• 35mm 847.3mm2
  • 24.2 megapixels
  • ISO 100 - 51,200
  • 35mm 849.7mm2
  • 61.0 megapixels
  • ISO 100 - 32,000

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Differences

Panasonic S1 advantages over Sony A7R IV

  • Slower slow-motion
    180 fps vs 120 fps
    Supports slower slow-mo
  • Bigger pixels
    ~ 5.93 vs 3.76 microns
    Better low-light and dynamic range (all else equal)
  • Top deck display
    Yes vs No
    Check settings with a screen on top of the camera
  • Higher-res screen
    525k vs 360k pixels
    More detail on the screen lets you judge focus and composition
  • Less shutter lag
    0.14 vs 0.20 sec
    Focus and take a photo quickly (wide angle)
  • Longer exposure
    60 vs 30 sec
    Long exposures for night shots
  • Bigger JPEG buffer
    Unlimited vs 70 shots
    Take more JPEG shots before waiting (burst mode)
  • Faster RAW shooting
    9.0 fps vs 7.2 fps
    Faster RAW shooting in burst mode
  • Bigger RAW buffer
    124 vs 32 shots
    Larger buffer for RAW shots (burst mode)
  • Higher extended ISO
    204800 vs 102400 ISO
    Higher extended ISO can give more low-light flexibility

Sony A7R IV advantages over Panasonic S1

  • Less expensive
    $2699* vs $3398
    Save money for lenses or accessories
  • NFC
    Yes vs No
    Simplifies pairing your camera with supported phones
  • On-sensor phase detect
    Yes vs No
    Usually improves live view and video AF performance
  • Longer stills battery life
    More info 670 vs 380 shots
    Capture more photos
  • Lighter weight
    665g vs 1021g
    Lighter weight
  • More pixels
    61.0 vs 24.2 megapixels
    Higher resolution photos
  • Faster JPEG shooting
    10.0 fps vs 8.9 fps
    Faster JPEG shooting (burst mode)

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
  • In-Camera Image Stabilization
    Both provide
    Reduces the effects of camera shake at slower shutter speeds
  • Shoot 4K video
    Both provide
    Make sure you have a fast computer
  • Touchscreen
    Both provide
    Interact with your camera just like your smartphone
  • Tiltable Screen
    Both provide
    Tilt the screen for shooting flexbility
  • Built-in Wi-Fi
    Both provide
    Share your photos wirelessly
  • Built-in Bluetooth
    Both provide
    Always-on wireless connectivity
  • 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
  • Dual card slots
    Both provide
    Gives you more storage flexibility
  • Headphone jack
    Both provide
    Monitor audio recording while you shoot video
  • Bulb shutter
    Both provide
    Hold the shutter open manually for long exposures
  • Slow-motion videos
    Both provide
    Shoot slow-motion videos

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

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 Sony A7R III

Panasonic S1
Sony A7R III
  • $2332
  • 35mm
  • Slower slow-motion
  • Bigger pixels
  • $2151
  • 35mm
  • Less expensive
  • NFC

Compare Panasonic S1 vs Sony A7R III

Sony A7R IV
Sony A7R III
  • $3120
  • 35mm
  • Fast startup
  • More pixels
  • $2151
  • 35mm
  • Less expensive
  • Bigger pixels

Compare Sony A7R IV vs Sony A7R III

Compared to Canon R5

Panasonic S1
Canon R5
  • $2332
  • 35mm
  • Slower slow-motion
  • Bigger pixels
  • $3349
  • 35mm
  • Tilt-swivel screen
  • On-sensor phase detect

Compare Panasonic S1 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

Panasonic S1
Nikon Z7 II
  • $2332
  • 35mm
  • Slower slow-motion
  • Bigger pixels
  • $2330
  • 35mm
  • Less expensive
  • On-sensor phase detect

Compare Panasonic S1 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

Compared to Sony A1

Panasonic S1
Sony A1
  • $2332
  • 35mm
  • Less expensive
  • Bigger pixels
  • $5498
  • 35mm
  • Slower slow-motion
  • NFC

Compare Panasonic S1 vs Sony A1

Sony A7R IV
Sony A1
  • $3120
  • 35mm
  • Less expensive
  • High resolution composite
  • $5498
  • 35mm
  • Slower slow-motion
  • Longer video battery life

Compare Sony A7R IV vs Sony A1

Compared to Sony A7R V

Panasonic S1
Sony A7R V
  • $2332
  • 35mm
  • Slower slow-motion
  • Bigger pixels
  • $3900
  • 35mm
  • NFC
  • On-sensor phase detect

Compare Panasonic S1 vs Sony A7R V

Sony A7R IV
Sony A7R V
  • $3120
  • 35mm
  • $3900
  • 35mm
  • Newer

Compare Sony A7R IV vs Sony A7R V

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