• 1/2.3 inch 28.1mm2
  • 16.0 megapixels
  • 25.00mm - 600.00mm (35mm eq.)
  • 4/3 224.9mm2
  • 16.0 megapixels
  • ISO 200 - 25,600

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Differences

Olympus SZ-31MR advantages over Panasonic GX850

  • Less expensive
    $400 vs $550 (MSRP)
    Save money for lenses or accessories
  • In-Camera Image Stabilization
    Yes vs No
    Reduces the effects of camera shake at slower shutter speeds
  • Slow-motion videos
    Yes vs No
    Shoot slow-motion videos

Panasonic GX850 advantages over Olympus SZ-31MR

  • 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.
  • Bigger pixels
    ~ 3.77 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
  • In-camera panoramas
    Yes vs No
    Stitches multiple shots into a panoramic photo
  • Tiltable Screen
    Tiltable vs Fixed
    Tilt the screen for shooting flexbility
  • RAW file ability
    Yes vs No
    Gives you more flexibility to develop your photos later
  • Built-in Wi-Fi
    Wi-Fi vs None
    Share your photos wirelessly
  • Manual focus
    Yes vs No
    AF is for the weak. Real photographers focus manually.
  • Newer
    7 years vs 12 years old
    Newer cameras often support more advanced features
  • Shoots 24p video
    Yes vs No
    Gives your movies a big-screen feel
  • 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 JPEG shooting
    9.3 fps vs 7.0 fps
    Faster JPEG shooting (burst mode)
  • Bigger JPEG buffer
    114 vs 5 shots
    Take more JPEG shots before waiting (burst mode)
  • Faster shutter
    1/16000 vs 1/1700 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
  • Internal flash
    Both provide
    Useful in a pinch for fill flash
  • 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
  • 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
  • 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

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Your purchases support this site

Buy the Panasonic GX850

Review Excerpt

  • Impressive image quality; Sleek design; 4K video recording; Good overall performance; Tilting touchscreen; Enjoyable user experience.

  • No EVF; No hot shoe, Short 4K clip limit; MicroSD card slot, Poor battery life.

The Competition

Compared to Olympus SZ-30MR

Olympus SZ-31MR
Olympus SZ-30MR
  • $400
  • 1/2.3 inch
  • More dots on screen
  • Shoots 60p video
  • $400
  • 1/2.3 inch
Panasonic GX850
Olympus SZ-30MR
  • $548
  • 4/3
  • Focus peaking
  • Larger sensor
  • $400
  • 1/2.3 inch
  • Less expensive
  • In-Camera Image Stabilization

Compared to Olympus SZ-15

Olympus SZ-31MR
Olympus SZ-15
  • $400
  • 1/2.3 inch
  • More dots on screen
  • Shoots 1080p video
  • $162
  • 1/2.3 inch
  • Less expensive
  • Bigger JPEG buffer
Panasonic GX850
Olympus SZ-15
  • $548
  • 4/3
  • Focus peaking
  • Larger sensor
  • $162
  • 1/2.3 inch
  • Less expensive
  • In-Camera Image Stabilization

Compared to Olympus SH-50

Olympus SZ-31MR
Olympus SH-50
  • $400
  • 1/2.3 inch
  • More dots on screen
  • Shoots 60p video
  • $279
  • 1/2.3 inch
  • Less expensive
  • Touchscreen
Panasonic GX850
Olympus SH-50
  • $548
  • 4/3
  • Focus peaking
  • Larger sensor
  • $279
  • 1/2.3 inch
  • Less expensive
  • In-Camera Image Stabilization

Compared to Panasonic GM5

Olympus SZ-31MR
Panasonic GM5
  • $400
  • 1/2.3 inch
  • Less expensive
  • In-Camera Image Stabilization
  • $898
  • 4/3
  • Focus peaking
  • Larger sensor
Panasonic GX850
Panasonic GM5
  • $548
  • 4/3
  • Less expensive
  • Shoot 4K video
  • $898
  • 4/3
  • Eye-level viewfinder
  • Fast startup

Compared to Panasonic GF7

Olympus SZ-31MR
Panasonic GF7
  • $400
  • 1/2.3 inch
  • Less expensive
  • In-Camera Image Stabilization
  • $590
  • 4/3
  • Focus peaking
  • Larger sensor
Panasonic GX850
Panasonic GF7
  • $548
  • 4/3
  • Shoot 4K video
  • Lacks anti-aliasing filter
  • $590
  • 4/3
  • Fast startup
  • Has anti-aliasing filter
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