Olympus E-M5 Mark III vs Nikon D750

Camera to replace

Change

Olympus E-M5 III

20 MP | Four Thirds (17.4 x 13 mm) MOS Sensor

CHECK PRICE

Change

Nikon D750

24 MP | Full frame (35.9 x 24 mm) CMOS Sensor

CHECK PRICE

Olympus E-M5 III vs Nikon D750 Comparison Overview

Here we are comparing two cameras with different body types: Olympus E-M5 III, which was introduced in October 2019 is a Advanced Mirrorless camera with a 20.0MP Four Thirds sensor whereas Nikon D750, which was introduced in September 2014 is a Advanced DSLR camera with a 24.0MP Full frame sensor. As you can see, D750 is 5 years older than E-M5 Mark III. Let's see if this age difference between two cameras makes a big difference.

Despite some fundamental differences of these two body types, Mirrorless cameras are becoming serious alternatives to DSLR cameras thanks to their size/weight advantages and recent improvements in their focus speeds , which makes this comparison even more interesting. Fortunately, you can't go wrong with any of these cameras as we rank them amongst Top 10 cameras in their classes. Olympus E-M5 III is ranked #5 out of 48 Advanced Mirrorless cameras with an overall score of 75 whereas Nikon D750 is ranked #5 out of 92 Advanced DSLR cameras with an overall score of 83.

Let's have a brief look at the main features of Olympus E-M5 III and Nikon D750 before getting into our more detailed comparison.

Olympus E-M5 III Key Specs

Announcement Date: 2019-10-17

20MP - Four Thirds MOS Sensor

ISO 200 - 25600

Micro Four Thirds Mount

Sensor-shift Image Stabilization

3" Fully Articulated Screen

2360k dot Electronic viewfinder

30.0 fps continuous shooting

4096 x 2160 video resolution

120 fps High-Speed Video

Built-in Wireless

414g. 125 x 85 x 50 mm

Weather Sealed Body

Replaced Olympus OM-D E-M5 II Compare

Nikon D750 Key Specs

Announcement Date: 2014-09-12

24MP - Full frame CMOS Sensor

ISO 100 - 12800 ( expands to 50-51200)

Nikon F Mount

3.2" Tilting Screen

Optical (pentaprism) viewfinder

6.5 fps continuous shooting

1920 x 1080 video resolution

Built-in Wireless

840g. 141 x 113 x 78 mm

Weather Sealed Body

Replaced Nikon D700 Compare

Nikon D750 was replaced by Nikon D780. You may also be interested in these comparisons:
Nikon D780 vs Nikon D750
Nikon D780 vs Olympus OM-D E-M5 III

Let's read on the following sections in order to better understand in detail how Olympus E-M5 III and Nikon D750 compares and hopefully end up with enough arguments to decide which one is better for you.

Reasons to choose Olympus OM-D E-M5 III over Nikon D750

Built-in Image Stabilization	Sensor-shift vs None	All the lenses are stabilized
Touch Screen	Yes vs No	Easy control of camera functions
Max ISO	25.600 vs 12.800	100% higher Max ISO
Number of Focus Points	121 vs 51	70 more focus points
Max Mech. Shutter	1/8000s vs 1/4000s	faster mechanical shutter
Continuous Shooting	30.0fps vs 6.5fps	23.5 fps faster
Weight	414 g vs 840 g	426 g lighter
Max Video Resolution	4096 x 2160 vs 1920 x 1080	Higher Resolution Video
Pixel Shift High-Res Mode	Yes (50.0MP) vs No	Increased resolution with pixel shift
Bluetooth	Yes vs No	Connect your camera to other devices via Blueetooth
Focus Bracketing	Yes vs No	Take multiple photos shifting focus point
Focus Stacking	Yes vs No	Stacks photos in-camera to maximize depth of field

Reasons to choose Nikon D750 over Olympus OM-D E-M5 III

Built-in Flash	Yes vs No	Useful in low-light
Max Sensor Resolution	24 MP vs 20 MP	19% more pixels
LCD Screen Size	3.2" vs 3"	0.2 inches larger display
LCD Screen Resolution	1.229k dots vs 1.040k dots	18% higher resolution screen
Battery Life	1230 shots vs 310 shots	920 more frames with a single charge
Headphone Port	Yes vs No	better video control
Sensor Pixel Area	35.66µm² vs 11.22µm²	217% larger pixel area
Top LCD	Yes vs No	Help viewing and changing settings easily
Storage Slot	2 vs 1	Extra storage slot
Autofocus at f/8 aperture	11 points vs none	Autofocus with teleconverters

Common Strengths of Olympus OM-D E-M5 III and Nikon D750

Wireless Connection	Yes vs Yes	Better connectivity
Articulating Screen	Yes vs Yes	Flexible shooting positions
External Flash Shoe	Yes vs Yes	Better for flash photography
Viewfinder	Yes (Electronic) vs Yes (Optical)	Better framing and control
RAW Support	Yes vs Yes	Better image quality
Face Detection Focus	Yes vs Yes	very handy for portraits
Max Resolution	20 MP vs 24 MP	Bigger prints and more details
LCD Screen Size	3" vs 3.2"	Large display
LCD Screen Resolution	1.040k dots vs 1.229k dots	High resolution screens
Continuous Shooting	30.0fps vs 6.5fps	Fast shooting speeds
Microphone Port	Yes vs Yes	High quality audio recording option
Environmental Sealing	Yes vs Yes	shoot at tough conditions
Timelapse Recording	Yes vs Yes	creative shooting
AE Bracketing	Yes vs Yes	Useful for tough lighting conditions and HDR
Smartphone Remote Control	Yes vs Yes	Remote control your camera with a smartphone
Support for UHS Memory Cards	UHS-II vs UHS-I	Read/Write in Ultra High Speeds

Common Weaknesses of Olympus OM-D E-M5 III and Nikon D750

Olympus E-M5 III vs Nikon D750: 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-M5 III and Nikon D750 side-by-side from the front, back and top in their relative dimensions.

Below you can see the front view size comparison of Olympus E-M5 III and Nikon D750. Olympus E-M5 III is clearly the smaller of the two cameras. Its body is 16mm narrower, 28mm shorter and 28mm thinner than Nikon D750.

Here is the back view size comparison of Olympus E-M5 III and Nikon D750.

Now lets look at the top view comparison of Olympus E-M5 III and Nikon D750.

Weight is another important factor especially when deciding on a camera that you want to carry with you all day. Olympus E-M5 III is significantly lighter (426g ) than the Nikon D750 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 Nikon D750 has a Full frame sensor and Olympus E-M5 III has a smaller Four Thirds sensor, Olympus E-M5 III's lenses for a similar focal length and aperture will generally be lighter and smaller than the Nikon D750 lenses.

Weight Comparison

DSLR Cameras

E-M5 Mark III

D750

Min

Average

Max

Thickness Comparison

DSLR Cameras

E-M5 Mark III

D750

Min

Average

Max

Weather Sealing

Both E-M5 Mark III and D750 have weather sealings in their body, making them resistant to water and dust.

LCD Screen Size and Features

Nikon D750's 3.2" LCD screen is slightly larger than Olympus E-M5 III's 3" screen.

Olympus E-M5 III vs Nikon D750: Sensor Comparison

Olympus E-M5 III has a 20.0MP Four Thirds (17.4 x 13 mm ) sized MOS sensor and features TruePic VIII processor. On the other hand, Nikon D750 has a 24.0MP Full frame (35.9 x 24 mm ) sized CMOS sensor and features Expeed 4 processor.

Below you can see the E-M5 Mark III and D750 sensor size comparison.

As seen above, Nikon D750 has a 3.8x Larger sensor area than Olympus E-M5 III. 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.

What types of Photography are Olympus E-M5 III and Nikon D750 Good for?

In this section, we rank and compare Olympus E-M5 III and Nikon D750 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-M5 III for Portrait Photography

GOOD

Nikon D750 for Portrait Photography

GOOD

Large Four Thirds (17.4 x 13 mm) sensor
Very High Resolution Sensor: 20.0MP
Image Stabilization
Electronic Built-in Viewfinder
Good Ergonomics&Handling
Read the details

Large Full frame (35.9 x 24 mm) sensor
Very High Resolution Sensor: 24.0MP
Optical Built-in Viewfinder
Good Ergonomics&Handling
No Image Stabilization
Read the details

Olympus E-M5 III for Street Photography

EXCELLENT

Nikon D750 for Street Photography

GOOD

Large Four Thirds (17.4 x 13 mm) sensor
Image Stabilization
Electronic Built-in Viewfinder
Live-view
Face-Detection Focusing
Fully Articulated LCD Screen
Medium sized Body
Read the details

Large Full frame (35.9 x 24 mm) sensor
Optical Built-in Viewfinder
Live-view
Face-Detection Focusing
Tilting LCD Screen
No Image Stabilization
Large Body
Read the details

Olympus E-M5 III for Sports Photography

GOOD

Nikon D750 for Sports Photography

EXCELLENT

Image Stabilization
Electronic Built-in Viewfinder
Good Ergonomics&Handling
Fast Continuous Shooting: 30.0fps
Environmental Sealings
Fast Max shutter speed: 1/8000s
121 Focus Points
Wireless Connection
Read the details

Optical Built-in Viewfinder
Good Ergonomics&Handling
Fast Continuous Shooting: 6.5fps
Environmental Sealings
Fast Max shutter speed: 1/4000s
15 Cross Type Focus sensors
51 Focus Points
Good Battery Life: 1230 shots
Good Low Light ISO
Wireless Connection
Average Continuous Shooting: 6.5fps
No Image Stabilization
Read the details

Olympus E-M5 III for Daily Photography

GOOD

Nikon D750 for Daily Photography

GOOD

Large Four Thirds (17.4 x 13 mm) sensor
Environmental Sealings
Medium size Body
414g
Body Thickness 50mm
Read the details

Large Full frame (35.9 x 24 mm) sensor
Environmental Sealings
Large Body
840g
Body Thickness 78mm
Read the details

Olympus E-M5 III for Landscape Photography

AVERAGE

Nikon D750 for Landscape Photography

AVERAGE

Large Four Thirds (17.4 x 13 mm) sensor
Very High Resolution Sensor: 20.0MP
Environmental Sealings
Live-view
Read the details

Large Full frame (35.9 x 24 mm) sensor
Very High Resolution Sensor: 24.0MP
Environmental Sealings
Live-view
Read the details

Nikon D750 vs Olympus E-M5 III 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 Nikon D750 has an advantage over Olympus E-M5 III There are 308 lenses for Nikon D750's Nikon F mount, on the other hand there are only 105 lenses for Olympus E-M5 III's Micro Four Thirds lens mount.

Another important factor is the availability of image stabilization. Olympus E-M5 III has a big advantage in this regard because it has a sensor based image stabilization which means that all the lenses mounted to this body will be stabilized. On the other hand, Nikon D750 doesn't have this feature so you have to buy a lens with optical stabilization feature. Currently there are 106 lenses for Nikon F mount with Optical Image Stabilization features.

Lens Type	# of Olympus E-M5 III Lenses	# of Nikon D750 Lenses
Standard Zoom	15	33 (17 Full Frame)
Standard Prime	12	21 (18 Full Frame)
Wideangle Zoom	5	33 (17 Full Frame)
Wideangle Prime	29	48 (46 Full Frame)
Telephoto Zoom	17	53 (43 Full Frame)
Telephoto Prime	9	44 (43 Full Frame)
SuperZoom	8	30 (6 Full Frame)
Wideangle Fisheye Prime	5	8 (3 Full Frame)
Macro Prime	4	26 (23 Full Frame)
Perspective Control Prime	n/a	11 (11 Full Frame)
Telephoto Mirror Prime	1	1 (0 Full Frame)
TOTAL	105	308 (227 Full Frame)

Olympus E-M5 III vs Nikon D750: 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-M5 III and Nikon D750, 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-M5 III and Nikon D750 scores compare:

Olympus E-M5 III

Imaging

Features

Value

Portability

Overall

Ranked #29 out of 66 in SLR-style mirrorless cameras
Ranked #66 out of 1190 in all Cameras

Nikon D750

Imaging

Features

Value

Portability

Overall

Ranked #6 out of 94 in Mid-size SLR cameras
Ranked #22 out of 1190 in all Cameras

Nikon D750 scores higher than the Olympus E-M5 III in Overall. It has better image quality and better value than Olympus E-M5 III. On the other hand, Olympus E-M5 III is more portable and has more features than Nikon D750.
If image quality is very important for you and you want to get the most bang for your bucks, choose the Nikon D750.
If you are looking for a small camera where you can take everywhere with you, and having more features are also important, Olympus E-M5 III is the right choice for you.

Olympus E-M5 III

CHECK PRICE

Nikon D750

CHECK PRICE

Nikon D750 vs Olympus E-M5 III Specs Table

Detailed comparison of specifications

General	Olympus OM-D E-M5 III	Nikon D750
Brand	Olympus	Nikon
Announced	2019-10-17	2014-09-12
Body Type	SLR-style mirrorless	Mid-size SLR
Sensor
Type	MOS	CMOS
Size	Four Thirds	Full frame
Dimensions	17.4 x 13 mm	35.9 x 24 mm
Area	226.20mm²	861.60mm²
Megapixels	20 megapixels	24 megapixels
Max Resolution	5184 x 3888	6016 x 4016
Max Native Light sensitivity	25,600 ISO	12,800 ISO
Max Boosted Light Sensitivity	-	51200 ISO
Min Native Light sensitivity	200 ISO	100 ISO
Min Boosted Light Sensitivity	64 ISO	50 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	121	51
Lens
Manual Focus
Lens Mount	Micro Four Thirds	Nikon F
Number of Available Lenses	105	308
Screen
Type	Fully Articulated	Tilting
Size	3"	3.2"
Resolution	1,040k dots	1,229k dots
Touch Screen
Viewfinder
Viewfinder	Electronic	Optical (pentaprism)
Viewfinder Resolution	2,360k dots	no electronic viewfinder
Viewfinder Coverage	100%	100%
Viewfinder Magnification	0.68	0.7
Photography Features
Max Mechanical Shutter	1/8000s	1/4000s
Max Electronic Shutter	1/32000s	n/a
Shutter Priority
Aperture Priority
Manual Exposure Mode
Custom White Balance
Image Stabilization	Sensor-shift	No
Built-in Flash
Flash Range	no built-in flash	12.00 m (at ISO 100)
Max Flash Sync	1/250s	1/200s
External Flash
Continuous Shooting	30.0 fps	6.5 fps
Multi-Segment
Average
Spot
Partial
AF-Area
Center Weighted
AE Bracketing
WB Bracketing
Video Features
Max Video Resolution	4096 x 2160	1920 x 1080
Video Formats	MPEG-4, H.264	MPEG-4, H.264
Microphone Port
Headphone Port
Connectivity
Wireless Connectivity	Built-In	Built-In
HDMI
Physical
Environmental Sealing
Weight	414g	840g
Dimensions	125 x 85 x 50mm	141 x 113 x 78mm
Battery Life	310 shots	1230 shots
Other Features
Timelapse Recording
GPS	None	Optional
DxO Sensor Scores
DxO Overall Score	not tested	93
DxO Color Depth	not tested	24.8
DxO Dynamic Range	not tested	14.5
DxO Low Light ISO	not tested	2956
	Report a correction	Report a correction