Use HDMI output to monitor or review video
  • Slow-motion videos
    Both provide
    Shoot slow-motion videos

Common Weaknesses

  • NFC
    Neither provide
    Simplifies pairing your camera with supported phones
  • On-sensor phase detect
    Neither provide
    Usually improves live view and video AF performance
  • Top deck display
    Neither provide
    Check settings with a screen on top of the camera
  • 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

User reviews

Buy From

Your purchases support this site

Buy the Olympus TG-4

Your purchases support this site

Buy the Panasonic G100

Review Excerpt

  • Rugged and waterproof camera body; RAW image capture; fast f/2.0 maximum aperture; fun shooting modes; fast AF speeds for its class.

  • Heavy noise reduction, even at base ISO; no continuous RAW image capture; underwhelming video performance.

The Competition

Compared to Olympus TG-3

Olympus TG-4
Olympus TG-3
  • $452
  • 1/2.3 inch
  • RAW file ability
  • Manual focus
  • $349
  • 1/2.3 inch
Panasonic G100
Olympus TG-3
  • $599
  • 4/3
  • Tilt-swivel screen
  • Focus peaking
  • $349
  • 1/2.3 inch
  • Waterproof
  • Slower slow-motion

Compared to Ricoh WG-5 GPS

Olympus TG-4
Ricoh WG-5 GPS
  • $452
  • 1/2.3 inch
  • Slower slow-motion
  • RAW file ability
  • $297
  • 1/2.3 inch
  • Shoots 60p video
  • Faster shutter
Panasonic G100
Ricoh WG-5 GPS
  • $599
  • 4/3
  • Focus peaking
  • Larger sensor
  • $297
  • 1/2.3 inch
  • Waterproof
  • In-Camera Image Stabilization

Compared to Olympus TG-5

Olympus TG-4
Olympus TG-5
  • $452
  • 1/2.3 inch
  • Fast startup
  • More pixels
  • $399
  • 1/2.3 inch
  • Less expensive
  • Slower slow-motion
Panasonic G100
Olympus TG-5
  • $599
  • 4/3
  • Larger sensor
  • Tilt-swivel screen
  • $399
  • 1/2.3 inch
  • Less expensive
  • Waterproof

Compared to Olympus E-M5 III

Olympus TG-4
Olympus E-M5 III
  • $452
  • 1/2.3 inch
  • Less expensive
  • Waterproof
  • $924
  • 4/3
  • Tilt-swivel screen
  • Focus peaking
Panasonic G100
Olympus E-M5 III
  • $599
  • 4/3
  • Less expensive
  • In-camera panoramas
  • $924
  • 4/3
  • In-Camera Image Stabilization
  • High resolution composite

Compared to Olympus E-M10 IV

Olympus TG-4
Olympus E-M10 IV
  • $452
  • 1/2.3 inch
  • Less expensive
  • Waterproof
  • $666
  • 4/3
  • Focus peaking
  • Larger sensor
Panasonic G100
Olympus E-M10 IV
  • $599
  • 4/3
  • Less expensive
  • Tilt-swivel screen
  • $666
  • 4/3
  • In-Camera Image Stabilization
  • More telephoto lens reach
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