• 4/3 224.9mm2
  • 16.0 megapixels
  • ISO 160 - 12,800
  • 35mm 847.3mm2
  • 12.2 megapixels
  • ISO 100 - 102,400

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Differences

Panasonic GX1 advantages over Sony A7S

  • Lens selection
    Excellent vs Good
    Better lens selection gives you more options
  • Less expensive
    $388 vs $1998*
    Save money for lenses or accessories
  • Fast startup
    ~1.40 vs 2.0 sec
    Faster startup lets you catch the moment
  • Internal flash
    Internal flash vs None
    Useful in a pinch for fill flash
  • More pixels
    16.0 vs 12.2 megapixels
    Higher resolution photos
  • Longer exposure
    60 vs 30 sec
    Long exposures for night shots
  • Bigger JPEG buffer
    Unlimited vs 62 shots
    Take more JPEG shots before waiting (burst mode)

Sony A7S advantages over Panasonic GX1

  • Larger sensor
    35mm vs 4/3
    More sensor area. Bigger is (generally) better.
  • Eye-level viewfinder
    Eye-level vs Rear display only
    You'll be able to frame photos even when the sun is out
  • Bigger pixels
    ~ 8.40 vs 3.77 microns
    Better low-light and dynamic range (all else equal)
  • 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 Wi-Fi
    Wi-Fi vs None
    Share your photos wirelessly
  • NFC
    Yes vs No
    Simplifies pairing your camera with supported phones
  • Better color depth
    23.9 vs 20.8 bits
    Capture richer, more accurate colors
  • Higher effective ISO
    3,702 vs 703 iso
    Take photos in low light with less noise
  • More dynamic range
    13.2 vs 10.6 evs
    Retain detail in highlight and shadows
  • Longer stills battery life
    More info 380 vs 310 shots
    Capture more photos
  • External Mic Jack
    Jack vs No jack
    Improved sound fidelity when shooting video
  • Higher max flash sync
    1/250 vs 1/160 sec
    Reduce the effect of ambient light in flash shots
  • Newer
    4 years vs 7 years old
    Newer cameras often support more advanced features
  • Shoots 24p video
    Yes vs No
    Gives your movies a big-screen feel
  • More dots on screen
    922k vs 460k dots
    Can mean greater resolution or a brighter screen
  • Less shutter lag
    0.18 vs 0.26 sec
    Focus and take a photo quickly (wide angle)
  • Headphone jack
    Yes vs No
    Monitor audio recording while you shoot video
  • Faster JPEG shooting
    5.0 fps vs 4.1 fps
    Faster JPEG shooting (burst mode)
  • Slow-motion videos
    Yes vs No
    Shoot slow-motion videos
  • Faster shutter
    1/8000 vs 1/4000 sec
    Shoot wide open in bright light
  • Higher extended ISO
    409600 vs 12800 ISO
    Higher extended ISO can give more low-light flexibility

Similarities

Common Strengths

  • Focus peaking
    Both provide
    Your camera will highlight what's in focus
  • 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
  • In-Camera Image Stabilization
    Neither provide
    Reduces the effects of camera shake at slower shutter speeds
  • Touchscreen
    Neither provide
    Interact with your camera just like your smartphone
  • 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
  • Top deck display
    Neither provide
    Check settings with a screen on top of the camera
  • Dual card slots
    Neither provide
    Gives you more storage flexibility

User reviews

Buy From

Your purchases support this site

Buy the Panasonic GX1

Review Excerpt

  • Appealing design; Good grip; Very good image quality; Fast autofocus; Built-in Level Gauge.

  • Small rear buttons; Below-average battery life; Weak flash; Orange and yellow can have greenish cast in JPEGs; Shutter-induced motion blur with 14-42mm X Vario kit lens.

  • Outstanding high ISO performance; excellent dynamic range; 4K video recording (via uncompressed HDMI); XAVC S option for HD video; Slightly improved battery life over A7/A7R; Built-in Wi-Fi & NFC connectivity.

  • 4K video requires expensive external recorder; Sluggish startup time; Loud shutter; Silent Shooting mode hurts image quality; Lacks a built-in, pop-up flash; Limited selection of native Sony FE lenses.

The Competition

Compared to Olympus E-PL5

Panasonic GX1
Olympus E-PL5
  • $388
  • 4/3
  • Focus peaking
  • Internal flash
  • $329
  • 4/3
  • Less expensive
  • In-Camera Image Stabilization
Sony A7S
Olympus E-PL5
  • $1998
  • 35mm
  • Focus peaking
  • Larger sensor
  • $329
  • 4/3
  • Lens selection
  • Less expensive

Compared to Olympus E-PM2

Panasonic GX1
Olympus E-PM2
  • $388
  • 4/3
  • Focus peaking
  • Internal flash
  • $448
  • 4/3
  • In-Camera Image Stabilization
  • Touchscreen
Sony A7S
Olympus E-PM2
  • $1998
  • 35mm
  • Focus peaking
  • Larger sensor
  • $448
  • 4/3
  • Lens selection
  • In-Camera Image Stabilization

Compared to Leica M-E (Typ 220)

Panasonic GX1
Leica M-E (Typ 220)
  • $388
  • 4/3
  • Lens selection
  • Less expensive
  • $4896
  • 35mm
  • Larger sensor
  • Eye-level viewfinder
Sony A7S
Leica M-E (Typ 220)
  • $1998
  • 35mm
  • Lens selection
  • Less expensive
  • $4896
  • 35mm
  • Thinner
  • More pixels

Compared to Panasonic GF6

Panasonic GX1
Panasonic GF6
  • $388
  • 4/3
  • Focus peaking
  • Higher effective ISO
  • $400
  • 4/3
  • Touchscreen
  • In-camera panoramas
Sony A7S
Panasonic GF6
  • $1998
  • 35mm
  • Focus peaking
  • Larger sensor
  • $400
  • 4/3
  • Less expensive
  • Lens selection

Compared to Sony A7S II

Panasonic GX1
Sony A7S II
  • $388
  • 4/3
  • Lens selection
  • Less expensive
  • $2198
  • 35mm
  • Larger sensor
  • Eye-level viewfinder
Sony A7S
Sony A7S II
  • $1998
  • 35mm
  • Fast startup
  • Higher effective ISO
  • $2198
  • 35mm
  • In-Camera Image Stabilization
  • Shoot 4K video
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