• APS-C 366.6mm2
  • 24.3 megapixels
  • ISO 100 - 25,600
  • 1/2.3 inch 28.1mm2
  • 12.0 megapixels
  • 25.00mm - 100.00mm (35mm eq.)

Buy From

Differences

Sony A5100 advantages over Olympus TG-5

  • Larger sensor
    APS-C vs 1/2.3 inch
    More sensor area. Bigger is (generally) better.
  • Bigger pixels
    ~ 3.92 vs 1.54 microns
    Better low-light and dynamic range (all else equal)
  • Touchscreen
    Touch vs No touch
    Interact with your camera just like your smartphone
  • Tiltable Screen
    Tiltable vs Fixed
    Tilt the screen for shooting flexbility
  • NFC
    Yes vs No
    Simplifies pairing your camera with supported phones
  • On-sensor phase detect
    Yes vs No
    Usually improves live view and video AF performance
  • Shoots 24p video
    Yes vs No
    Gives your movies a big-screen feel
  • Higher-res screen
    230k vs 154k pixels
    More detail on the screen lets you judge focus and composition
  • More pixels
    24.3 vs 12.0 megapixels
    Higher resolution photos
  • 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
  • Bigger JPEG buffer
    67 vs 21 shots
    Take more JPEG shots before waiting (burst mode)
  • Bigger RAW buffer
    25 vs 15 shots
    Larger buffer for RAW shots (burst mode)
  • Faster shutter
    1/4000 vs 1/2000 sec
    Shoot wide open in bright light
  • Higher extended ISO
    25600 vs 12800 ISO
    Higher extended ISO can give more low-light flexibility

Olympus TG-5 advantages over Sony A5100

  • Less expensive
    $299* vs $448
    Save money for lenses or accessories
  • Waterproof
    Yes vs No
    Take photos underwater without destroying your camera!
  • In-Camera Image Stabilization
    Yes vs No
    Reduces the effects of camera shake at slower shutter speeds
  • Shoot 4K video
    4K (UHD) vs 1080p
    Make sure you have a fast computer
  • Fast startup
    ~1.30 vs 2.0 sec
    Faster startup lets you catch the moment
  • Built-in GPS
    GPS vs None
    Geotag your photos
  • Newer
    7 years vs 10 years old
    Newer cameras often support more advanced features
  • Faster JPEG shooting
    20.0 fps vs 6.0 fps
    Faster JPEG shooting (burst mode)
  • Faster RAW shooting
    20.0 fps vs 6.0 fps
    Faster RAW shooting in 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
  • Focus peaking
    Both provide
    Your camera will highlight what's in focus
  • 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

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
  • Built-in Bluetooth
    Neither provide
    Always-on wireless connectivity
  • 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
  • External Mic Jack
    Neither provide
    Improved sound fidelity when shooting video
  • Hot shoe
    Neither provide
    Off-camera flashes open new possibilities
  • 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 Sony A5100

Your purchases support this site

Buy the Olympus TG-5

Review Excerpt

  • Very small and comfortable form factor; Very good image quality for its class; New dual video record function; Quick autofocus and good dynamic range.

  • Lacks an EVF and external mode dial; No hot shoe; JPEG processing at higher ISOs not as good as some competing mid-level models.

The Competition

Compared to Samsung NX1100

Sony A5100
Samsung NX1100
  • $348
  • APS-C
  • Lens selection
  • Focus peaking
  • $450
  • APS-C
  • Higher-res screen
  • Hot shoe
Olympus TG-5
Samsung NX1100
  • $399
  • 1/2.3 inch
  • Waterproof
  • Focus peaking
  • $450
  • APS-C
  • Larger sensor
  • Bigger pixels

Compared to Sony NEX-5T

Sony A5100
Sony NEX-5T
  • $348
  • APS-C
  • Higher effective ISO
  • Longer stills battery life
  • $299
  • APS-C
  • Bigger pixels
  • Higher-res screen
Olympus TG-5
Sony NEX-5T
  • $399
  • 1/2.3 inch
  • Waterproof
  • In-Camera Image Stabilization
  • $299
  • APS-C
  • Larger sensor
  • Bigger pixels

Compared to Sony A5000

Sony A5100
Sony A5000
  • $348
  • APS-C
  • Touchscreen
  • Higher effective ISO
  • $298
  • APS-C
  • Less expensive
Olympus TG-5
Sony A5000
  • $399
  • 1/2.3 inch
  • Waterproof
  • In-Camera Image Stabilization
  • $298
  • APS-C
  • Larger sensor
  • Bigger pixels

Compared to Ricoh WG-5 GPS

Sony A5100
Ricoh WG-5 GPS
  • $348
  • APS-C
  • Focus peaking
  • Larger sensor
  • $297
  • 1/2.3 inch
  • Less expensive
  • Waterproof
Olympus TG-5
Ricoh WG-5 GPS
  • $399
  • 1/2.3 inch
  • Focus peaking
  • Slower slow-motion
  • $297
  • 1/2.3 inch
  • More pixels
  • Faster shutter

Compared to Olympus TG-6

Sony A5100
Olympus TG-6
  • $348
  • APS-C
  • Larger sensor
  • Bigger pixels
  • $459
  • 1/2.3 inch
  • Waterproof
  • In-Camera Image Stabilization
Olympus TG-5
Olympus TG-6
  • $399
  • 1/2.3 inch
  • Less expensive
  • $459
  • 1/2.3 inch
  • Fast startup
  • Newer
Compare Other Cameras?