• 4/3 226.2mm2
  • 20.4 megapixels
  • ISO 200 - 25,600
  • APS-C 366.6mm2
  • 26.1 megapixels
  • ISO 160 - 12,800

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Differences

Olympus E-M5 III advantages over Fujifilm X-T4

  • Lens selection
    Excellent vs Good
    Better lens selection gives you more options
  • Less expensive
    $1399 vs $2099
    Save money for lenses or accessories
  • High resolution composite
    Yes vs No
    Combine multiple shots to form a super hi-res version
  • Lighter weight
    414g vs 607g
    Lighter weight

Fujifilm X-T4 advantages over Olympus E-M5 III

  • Larger sensor
    APS-C vs 4/3
    More sensor area. Bigger is (generally) better.
  • In-camera panoramas
    Yes vs No
    Stitches multiple shots into a panoramic photo
  • Higher-res screen
    540k vs 346k pixels
    More detail on the screen lets you judge focus and composition
  • More viewfinder magnification
    0.75x vs 0.68x
    Get a bigger view of the scene through the eye-level viewfinder
  • More pixels
    26.1 vs 20.4 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
  • Doesn't require an AA filter
    Yes vs No
    A unique sensor design provides sharp photos without moiré
  • Longer exposure
    900 vs 60 sec
    Long exposures for night shots
  • Higher extended ISO
    51200 vs 25600 ISO
    Higher extended ISO can give more low-light flexibility

Similarities

Common Strengths

  • Focus peaking
    Both provide
    Your camera will highlight what's in focus
  • Tilt-swivel screen
    Both provide
    Tilt and swivel the screen for maximum shooting flexibility
  • 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
  • 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
  • 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
  • Bulb shutter
    Both provide
    Hold the shutter open manually for long exposures
  • Slow-motion videos
    Both provide
    Shoot slow-motion videos

Common Weaknesses

  • NFC
    Neither provide
    Simplifies pairing your camera with supported phones
  • Built-in GPS
    Neither provide
    Geotag your photos
  • Internal flash
    Neither provide
    Useful in a pinch for fill flash
  • Top deck display
    Neither provide
    Check settings with a screen on top of the camera

User reviews

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Your purchases support this site

Buy the Olympus E-M5 III

Your purchases support this site

Buy the Fujifilm X-T4

Review Excerpt

  • Improved image quality; Very good dynamic range & high ISO performance for a modern MFT sensor; Very fast AF; Excellent image stabilization; 4K video recording; Weather-sealed build quality.

  • Maximum burst with C-AF is only 6fps; Below average battery life; Small size can be awkward with long, heavy lenses; On SD card slot.

The Competition

Compared to Panasonic GX8

Olympus E-M5 III
Panasonic GX8
  • $999
  • 4/3
  • High resolution composite
  • Built-in Bluetooth
  • $998
  • 4/3
  • Less expensive
  • In-camera panoramas
Fujifilm X-T4
Panasonic GX8
  • $1699
  • APS-C
  • Larger sensor
  • Built-in Bluetooth
  • $998
  • 4/3
  • Lens selection
  • Less expensive

Compared to Olympus PEN-F

Olympus E-M5 III
Olympus PEN-F
  • $999
  • 4/3
  • Shoot 4K video
  • Built-in Bluetooth
  • $999
  • 4/3
  • Less expensive
  • In-camera panoramas
Fujifilm X-T4
Olympus PEN-F
  • $1699
  • APS-C
  • Larger sensor
  • Shoot 4K video
  • $999
  • 4/3
  • Lens selection
  • Less expensive

Compared to Olympus E-M10 III

Olympus E-M5 III
Olympus E-M10 III
  • $999
  • 4/3
  • Tilt-swivel screen
  • High resolution composite
  • $449
  • 4/3
  • Less expensive
  • Longer video battery life
Fujifilm X-T4
Olympus E-M10 III
  • $1699
  • APS-C
  • Tilt-swivel screen
  • Larger sensor
  • $449
  • 4/3
  • Less expensive
  • Lens selection

Compared to Panasonic G100

Olympus E-M5 III
Panasonic G100
  • $999
  • 4/3
  • In-Camera Image Stabilization
  • High resolution composite
  • $781
  • 4/3
  • Less expensive
  • In-camera panoramas
Fujifilm X-T4
Panasonic G100
  • $1699
  • APS-C
  • Larger sensor
  • In-Camera Image Stabilization
  • $781
  • 4/3
  • Less expensive
  • Lens selection

Compared to Olympus E-M10 IV

Olympus E-M5 III
Olympus E-M10 IV
  • $999
  • 4/3
  • Tilt-swivel screen
  • High resolution composite
  • $700
  • 4/3
  • Longer video battery life
  • Internal flash
Fujifilm X-T4
Olympus E-M10 IV
  • $1699
  • APS-C
  • Larger sensor
  • Tilt-swivel screen
  • $700
  • 4/3
  • Lens selection
  • Internal flash
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