Nikon D3100 vs Olympus E-M1 II

Olympus E-M1 II advantages over Nikon D3100

• Focus peaking
  Peaker vs Non-peaker
  Your camera will highlight what's in focus
• Tilt-swivel screen
  Tilt-swivel vs none
  Tilt and swivel the screen for maximum shooting flexibility
• In-Camera Image Stabilization
  Yes vs No
  Reduces the effects of camera shake at slower shutter speeds
• Shoot 4K video
  4K (DCI) vs 1080p
  Make sure you have a fast computer
• Touchscreen
  Touch vs No touch
  Interact with your camera just like your smartphone
• High resolution composite
  Yes vs No
  Combine multiple shots to form a super hi-res version
• Built-in Wi-Fi
  Wi-Fi vs None
  Share your photos wirelessly
• Higher effective ISO

  Higher effective ISO

  Maximum effective ISO is an estimate of the highest sensitivity at which a camera can capture excellent quality photos.

  Cameras with higher effective ISO will be better choices for indoor photography, night shooting, and indoor sports photography, especially if you intend to make large prints.

  You can learn more at our glossary entry.

  Maximum effective ISO test data courtesy of DxO Mark.

  E-M1 II test data on DxO Mark D3100 test data on DxO Mark
  1,312 vs 919 iso
  Take photos in low light with less noise
• More dynamic range

  More dynamic range

  Cameras with more dynamic range allow you to take photos with dramatic differences in highlight and shadow areas while retaining detail in both.

  Think of a brilliant sunset on a rocky beach: Bright sunset in the background, with dark rocks in the foreground. High dynamic range means more of the extremes will be faithfully reproduced.

  Dynamic range test data courtesy of DxO Mark.

  E-M1 II test data on DxO Mark D3100 test data on DxO Mark
  12.8 vs 11.2 evs
  Retain detail in highlight and shadows
• On-sensor phase detect
  Yes vs No
  Usually improves live view and video AF performance
• External Mic Jack
  Jack vs No jack
  Improved sound fidelity when shooting video
• Newer
  8 years vs 14 years old
  Newer cameras often support more advanced features
• More dots on screen
  1037k vs 230k dots
  Can mean greater resolution or a brighter screen
• Less shutter lag
  0.11 vs 0.28 sec
  Focus and take a photo quickly (wide angle)
• More viewfinder magnification
  0.74x vs 0.53x
  Get a bigger view of the scene through the eye-level viewfinder
• More pixels
  20.4 vs 14.2 megapixels
  Higher resolution photos
• Shoots 60p video
  Yes vs No
  A faster framerate can give you more editing options
• Dual card slots
  Yes vs No
  Gives you more storage flexibility
• Headphone jack
  Yes vs No
  Monitor audio recording while you shoot video
• Lacks anti-aliasing filter
  No Filter vs Filter
  Enjoy sharper photos
• Longer exposure
  60 vs 30 sec
  Long exposures for night shots
• Faster JPEG shooting
  60.6 fps vs 2.9 fps
  Faster JPEG shooting (burst mode)
• Faster shutter
  1/32000 vs 1/4000 sec
  Shoot wide open in bright light
• Higher extended ISO
  25600 vs 12800 ISO
  Higher extended ISO can give more low-light flexibility