• 4/3 224.9mm2
  • 12.3 megapixels
  •  
  • 1 inch 116.2mm2
  • 10.1 megapixels
  • ISO 100 - 6400

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Differences

Olympus E-PM1 advantages over Nikon S1

  • Lens selection
    Excellent vs Limited
    Better lens selection gives you more options
  • Larger sensor
    4/3 vs 1 inch
    More sensor area. Bigger is (generally) better.
  • In-Camera Image Stabilization
    Yes vs No
    Reduces the effects of camera shake at slower shutter speeds
  • Bigger pixels
    ~ 4.29 vs 3.41 microns
    Better low-light and dynamic range (all else equal)
  • Higher effective ISO
    499 vs 397 iso
    Take photos in low light with less noise
  • Higher max flash sync
    1/160 vs 1/60 sec
    Reduce the effect of ambient light in flash shots
  • Hot shoe
    Hot shoe vs None
    Off-camera flashes open new possibilities
  • More pixels
    12.3 vs 10.1 megapixels
    Higher resolution photos
  • Longer exposure
    60 vs 30 sec
    Long exposures for night shots
  • Higher extended ISO
    12800 vs 6400 ISO
    Higher extended ISO can give more low-light flexibility

Nikon S1 advantages over Olympus E-PM1

  • 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
  • Shoots 1080p video
    Yes vs No
    You'll want this if you shoot video
  • Faster JPEG shooting
    60.0 fps vs 5.3 fps
    Faster JPEG shooting (burst mode)
  • Slow-motion videos
    Yes vs No
    Shoot slow-motion videos
  • Faster shutter
    1/16000 vs 1/4000 sec
    Shoot wide open in bright light

Similarities

Common Strengths

  • HDMI out
    Both provide
    Use HDMI output to monitor or review video
  • Bulb shutter
    Both provide
    Hold the shutter open manually for long exposures

Common Weaknesses

  • Tilt-swivel screen
    Neither provide
    Tilt and swivel the screen for maximum shooting flexibility
  • Focus peaking
    Neither provide
    Your camera will highlight what's in focus
  • Eye-level viewfinder
    Neither provide
    You'll be able to frame photos even when the sun is out
  • Touchscreen
    Neither provide
    Interact with your camera just like your smartphone
  • In-camera panoramas
    Neither provide
    Stitches multiple shots into a panoramic photo
  • Tiltable Screen
    Neither provide
    Tilt the screen for shooting flexbility
  • Built-in Wi-Fi
    Neither provide
    Share your photos wirelessly
  • Built-in Bluetooth
    Neither provide
    Always-on wireless connectivity
  • 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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The Competition

Compared to Olympus E-PL3

Olympus E-PM1
Olympus E-PL3
  • $500
  • 4/3
  • Less expensive
  • $700
  • 4/3
  • Tiltable Screen

Compare Olympus E-PM1 vs Olympus E-PL3

Nikon S1
Olympus E-PL3
  • $199
  • 1 inch
  • Less expensive
  • On-sensor phase detect
  • $700
  • 4/3
  • Lens selection
  • Larger sensor

Compare Nikon S1 vs Olympus E-PL3

Compared to Panasonic GF3X

Olympus E-PM1
Panasonic GF3X
  • $500
  • 4/3
  • Less expensive
  • In-Camera Image Stabilization
  • $750
  • 4/3
  • Touchscreen
  • Internal flash

Compare Olympus E-PM1 vs Panasonic GF3X

Nikon S1
Panasonic GF3X
  • $199
  • 1 inch
  • Less expensive
  • On-sensor phase detect
  • $750
  • 4/3
  • Lens selection
  • Larger sensor

Compare Nikon S1 vs Panasonic GF3X

Compared to Nikon J1

Olympus E-PM1
Nikon J1
  • $500
  • 4/3
  • Lens selection
  • Larger sensor
  • $500
  • 1 inch
  • On-sensor phase detect
  • Internal flash

Compare Olympus E-PM1 vs Nikon J1

Nikon S1
Nikon J1
  • $199
  • 1 inch
  • Less expensive
  • $500
  • 1 inch
  • Wider angle kit lens

Compare Nikon S1 vs Nikon J1

Compared to Panasonic GF5

Olympus E-PM1
Panasonic GF5
  • $500
  • 4/3
  • In-Camera Image Stabilization
  • Hot shoe
  • $450
  • 4/3
  • Touchscreen
  • Higher effective ISO

Compare Olympus E-PM1 vs Panasonic GF5

Nikon S1
Panasonic GF5
  • $199
  • 1 inch
  • On-sensor phase detect
  • Bulb shutter
  • $450
  • 4/3
  • Lens selection
  • Larger sensor

Compare Nikon S1 vs Panasonic GF5

Compared to Nikon J2

Olympus E-PM1
Nikon J2
  • $500
  • 4/3
  • Lens selection
  • Larger sensor
  • $550
  • 1 inch
  • On-sensor phase detect
  • Internal flash

Compare Olympus E-PM1 vs Nikon J2

Nikon S1
Nikon J2
  • $199
  • 1 inch
  • $550
  • 1 inch
  • More dots on screen
  • Wider angle kit lens

Compare Nikon S1 vs Nikon J2

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