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Canon EOS 1D X Mark III vs EOS 5D Mark IV Comparison

Storage & Battery

Canon EOS 1D X Mark III

Canon EOS 1D X Mark III

Canon EOS 5D Mark IV

Canon EOS 5d mark iv
Canon EOS 1D X Mark III
Canon EOS 5D Mark IV
EOS 5D Mark IV
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.
January 07, 2020
August 25, 2016
Camera Type
Camera Size
Camera Weight

The Canon EOS 1D X Mark III and Canon EOS 5D Mark IV are both DSLR cameras that have received a score of 75/100. Both cameras were released by Canon, with the 1D X Mark III announced in 2020 and the 5D Mark IV in 2016. They share similarities in their DSLR camera type and scores, but there are differences that set them apart.

The 1D X Mark III has an advantage in size and weight, measuring 158 x 168 x 83mm and weighing 738g, making it lighter and more compact than the 5D Mark IV, which measures 151 x 116 x 76mm and weighs 890g. This makes the 1D X Mark III more portable and easier to handle.

On the other hand, the 5D Mark IV has a lower launch price of $3500 compared to the 1D X Mark III’s $6500. This makes the 5D Mark IV more affordable, which could be a deciding factor for those on a budget.

Considering these differences, the Canon EOS 1D X Mark III may be a better option for those prioritizing portability, while the Canon EOS 5D Mark IV could be a more budget-friendly choice.

Canon EOS 1D X Mark III vs EOS 5D Mark IV Overview and Optics

The Canon EOS 5D Mark IV takes the lead in optics with a score of 76/100, slightly ahead of the Canon EOS 1D X Mark III at 74/100. Both cameras share several specifications, including a CMOS sensor, full-frame sensor size, Canon EF lens mount, and the absence of image stabilization. They also have the same DXOMARK score for the sensor at 91.

The 5D Mark IV excels with its higher megapixel count of 30.4 compared to the 1D X Mark III’s 20.1. This advantage allows the 5D Mark IV to capture more detailed and high-resolution images. Additionally, the 5D Mark IV features a Digic 6+ processor, which ensures fast and efficient image processing.

On the other hand, the 1D X Mark III outperforms the 5D Mark IV in shooting speed, delivering 20 frames per second, compared to the 5D Mark IV’s 7 frames per second. This higher shooting speed makes the 1D X Mark III more suitable for action and sports photography. Furthermore, the 1D X Mark III boasts a Digic X processor, providing advanced processing capabilities and improved performance.

To conclude, the Canon EOS 5D Mark IV offers superior optics due to its higher megapixel count and efficient image processing, making it suitable for photographers seeking high-resolution images. However, the Canon EOS 1D X Mark III provides a faster shooting speed, catering to those who require rapid action capture. Both cameras have their strengths, and the choice ultimately depends on the specific needs of the photographer.

The higher the number of megapixels, the more detail the cameras sensor can capture.
20.1 MP
30.4 MP
Image Resolution
Image resolution is measured in pixels and megapixels, width by height. The higher the number, the higher its resolution.
5472 x 3648 px
6720 x 4480 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
24 x 36 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.
20 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 EF
Canon EF
Image Processor
The image processor in the camera converts the information collected on the sensor for digital storage on the memory card.
Digic X
Digic 6+
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)
Optical (pentaprism)

Canon EOS 1D X Mark III vs EOS 5D Mark IV Video Performance

The Canon EOS 1D X Mark III and the Canon EOS 5D Mark IV both have a video score of 91/100, making them equal in terms of video capabilities. They share several common video specifications, including a maximum video resolution of 4K, maximum video dimensions of 4096 x 2160, a maximum video frame rate of 120fps, and built-in time-lapse functionality.

Despite having the same video score, the Canon EOS 1D X Mark III has certain advantages over the Canon EOS 5D Mark IV. The 1D X Mark III is better suited for professional videographers due to its more rugged build, faster autofocus, and better low-light performance. This makes it ideal for capturing fast-paced action or shooting in challenging environments.

On the other hand, the Canon EOS 5D Mark IV has its own merits. It is a more affordable option, making it attractive for amateur videographers or those on a budget. Additionally, it is lighter and more compact than the 1D X Mark III, which can be a significant advantage for those who prioritize portability.

In comparing the Canon EOS 1D X Mark III and the Canon EOS 5D Mark IV, it is clear that both cameras are excellent choices for video capture. The 1D X Mark III stands out for its professional features and rugged build, while the 5D Mark IV offers a more budget-friendly and portable option. Ultimately, the choice between these two cameras will depend on the specific needs and preferences of the videographer.

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.
4096 x 2160 px
4096 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
120 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 1D X Mark III vs EOS 5D Mark IV Features and Benefits

The Canon EOS 1D X Mark III and the Canon EOS 5D Mark IV both have a feature score of 74/100, making them equal in this aspect. They share several common specifications, such as a 3.2-inch screen, touchscreen functionality, GPS, WiFi, and the absence of Bluetooth.

The 1D X Mark III surpasses the 5D Mark IV in screen resolution, offering 2,100,000 dots compared to the 5D Mark IV’s 1,620,000 dots. This higher resolution provides the 1D X Mark III with a clearer and more detailed display, which can be advantageous for photographers when reviewing images and navigating menus.

On the other hand, the 5D Mark IV does not have any specific features that make it superior to the 1D X Mark III. Both cameras lack a flip screen, which could have been useful for shooting from different angles and for vlogging purposes. Neither camera has Bluetooth, which could have offered additional connectivity options for transferring files and remote control.

Considering the specifications of both cameras, the Canon EOS 1D X Mark III holds a slight advantage over the Canon EOS 5D Mark IV due to its higher screen resolution. However, it is essential to remember that both cameras have the same feature score and share many common specifications. The choice between the two cameras ultimately depends on the individual preferences and requirements of the photographer.

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.
2,100,000 dots
1,620,000 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 1D X Mark III vs EOS 5D Mark IV Storage and Battery

The Canon EOS 1D X Mark III outperforms the Canon EOS 5D Mark IV in storage and battery with a score of 87/100 compared to 71/100. Both cameras share similarities, such as having two memory card slots and lacking USB charging capabilities.

The 1D X Mark III excels with its CFexpress Type B memory cards, providing faster read and write speeds. Its battery life is also remarkable at 2850 shots per charge, using the LP-E19 battery type. These features contribute to the camera’s superior performance in storage and battery.

On the other hand, the 5D Mark IV accepts SD/SDHC/SDXC (UHS-I compatible) and Compact Flash memory cards, offering more compatibility options. However, its battery life is significantly lower at 900 shots per charge, using the LP-E6N battery type.

To conclude, the Canon EOS 1D X Mark III has a clear advantage in storage and battery performance, making it a better choice for those prioritizing long battery life and fast memory card performance. The Canon EOS 5D Mark IV, while not as impressive in these aspects, offers more memory card compatibility for users who may require it.

Storage and Battery
Storage and Battery
Memory Card
CFexpress Type B
SD / SDHC / SDXC (UHS-I compatible), Compact Flash
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.
2,850 shots
900 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.'
24.1 bits
24.8 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.'
13.5 EVs
13.6 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 1D X Mark III vs EOS 5D Mark IV – Our Verdict

Canon EOS 1D X Mark III vs EOS 5D Mark IV 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 1D X Mark III or the Canon EOS 5D Mark IV:

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