• 1/2.35 inch 27.3mm2
  • 8.0 megapixels
  • 36.00mm - 180.00mm (35mm eq.)
  • 1/2.4 inch 27.1mm2
  • 10.2 megapixels
  • 25.00mm - 100.00mm (35mm eq.)

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Differences

Olympus 840 advantages over Sony DSC-TX7

  • Less expensive
    $250 vs $350 (MSRP)
    Save money for lenses or accessories
  • More telephoto lens reach
    180 mm vs 100 mm
    Capture objects farther away
  • Longer exposure
    4 vs 2 sec
    Long exposures for night shots

Sony DSC-TX7 advantages over Olympus 840

  • Thinner
    17 mm vs 24 mm
    Thinner
  • HDMI out
    HDMI out vs None
    Use HDMI output to monitor or review video
  • More dots on screen
    922k vs 230k dots
    Can mean greater resolution or a brighter screen
  • More pixels
    10.2 vs 8.0 megapixels
    Higher resolution photos
  • Wider angle lens
    25 mm vs 36 mm
    Capture more of the scene
  • Faster JPEG shooting
    10.0 fps vs 1.0 fps
    Faster JPEG shooting (burst mode)
  • Bigger JPEG buffer
    10 vs 6 shots
    Take more JPEG shots before waiting (burst mode)
  • Higher extended ISO
    3200 vs 1600 ISO
    Higher extended ISO can give more low-light flexibility

Similarities

Common Strengths

  • In-Camera Image Stabilization
    Both provide
    Reduces the effects of camera shake at slower shutter speeds
  • Internal flash
    Both provide
    Useful in a pinch for fill flash

Common Weaknesses

  • Focus peaking
    Neither provide
    Your camera will highlight what's in focus
  • 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
  • In-camera panoramas
    Neither provide
    Stitches multiple shots into a panoramic photo
  • Tiltable Screen
    Neither provide
    Tilt the screen for shooting flexbility
  • RAW file ability
    Neither provide
    Gives you more flexibility to develop your photos later
  • 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
  • Manual focus
    Neither provide
    AF is for the weak. Real photographers focus manually.
  • 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
  • Bulb shutter
    Neither provide
    Hold the shutter open manually for long exposures
  • Slow-motion videos
    Neither provide
    Shoot slow-motion videos

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Review Excerpt

The Competition

Compared to Sony DSC-W150

Olympus 840
Sony DSC-W150
  • $173
  • 1/2.35 inch
  • Larger sensor
  • More telephoto lens reach
  • $163
  • 1/2.5 inch
  • Eye-level viewfinder
  • Manual focus
Sony DSC-TX7
Sony DSC-W150
  • $348
  • 1/2.4 inch
  • Thinner
  • HDMI out
  • $163
  • 1/2.5 inch
  • Less expensive
  • Eye-level viewfinder

Compared to Pentax V20

Olympus 840
Pentax V20
  • $173
  • 1/2.35 inch
  • In-Camera Image Stabilization
  • $203
  • 1/2.35 inch
  • Manual focus
  • Faster JPEG shooting
Sony DSC-TX7
Pentax V20
  • $348
  • 1/2.4 inch
  • In-Camera Image Stabilization
  • Thinner
  • $203
  • 1/2.35 inch
  • Less expensive
  • More telephoto lens reach

Compared to Sony DSC-T77

Olympus 840
Sony DSC-T77
  • $173
  • 1/2.35 inch
  • Less expensive
  • More telephoto lens reach
  • $287
  • 1/2.3 inch
  • Manual focus
  • Thinner
Sony DSC-TX7
Sony DSC-T77
  • $348
  • 1/2.4 inch
  • HDMI out
  • More dots on screen
  • $287
  • 1/2.3 inch
  • Less expensive
  • More telephoto lens reach

Compared to Olympus FE-370

Olympus 840
Olympus FE-370
  • $173
  • 1/2.35 inch
  • $136
  • 1/2.35 inch
  • Less expensive
  • Higher extended ISO
Sony DSC-TX7
Olympus FE-370
  • $348
  • 1/2.4 inch
  • Thinner
  • HDMI out
  • $136
  • 1/2.35 inch
  • Less expensive
  • More telephoto lens reach

Compared to Sony DSC-TX1

Olympus 840
Sony DSC-TX1
  • $173
  • 1/2.35 inch
  • Less expensive
  • More telephoto lens reach
  • $303
  • 1/2.4 inch
  • Thinner
  • More pixels
Sony DSC-TX7
Sony DSC-TX1
  • $348
  • 1/2.4 inch
  • HDMI out
  • More dots on screen
  • $303
  • 1/2.4 inch
  • More telephoto lens reach
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