• 1 inch 116.2mm2
  • 20.1 megapixels
  • 24.00mm - 600.00mm (35mm eq.)
  • 4/3 226.2mm2
  • 20.4 megapixels
  • ISO 200 - 25,600

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Differences

Sony RX10 IV advantages over Olympus E-M1X

  • Slower slow-motion
    1000 fps vs 120 fps
    Supports slower slow-mo
  • In-camera panoramas
    Yes vs No
    Stitches multiple shots into a panoramic photo
  • NFC
    Yes vs No
    Simplifies pairing your camera with supported phones
  • Internal flash
    Internal flash vs None
    Useful in a pinch for fill flash
  • Top deck display
    Yes vs No
    Check settings with a screen on top of the camera
  • Higher-res screen
    480k vs 346k pixels
    More detail on the screen lets you judge focus and composition
  • Has anti-aliasing filter
    Filter vs No Filter
    Reduces unsightly moiré in photos
  • Bigger JPEG buffer
    217 vs 49 shots
    Take more JPEG shots before waiting (burst mode)
  • Bigger RAW buffer
    112 vs 49 shots
    Larger buffer for RAW shots (burst mode)

Olympus E-M1X advantages over Sony RX10 IV

  • Tilt-swivel screen
    Tilt-swivel vs tilt-only
    Tilt and swivel the screen for maximum shooting flexibility
  • Larger sensor
    4/3 vs 1 inch
    More sensor area. Bigger is (generally) better.
  • Bigger pixels
    ~ 3.36 vs 2.41 microns
    Better low-light and dynamic range (all else equal)
  • High resolution composite
    Yes vs No
    Combine multiple shots to form a super hi-res version
  • Fast startup
    ~0.80 vs 1.9 sec
    Faster startup lets you catch the moment
  • Built-in GPS
    GPS vs None
    Geotag your photos
  • Longer video battery life
    90 vs 75 minutes
    Capture more video
  • Longer stills battery life
    More info 870 vs 400 shots
    Capture more photos
  • Thinner
    75 mm vs 127 mm
    Thinner
  • More viewfinder magnification
    0.83x vs 0.70x
    Get a bigger view of the scene through the eye-level viewfinder
  • Dual card slots
    Yes vs No
    Gives you more storage flexibility
  • 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
    60.7 fps vs 23.8 fps
    Faster JPEG shooting (burst mode)
  • Faster RAW shooting
    60.7 fps vs 24.2 fps
    Faster RAW shooting in burst mode

Similarities

Common Strengths

  • Rear display
    Both provide
    Review photos on the back of the camera
  • Focus peaking
    Both provide
    Your camera will highlight what's in focus
  • Eye-level viewfinder
    Both provide
    You'll be able to frame photos even when the sun is out
  • In-Camera Image Stabilization
    Both provide
    Reduces the effects of camera shake at slower shutter speeds
  • Shoot 4K video
    Both provide
    Make sure you have a fast computer
  • Touchscreen
    Both provide
    Interact with your camera just like your smartphone
  • RAW file ability
    Both provide
    Gives you more flexibility to develop your photos later
  • Built-in Wi-Fi
    Both provide
    Share your photos wirelessly
  • Built-in Bluetooth
    Both provide
    Always-on wireless connectivity
  • On-sensor phase detect
    Both provide
    Usually improves live view and video AF performance
  • Manual focus
    Both provide
    AF is for the weak. Real photographers focus manually.
  • External Mic Jack
    Both provide
    Improved sound fidelity when shooting video
  • HDMI out
    Both provide
    Use HDMI output to monitor or review video
  • Hot shoe
    Both provide
    Off-camera flashes open new possibilities
  • Headphone jack
    Both provide
    Monitor audio recording while you shoot video
  • Bulb shutter
    Both provide
    Hold the shutter open manually for long exposures
  • Slow-motion videos
    Both provide
    Shoot slow-motion videos

Common Weaknesses

User reviews

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Review Excerpt

  • Terrific overall image quality for a 20MP 4/3" sensor; Very good high ISO performance this sensor size; Very impressive & improved AF performance; Extremely fast, responsive overall performance; New Intelligent Subject Detection AF feature works well; More video features; Outstanding IBIS.

  • Image quality not improved from (updated) E-M1 II; Faces tough competition with image quality at this price point, especially at higher ISOs; EVF feels somewhat outdated; Expensive for a Micro Four Thirds camera.

  • Read our Olympus E-M1X Review

The Competition

Compared to Sony RX10 III

Sony RX10 IV
Sony RX10 III
  • $1698
  • 1 inch
  • Touchscreen
  • Built-in Bluetooth
  • $1398
  • 1 inch
  • Less expensive

Compare Sony RX10 IV vs Sony RX10 III

Olympus E-M1X
Sony RX10 III
  • $2349
  • 4/3
  • Larger sensor
  • Tilt-swivel screen
  • $1398
  • 1 inch
  • Less expensive
  • Slower slow-motion

Compare Olympus E-M1X vs Sony RX10 III

Compared to Panasonic FZ2500

Sony RX10 IV
Panasonic FZ2500
  • $1698
  • 1 inch
  • Slower slow-motion
  • Larger lens aperture
  • $931
  • 1 inch
  • Less expensive
  • Tilt-swivel screen

Compare Sony RX10 IV vs Panasonic FZ2500

Olympus E-M1X
Panasonic FZ2500
  • $2349
  • 4/3
  • Larger sensor
  • Bigger pixels
  • $931
  • 1 inch
  • Less expensive
  • In-camera panoramas

Compare Olympus E-M1X vs Panasonic FZ2500

Compared to Panasonic GH5

Sony RX10 IV
Panasonic GH5
  • $1698
  • 1 inch
  • Slower slow-motion
  • In-camera panoramas
  • $1348
  • 4/3
  • Less expensive
  • Tilt-swivel screen

Compare Sony RX10 IV vs Panasonic GH5

Olympus E-M1X
Panasonic GH5
  • $2349
  • 4/3
  • High resolution composite
  • Built-in GPS
  • $1348
  • 4/3
  • Less expensive
  • Slower slow-motion

Compare Olympus E-M1X vs Panasonic GH5

Compared to Panasonic FZ1000 II

Sony RX10 IV
Panasonic FZ1000 II
  • $1698
  • 1 inch
  • Slower slow-motion
  • Larger lens aperture
  • $865
  • 1 inch
  • Less expensive
  • Tilt-swivel screen

Compare Sony RX10 IV vs Panasonic FZ1000 II

Olympus E-M1X
Panasonic FZ1000 II
  • $2349
  • 4/3
  • Larger sensor
  • Bigger pixels
  • $865
  • 1 inch
  • Less expensive
  • In-camera panoramas

Compare Olympus E-M1X vs Panasonic FZ1000 II

Compared to Panasonic GH6

Sony RX10 IV
Panasonic GH6
  • $1698
  • 1 inch
  • Slower slow-motion
  • In-camera panoramas
  • $2200
  • 4/3
  • Tilt-swivel screen
  • Larger sensor

Compare Sony RX10 IV vs Panasonic GH6

Olympus E-M1X
Panasonic GH6
  • $2349
  • 4/3
  • Built-in GPS
  • Longer video battery life
  • $2200
  • 4/3
  • Slower slow-motion
  • Newer

Compare Olympus E-M1X vs Panasonic GH6

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