• 35mm 855.6mm2
  • 24.3 megapixels
  • 35.00mm (35mm eq.)
  • 4/3 224.9mm2
  • 16.1 megapixels
  • ISO 200 - 25,600

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Differences

Sony RX1 advantages over Panasonic GH4

  • Larger sensor
    35mm vs 4/3
    More sensor area. Bigger is (generally) better.
  • Bigger pixels
    ~ 5.97 vs 3.75 microns
    Better low-light and dynamic range (all else equal)
  • In-camera panoramas
    Yes vs No
    Stitches multiple shots into a panoramic photo
  • Higher effective ISO
    2,534 vs 791 iso
    Take photos in low light with less noise
  • More dynamic range
    14.3 vs 12.8 evs
    Retain detail in highlight and shadows
  • Higher max flash sync
    1/4000 vs 1/250 sec
    Reduce the effect of ambient light in flash shots
  • More pixels
    24.3 vs 16.1 megapixels
    Higher resolution photos

Panasonic GH4 advantages over Sony RX1

  • Less expensive
    $799 vs $2398
    Save money for lenses or accessories
  • Tilt-swivel screen
    Tilt-swivel vs none
    Tilt and swivel the screen for maximum shooting flexibility
  • Eye-level viewfinder
    Eye-level vs Rear display only
    You'll be able to frame photos even when the sun is out
  • Shoot 4K video
    4K (DCI) vs 1080p
    Make sure you have a fast computer
  • Touchscreen
    Touch vs No touch
    Interact with your camera just like your smartphone
  • Fast startup
    ~0.80 vs 1.7 sec
    Faster startup lets you catch the moment
  • Built-in Wi-Fi
    Wi-Fi vs None
    Share your photos wirelessly
  • Longer stills battery life
    More info 530 vs 220 shots
    Capture more photos
  • Less shutter lag
    0.19 vs 0.27 sec
    Focus and take a photo quickly (wide angle)
  • Headphone jack
    Yes vs No
    Monitor audio recording while you shoot video
  • Longer exposure
    60 vs 30 sec
    Long exposures for night shots
  • Faster JPEG shooting
    12.8 fps vs 5.1 fps
    Faster JPEG shooting (burst mode)
  • Bigger JPEG buffer
    Unlimited vs 15 shots
    Take more JPEG shots before waiting (burst mode)
  • Faster RAW shooting
    11.8 fps vs 5.2 fps
    Faster RAW shooting in burst mode
  • Bigger RAW buffer
    21 vs 15 shots
    Larger buffer for RAW shots (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

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
  • RAW file ability
    Both provide
    Gives you more flexibility to develop your photos later
  • Internal flash
    Both provide
    Useful in a pinch for fill flash
  • Manual focus
    Both provide
    AF is for the weak. Real photographers focus manually.
  • External Mic Jack
    Both provide
    Improved sound fidelity when shooting video
  • 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

  • In-Camera Image Stabilization
    Neither provide
    Reduces the effects of camera shake at slower shutter speeds
  • 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
  • Integrated ND filter
    Neither provide
    Shoot in daylight with a large aperture or slow shutter
  • Dual card slots
    Neither provide
    Gives you more storage flexibility

User reviews

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Review Excerpt

  • Full-frame, 24-megapixel sensor in a compact body; Carl Zeiss Sonnar 35mm f/2 T* lens; Blazing fast autofocus; Impressive image quality that rivals (and sometimes surpasses) full-frame DSLRs; Customizable function buttons make it a breeze to use.

  • Fixed-length lens limits shooting flexibility; Some exposure bias, color shift, moire and video AF issues; Viewfinders (optical or electronic) only available as optional accessories; Extremely expensive for a compact camera.

  • Read our Sony RX1 Review

  • Excellent still image quality for its class; Fantastic, highly-detailed video quality; Superior video recording chops with 4K video (both Cinema 4K and Ultra HD); Responsive all-around performer with great AF performance and burst shooting; Rolling shutter is minimal with 60p and 30p video; Splash- and dust-proof magnesium alloy body; Built-in Wi-Fi with NFC.

  • High ISO performance not as good as some APS-C models (IQ drops quickly past ISO 3200); Overall still image quality not significantly better than the GH3; Sluggish buffer clearing with RAW files; Rolling shutter noticeable on 4K video; Not as compact as most mirrorless cameras.

  • Read our Panasonic GH4 Review

The Competition

Compared to Panasonic GH3

Sony RX1
Panasonic GH3
  • $2398
  • 35mm
  • Focus peaking
  • Larger sensor
  • $798
  • 4/3
  • Tilt-swivel screen
  • Eye-level viewfinder

Compare Sony RX1 vs Panasonic GH3

Panasonic GH4
Panasonic GH3
  • $898
  • 4/3
  • Focus peaking
  • Shoot 4K video
  • $798
  • 4/3

Compare Panasonic GH4 vs Panasonic GH3

Compared to Sony RX1R

Sony RX1
Sony RX1R
  • $2398
  • 35mm
  • Has anti-aliasing filter
  • $2598
  • 35mm
  • Lacks anti-aliasing filter

Compare Sony RX1 vs Sony RX1R

Panasonic GH4
Sony RX1R
  • $898
  • 4/3
  • Less expensive
  • Tilt-swivel screen
  • $2598
  • 35mm
  • Larger sensor
  • Bigger pixels

Compare Panasonic GH4 vs Sony RX1R

Compared to Olympus E-M1

Sony RX1
Olympus E-M1
  • $2398
  • 35mm
  • Larger sensor
  • Bigger pixels
  • $1099
  • 4/3
  • Eye-level viewfinder
  • In-Camera Image Stabilization

Compare Sony RX1 vs Olympus E-M1

Panasonic GH4
Olympus E-M1
  • $898
  • 4/3
  • Tilt-swivel screen
  • Shoot 4K video
  • $1099
  • 4/3
  • In-Camera Image Stabilization
  • On-sensor phase detect

Compare Panasonic GH4 vs Olympus E-M1

Compared to Sony RX1R II

Sony RX1
Sony RX1R II
  • $2398
  • 35mm
  • Less expensive
  • Bigger pixels
  • $3298
  • 35mm
  • Eye-level viewfinder
  • Tiltable Screen

Compare Sony RX1 vs Sony RX1R II

Panasonic GH4
Sony RX1R II
  • $898
  • 4/3
  • Less expensive
  • Tilt-swivel screen
  • $3298
  • 35mm
  • Slower slow-motion
  • Larger sensor

Compare Panasonic GH4 vs Sony RX1R II

Compared to Zeiss ZX1

Sony RX1
Zeiss ZX1
  • $2398
  • 35mm
  • Focus peaking
  • Bigger pixels
  • $6000
  • 35mm
  • Eye-level viewfinder
  • Shoot 4K video

Compare Sony RX1 vs Zeiss ZX1

Panasonic GH4
Zeiss ZX1
  • $898
  • 4/3
  • Focus peaking
  • Tilt-swivel screen
  • $6000
  • 35mm
  • Larger sensor
  • Bigger pixels

Compare Panasonic GH4 vs Zeiss ZX1

Compare Other Cameras?