Canon R5 Vs Canon EOS 1DX III

Girl in a jacket

Canon has been recognized as a market leader in the realm of professional photography for many years. The company is known for producing high-quality cameras that are designed to meet the requirements of photography hobbyists as well as working photographers.

Now that the Canon R5 and the Canon EOS 1DX III have both been introduced to the market, photographers have a choice between two highly capable cameras. This post will provide you with an in-depth comparison of these two cameras, outlining their respective advantages and disadvantages, with the goal of assisting you in making an educated purchase decision.

$6,499.00 5 used from $3,995.00 6 new from $6,499.00
Canon EOS-1D X Mark III Body

Design and Build

Both the Canon R5 and the Canon EOS 1DX III are designed to operate reliably even under the most demanding conditions seen in professional photography. The 1DX III has a design that is similar to that of typical DSLR cameras and has an incorporated grip.

This provides a sturdy and ergonomic feel that is ideal for longer periods of shooting. On the other hand, the R5’s mirrorless design makes it smaller and lighter, which makes it a versatile alternative for photographers who are often on the go.

Image Sensor and Resolution

The image sensor and the resolution of each of these cameras is one of the primary distinguishing characteristics between them. The Canon R5’s sensor has a resolution of 45 megapixels, which results in extraordinary detail and makes it possible to produce big prints and extensive cropping without compromising image quality.

In comparison, the 20.1-megapixel sensor included in the 1DX III may appear to have a smaller resolution, but it excels in giving improved performance in low-light situations as well as decreased noise while shooting at higher ISO settings.

Autofocus System

Both cameras have exceptional focusing capabilities; nevertheless, the technology that they use are distinct from one another. The R5 features a cutting-edge Dual Pixel CMOS AF II system with 1053 AF points, which allows it to cover a large portion of the frame and ensures speedy and accurate focusing in a variety of different lighting settings.

The 1DX III, on the other hand, makes use of Canon’s well-known 191-point autofocus system, which excels at following moving subjects and makes the camera particularly well-suited for photographing sports and wildlife.

Specifications Comparison

FeatureCanon EOS R5Canon EOS-1D X Mark III
Release Year20202020
Sensor TypeFull-frame CMOSFull-frame CMOS
Megapixels45.0 MP20.1 MP
Image ProcessorDIGIC XDIGIC X
ISO Range100-51,200 (expandable to 50-102,400)100-102,400 (expandable to 50-819,200)
Autofocus Points1,053191
Max Burst RateUp to 20 fps (electronic shutter)Up to 16 fps
Up to 12 fps (mechanical shutter)
Video Resolutions8K 30p, 4K 120p5.5K 60p, 4K 60p
Internal RAW RecordingYesYes
Dual Pixel CMOS AFYesNo
In-Body Image StabilizationYes, up to 8 stops of correctionNo
Viewfinder TypeElectronic (5.76 million dots)Optical (0.76x magnification)
LCD Screen3.2″ vari-angle touchscreen3.2″ fixed touchscreen
Native Lens MountCanon RFCanon EF
Weather SealedYesYes
Battery Life (CIPA)Approx. 320 shotsApprox. 1,210 shots
WeightApprox. 650g (body only)Approx. 1,440g (body only)

Burst Shooting

The ability to shoot in burst mode is absolutely necessary for capturing fast-moving action. When using the mechanical shutter, the Canon R5 is capable shooting an amazing 12 frames per second (fps), but when using the electronic shutter, it can achieve an incredible 20 fps.

The EOS 1DX III is a specialized sports camera, so it takes things to the next level by giving an astounding 16 frames per second when using the optical viewfinder and an unbelievable 20 frames per second while shooting in Live View mode.

Image Stabilization

In-body image stabilization (IBIS), which is included with the Canon R5, considerably lessens the likelihood of blurring caused by camera shake and enables better handheld photography. This capability is very helpful for video recording as well as photography in low-light conditions.

Unfortunately, the EOS 1DX III does not have an integrated image stabilization system (IBIS), however it makes up for this shortcoming with its remarkable lens-based stabilization system when compatible lenses are used.

Video Capabilities

Both cameras have a lot to offer anyone who are interested in video. The Canon R5 establishes new benchmarks with its capability to record films in 8K resolution, which offers post-processing options that have never been seen before and incredible levels of detail. Additionally, it is capable of recording in 4K at up to 120 frames per second, which offers remarkable slow-motion capabilities.

On the other hand, the 1DX III is certainly not a slouch, since it is capable of capturing 5.5K RAW video and comes equipped with a plethora of professional video capabilities that are designed to meet the requirements of videographers and filmmakers.

ISO Range and Low Light Performance

The Canon EOS R5 and the Canon EOS 1DX III each shine in their own unique ways in low-light circumstances. The greater resolution sensor of the R5 enables it to capture spectacular photographs in well-lit conditions; nevertheless, in really dark situations, it may exhibit somewhat more noise than usual.

In contrast, the lower resolution sensor of the 1DX III is able to manage noise better at higher ISO levels, making it the superior option for shooting in circumstances with tough lighting.

User Interface and Controls

Both cameras include user interfaces that are easy to use and a wide range of customization possibilities.

The EOS R5’s touch-sensitive back LCD makes navigating menus and changing settings a pleasure, whilst the EOS 1DX III offers a familiar button and joystick configuration that allows for rapid modifications without requiring the user to remove their focus from the viewfinder.

Battery Life

The Canon EOS-1D X Mark III has a bigger body than the Canon EOS-R5, which allows it to house a more powerful battery. As a result, it has a longer battery life than the Canon EOS-R5.

Because of this, the Canon 1D X Mark III is a trustworthy option for long shooting sessions, particularly in isolated areas where there is a possibility that charging may not be readily available.

Connectivity Options

Both cameras come equipped with a variety of outstanding communication options, such as built-in Wi-Fi and Bluetooth for facilitating the smooth transmission of files and shooting remotely. In addition, the R5 features a high-speed USB Type-C connector as well as an HDMI output for the purpose of viewing films on external monitors.

On the other hand, the 1DX III is equipped with an Ethernet port for the purpose of transferring data quickly via wires.

Price and Value for Money

When choose amongst these cameras, it is vital to take into consideration the available funds in your budget. The Canon R5, as the newest model, comes with a higher price tag since it offers capabilities that are on the cutting edge of technology.

On the other hand, the Canon EOS 1DX III, despite the fact that it is still a premium alternative, might be more cost-effective for working professionals who place a priority on speed and durability.

$6,499.00 5 used from $3,995.00 6 new from $6,499.00
Canon EOS-1D X Mark III Body


In conclusion, the Canon R5 and the Canon EOS 1DX III are both outstanding cameras that are designed to meet the needs of specific categories of photographers. Because of its mirrorless design, better resolution sensor, and superior video capabilities, the R5 is a viable option for a variety of genres of photography, including as videography, portraiture, and landscape photography. On the other hand, because to its sturdy construction, exceptional burst shooting capabilities, and dependable autofocus system, the EOS 1DX III is the camera that is recommended for photographing animals and sporting events.

Regardless of the camera you decide to go with, you can be confident that either the Canon R5 or the Canon EOS 1DX III are formidable pieces of equipment that will take both your still photography and your filmmaking to new levels.


Q: Does the Canon R5 support Dual Pixel RAW?
A: Yes, the Canon R5 supports Dual Pixel RAW, which allows for post-capture adjustment of focus and bokeh.
Q: Can I use my EF lenses with the Canon R5?
A: Yes, the Canon R5 is compatible with EF lenses via an EF-EOS R mount adapter.
Q: Does the Canon EOS 1DX III have a silent shooting mode?
A: Yes, the 1DX III offers a silent shooting mode that minimizes noise during capture.
Q: Can the Canon R5 record 8K video internally?
A: Yes, the Canon R5 can record 8K video internally to its memory card.
Q: Does the Canon EOS 1DX III have a built-in GPS?
A: Yes, the EOS 1DX III features built-in GPS for geotagging your images.