Olympus E-M5 II vs Canon 5D Mark IV

Canon 5D Mark IV advantages over Olympus E-M5 II

• Larger sensor
  35mm vs 4/3
  More sensor area. Bigger is (generally) better.
• Bigger pixels
  ~ 5.36 vs 3.75 microns
  Better low-light and dynamic range (all else equal)
• Shoot 4K video
  4K (DCI) vs 1080p
  Make sure you have a fast computer
• Fast startup
  ~0.50 vs 0.8 sec
  Faster startup lets you catch the moment
• NFC
  Yes vs No
  Simplifies pairing your camera with supported phones
• 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.

  5D Mark IV test data on DxO Mark E-M5 II test data on DxO Mark
  2,995 vs 908 iso
  Take photos in low light with less noise
• Built-in GPS
  GPS vs None
  Geotag your photos
• On-sensor phase detect
  Yes vs No
  Usually improves live view and video AF performance
• Longer stills battery life
  More info

  Longer stills battery life

  Cameras with longer battery life can take more photos before exhausting their batteries.

  Special note: The measurement standard for battery life stipulates that if a camera has an internal flash, it must be used for 50% of photos taken. For this reason, comparisons of one camera with an internal flash to another without will not be comparable

  900 vs 310 shots
  Capture more photos
• Top deck display
  Yes vs No
  Check settings with a screen on top of the camera
• Higher-res screen
  540k vs 346k pixels
  More detail on the screen lets you judge focus and composition
• More pixels
  30.4 vs 16.1 megapixels
  Higher resolution photos
• Dual card slots
  Yes vs No
  Gives you more storage flexibility
• Headphone jack
  Yes vs No
  Monitor audio recording while you shoot video
• Has anti-aliasing filter
  Filter vs No Filter
  Reduces unsightly moiré in photos
• Bigger JPEG buffer
  Unlimited vs 18 shots
  Take more JPEG shots before waiting (burst mode)
• Bigger RAW buffer
  19 vs 13 shots
  Larger buffer for RAW shots (burst mode)
• Slow-motion videos
  Yes vs No
  Shoot slow-motion videos
• Higher extended ISO
  102400 vs 25600 ISO
  Higher extended ISO can give more low-light flexibility