• 4/3 224.9mm2
  • 16.1 megapixels
  • ISO 200 - 25,600
  • 35mm 858.0mm2
  • 24.6 megapixels
  • ISO 100 - 25,600

Buy From

Differences

Panasonic GH4 advantages over Sigma fp

  • Less expensive
    $800* vs $1599
    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
  • Built-in Wi-Fi
    Wi-Fi vs None
    Share your photos wirelessly
  • NFC
    Yes vs No
    Simplifies pairing your camera with supported phones
  • Internal flash
    Internal flash vs None
    Useful in a pinch for fill flash
  • Higher max flash sync
    1/250 vs 1/30 sec
    Reduce the effect of ambient light in flash shots
  • Headphone jack
    Yes vs No
    Monitor audio recording while you shoot video
  • Has anti-aliasing filter
    Filter vs No Filter
    Reduces unsightly moiré in photos
  • Longer exposure
    60 vs 30 sec
    Long exposures for night shots
  • Bigger JPEG buffer
    Unlimited vs 12 shots
    Take more JPEG shots before waiting (burst mode)
  • Bigger RAW buffer
    21 vs 12 shots
    Larger buffer for RAW shots (burst mode)

Sigma fp advantages over Panasonic GH4

  • Slower slow-motion
    120 fps vs 96 fps
    Supports slower slow-mo
  • Larger sensor
    35mm vs 4/3
    More sensor area. Bigger is (generally) better.
  • In-Camera Image Stabilization
    Yes vs No
    Reduces the effects of camera shake at slower shutter speeds
  • Bigger pixels
    ~ 5.98 vs 3.75 microns
    Better low-light and dynamic range (all else equal)
  • Thinner
    45 mm vs 83 mm
    Thinner
  • Newer
    5 years vs 11 years old
    Newer cameras often support more advanced features
  • Lighter weight
    422g vs 569g
    Lighter weight
  • More dots on screen
    2100k vs 1037k dots
    Can mean greater resolution or a brighter screen
  • More pixels
    24.6 vs 16.1 megapixels
    Higher resolution photos
  • Lacks anti-aliasing filter
    No Filter vs Filter
    Enjoy sharper photos
  • Faster JPEG shooting
    18.0 fps vs 12.8 fps
    Faster JPEG shooting (burst mode)
  • Faster RAW shooting
    18.0 fps vs 11.8 fps
    Faster RAW shooting in burst mode
  • Higher extended ISO
    102400 vs 25600 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
  • Shoot 4K video
    Both provide
    Make sure you have a fast computer
  • Touchscreen
    Both provide
    Interact with your camera just like your smartphone
  • 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
  • Slow-motion videos
    Both provide
    Shoot slow-motion videos

Common Weaknesses

  • In-camera panoramas
    Neither provide
    Stitches multiple shots into a panoramic photo
  • 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 GH4
Body Only
All GH4 Deals

Your purchases support this site

Buy the Sigma fp
Body Only
  • Body Only
  • Kit with 45mm f/2.8 lens
All fp Deals

Review Excerpt

  • 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

Panasonic GH4
Panasonic GH3
  • $899
  • 4/3
  • Focus peaking
  • Shoot 4K video
  • $798
  • 4/3

Compare Panasonic GH4 vs Panasonic GH3

Sigma fp
Panasonic GH3
  • $1699
  • 35mm
  • Focus peaking
  • Larger sensor
  • $798
  • 4/3
  • Tilt-swivel screen
  • Eye-level viewfinder

Compare Sigma fp vs Panasonic GH3

Compared to Olympus E-M1

Panasonic GH4
Olympus E-M1
  • $899
  • 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

Sigma fp
Olympus E-M1
  • $1699
  • 35mm
  • Larger sensor
  • Bigger pixels
  • $1099
  • 4/3
  • Eye-level viewfinder
  • Tiltable Screen

Compare Sigma fp vs Olympus E-M1

Compared to Panasonic G7

Panasonic GH4
Panasonic G7
  • $899
  • 4/3
  • Fast startup
  • NFC
  • $498
  • 4/3
  • Less expensive
  • In-camera panoramas

Compare Panasonic GH4 vs Panasonic G7

Sigma fp
Panasonic G7
  • $1699
  • 35mm
  • Larger sensor
  • In-Camera Image Stabilization
  • $498
  • 4/3
  • Less expensive
  • Tilt-swivel screen

Compare Sigma fp vs Panasonic G7

Compared to Sony A7C

Panasonic GH4
Sony A7C
  • $899
  • 4/3
  • Less expensive
  • Lens selection
  • $1598
  • 35mm
  • Larger sensor
  • Slower slow-motion

Compare Panasonic GH4 vs Sony A7C

Sigma fp
Sony A7C
  • $1699
  • 35mm
  • Thinner
  • More dots on screen
  • $1598
  • 35mm
  • Tilt-swivel screen
  • Eye-level viewfinder

Compare Sigma fp vs Sony A7C

Compared to Sigma fp L

Panasonic GH4
Sigma fp L
  • $899
  • 4/3
  • Tilt-swivel screen
  • Eye-level viewfinder
  • $2499
  • 35mm
  • Larger sensor
  • Slower slow-motion

Compare Panasonic GH4 vs Sigma fp L

Sigma fp
Sigma fp L
  • $1699
  • 35mm
  • Bigger pixels
  • Higher max flash sync
  • $2499
  • 35mm
  • More pixels
  • Has anti-aliasing filter

Compare Sigma fp vs Sigma fp L

Compare Other Cameras?