• APS-C 369.0mm2
  • 19.6 megapixels
  • 28.00mm (35mm eq.)
  • 35mm 849.7mm2
  • 61.0 megapixels
  • ISO 100 - 32,000

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Differences

Sigma dp1 Quattro advantages over Sony A7R IV

  • Bigger pixels
    ~ 4.33 vs 3.76 microns
    Better low-light and dynamic range (all else equal)
  • Higher max flash sync
    1/1250 vs 1/250 sec
    Reduce the effect of ambient light in flash shots
  • Lighter weight
    425g vs 665g
    Lighter weight
  • Doesn't require an AA filter
    Yes vs No
    A unique sensor design provides sharp photos without moiré

Sony A7R IV advantages over Sigma dp1 Quattro

  • Focus peaking
    Peaker vs Non-peaker
    Your camera will highlight what's in focus
  • Larger sensor
    35mm vs APS-C
    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
  • In-Camera Image Stabilization
    Yes vs No
    Reduces the effects of camera shake at slower shutter speeds
  • Shoot 4K video
    4K (UHD) vs No
    Make sure you have a fast computer
  • Touchscreen
    Touch vs No touch
    Interact with your camera just like your smartphone
  • Tiltable Screen
    Tiltable vs Fixed
    Tilt the screen for shooting flexbility
  • High resolution composite
    Yes vs No
    Combine multiple shots to form a super hi-res version
  • Built-in Wi-Fi
    Wi-Fi vs None
    Share your photos wirelessly
  • NFC
    Yes vs No
    Simplifies pairing your camera with supported phones
  • Built-in Bluetooth
    Yes vs No
    Always-on wireless connectivity
  • On-sensor phase detect
    Yes vs No
    Usually improves live view and video AF performance
  • Longer stills battery life
    More info 670 vs 200 shots
    Capture more photos
  • External Mic Jack
    Jack vs No jack
    Improved sound fidelity when shooting video
  • Newer
    5 years vs 10 years old
    Newer cameras often support more advanced features
  • HDMI out
    HDMI out vs None
    Use HDMI output to monitor or review video
  • Shoots 24p video
    Yes vs No
    Gives your movies a big-screen feel
  • Shoots 1080p video
    Yes vs No
    You'll want this if you shoot video
  • More pixels
    61.0 vs 19.6 megapixels
    Higher resolution photos
  • Shoots 60p video
    Yes vs No
    A faster framerate can give you more editing options
  • Dual card slots
    Yes vs No
    Gives you more storage flexibility
  • Headphone jack
    Yes vs No
    Monitor audio recording while you shoot video
  • Bulb shutter
    Bulb vs No bulb
    Hold the shutter open manually for long exposures
  • Slow-motion videos
    Yes vs No
    Shoot slow-motion videos
  • Faster shutter
    1/8000 vs 1/2000 sec
    Shoot wide open in bright light
  • Higher extended ISO
    102400 vs 6400 ISO
    Higher extended ISO can give more low-light flexibility

Similarities

Common Strengths

  • Rear display
    Both provide
    Review photos on the back of the camera
  • RAW file ability
    Both provide
    Gives you more flexibility to develop your photos later
  • Manual focus
    Both provide
    AF is for the weak. Real photographers focus manually.
  • Hot shoe
    Both provide
    Off-camera flashes open new possibilities

Common Weaknesses

  • Tilt-swivel screen
    Neither provide
    Tilt and swivel the screen for maximum shooting flexibility
  • In-camera panoramas
    Neither provide
    Stitches multiple shots into a panoramic photo
  • Built-in GPS
    Neither provide
    Geotag your photos
  • Internal flash
    Neither provide
    Useful in a pinch for fill flash
  • Top deck display
    Neither provide
    Check settings with a screen on top of the camera

User reviews

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Review Excerpt

  • Outstanding image quality; Excellent high ISOs; Fast AF performance with Eye-AF tracking; 10fps bursts at full-resolution; Improved ergonomics; Dual UHS-II card slots; Higher-res EVF.

  • Expensive; No 4Kp60; Buffer clearing could be faster; Menus are still frustrating; Touchscreen underutilized; No built-in flash.

  • Read our Sony A7R IV Review

The Competition

Compared to Sigma DP1 Merrill

Sigma dp1 Quattro
Sigma DP1 Merrill
  • $999
  • APS-C
  • Longer stills battery life
  • More pixels
  • $849
  • APS-C
  • Less expensive
  • Bigger pixels

Compare Sigma dp1 Quattro vs Sigma DP1 Merrill

Sony A7R IV
Sigma DP1 Merrill
  • $3120
  • 35mm
  • Focus peaking
  • Larger sensor
  • $849
  • APS-C
  • Bigger pixels
  • Lighter weight

Compare Sony A7R IV vs Sigma DP1 Merrill

Compared to Sigma dp2 Quattro

Sigma dp1 Quattro
Sigma dp2 Quattro
  • $999
  • APS-C
  • Wider angle lens
  • $899
  • APS-C
  • More telephoto lens reach

Compare Sigma dp1 Quattro vs Sigma dp2 Quattro

Sony A7R IV
Sigma dp2 Quattro
  • $3120
  • 35mm
  • Focus peaking
  • Larger sensor
  • $899
  • APS-C
  • Less expensive
  • Bigger pixels

Compare Sony A7R IV vs Sigma dp2 Quattro

Compared to Sigma dp3 Quattro

Sigma dp1 Quattro
Sigma dp3 Quattro
  • $999
  • APS-C
  • Wider angle lens
  • $999
  • APS-C
  • More telephoto lens reach

Compare Sigma dp1 Quattro vs Sigma dp3 Quattro

Sony A7R IV
Sigma dp3 Quattro
  • $3120
  • 35mm
  • Focus peaking
  • Larger sensor
  • $999
  • APS-C
  • Bigger pixels
  • Higher max flash sync

Compare Sony A7R IV vs Sigma dp3 Quattro

Compared to Canon R5

Sigma dp1 Quattro
Canon R5
  • $999
  • APS-C
  • Higher max flash sync
  • Lighter weight
  • $3349
  • 35mm
  • Tilt-swivel screen
  • Focus peaking

Compare Sigma dp1 Quattro vs Canon R5

Sony A7R IV
Canon R5
  • $3120
  • 35mm
  • Less expensive
  • High resolution composite
  • $3349
  • 35mm
  • Tilt-swivel screen
  • Bigger pixels

Compare Sony A7R IV vs Canon R5

Compared to Nikon Z7 II

Sigma dp1 Quattro
Nikon Z7 II
  • $999
  • APS-C
  • Higher max flash sync
  • Lighter weight
  • $2330
  • 35mm
  • Focus peaking
  • Larger sensor

Compare Sigma dp1 Quattro vs Nikon Z7 II

Sony A7R IV
Nikon Z7 II
  • $3120
  • 35mm
  • High resolution composite
  • NFC
  • $2330
  • 35mm
  • Bigger pixels
  • Top deck display

Compare Sony A7R IV vs Nikon Z7 II

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