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Olympus E-M10 II vs Fujifilm X-T4 Comparison

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Camera to replace
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Olympus E-M10 II

16 MP | Four Thirds (17.3 x 13 mm) CMOS Sensor

Olympus E-M10 II
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Fujifilm X-T4

26 MP | APS-C (23.5 x 15.6 mm) X-Trans CMOS 4 Sensor

Fujifilm X-T4
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Olympus E-M10 II vs Fujifilm X-T4 Comparison Overview

Here we are comparing two Mirrorless cameras from Olympus and Fujifilm. Olympus E-M10 II was introduced to market in August 2015 and Fujifilm X-T4 was launched in February 2020. As you can see, E-M10 II is 5 years older than X-T4. Let's see if this age difference between two cameras makes a big difference.

Olympus E-M10 II has a 16.0MP Four Thirds sensor whereas Fujifilm X-T4 has a 26.0MP APS-C sensor. This will be an interesting match up as even though these two cameras doesn't have the exact same body type, they are both ranked amongst Top 10 cameras in their classes. Olympus E-M10 II is ranked #7 out of 108 Entry-Level Mirrorless cameras with an overall score of 74 whereas Fujifilm X-T4 is ranked #3 out of 54 Advanced Mirrorless cameras with an overall score of 84.

Here is a brief look at the main features of Olympus E-M10 II and Fujifilm X-T4 before getting into our more detailed comparison.

Olympus E-M10 II Key Specs

  • Announcement Date: 2015-08-25
  • 16MP - Four Thirds CMOS Sensor
  • ISO 200 - 25600 ( expands to 100)
  • Micro Four Thirds Mount
  • Sensor-shift Image Stabilization
  • 3 Tilting Screen
  • 2360k dot Electronic viewfinder
  • 8.0 fps continuous shooting
  • Full HD - 1920 x 1080 video resolution
  • Built-in Wireless
  • 390g. 120 x 83 x 47 mm
  • Replaced Olympus OM-D E-M10 Compare

Fujifilm X-T4 Key Specs

  • Announcement Date: 2020-02-24
  • 26MP - APS-C X-Trans CMOS 4 Sensor
  • No Anti-aliasing (AA) filter
  • ISO 160 - 12800 ( expands to 80-51200)
  • Fujifilm X Mount
  • Sensor-shift Image Stabilization
  • 3 Fully Articulated Screen
  • 3690k dot Electronic viewfinder
  • 15.0 fps continuous shooting
  • 4K (DCI) - 4096 x 2160 video resolution
  • 240fps at Full HD High-Speed Video
  • Built-in Wireless
  • 607g. 135 x 93 x 64 mm
  • Weather Sealed Body
  • Replaced Fujifilm X-T3 Compare

Olympus E-M10 II was replaced by Olympus OM-D E-M10 Mark III. You may also be interested in these comparisons:
Olympus OM-D E-M10 Mark III vs Olympus OM-D E-M10 II
Olympus OM-D E-M10 Mark III vs Fujifilm X-T4

Let's read on the following sections in order to better understand in detail how Olympus E-M10 II and Fujifilm X-T4 compares and hopefully end up with enough arguments to decide which one is better for you.

Reasons to choose Olympus OM-D E-M10 II over Fujifilm X-T4
Live Composite Mode
Yes vs No Excellent help for long-exposure photography
Built-in Flash
Yes vs No Useful in low-light
Max ISO
25.600 vs 12.800 100% higher Max ISO
Weight
390 g vs 607 g 217 g lighter


Reasons to choose Fujifilm X-T4 over Olympus OM-D E-M10 II
Viewfinder Magnification
0.75x vs 0.62x Larger Viewfinder
Max Sensor Resolution
26 MP vs 16 MP 62% more pixels
Number of Focus Points
425 vs 81 344 more focus points
LCD Screen Resolution
1.620k dots vs 1.040k dots 55% higher resolution screen
Max Mech. Shutter
1/8000s vs 1/4000s faster mechanical shutter
Continuous Shooting
15.0fps vs 8.0fps 7 fps faster
Battery Life
500 shots vs 320 shots 180 more frames with a single charge
Microphone Port
Yes vs No High quality audio recording option
Headphone Port
Yes vs No better video control
Environmental Sealing
Yes vs No shoot at tough conditions
Viewfinder Resolution
3690k dot vs 2360k dot 56% higher resolution
Max Video Resolution
4096 x 2160 vs 1920 x 1080 Higher Resolution Video
Flash Sync Port
Yes vs No Connect off-camera flash
Selfie & Vlogger Friendly LCD
Yes vs No Rotate LCD for taking Selfies
Bluetooth
Yes vs No Connect your camera to other devices via Blueetooth
Storage Slot
2 vs 1 Extra storage slot
Webcam Function
Yes vs No Use your camera as a Webcam
Anti Flicker
Yes vs No Reduced uneven color and exposure under flickering light
Eye Tracking Focus
Yes vs No Autofocus system locks on the eye and tracks the subject

Common Strengths of Olympus OM-D E-M10 II and Fujifilm X-T4
Wireless Connection
Yes vs Yes Better connectivity
Image Stabilization
Sensor-shift vs Sensor-shift Sharper images at longer focal lengths and long exposures
Adjustable LCD Screen
Tilting vs Fully Articulated Flexible shooting positions
External Flash Shoe
Yes vs Yes Better for flash photography
Touch Screen
Yes vs Yes Easy control of camera functions
Viewfinder
Yes (Electronic) vs Yes (Electronic) Better framing and control
RAW Support
Yes vs Yes Better image quality
Face Detection Focus
Yes vs Yes very handy for portraits
LCD Screen Resolution
1.040k dots vs 1.620k dots High resolution screens
Timelapse Recording
Yes vs Yes creative shooting
AE Bracketing
Yes vs Yes Useful for tough lighting conditions and HDR
Focus Bracketing
Yes vs Yes Take multiple photos shifting focus point
Smartphone Remote
Yes vs Yes Remote control your camera with a smartphone
UHS Card Support
UHS-II vs UHS-II Read/Write in Ultra High Speeds
Common Weaknesses of Olympus OM-D E-M10 II and Fujifilm X-T4
Olympus E-M10 II vs Fujifilm X-T4: Physical Specs and Body features Comparison

Size and weight is a big decision factor when you are trying to find the ideal camera for your needs. In this section, We are going to illustrate Olympus E-M10 II and Fujifilm X-T4 side-by-side from the front, back and top in their relative dimensions. Olympus E-M10 II has external dimensions of 120 x 83 x 47 mm (4.72 x 3.27 x 1.85″) and weighs 390 g (0.86 lb / 13.76 oz) (including batteries). Fujifilm X-T4 has external dimensions of 135 x 93 x 84 mm (5.31 x 3.66 x 3.31″) and weighs 607 g (1.34 lb / 21.41 oz) (including batteries).

Below you can see the front view size comparison of Olympus E-M10 II and Fujifilm X-T4. Olympus E-M10 II is clearly the smaller of the two cameras. Its body is 15mm narrower, 10mm shorter and 17mm thinner than Fujifilm X-T4.

Olympus E-M10 II vs Fujifilm X-T4 Camera Size Comparison - Front View
Comparison image of Olympus E-M10 II and Fujifilm X-T4 Size, Weight and External Dimensions - Front View

Here is the back view size comparison of Olympus E-M10 II and Fujifilm X-T4.

Olympus E-M10 II vs Fujifilm X-T4 Camera Size Comparison - Back View
Comparison image of Olympus E-M10 II and Fujifilm X-T4 Size and Weight - Back View

Now lets look at the top view comparison of Olympus E-M10 II and Fujifilm X-T4.
Olympus E-M10 II vs Fujifilm X-T4 Camera Size Comparison - Top View
Top View Comparison image of Olympus E-M10 II and Fujifilm X-T4 Size

Weight is another important factor especially when deciding on a camera that you want to carry with you all day. Olympus E-M10 II is significantly lighter (217g ) than the Fujifilm X-T4 which may become a big advantage especially on long walking trips.

Also keep in mind that body weight is not the only deciding factor when comparing two interchangeable camera bodies, you have to also take into account the lenses that you will be using with these bodies. Since Fujifilm X-T4 has an APS-C sized sensor and Olympus E-M10 II has a smaller Four Thirds sensor, Olympus E-M10 II's lenses for a similar focal length and aperture will generally be lighter and smaller than the Fujifilm X-T4 lenses.

Weight Comparison

Mirrorless Cameras

E-M10 II
X-T4
Min
Average
Max
Thickness Comparison

Mirrorless Cameras

E-M10 II
X-T4
Min
Average
Max

Weather Sealing

Thanks to the weather sealed body of X-T4, you can use this camera with more confidence under conditions where there is risk of exposure to water and dust compared to E-M10 II.

LCD Screen Size and Features

Olympus E-M10 II and Fujifilm X-T4's LCD screens has the same diagonal size of 3.

Olympus E-M10 II features a Tilting only screen which is mostly only good for shooting from waist or over the head levels. On the other hand, Fujifilm X-T4 sports a Fully Articulated screen which is more flexible and useful especially for taking Selfie shots and video.
Olympus E-M10 II vs Fujifilm X-T4: Sensor Comparison

Olympus E-M10 II has a 16.0MP Four Thirds (17.3 x 13 mm ) sized CMOS sensor and features TruePic VII processor. On the other hand, Fujifilm X-T4 has a 26.0MP APS-C (23.5 x 15.6 mm ) sized X-Trans CMOS 4 sensor .

Fujifilm X-T4's sensor provides 10MP more than Olympus E-M10 II's sensor, which gives a significant advantage in real life. You can print your images larger or crop more freely. On the other hand, please keep in mind that Max sensor resolution is not the only determinant of resolving power. Factors such as the optical elements, low pass filter, pixel size and sensor technology also affects the final resolution of the captured image.

One other difference between these two cameras that is worth mentioning is that Fujifilm X-T4's sensor doesn't have an anti-alias (Low-Pass) filter. Removing anti-alias filter increases the sharpness and level of detail but at the same time, it increases the chance of moire occurring in certain scenes.

Below you can see the E-M10 II and X-T4 sensor size comparison.

Olympus E-M10 II vs Fujifilm X-T4 Sensor Size Comparison
Sensor Size and Resolution Comparison image of Olympus E-M10 II and Fujifilm X-T4 Cameras


As seen above, Fujifilm X-T4 has a 1.6x Larger sensor area than Olympus E-M10 II. Larger sensors give photographer more control on the depth of field and blurry background compared to smaller sensor when shot in same focal length and aperture.

Olympus E-M10 II vs Fujifilm X-T4 Comparison of Available Lenses
Which camera has more lenses?

Number of available lenses is a big decision factor while choosing your interchangeable lens camera. When we look at the available lenses for these two cameras, we see that Olympus E-M10 II has an advantage over Fujifilm X-T4. There are 107 lenses for Olympus E-M10 II's Micro Four Thirds mount, on the other hand there are only 56 lenses for Fujifilm X-T4's Fujifilm X lens mount.

Another important factor is the availability of image stabilization. Both Olympus E-M10 II and Fujifilm X-T4 has Sensor based Image stabilization which means that all the lenses will be stabilized in these bodies.

Lens Type # of Olympus E-M10 II Lenses # of Fujifilm X-T4 Lenses
Standard Zoom 15 6
Standard Prime 13 14
Wideangle Zoom 5 3
Wideangle Prime 29 17
Telephoto Zoom 18 5
Telephoto Prime 9 5
SuperZoom 8 1
Wideangle Fisheye Prime 5 1
Macro Prime 4 2
Perspective Control Prime n/a 2
Telephoto Mirror Prime 1 n/a
TOTAL 107 56


Now let's compare some sample lenses from each mount with typical Focal ranges for Olympus E-M10 II and Fujifilm X-T4 to see how these lenses compares:

Fast Standard Zoom Lenses
Model FF Equiv. Weight Weight w/ Cam Length Street Price
Olympus ED 12-40mm f2.8 PRO Lens Olympus ED 12-40mm f2.8 PRO
24 - 80mm 382gr 772gr 84mm Amazon B&H Photo
Fujifilm 16-55mm F2.8 R LM WR Lens Fujifilm 16-55mm F2.8 R LM WR
24 - 82.5mm 655gr 1262gr 106mm Amazon B&H Photo
Fast Tele Zoom Equivalent Lenses
Model FF Equiv. Weight Weight w/ Cam Length Street Price
Olympus ED 35-100mm f2.0 Lens Olympus ED 35-100mm f2.0
70 - 200mm 1650gr 2040gr 214mm Amazon B&H Photo
Fujifilm 55-200mm F3.5-4.8 R LM OIS Lens Fujifilm 55-200mm F3.5-4.8 R LM OIS
82.5 - 300mm 580gr 1187gr 118mm Amazon B&H Photo
Fast Normal Prime Equivalent Lenses
Model FF Equiv. Weight Weight w/ Cam Length Street Price
Olympus M 25mm F1.8 Lens Olympus M 25mm F1.8
50mm 136gr 526gr 41mm Amazon B&H Photo
Fujifilm 35mm F1.4 R Lens Fujifilm 35mm F1.4 R
52.5mm 187gr 794gr 55mm Amazon B&H Photo
Fast Wideangle Zoom Equivalent Lenses
Model FF Equiv. Weight Weight w/ Cam Length Street Price
Olympus ED 7-14mm F2.8 PRO Lens Olympus ED 7-14mm F2.8 PRO
14 - 28mm 534gr 924gr 106mm Amazon B&H Photo
Fujifilm XF 10-24mm F4 R OIS Lens Fujifilm XF 10-24mm F4 R OIS
15 - 36mm 410gr 1017gr 87mm Amazon B&H Photo
24-105mm f4 Equivalent Lenses
Model FF Equiv. Weight Weight w/ Cam Length Street Price
Olympus ED 12-60mm f2.8-4.0 SWD Lens Olympus ED 12-60mm f2.8-4.0 SWD
24 - 120mm 575gr 965gr 99mm Amazon B&H Photo
Fujifilm XF 16-80mm F4 R OIS WR Lens Fujifilm XF 16-80mm F4 R OIS WR
24 - 120mm 440gr 1047gr 89mm Amazon B&H Photo
Super-Tele Zoom Equivalent Lenses
Model FF Equiv. Weight Weight w/ Cam Length Street Price
Olympus 150-400mm F4.5 TC 1.25x IS Lens Olympus 150-400mm F4.5 TC 1.25x IS
300mm 1850gr 2240gr mm Amazon B&H Photo
Fujifilm XF 100-400mm F4.5-5.6 Lens Fujifilm XF 100-400mm F4.5-5.6
150 - 600mm 1375gr 1982gr 211mm Amazon B&H Photo
What types of Photography are Olympus E-M10 II and Fujifilm X-T4 Good for?
In this section, we rank and compare Olympus E-M10 II and Fujifilm X-T4 for five different photography types in order to make your decision process easier in case you are specifically interested in one or more of these areas.

Olympus E-M10 II for Portrait Photography

GOOD

Fujifilm X-T4 for Portrait Photography

GOOD
Large Four Thirds (17.3 x 13 mm) sensor
Image Stabilization
Electronic Built-in Viewfinder
Good Ergonomics&Handling
Average Resolution Sensor: 16.0MP
Read the details
Large APS-C (23.5 x 15.6 mm) sensor
Very High Resolution Sensor: 26.0MP
Image Stabilization
Electronic Built-in Viewfinder
Good Ergonomics&Handling
Read the details

Olympus E-M10 II for Street Photography

EXCELLENT

Fujifilm X-T4 for Street Photography

EXCELLENT
Large Four Thirds (17.3 x 13 mm) sensor
Image Stabilization
Electronic Built-in Viewfinder
Live-view
Face-Detection Focusing
Tilting LCD Screen
Medium sized Body
Read the details
Large APS-C (23.5 x 15.6 mm) sensor
Image Stabilization
Electronic Built-in Viewfinder
Live-view
Face-Detection Focusing
Fully Articulated LCD Screen
Medium sized Body
Read the details

Olympus E-M10 II for Sports Photography

GOOD

Fujifilm X-T4 for Sports Photography

GOOD
Image Stabilization
Electronic Built-in Viewfinder
Good Ergonomics&Handling
Fast Continuous Shooting: 8.0fps
Fast Max shutter speed: 1/4000s
81 Focus Points
Wireless Connection
Environmental Sealings
Read the details
Image Stabilization
Electronic Built-in Viewfinder
Good Ergonomics&Handling
Fast Continuous Shooting: 15.0fps
Environmental Sealings
Fast Max shutter speed: 1/8000s
425 Focus Points
Good Low Light ISO
Wireless Connection
Anti Flicker feature
Read the details

Olympus E-M10 II for Daily Photography

GOOD

Fujifilm X-T4 for Daily Photography

GOOD
Large Four Thirds (17.3 x 13 mm) sensor
Medium size Body
390g
Body Thickness 47mm
Read the details
Large APS-C (23.5 x 15.6 mm) sensor
Environmental Sealings
Anti Flicker feature
Medium size Body
607g
Body Thickness 64mm
Read the details

Olympus E-M10 II for Landscape Photography

AVERAGE

Fujifilm X-T4 for Landscape Photography

AVERAGE
Large Four Thirds (17.3 x 13 mm) sensor
Live-view
Average Resolution Sensor: 16.0MP
No Environmental Sealings
Read the details
Large APS-C (23.5 x 15.6 mm) sensor
Very High Resolution Sensor: 26.0MP
Environmental Sealings
Live-view
Read the details

Olympus E-M10 II vs Fujifilm X-T4: OUR DECISION

You may have already made your decision about which camera suits better for your needs and your budget so far but in case you wonder how we rated Olympus E-M10 II and Fujifilm X-T4, below you can find their scores in five different aspects. Our Decision Algorithm dynamically scores cameras using 63 different specs, current price and DxO Mark scores (where possible) in order to make a more objective and consistent comparison.

Here is a summary of how Olympus E-M10 II and Fujifilm X-T4 scores compare:

Olympus E-M10 II
Imaging
Features
Value
Portability
Overall
Ranked #49 out of 86 in SLR-style mirrorless cameras
Ranked #99 out of 1220 in all Cameras
Fujifilm X-T4
Imaging
Features
Value
Portability
Overall
Ranked #23 out of 86 in SLR-style mirrorless cameras
Ranked #27 out of 1220 in all Cameras

Fujifilm X-T4 is the overall winner of this comparison. It has a higher Overall Score and beats Olympus E-M10 II in all criteria except one: Portability.
If small size and light body is a big priority for you, choose Olympus E-M10 II. Otherwise, Fujifilm X-T4 is the better camera overall.

Olympus E-M10 II
Olympus E-M10 II
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Fujifilm X-T4
Fujifilm X-T4
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Fujifilm X-T4 vs Olympus E-M10 II Specs Table
Detailed comparison of specifications
General Olympus OM-D E-M10 II Fujifilm X-T4
Brand Olympus Fujifilm
Announced 2015-08-25 2020-02-24
Body Type SLR-style mirrorless SLR-style mirrorless
Sensor
Type CMOS X-Trans CMOS 4
Size Four Thirds APS-C
Dimensions 17.3 x 13 mm 23.5 x 15.6 mm
Area 224.90mm2 366.60mm2
Megapixels 16 megapixels 26 megapixels
Max Resolution 4608 x 3456 6240 x 4160
Max Native Light sensitivity 25,600 ISO 12,800 ISO
Max Boosted Light Sensitivity - 51200 ISO
Min Native Light sensitivity 200 ISO 160 ISO
Min Boosted Light Sensitivity 100 ISO 80 ISO
RAW Support
Autofocus
AF Touch
AF Continuous
AF Single
AF Tracking
AF Selective
AF Center
AF Multi Area
AF Live View
AF Face Detection
AF Contrast Detection
AF Phase Detection
Number of Focus Points 81 425
Lens
Manual Focus
Lens Mount Micro Four Thirds Fujifilm X
Number of Available Lenses 107 56
Screen
Type Tilting Fully Articulated
Size 3 3
Resolution 1,040k dots 1,620k dots
Touch Screen
Viewfinder
Viewfinder Electronic Electronic
Viewfinder Resolution 2,360k dots 3,690k dots
Viewfinder Coverage 100% 100%
Viewfinder Magnification 0.62x 0.75x
Photography Features
Max Mechanical Shutter 1/4000s 1/8000s
Max Electronic Shutter n/a 1/32000s
Shutter Priority
Aperture Priority
Manual Exposure Mode
Custom White Balance
Image Stabilization Sensor-shift Sensor-shift
Built-in Flash
Flash Range 5.80 m (ISO 100) no built-in flash
Max Flash Sync n/a 1/250s
External Flash
Continuous Shooting 8.0 fps 15.0 fps
Multi-Segment
Average
Spot
Partial
AF-Area
Center Weighted
AE Bracketing
WB Bracketing
Video Features
Max Video Resolution 1920 x 1080 4096 x 2160
Video Formats H.264, Motion JPEG MPEG-4, H.264, H.265
Microphone Port
Headphone Port
Connectivity
Wireless Connectivity Built-In Built-In
HDMI
Physical
Environmental Sealing
Weight 390g 607g
Dimensions 120 x 83 x 47mm 135 x 93 x 64mm
Battery Life 320 shots 500 shots
Other Features
Timelapse Recording
GPS None None
DxO Sensor Scores
DxO Overall Score 73 not tested
DxO Color Depth 23.1 not tested
DxO Dynamic Range 12.5 not tested
DxO Low Light ISO 842 not tested
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