• 35mm 864.0mm2
  • 24.2 megapixels
  • ISO 50 - 50,000
  • 4/3 224.9mm2
  • 20.3 megapixels
  • ISO 200 - 25,600

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Differences

Leica SL (Typ 601) advantages over Panasonic GX9

  • Larger sensor
    35mm vs 4/3
    More sensor area. Bigger is (generally) better.
  • Bigger pixels
    ~ 6.00 vs 3.34 microns
    Better low-light and dynamic range (all else equal)
  • Built-in GPS
    GPS vs None
    Geotag your photos
  • Longer stills battery life
    More info 400 vs 260 shots
    Capture more photos
  • Top deck display
    Yes vs No
    Check settings with a screen on top of the camera
  • External Mic Jack
    Jack vs No jack
    Improved sound fidelity when shooting video
  • More viewfinder magnification
    0.80x vs 0.70x
    Get a bigger view of the scene through the eye-level viewfinder
  • More pixels
    24.2 vs 20.3 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
  • Faster JPEG shooting
    10.6 fps vs 9.2 fps
    Faster JPEG shooting (burst mode)
  • Bigger JPEG buffer
    Unlimited vs 140 shots
    Take more JPEG shots before waiting (burst mode)
  • Faster RAW shooting
    10.5 fps vs 9.1 fps
    Faster RAW shooting in burst mode
  • Slow-motion videos
    Yes vs No
    Shoot slow-motion videos
  • Higher extended ISO
    50000 vs 25600 ISO
    Higher extended ISO can give more low-light flexibility

Panasonic GX9 advantages over Leica SL (Typ 601)

  • Less expensive
    $898 vs $5995*
    Save money for lenses or accessories
  • In-Camera Image Stabilization
    Yes vs No
    Reduces the effects of camera shake at slower shutter speeds
  • In-camera panoramas
    Yes vs No
    Stitches multiple shots into a panoramic photo
  • Tiltable Screen
    Tiltable vs Fixed
    Tilt the screen for shooting flexbility
  • Built-in Bluetooth
    Yes vs No
    Always-on wireless connectivity
  • Internal flash
    Internal flash vs None
    Useful in a pinch for fill flash
  • Newer
    7 months vs 3 years old
    Newer cameras often support more advanced features

Similarities

Common Strengths

  • 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
  • Shoot 4K video
    Both provide
    Make sure you have a fast computer
  • Touchscreen
    Both provide
    Interact with your camera just like your smartphone
  • Built-in Wi-Fi
    Both provide
    Share your photos wirelessly
  • HDMI out
    Both provide
    Use HDMI output to monitor or review video
  • Hot shoe
    Both provide
    Off-camera flashes open new possibilities
  • Bulb shutter
    Both provide
    Hold the shutter open manually for long exposures

Common Weaknesses

  • Tilt-swivel screen
    Neither provide
    Tilt and swivel the screen for maximum shooting flexibility
  • NFC
    Neither provide
    Simplifies pairing your camera with supported phones
  • On-sensor phase detect
    Neither provide
    Usually improves live view and video AF performance

User reviews

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Your purchases support this site

Buy the Panasonic GX9

Review Excerpt

  • Superb build quality; Amazing EVF; Great image quality from RAW files; Good high ISO performance; Very good dynamic range; Very low shutter lag; Fast AF on stationary objects; Class-leading ~11 fps burst mode; 4K DCI and UHD video; Full HD up to 120p. Built-in Wi-Fi and GPS; Dual card slots; Decent battery life for its class.

  • Big for a full-frame mirrorless camera; Very slow buffer clearing; Contrast-detect AF system struggles with moving subjects; In-camera JPEGs are muted and dull; Very limited native lens selection (but supports many other Leica lenses via adapters); Expensive.

  • Great image quality; Good high ISO performance for its class; Improved JPEG processing; Fast autofocus; Fast ~9fps burst mode.

  • Smallish field-sequential EVF; Below average battery life; No mic/headphone jacks; Noticeable crop on 4K video.

The Competition

Compared to Leica M-P (Typ 240)

Leica SL (Typ 601)
Leica M-P (Typ 240)
  • $5995
  • 35mm
  • Shoot 4K video
  • Touchscreen
  • $5980
  • 35mm
Panasonic GX9
Leica M-P (Typ 240)
  • $898
  • 4/3
  • Lens selection
  • Less expensive
  • $5980
  • 35mm
  • Larger sensor
  • Bigger pixels

Compared to Leica M Monochrom (Typ 246)

Leica SL (Typ 601)
Leica M Monochrom (Typ 246)
  • $5995
  • 35mm
  • Less expensive
  • Shoot 4K video
  • $7847
  • 35mm
Panasonic GX9
Leica M Monochrom (Typ 246)
  • $898
  • 4/3
  • Lens selection
  • Less expensive
  • $7847
  • 35mm
  • Larger sensor
  • Bigger pixels

Compared to Panasonic GX85

Leica SL (Typ 601)
Panasonic GX85
  • $5995
  • 35mm
  • Larger sensor
  • Bigger pixels
  • $598
  • 4/3
  • Less expensive
  • In-Camera Image Stabilization
Panasonic GX9
Panasonic GX85
  • $898
  • 4/3
  • Built-in Bluetooth
  • More telephoto lens reach
  • $598
  • 4/3
  • Less expensive
  • Lighter weight

Compared to Leica M-D (Typ 262)

Leica SL (Typ 601)
Leica M-D (Typ 262)
  • $5995
  • 35mm
  • Rear display
  • Focus peaking
  • $5995
  • 35mm
Panasonic GX9
Leica M-D (Typ 262)
  • $898
  • 4/3
  • Rear display
  • Lens selection
  • $5995
  • 35mm
  • Larger sensor
  • Bigger pixels

Compared to Olympus E-M10 III

Leica SL (Typ 601)
Olympus E-M10 III
  • $5995
  • 35mm
  • Larger sensor
  • Bigger pixels
  • $499
  • 4/3
  • Less expensive
  • In-Camera Image Stabilization
Panasonic GX9
Olympus E-M10 III
  • $898
  • 4/3
  • In-camera panoramas
  • Built-in Bluetooth
  • $499
  • 4/3
  • Less expensive
  • Longer stills battery life
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