Canon R3 Vs Canon EOS 1DX III

Girl in a jacket

Canon has always been at the forefront of the industry when it comes to producing cameras of a professional quality, giving cutting-edge technology and outstanding performance. Both the Canon R3 and the Canon EOS 1DX III are among the most coveted cameras now available, and they are designed specifically with the requirements of working professionals in photography and videography in mind.

In this post, we will go deeply into the capabilities and characteristics of these two flagship models with the intention of assisting you in making an educated selection based on the requirements that are unique to your situation.

$4,999.00 $5,999.00 11 usado de $4,669.95 13 nuevo de $4,999.00
Canon EOS R3
$6,499.00 4 usado de $3,999.95 5 nuevo de $6,499.00
Canon EOS-1D X Mark III

Design and Build

The layout and construction of a camera are extremely important considerations, particularly for professionals who frequently operate in demanding settings. The magnesium-alloy body of the Canon R3 is weather-sealed, preserving the camera’s long-term reliability and providing protection against dust and moisture.

In addition, the EOS 1DX III has a sturdy construction and an outstanding weather-sealing, which makes it appropriate for a wide variety of shooting environments.

Image Sensor and Resolution

The image sensor is the most important component of any camera, and in this respect, the R3 and the EOS 1DX III both shine. The Canon R3 incorporates a full-frame sensor that has a resolution of 24.1 megapixels and a sophisticated DIGIC X engine. It offers superb image quality in addition to better performance in low-light conditions and less noise.

On the other hand, the Canon EOS 1DX III is equipped with a powerful DIGIC X processor and a full-frame CMOS sensor that is 20.1 megapixels in resolution. In spite of the fact that it has a somewhat lower resolution, the sensor’s bigger pixels allow for improved light collection, which results in exceptional image quality, particularly in low-light circumstances.

Autofocus System

Obtaining photos that are clear and in focus requires an autofocus system that is both quick and precise. The Canon R3 is equipped with a remarkable Dual Pixel CMOS AF II technology that features 1,053 autofocus points that cover the entirety of the frame. This technique provides lightning-fast focusing and consistent subject tracking, which makes it ideal for recording high-speed action since it is suitable for catching moving subjects.

In a same vein, the EOS 1DX III features a 191-point autofocus system that is equipped with Intelligent Tracking and Recognition III (iTR) technology. This combination delivers very precise and dependable focusing performance, particularly when shooting subjects that are in motion.

Specifications Comparison

SpecificationCanon R3Canon EOS 1DX III
Sensor24.1 MP Full-Frame CMOS20.1 MP Full-Frame CMOS
Image ProcessorDIGIC XDual DIGIC 6+
ISO Range100-102,400 (expandable)100-102,400 (expandable)
Autofocus Points1,053 AF points191 AF points (155 cross-type)
Dual Pixel CMOS AFYesNo
In-Body Image Stabilization (IBIS)YesNo
Burst ShootingUp to 30 fps (electronic)Up to 16 fps
Video Recording8K DCI @ 30p, 4K DCI @ 120p4K DCI @ 60p
LCD Screen3.2″ 2.1m-dot Vari-Angle3.2″ 2.1m-dot Fixed
Viewfinder5.76m-dot OLED EVFOptical, Pentaprism
ConnectivityBuilt-in Wi-Fi, BluetoothBuilt-in Wi-Fi, Ethernet
Battery LifeApprox. 560 shots per chargeApprox. 2850 shots per charge
Dimensions150.4 x 138.4 x 87.2 mm158 x 167.6 x 82.6 mm
WeightApprox. 1015g (body only)Approx. 1440g (body only)

Burst Shooting

The ability to shoot in rapid succession is an essential function for photographers specializing in sports and action. When utilizing the electronic shutter, the Canon R3 is capable of shooting at an incredible 30 frames per second (fps), but when using the mechanical shutter, it can shoot at 12 fps. This rapid-fire burst shooting will ensure that none of life’s precious moments are lost to you.

On the other hand, the EOS 1DX III has an exceptional burst shooting rate of 16 frames per second when using the optical viewfinder and 20 frames per second while shooting in Live View, making it a good choice for recording events that occur at a rapid speed.

Image Stabilization

Both cameras come equipped with sophisticated technologies for stabilizing the picture. The Canon R3 incorporates in-body image stabilization (IBIS), which reduces the appearance of blur in handheld photographs by counteracting the effects of camera shake.

Because it is a DSLR, the Canon EOS 1DX III depends on lens-based stabilization, which is just as effective, particularly when using lenses that are compatible with the camera.

Video Capabilities

Both cameras have extensive video capabilities, which videographers will find useful in their work. The Canon R3 is capable of recording in 8K RAW, which offers a tremendous amount of information as well as versatility during post-processing. It is also capable of capturing 4K video at up to 120 frames per second, which enables users to capture spectacular slow-motion videos.

In a similar vein, the EOS 1DX III satisfies the requirements of professional videographers by providing 5.5K RAW internal recording as well as 4K video recording at up to 60 frames per second.

ISO Range and Low Light Performance

When there is not a lot of light, the performance of a camera’s ISO becomes more important. In this way, the Canon R3 and the EOS 1DX III perform quite well. In low-light conditions, the R3’s outstanding native ISO range of 100-102,400, which can be expanded to a maximum of 204,800, ensures that there will be very little noise.

Additionally, the EOS 1DX III features a strong native ISO range that extends from 100 to 102,400 and can be expanded all the way up to 819,200, making it extremely capable of shooting photographs in lighting settings that are difficult to work with.

User Interface and Controls

The total experience that a photographer has is significantly impacted by the user interface as well as the controls. The Canon R3 features an easy-to-use touchscreen as well as an electronic viewfinder, allowing for streamlined navigation and a variety of individualized adjustment choices. In addition to that, it comes with a brand new multi-controller that makes it simple to switch between several focal points.

Because it is a DSLR, the Canon EOS 1DX III includes both a conventional optical viewfinder and a touchscreen on the back of the camera. Because of its user-friendly design and controls, you can get to the most important settings in a flash, making it possible to shoot effectively even in high-pressure situations.

Battery Life

When photographing for a lengthy period of time, having a battery that lasts is essential. The Canon R3 has a high-capacity LP-E19 battery, which allows for a longer amount of time that it may be used for photography.

The Canon EOS 1DX III also has the same LP-E19 battery, which ensures a continuous supply of power for the camera.

Connectivity Options

Both cameras come with a comprehensive assortment of different connecting possibilities. The Canon R3 comes equipped with built-in Wi-Fi and Bluetooth, making it simple to share files and take photographs remotely. In addition to that, it comes equipped with an Ethernet connector, which enables speedier connected communications.

Additionally, the Canon EOS 1DX III features built-in Wi-Fi, Bluetooth, and GPS, which allow for continuous connectivity as well as geotagging capabilities.

Price and Value for Money

Both cameras, being flagship models, come with a hefty price tag attached to them. The Canon R3, being a more recent model, is typically offered at a price that is somewhat more than that of the EOS 1DX III.

However, the worth of the money depends on the tastes and requirements of the individual.

$4,999.00 $5,999.00 11 usado de $4,669.95 13 nuevo de $4,999.00
Canon EOS R3
$6,499.00 4 usado de $3,999.95 5 nuevo de $6,499.00
Canon EOS-1D X Mark III


To summarize, the Canon R3 and the Canon EOS 1DX III are both remarkable cameras that were developed for professionals that are interested in achieving the highest possible levels of performance.

The EOS 1DX III is a tried-and-true workhorse for photographers who like the DSLR form factor, while the R3, which utilizes mirrorless technology, provides cutting-edge functionality.


Q: Can I use my existing EF lenses on the Canon R3?
A: Yes, the Canon R3 is compatible with EF lenses using an EF-EOS R adapter.
Q: Does the EOS 1DX III have dual memory card slots?
A: Yes, the EOS 1DX III has two CFexpress card slots for high-speed storage.
Q: Is the Canon R3 suitable for wildlife photography?
A: Absolutely! The Canon R3’s fast autofocus and burst shooting make it an excellent choice for wildlife photography.
Q: Can I shoot in RAW format with the EOS 1DX III?
A: Yes, the EOS 1DX III offers RAW image capture for maximum post-processing flexibility.
Q: Does the Canon R3 have a silent shooting mode?
A: Yes, the Canon R3 offers an electronic shutter mode for silent shooting.