• 1 inch 116.2mm2
  • 20.2 megapixels
  • 28.00mm - 100.00mm (35mm eq.)
  • 1/2.3 inch 28.1mm2
  • 16.0 megapixels
  • 25.00mm - 100.00mm (35mm eq.)

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Differences

Sony RX100 advantages over Olympus TG-4

  • Focus peaking
    Peaker vs Non-peaker
    Your camera will highlight what's in focus
  • Larger sensor
    1 inch vs 1/2.3 inch
    More sensor area. Bigger is (generally) better.
  • Bigger pixels
    ~ 2.41 vs 1.34 microns
    Better low-light and dynamic range (all else equal)
  • Higher-res screen
    307k vs 154k pixels
    More detail on the screen lets you judge focus and composition
  • Less shutter lag
    0.15 vs 0.26 sec
    Focus and take a photo quickly (wide angle)
  • More pixels
    20.2 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
    10.0 fps vs 5.1 fps
    Faster JPEG shooting (burst mode)
  • Higher extended ISO
    25600 vs 6400 ISO
    Higher extended ISO can give more low-light flexibility

Olympus TG-4 advantages over Sony RX100

  • Waterproof
    Yes vs No
    Take photos underwater without destroying your camera!
  • Fast startup
    ~1.00 vs 2.8 sec
    Faster startup lets you catch the moment
  • Built-in Wi-Fi
    Wi-Fi vs None
    Share your photos wirelessly
  • Built-in GPS
    GPS vs None
    Geotag your photos
  • Wider angle lens
    25 mm vs 28 mm
    Capture more of the scene
  • Bigger JPEG buffer
    100 vs 13 shots
    Take more JPEG shots before waiting (burst mode)
  • Slow-motion videos
    Yes vs No
    Shoot slow-motion videos

Similarities

Common Strengths

  • In-Camera Image Stabilization
    Both provide
    Reduces the effects of camera shake at slower shutter speeds
  • 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
  • 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

Common Weaknesses

  • Tilt-swivel screen
    Neither provide
    Tilt and swivel the screen for maximum shooting flexibility
  • Eye-level viewfinder
    Neither provide
    You'll be able to frame photos even when the sun is out
  • Touchscreen
    Neither provide
    Interact with your camera just like your smartphone
  • Tiltable Screen
    Neither provide
    Tilt the screen for shooting flexbility
  • NFC
    Neither provide
    Simplifies pairing your camera with supported phones
  • Built-in Bluetooth
    Neither provide
    Always-on wireless connectivity
  • 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
  • External Mic Jack
    Neither provide
    Improved sound fidelity when shooting video
  • Hot shoe
    Neither provide
    Off-camera flashes open new possibilities
  • Headphone jack
    Neither provide
    Monitor audio recording while you shoot video

User reviews

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Buy the Sony RX100
Sony RX100

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Buy the Olympus TG-4
Olympus TG-4 (Black)
  • Olympus TG-4 (Black)
  • Olympus TG-4 (Red)
All TG-4 Deals

Review Excerpt

  • Excellent high-ISO performance for such a compact model; Smart controls; Small body; Bright lens; 10fps full-res burst mode; Very fast shutter response; Excellent LCD.

  • Lens flare at night; Poor rendering of yellows; Slow flash recycling; Soft corners wide open; Continuous AF mode slow to lock.

  • Read our Sony RX100 Review

  • 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.

  • Read our Olympus TG-4 Review

The Competition

Compared to Sony RX100 II

Sony RX100
Sony RX100 II
  • $1074
  • 1 inch
  • Faster RAW shooting
  • $598
  • 1 inch
  • Tiltable Screen
  • Built-in Wi-Fi

Compare Sony RX100 vs Sony RX100 II

Olympus TG-4
Sony RX100 II
  • $379
  • 1/2.3 inch
  • Less expensive
  • Waterproof
  • $598
  • 1 inch
  • Focus peaking
  • Larger sensor

Compare Olympus TG-4 vs Sony RX100 II

Compared to Sony RX100 III

Sony RX100
Sony RX100 III
  • $1074
  • 1 inch
  • More telephoto lens reach
  • Faster RAW shooting
  • $748
  • 1 inch
  • Eye-level viewfinder
  • Tiltable Screen

Compare Sony RX100 vs Sony RX100 III

Olympus TG-4
Sony RX100 III
  • $379
  • 1/2.3 inch
  • Less expensive
  • Waterproof
  • $748
  • 1 inch
  • Focus peaking
  • Larger sensor

Compare Olympus TG-4 vs Sony RX100 III

Compared to Olympus TG-3

Sony RX100
Olympus TG-3
  • $1074
  • 1 inch
  • Focus peaking
  • Larger sensor
  • $349
  • 1/2.3 inch
  • Less expensive
  • Waterproof

Compare Sony RX100 vs Olympus TG-3

Olympus TG-4
Olympus TG-3
  • $379
  • 1/2.3 inch
  • RAW file ability
  • Manual focus
  • $349
  • 1/2.3 inch

Compare Olympus TG-4 vs Olympus TG-3

Compared to Canon G7X

Sony RX100
Canon G7X
  • $1074
  • 1 inch
  • In-camera panoramas
  • Longer stills battery life
  • $1239
  • 1 inch
  • Touchscreen
  • Tiltable Screen

Compare Sony RX100 vs Canon G7X

Olympus TG-4
Canon G7X
  • $379
  • 1/2.3 inch
  • Waterproof
  • In-camera panoramas
  • $1239
  • 1 inch
  • Focus peaking
  • Larger sensor

Compare Olympus TG-4 vs Canon G7X

Compared to Ricoh WG-5 GPS

Sony RX100
Ricoh WG-5 GPS
  • $1074
  • 1 inch
  • Focus peaking
  • Larger sensor
  • $297
  • 1/2.3 inch
  • Less expensive
  • Waterproof

Compare Sony RX100 vs Ricoh WG-5 GPS

Olympus TG-4
Ricoh WG-5 GPS
  • $379
  • 1/2.3 inch
  • Slower slow-motion
  • RAW file ability
  • $297
  • 1/2.3 inch
  • Shoots 60p video
  • Faster shutter

Compare Olympus TG-4 vs Ricoh WG-5 GPS

Compare Other Cameras?