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Canon EOS R3 vs Nikon D850 Comparison

Storage & Battery

Canon EOS R3

Canon EOS r3 Camera image

Nikon D850

Nikon D850
Canon EOS R3
Nikon D850
Refers to the year this camera was officially made available for sale.
Announcement Date
Refers to the date the manufacturer publicly announced the upcoming release and general specs of this camera.
September 14, 2021
August 23, 2017
Camera Type
Camera Size
Camera Weight

The Canon EOS R3 takes the lead with a score of 84/100, while the Nikon D850 trails close behind at 82/100. Both cameras share similarities, such as their high-quality build and similar weight, with the EOS R3 weighing 1015g and the D850 weighing 1005g. Their dimensions are also comparable, with the EOS R3 measuring 150 x 143 x 87mm and the D850 at 146 x 124 x 79mm.

The Canon EOS R3 outshines the Nikon D850 with its cutting-edge mirrorless technology and recent release in 2021. This advanced camera also justifies its higher launch price of $5999, compared to the D850’s $3300 in 2017.

However, the Nikon D850 still holds its ground with its DSLR capabilities and more affordable price, making it an attractive option for those on a budget or who prefer a DSLR.

Taking these factors into account, the Canon EOS R3 emerges as the superior camera based on its higher score and advanced mirrorless technology. However, the Nikon D850 remains a worthy contender for those seeking a more budget-friendly DSLR option.

Canon EOS R3 vs Nikon D850 Overview and Optics

The Canon EOS R3 outperforms the Nikon D850 in optics with a score of 84/100, while the Nikon D850 scores 79/100. Both cameras share some common specifications, such as CMOS sensor type, full-frame sensor size, and their respective brand-specific lens mounts – Canon RF and Nikon F FX.

The Canon EOS R3 excels in shooting speed, reaching 30 frames per second, which is significantly faster than the Nikon D850’s 7 frames per second. This advantage allows the EOS R3 to capture fast-moving subjects with ease. Additionally, the EOS R3 features image stabilization, which helps reduce camera shake and enhance image quality in low-light situations or when using slower shutter speeds. The superior DIGIC X processor in the EOS R3 also contributes to its overall performance.

On the other hand, the Nikon D850 boasts a higher megapixel count of 45.7, compared to the EOS R3’s 24 megapixels. This difference results in larger, more detailed images, which may be beneficial for photographers who require high-resolution output. Furthermore, the D850’s sensor has a higher DXOMARK score of 100, indicating better overall image quality compared to the EOS R3’s score of 96.

In terms of optics, the Canon EOS R3’s faster shooting speed, image stabilization, and advanced processor make it a strong contender, particularly for action and sports photography. However, the Nikon D850’s higher megapixel count and superior sensor quality should not be overlooked, as they can provide exceptional image detail and quality for landscape or portrait photography. Ultimately, the choice between these two cameras depends on the specific needs and preferences of the photographer.

The higher the number of megapixels, the more detail the cameras sensor can capture.
24 MP
45.7 MP
Image Resolution
Image resolution is measured in pixels and megapixels, width by height. The higher the number, the higher its resolution.
6012 x 4016 px
8256 x 5504 px
Sensor Type
The camera sensor captures light and records the image. Sensors vary in physical size, the number of pixels, and quality.
Sensor Size
The sensor size contributes to the overall quality as well as the dynamic and tonal range a camera can capture. As a rule of thumb, the more surface there is to read the light, the more information it will capture.
24 x 36 mm
23.9 x 35.9 mm
Sensor Format
Refers to the most commonly used sensor sizes.
Full Frame
Full Frame
Frame Rate
The number of sequential frames per second the camera can write to the memory card when shooting in burst or continuous mode.
30 fps
7 fps
Lens Mount
The lens mount will tell you what type of lens range you can fit onto the camera body. Often the same camera company will have different lens ranges for different cameras.
Canon RF
Nikon F FX
Image Processor
The image processor in the camera converts the information collected on the sensor for digital storage on the memory card.
Digic X
Expeed 5
Aspect Ratio
The aspect ratio refers to the proportional difference between width and height. The most popular aspect ratios are 3:2 and 4:3.
Minimum ISO (Native)
Refers to the lowest native (or 'base') ISO setting. Lower ISO are less sensitive to light but make a cleaner image.
Maximum ISO (Native)
Refers to the highest native (or 'base') ISO setting. Higher ISO is necessary for low-light situations or night photography, but higher ISOs often introduce grain or noise.
Minimum ISO (Expanded)
Expanded (or extended) ISO is a digitally enhanced feature available on some cameras. It allows you to push beyond the native ISO range if necessary.
Maximum ISO (Expanded)
Expanded (or extended) ISO is a digitally enhanced feature available on some cameras. It allows you to push beyond the native ISO range if necessary.
Minimum Shutter Speed
The minimum shutter speed will tell you the longest exposure your camera can take without using an external accessory.
30 s
30 s
Maximum Shutter Speed
The maximum shutter speed tells you the length inside 1 second the camera will capture. These can sometimes be extended with accessories such as extra external batteries.
1/ 8000 s
1/ 8000 s
Autofocus Points
Autofocus points show where the camera is focusing graphically as squares or brackets in Live View or on an electronic viewfinder. These points are also used for light meter readings.
In-body Stabilization
In-body Stabilization means the camera has a certain technology embedded that counteracts camera shake.
Viewfinder Type
The viewfinder type is either electronic or optical. Electronic viewfinders will have a small screen in the viewfinder. Optical viewfinders will use prisms and mirrors to look through the lens.
Optical (pentaprism)
Viewfinder Resolution
5,760,000 dots

Canon EOS R3 vs Nikon D850 Video Performance

The Canon EOS R3 outperforms the Nikon D850 in video capabilities with a score of 96/100 compared to the D850’s 70/100. Both cameras share some common specs, such as built-in time-lapse functionality. However, the EOS R3 offers superior video features that contribute to its higher score.

The EOS R3 boasts a maximum video resolution of 6K (6000 x 3164), while the D850 only reaches 4K (3840 x 2160). This difference in resolution results in sharper and more detailed footage from the EOS R3. Additionally, the EOS R3 supports a maximum video frame rate of 120fps, enabling smoother slow-motion capture. In contrast, the D850’s maximum frame rate is 30fps, limiting its slow-motion capabilities.

Despite its lower score, the Nikon D850 still offers quality video performance. Its 4K resolution is sufficient for most purposes, and the built-in time-lapse functionality is a valuable feature for both cameras. However, the EOS R3’s higher resolution and frame rate provide a noticeable advantage in video capabilities.

In comparing the two cameras, the Canon EOS R3 emerges as the clear winner in terms of video performance. With its 6K resolution and 120fps frame rate, it delivers superior video quality and slow-motion capabilities. While the Nikon D850 is a capable camera with 4K resolution and time-lapse functionality, it falls short in comparison to the EOS R3’s advanced features. Users seeking the best video capabilities should opt for the Canon EOS R3.

Indicates if this camera is capable of recording video.
Max Video Resolution
The best resolution this camera can capture video in. Modern cameras can capture up to 8K video.
Max Video Dimensions
Video resolution measured by the greatest number of pixels possible in each frame, width by height. A higher resolution means more detail or clarity in your video.
6000 x 3164 px
3840 x 2160 px
Max Video Frame Rate
How many frames per second your video will capture. Most cameras have options for multiple frame rates, depending on the resolution you shoot in. For a general video, 24p or 30p is the standard, but more serious filmmakers may need a higher frame rate for creative effect.
120 p
30 p
Time-Lapse Built In
A built in time-lapse mode will allow continuous shooting throughout a prolonged period of time to be compressed into a sped up video.
Video File Format
Different cameras can record in various video file formats. The File format you record in can impact how you edit and use the files.

Canon EOS R3 vs Nikon D850 Features and Benefits

The Canon EOS R3 and Nikon D850 both have a feature score of 87/100. These cameras share several specifications, such as screen size (3.2 inches), touchscreen capabilities, WiFi, and Bluetooth connectivity. However, there are differences between the two cameras that make one better than the other in certain aspects.

The Canon EOS R3 outperforms the Nikon D850 in terms of its screen resolution and flip screen feature. The EOS R3 boasts a screen resolution of 4,150,000 dots, which is significantly higher than the D850’s 2,359,000 dots. This higher resolution allows for better image quality when reviewing photos and navigating menus. Additionally, the EOS R3 has a flip screen, providing more flexibility for shooting at various angles, while the D850 lacks this feature.

On the other hand, the Nikon D850 has an advantage over the Canon EOS R3 in the absence of GPS capabilities. The D850 does not have a built-in GPS, which could be beneficial for photographers who prefer not to have their location data stored or those who want to save battery life.

In terms of shared features, both cameras have a 3.2-inch touchscreen, allowing for easy navigation and control. They also have WiFi and Bluetooth connectivity, enabling photographers to transfer images wirelessly and control the camera remotely.

Considering the differences and similarities, the Canon EOS R3 offers a better screen resolution and flip screen feature, making it more versatile in various shooting situations. However, the Nikon D850 might be more suitable for those who prefer not to have GPS capabilities. Ultimately, the choice between these two cameras depends on the individual photographer’s needs and preferences.

Built-in Flash
A built-in flash will often be positioned right above the lens. This will automatically pop up when you activate it.
External Flash
External flashes are often connected through a hot shoe at the top of a camera, or a cable at the side of the camera.
GPS features in a camera will include location metadata to each of your photographs.
Weather Sealing
Weather sealing capabilities will give you more confidence when shooting in unfavourable conditions.
Screen Type
Touch Screen
Touchscreen allows you to change camera settings and access menus with a swipe of your finger, instead of using buttons.
Screen Size
Screen Resolution
Screen dots indicate the resolution of the LCD screen by including each sub pixel.
4,150,000 dots
2,359,000 dots
Flip Screen
A flip screen (or articulating screen) is a second screen which can flip out from the side or top of the camera. This rotating screen allows you more freedom to take photos at different angles.
Live View
Live View feature allows you to see a continuous live video of what is being seen through your lens.
Bluetooth capabilities allow you wireless control of your camera with other external devices.

Canon EOS R3 vs Nikon D850 Storage and Battery

The Nikon D850 wins in the storage and battery category with a score of 84/100, compared to the Canon EOS R3’s 81/100. Both cameras share common features such as having two memory card slots and accepting SD/SDHC/SDXC cards. The Nikon D850’s edge comes from its impressive battery life of 1840 shots, more than double the Canon EOS R3’s 760 shots. Additionally, the Nikon D850 uses the EN-EL15a battery type, while the Canon EOS R3 relies on the LP-E19 battery.

However, the Canon EOS R3 holds an advantage in that it supports USB charging, which the Nikon D850 lacks. This feature provides added convenience for users who need to charge their camera on-the-go. Despite its lower score, the Canon EOS R3 offers a unique benefit in terms of charging options.

Taking these factors into account, the Nikon D850 stands out for its superior battery life, while the Canon EOS R3 offers the convenience of USB charging. Both cameras have their merits in the storage and battery department, and the choice ultimately depends on the user’s priorities and preferences.

Storage and Battery
Storage and Battery
Memory Card
SD / SDHC / SDXC, CFexpress Type B (UHS-II compatible)
SD / SDHC / SDXC (UHS-II compatible), XQD
Dual Memory Card Slots
Battery Type
Battery Life
Approximately how long this cameras battery will last measured by how many photographs you will be able to take.
760 shots
1,840 shots
USB Charging
Sensor scores tested by DXOMARK
Overall Score
DXOMARK overall sensor score.
Portrait (Color Depth)
As described by DXOMARK 'The Portrait score in our camera sensor reviews defines color depth performance and its unit is a number of bits. A color depth of 22 bits is excellent; differences below 1 bit are barely noticeable.'
25 bits
26.4 bits
Landscape (Dynamic Range)
As described by DXOMARK 'The Landscape score in our camera sensor tests defines the maximum dynamic range of the camera sensor and its unit is an exposure value (EV). A value of 12 EV is excellent with differences below 0.5 EV usually not noticeable.'
14.7 EVs
14.8 EVs
Sports (Low-Light ISO)
Described by DXOMARK as 'The maximal value of ISO sensitivity needed to reach a given value of Signal-to-Noise Ratio (SNR). The greater the value, the better'

Canon EOS R3 vs Nikon D850 – Our Verdict

Canon EOS R3 vs Nikon D850 Comparison image.

Are you still undecided about which camera is right for you? Have a look at these popular comparisons that feature the Canon EOS R3 or the Nikon D850:

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