• 35mm 847.3mm2
  • 24.2 megapixels
  • ISO 100 - 51,200
  • 1 inch 116.2mm2
  • 20.2 megapixels
  • 24.00mm - 120.00mm (35mm eq.)

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Differences

Sony A9 advantages over Canon G5X Mark II

  • Larger sensor
    35mm vs 1 inch
    More sensor area. Bigger is (generally) better.
  • Bigger pixels
    ~ 5.93 vs 2.41 microns
    Better low-light and dynamic range (all else equal)
  • NFC
    Yes vs No
    Simplifies pairing your camera with supported phones
  • Longer video battery life
    105 vs 55 minutes
    Capture more video
  • On-sensor phase detect
    Yes vs No
    Usually improves live view and video AF performance
  • Longer stills battery life
    More info 650 vs 230 shots
    Capture more photos
  • External Mic Jack
    Jack vs No jack
    Improved sound fidelity when shooting video
  • Shoots 24p video
    Yes vs No
    Gives your movies a big-screen feel
  • Hot shoe
    Hot shoe vs None
    Off-camera flashes open new possibilities
  • More pixels
    24.2 vs 20.2 megapixels
    Higher resolution photos
  • Dual card slots
    Yes vs No
    Gives you more storage flexibility
  • Headphone jack
    Yes vs No
    Monitor audio recording while you shoot video
  • Bigger JPEG buffer
    364 vs 122 shots
    Take more JPEG shots before waiting (burst mode)
  • Bigger RAW buffer
    240 vs 71 shots
    Larger buffer for RAW shots (burst mode)
  • Higher extended ISO
    204800 vs 25600 ISO
    Higher extended ISO can give more low-light flexibility

Canon G5X Mark II advantages over Sony A9

  • Less expensive
    $899 vs $2995
    Save money for lenses or accessories
  • In-camera panoramas
    Yes vs No
    Stitches multiple shots into a panoramic photo
  • Internal flash
    Internal flash vs None
    Useful in a pinch for fill flash
  • Integrated ND filter
    Yes vs No
    Shoot in daylight with a large aperture or slow shutter
  • Thinner
    46 mm vs 63 mm
    Thinner
  • Higher max flash sync
    1/2000 vs 1/250 sec
    Reduce the effect of ambient light in flash shots
  • Newer
    5 years vs 8 years old
    Newer cameras often support more advanced features
  • Lighter weight
    340g vs 673g
    Lighter weight
  • Less shutter lag
    0.15 vs 0.22 sec
    Focus and take a photo quickly (wide angle)
  • Faster RAW shooting
    30.0 fps vs 20.0 fps
    Faster RAW shooting in burst mode

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
  • Eye-level viewfinder
    Both provide
    You'll be able to frame photos even when the sun is out
  • In-Camera Image Stabilization
    Both provide
    Reduces the effects of camera shake at slower shutter speeds
  • Shoot 4K video
    Both provide
    Make sure you have a fast computer
  • Touchscreen
    Both provide
    Interact with your camera just like your smartphone
  • 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
  • Built-in Bluetooth
    Both provide
    Always-on wireless connectivity
  • 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
  • Bulb shutter
    Both provide
    Hold the shutter open manually for long exposures
  • Slow-motion videos
    Both provide
    Shoot slow-motion videos

Common Weaknesses

  • Tilt-swivel screen
    Neither provide
    Tilt and swivel the screen for maximum shooting flexibility
  • Built-in GPS
    Neither provide
    Geotag your photos
  • Top deck display
    Neither provide
    Check settings with a screen on top of the camera

User reviews

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Review Excerpt

  • New sensor offers incredible performance; Excellent image quality at low & high ISOs; Very good dynamic range; Phenomenal 20fps burst speed & deep buffer; Very good battery life for a mirrorless; 4K video; Dual card slots.

  • Slow buffer clearing; Only one card slot is UHS-II compatible; Touchscreen underutilized; No lossless RAW compression option; No 4K/60p option.

  • Read our Sony A9 Review

The Competition

Compared to Leica SL (Typ 601)

Sony A9
Leica SL (Typ 601)
  • $2997
  • 35mm
  • Less expensive
  • In-Camera Image Stabilization
  • $3802
  • 35mm
  • Built-in GPS
  • Top deck display

Compare Sony A9 vs Leica SL (Typ 601)

Canon G5X Mark II
Leica SL (Typ 601)
  • $899
  • 1 inch
  • Less expensive
  • In-Camera Image Stabilization
  • $3802
  • 35mm
  • Larger sensor
  • Bigger pixels

Compare Canon G5X Mark II vs Leica SL (Typ 601)

Compared to Canon G7X Mark II

Sony A9
Canon G7X Mark II
  • $2997
  • 35mm
  • Larger sensor
  • Eye-level viewfinder
  • $700
  • 1 inch
  • Less expensive
  • Internal flash

Compare Sony A9 vs Canon G7X Mark II

Canon G5X Mark II
Canon G7X Mark II
  • $899
  • 1 inch
  • Eye-level viewfinder
  • Shoot 4K video
  • $700
  • 1 inch
  • Less expensive
  • NFC

Compare Canon G5X Mark II vs Canon G7X Mark II

Compared to Sony A7R III

Sony A9
Sony A7R III
  • $2997
  • 35mm
  • Bigger pixels
  • Fast startup
  • $2151
  • 35mm
  • Less expensive
  • High resolution composite

Compare Sony A9 vs Sony A7R III

Canon G5X Mark II
Sony A7R III
  • $899
  • 1 inch
  • Less expensive
  • In-camera panoramas
  • $2151
  • 35mm
  • Larger sensor
  • Bigger pixels

Compare Canon G5X Mark II vs Sony A7R III

Compared to Canon G7X Mark III

Sony A9
Canon G7X Mark III
  • $2997
  • 35mm
  • Larger sensor
  • Eye-level viewfinder
  • $1042
  • 1 inch
  • Less expensive
  • In-camera panoramas

Compare Sony A9 vs Canon G7X Mark III

Canon G5X Mark II
Canon G7X Mark III
  • $899
  • 1 inch
  • Eye-level viewfinder
  • More telephoto lens reach
  • $1042
  • 1 inch
  • Less expensive
  • External Mic Jack

Compare Canon G5X Mark II vs Canon G7X Mark III

Compared to Sony A9 II

Sony A9
Sony A9 II
  • $2997
  • 35mm
  • Less expensive
  • $4498
  • 35mm
  • Newer

Compare Sony A9 vs Sony A9 II

Canon G5X Mark II
Sony A9 II
  • $899
  • 1 inch
  • Less expensive
  • In-camera panoramas
  • $4498
  • 35mm
  • Larger sensor
  • Bigger pixels

Compare Canon G5X Mark II vs Sony A9 II

Compare Other Cameras?