• 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.
  • Less expensive
    $350 vs $450 (MSRP)
    Save money for lenses or accessories
  • 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
  • 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 HDMI output 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

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Buy the Nikon S2

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Buy the YI M1
Kit with 12-40mm lens (Black)
  • Kit with 12-40mm lens (Black)
  • Kit with 12-40mm & 42.5mm lenses (Silver)

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 Olympus E-PL6

Nikon S2
Olympus E-PL6
  • $399
  • 1 inch
  • In-camera panoramas
  • On-sensor phase detect
  • $299
  • 4/3
  • Lens selection
  • Larger sensor
YI M1
Olympus E-PL6
  • $199
  • 4/3
  • Focus peaking
  • Shoot 4K video
  • $299
  • 4/3
  • Less expensive
  • In-Camera Image Stabilization

Compared to Pentax Q7

Nikon S2
Pentax Q7
  • $399
  • 1 inch
  • Larger sensor
  • Bigger pixels
  • $380
  • 1/1.7 inch
  • Focus peaking
  • In-Camera Image Stabilization
YI M1
Pentax Q7
  • $199
  • 4/3
  • Lens selection
  • Larger sensor
  • $380
  • 1/1.7 inch
  • In-Camera Image Stabilization
  • Internal flash

Compared to Samsung NX Mini

Nikon S2
Samsung NX Mini
  • $399
  • 1 inch
  • Less expensive
  • Bigger pixels
  • $600
  • 1 inch
  • Touchscreen
  • Tiltable Screen
YI M1
Samsung NX Mini
  • $199
  • 4/3
  • Focus peaking
  • Larger sensor
  • $600
  • 1 inch
  • Tiltable Screen
  • NFC

Compared to Pentax Q-S1

Nikon S2
Pentax Q-S1
  • $399
  • 1 inch
  • Larger sensor
  • Bigger pixels
  • $350
  • 1/1.7 inch
  • Focus peaking
  • In-Camera Image Stabilization
YI M1
Pentax Q-S1
  • $199
  • 4/3
  • Lens selection
  • Larger sensor
  • $350
  • 1/1.7 inch
  • In-Camera Image Stabilization
  • Internal flash

Compared to Panasonic GX850

Nikon S2
Panasonic GX850
  • $399
  • 1 inch
  • Less expensive
  • On-sensor phase detect
  • $548
  • 4/3
  • Lens selection
  • Focus peaking
YI M1
Panasonic GX850
  • $199
  • 4/3
  • Less expensive
  • Built-in Bluetooth
  • $548
  • 4/3
  • Tiltable Screen
  • Internal flash
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