• 4/3 224.9mm2
  • 16.0 megapixels
  • ISO 200 - 25,600
  • 1/2.3 inch 28.1mm2
  • 18.2 megapixels
  • 24.00mm - 720.00mm (35mm eq.)

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Differences

Panasonic GX850 advantages over Sony HX99

  • Larger sensor
    4/3 vs 1/2.3 inch
    More sensor area. Bigger is (generally) better.
  • Bigger pixels
    ~ 3.77 vs 1.26 microns
    Better low-light and dynamic range (all else equal)
  • Longer exposure
    60 vs 30 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 12800 ISO
    Higher extended ISO can give more low-light flexibility

Sony HX99 advantages over Panasonic GX850

  • Eye-level viewfinder
    Eye-level vs Rear display only
    You'll be able to frame photos even when the sun is out
  • In-Camera Image Stabilization
    Yes vs No
    Reduces the effects of camera shake at slower shutter speeds
  • NFC
    Yes vs No
    Simplifies pairing your camera with supported phones
  • Built-in Bluetooth
    Yes vs No
    Always-on wireless connectivity
  • Longer video battery life
    55 vs 20 minutes
    Capture more video
  • Longer stills battery life
    More info 370 vs 210 shots
    Capture more photos
  • Higher max flash sync
    1/2000 vs 1/50 sec
    Reduce the effect of ambient light in flash shots
  • Bigger RAW buffer
    50 vs 17 shots
    Larger buffer for RAW shots (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
  • Shoot 4K video
    Both provide
    Make sure you have a fast computer
  • Touchscreen
    Both provide
    Interact with your camera just like your smartphone
  • In-camera panoramas
    Both provide
    Stitches multiple shots into a panoramic photo
  • Tiltable Screen
    Both provide
    Tilt the screen for shooting flexbility
  • 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
  • Built-in GPS
    Neither provide
    Geotag your photos
  • 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
  • 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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Kit with 12-32mm Lens (Black)
  • Kit with 12-32mm Lens (Black)
  • Kit with 12-32mm Lens (Silver)

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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.

  • Read our Panasonic GX850 Review

The Competition

Compared to Panasonic GM5

Panasonic GX850
Panasonic GM5
  • $548
  • 4/3
  • Less expensive
  • Shoot 4K video
  • $898
  • 4/3
  • Eye-level viewfinder
  • Fast startup

Compare Panasonic GX850 vs Panasonic GM5

Sony HX99
Panasonic GM5
  • $473
  • 1/2.3 inch
  • In-Camera Image Stabilization
  • Shoot 4K video
  • $898
  • 4/3
  • Larger sensor
  • Bigger pixels

Compare Sony HX99 vs Panasonic GM5

Compared to Panasonic GF7

Panasonic GX850
Panasonic GF7
  • $548
  • 4/3
  • Shoot 4K video
  • Lacks anti-aliasing filter
  • $590
  • 4/3
  • Fast startup
  • Has anti-aliasing filter

Compare Panasonic GX850 vs Panasonic GF7

Sony HX99
Panasonic GF7
  • $473
  • 1/2.3 inch
  • Eye-level viewfinder
  • In-Camera Image Stabilization
  • $590
  • 4/3
  • Larger sensor
  • Bigger pixels

Compare Sony HX99 vs Panasonic GF7

Compared to Sony HX90V

Panasonic GX850
Sony HX90V
  • $548
  • 4/3
  • Larger sensor
  • Bigger pixels
  • $448
  • 1/2.3 inch
  • Eye-level viewfinder
  • In-Camera Image Stabilization

Compare Panasonic GX850 vs Sony HX90V

Sony HX99
Sony HX90V
  • $473
  • 1/2.3 inch
  • Shoot 4K video
  • Touchscreen
  • $448
  • 1/2.3 inch
  • Built-in GPS
  • Longer video battery life

Compare Sony HX99 vs Sony HX90V

Compared to Sony HX80

Panasonic GX850
Sony HX80
  • $548
  • 4/3
  • Focus peaking
  • Larger sensor
  • $368
  • 1/2.3 inch
  • Eye-level viewfinder
  • In-Camera Image Stabilization

Compare Panasonic GX850 vs Sony HX80

Sony HX99
Sony HX80
  • $473
  • 1/2.3 inch
  • Focus peaking
  • Shoot 4K video
  • $368
  • 1/2.3 inch
  • Less expensive

Compare Sony HX99 vs Sony HX80

Compared to Olympus E-PL10

Panasonic GX850
Olympus E-PL10
  • $548
  • 4/3
  • Lacks anti-aliasing filter
  • Wider angle kit lens
  • $549
  • 4/3
  • In-Camera Image Stabilization
  • Built-in Bluetooth

Compare Panasonic GX850 vs Olympus E-PL10

Sony HX99
Olympus E-PL10
  • $473
  • 1/2.3 inch
  • Less expensive
  • Eye-level viewfinder
  • $549
  • 4/3
  • Larger sensor
  • Bigger pixels

Compare Sony HX99 vs Olympus E-PL10

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