• 1 inch 115.3mm2
  • 14.2 megapixels
  • ISO 200 - 12,800
  • 4/3 224.9mm2
  • 20.2 megapixels
  • ISO 100 - 25,600

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Differences

Nikon S2 advantages over YI M1

  • Slower slow-motion
    1200 fps vs 240 fps
    Supports slower slow-mo
  • On-sensor phase detect
    Yes vs No
    Usually improves live view and video AF performance
  • Internal flash
    Internal flash vs None
    Useful in a pinch for fill flash
  • Lighter weight
    190g vs 280g
    Lighter weight
  • Faster JPEG shooting
    60.0 fps vs 5.0 fps
    Faster JPEG shooting (burst mode)
  • Faster shutter
    1/16000 vs 1/4000 sec
    Shoot wide open in bright light

YI M1 advantages over Nikon S2

  • Lens selection
    Excellent vs Limited
    Better lens selection gives you more options
  • Focus peaking
    Peaker vs Non-peaker
    Your camera will highlight what's in focus
  • Larger sensor
    4/3 vs 1 inch
    More sensor area. Bigger is (generally) better.
  • Bigger pixels
    ~ 3.34 vs 2.85 microns
    Better low-light and dynamic range (all else equal)
  • Shoot 4K video
    4K (UHD) vs 1080p
    Make sure you have a fast computer
  • Touchscreen
    Touch vs No touch
    Interact with your camera just like your smartphone
  • Built-in Wi-Fi
    Wi-Fi vs None
    Share your photos wirelessly
  • Built-in Bluetooth
    Yes vs No
    Always-on wireless connectivity
  • Longer stills battery life
    More info 380 vs 270 shots
    Capture more photos
  • Higher max flash sync
    1/125 vs 1/60 sec
    Reduce the effect of ambient light in flash shots
  • Newer
    9 months vs 3 years old
    Newer cameras often support more advanced features
  • Shoots 24p video
    Yes vs No
    Gives your movies a big-screen feel
  • Higher-res screen
    346k vs 154k pixels
    More detail on the screen lets you judge focus and composition
  • Hot shoe
    Hot shoe vs None
    Off-camera flashes open new possibilities
  • More pixels
    20.2 vs 14.2 megapixels
    Higher resolution photos
  • Wider angle kit lens
    24 mm vs 30 mm
    Capture more of the scene with the included lens
  • Longer exposure
    60 vs 30 sec
    Long exposures for night shots
  • Higher extended ISO
    25600 vs 12800 ISO
    Higher extended ISO can give more low-light flexibility

Similarities

Common Strengths

  • In-camera panoramas
    Both provide
    Stitches multiple shots into a panoramic photo
  • HDMI out
    Both provide
    Use an external screen to monitor or review 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
  • Eye-level viewfinder
    Neither provide
    You'll be able to frame photos even when the sun is out
  • In-Camera Image Stabilization
    Neither provide
    Reduces the effects of camera shake at slower shutter speeds
  • Tiltable Screen
    Neither provide
    Tilt the screen for shooting flexbility
  • NFC
    Neither provide
    Simplifies pairing your camera with supported phones
  • Built-in GPS
    Neither provide
    Geotag your photos
  • Top deck display
    Neither provide
    Check settings with a screen on top of the camera
  • External Mic Jack
    Neither provide
    Improved sound fidelity when shooting video
  • Dual card slots
    Neither provide
    Gives you more storage flexibility
  • Headphone jack
    Neither provide
    Monitor audio recording while you shoot video

User reviews

Buy From

Your purchases support this site

Buy the Nikon S2

Your purchases support this site

Buy the YI M1

Review Excerpt

  • Cheap as chips (and with a kit lens!); Quality Sony Exmor Four Thirds sensor; Widely-supported Micro Four Thirds lens mount; Good image quality from raw files; Reasonable burst performance for price; 4K video capture

  • Poor ergonomics; Controls too easily bumped; Frustrating user interface; Mediocre JPEG image quality; Heavy-handed noise reduction; Unreliable white balance; No raw+JPEG; Buffer is almost nonexistent; Focus confirmation beep happens while still focusing; AF is poor in low light; Laggy user interface in playback; Extreme crop for 4K video; Kit lenses feel cheap; No bundled flash

The Competition

Compared to Pentax Q7

Nikon S2
Pentax Q7
  • $259
  • 1 inch
  • Larger sensor
  • Bigger pixels
  • $195
  • 1/1.7 inch
  • Focus peaking
  • In-Camera Image Stabilization
YI M1
Pentax Q7
  • $379
  • 4/3
  • Lens selection
  • Larger sensor
  • $195
  • 1/1.7 inch
  • Less expensive
  • In-Camera Image Stabilization

Compared to Nikon J4

Nikon S2
Nikon J4
  • $259
  • 1 inch
  • Has anti-aliasing filter
  • $365
  • 1 inch
  • Touchscreen
  • Built-in Wi-Fi
YI M1
Nikon J4
  • $379
  • 4/3
  • Lens selection
  • Focus peaking
  • $365
  • 1 inch
  • Slower slow-motion
  • On-sensor phase detect

Compared to Pentax Q-S1

Nikon S2
Pentax Q-S1
  • $259
  • 1 inch
  • Larger sensor
  • Bigger pixels
  • $350
  • 1/1.7 inch
  • Focus peaking
  • In-Camera Image Stabilization
YI M1
Pentax Q-S1
  • $379
  • 4/3
  • Lens selection
  • Larger sensor
  • $350
  • 1/1.7 inch
  • In-Camera Image Stabilization
  • Internal flash

Compared to Panasonic GF7

Nikon S2
Panasonic GF7
  • $259
  • 1 inch
  • On-sensor phase detect
  • More telephoto lens reach
  • $443
  • 4/3
  • Lens selection
  • Focus peaking
YI M1
Panasonic GF7
  • $379
  • 4/3
  • Less expensive
  • Shoot 4K video
  • $443
  • 4/3
  • Tiltable Screen
  • Internal flash

Compared to Panasonic GX850

Nikon S2
Panasonic GX850
  • $259
  • 1 inch
  • On-sensor phase detect
  • Longer stills battery life
  • $548
  • 4/3
  • Lens selection
  • Focus peaking
YI M1
Panasonic GX850
  • $379
  • 4/3
  • Less expensive
  • Built-in Bluetooth
  • $548
  • 4/3
  • Tiltable Screen
  • Internal flash
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