• 35mm 847.3mm2
  • 24.2 megapixels
  • ISO 100 - 51,200
  • 35mm 864.0mm2
  • 47.3 megapixels
  • ISO 100 - 25,600

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Differences

Sony A7 III advantages over Panasonic S1R

  • Less expensive
    $1998 vs $4598
    Save money for lenses or accessories
  • Bigger pixels
    ~ 5.93 vs 4.30 microns
    Better low-light and dynamic range (all else equal)
  • 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 710 vs 360 shots
    Capture more photos
  • Thinner
    73 mm vs 96 mm
    Thinner
  • Has anti-aliasing filter
    Filter vs No Filter
    Reduces unsightly moiré in photos
  • Bigger JPEG buffer
    163 vs 62 shots
    Take more JPEG shots before waiting (burst mode)
  • Higher extended ISO
    204800 vs 51200 ISO
    Higher extended ISO can give more low-light flexibility

Panasonic S1R advantages over Sony A7 III

  • Slower slow-motion
    180 fps vs 120 fps
    Supports slower slow-mo
  • High resolution composite
    Yes vs No
    Combine multiple shots to form a super hi-res version
  • More telephoto lens reach
    105 mm vs 70 mm
    Capture objects farther away with the kit lens
  • Top deck display
    Yes vs No
    Check settings with a screen on top of the camera
  • Higher-res screen
    525k vs 307k pixels
    More detail on the screen lets you judge focus and composition
  • More pixels
    47.3 vs 24.2 megapixels
    Higher resolution photos
  • Lacks anti-aliasing filter
    No Filter vs Filter
    Enjoy sharper photos
  • Wider angle kit lens
    24 mm vs 28 mm
    Capture more of the scene with the included lens
  • Longer exposure
    60 vs 30 sec
    Long exposures for night shots
  • Faster shutter
    1/16000 vs 1/8000 sec
    Shoot wide open in bright light

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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Buy the Sony A7 III
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  • Body Only
  • Kit with 28-70mm Lens
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Buy the Panasonic S1R
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  • Body Only
  • Kit with 24-105mm lens
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Review Excerpt

  • New 24MP sensor offers excellent image quality; Outstanding high ISO performance and dynamic range; Improved JPEG colors; Improved build quality; Fast autofocus; Excellent 4K video; Very good battery life.

  • Buffer clearing can be slow even with fast UHS-II cards; UHS-II support only on one card slot; No losslessly compressed RAW option; Dedicated battery charger not included; Menus are still confusing; No built-in flash.

  • Read our Sony A7 III Review

  • Excellent high-resolution image quality; Good high ISO performance; Very fast single-shot autofocus; 4K 60p video; IBIS; Weather-sealing & comfortable ergonomics.

  • Contrast-detect AF system can struggle with fast-moving subjects; Burst shooting with C-AF is only 6fps; Sluggish buffer clearing; 4K video limited to 15min; Big & heavy; Expensive.

  • Read our Panasonic S1R Review

The Competition

Compared to Sony A7 II

Sony A7 III
Sony A7 II
  • $1898
  • 35mm
  • Shoot 4K video
  • Touchscreen
  • $1148
  • 35mm
  • Less expensive
  • In-camera panoramas

Compare Sony A7 III vs Sony A7 II

Panasonic S1R
Sony A7 II
  • $3698
  • 35mm
  • Shoot 4K video
  • Touchscreen
  • $1148
  • 35mm
  • Less expensive
  • Bigger pixels

Compare Panasonic S1R vs Sony A7 II

Compared to Sony A9

Sony A7 III
Sony A9
  • $1898
  • 35mm
  • Less expensive
  • More dynamic range
  • $2995
  • 35mm
  • Fast startup
  • Faster JPEG shooting

Compare Sony A7 III vs Sony A9

Panasonic S1R
Sony A9
  • $3698
  • 35mm
  • Slower slow-motion
  • High resolution composite
  • $2995
  • 35mm
  • Less expensive
  • Bigger pixels

Compare Panasonic S1R vs Sony A9

Compared to Nikon Z6

Sony A7 III
Nikon Z6
  • $1898
  • 35mm
  • NFC
  • Higher effective ISO
  • $1396
  • 35mm
  • Top deck display
  • More dots on screen

Compare Sony A7 III vs Nikon Z6

Panasonic S1R
Nikon Z6
  • $3698
  • 35mm
  • Slower slow-motion
  • High resolution composite
  • $1396
  • 35mm
  • Less expensive
  • Bigger pixels

Compare Panasonic S1R vs Nikon Z6

Compared to Nikon Z6 II

Sony A7 III
Nikon Z6 II
  • $1898
  • 35mm
  • NFC
  • Longer video battery life
  • $1747
  • 35mm
  • Top deck display
  • Newer

Compare Sony A7 III vs Nikon Z6 II

Panasonic S1R
Nikon Z6 II
  • $3698
  • 35mm
  • Slower slow-motion
  • High resolution composite
  • $1747
  • 35mm
  • Less expensive
  • Bigger pixels

Compare Panasonic S1R vs Nikon Z6 II

Compared to Leica SL2-S

Sony A7 III
Leica SL2-S
  • $1898
  • 35mm
  • Tiltable Screen
  • NFC
  • $4895
  • 35mm
  • Slower slow-motion
  • High resolution composite

Compare Sony A7 III vs Leica SL2-S

Panasonic S1R
Leica SL2-S
  • $3698
  • 35mm
  • Tiltable Screen
  • More pixels
  • $4895
  • 35mm
  • Bigger pixels
  • Newer

Compare Panasonic S1R vs Leica SL2-S

Compare Other Cameras?