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| General | ||
| Brand | Canon | Canon |
| Model | EOS 1D X Mark III | EOS 1Ds Mark III |
Released ⓘRefers to the year this camera was officially made available for sale. |
2020 | 2007 |
Announcement date ⓘRefers to the date the manufacturer publicly announced the upcoming release and general specs of this camera. |
07/01/2020 | 20/08/2007 |
| Camera type | DSLR | DSLR |
| Camera size | 158 x 168 x 83 mm | 150 x 160 x 80 mm |
| Camera weight | 738 g | 1385 g |
| Optics | ||
Megapixels ⓘThe higher the number of megapixels, the more detail the cameras sensor can capture. |
20.1 MP050 | 21.1 MP050 |
Image resolution ⓘImage resolution is measured in pixels and megapixels, width by height. The higher the number, the higher its resolution. |
5472 x 3648 | 5616 x 3744 |
Sensor type ⓘThe camera sensor captures light and records the image. Sensors vary in physical size, the number of pixels, and quality. |
CMOS | CMOS |
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 | 24 x 36 |
Sensor format ⓘRefers to the most commonly used sensor sizes. |
Full Frame | Full Frame |
Continuous shooting ⓘThe number of sequential frames per second the camera can write to the memory card when shooting in burst or continuous mode. |
20 fps045 | 5 fps045 |
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 III |
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. |
3:2 | 3:2 |
Min ISO ⓘRefers to the lowest native (or 'base') ISO setting. Lower ISO are less sensitive to light but make a cleaner image. |
10030200 | 10030200 |
Max ISO ⓘ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. |
1024003003280000 | 16003003280000 |
Min 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. |
5030200 | 5030200 |
Max 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. |
8192003003280000 | 32003003280000 |
Minimum shutter speed ⓘThe minimum shutter speed will tell you the longest exposure your camera can take without using an external accessory. |
3044080 | 3044080 |
Max 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. |
800080032000 | 800080032000 |
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. |
1910300 | 450300 |
In-body stabilisation ⓘ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) |
| Viewfinder dots | N/A | N/A |
| Video | ||
Video ⓘ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. |
4K | N/A |
Max video format ⓘ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 | N/A |
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 fps | N/A |
Timelapse 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. |
MPEG-4, MOV | N/A |
| Features | ||
Builtin 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 ⓘ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 | TFT LCD | LCD |
Touch screen ⓘTouchscreen allows you to change camera settings and access menus with a swipe of your finger, instead of using buttons. |
✓ | ✗ |
| Screen size | 3.2" | 3" |
Screen dots ⓘScreen dots indicate the resolution of the LCD screen by including each sub pixel. |
21000001150001500000 | 2300001150001500000 |
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. |
✓ | ✓ |
Wi-Fi ⓘBuilt-in Wi-Fi allows you to connect your camera and share images wirelessly. |
✓ | ✓ |
Bluetooth ⓘBluetooth capabilities allow you wireless control of your camera with other external devices. |
✗ | ✗ |
| Storage & battery | ||
| Memory card | CFexpress Type B | SD, Compact Flash (Type I or II) |
| Dual memory card slots | ✓ | ✓ |
| Battery type | LP-E19 | LP-E4 |
Battery life ⓘApproximately how long this cameras battery will last measured by how many photographs you will be able to take. |
2850 shots1505000 | 1800 shots1505000 |
| USB charging | ✗ | ✗ |
The Canon EOS 1D X Mark III outperforms the Canon EOS 1Ds Mark III with a score of 75/100 compared to 58/100. Both cameras are DSLRs and share similarities in size and design. The 1D X Mark III, released in 2020, is lighter at 738g and smaller with dimensions of 158 x 168 x 83mm. Additionally, it has a lower launch price of $6500 compared to the 1Ds Mark III’s $7100.
On the other hand, the 1Ds Mark III, released in 2007, is heavier at 1385g and larger with dimensions of 150 x 160 x 80mm. Despite its higher launch price, it falls short in terms of performance and features compared to the 1D X Mark III.
Considering the differences in scores, weight, size, and launch price, the Canon EOS 1D X Mark III proves to be a more favorable option for photographers.
The Canon EOS 1D X Mark III outperforms the Canon EOS 1Ds Mark III in optics, with a score of 74/100 compared to the latter’s 60/100. Both cameras share some common specifications, such as full frame sensor size, CMOS sensor type, Canon EF lens mount, and the absence of image stabilization.
The 1D X Mark III excels in several aspects, including shooting speed and sensor performance. With a shooting speed of 20 frames per second, it is significantly faster than the 1Ds Mark III, which only offers 5 frames per second. This faster shooting speed is beneficial for capturing fast-moving subjects or action scenes. The 1D X Mark III also boasts a superior sensor performance, with a DXOMARK score of 91 compared to the 1Ds Mark III’s score of 80. This higher score translates to better image quality, particularly in challenging lighting conditions. Additionally, the 1D X Mark III is equipped with the more advanced Digic X processor, which contributes to its improved performance.
On the other hand, the 1Ds Mark III has a slight advantage in terms of megapixels, featuring 21.1 compared to the 1D X Mark III’s 20.1. This difference, however, is minimal and may not have a significant impact on image quality for most users.
Taking these factors into consideration, the Canon EOS 1D X Mark III is the superior camera in terms of optics, offering better sensor performance and a faster shooting speed. While the 1Ds Mark III has a marginally higher megapixel count, this advantage is not enough to outweigh the benefits provided by the 1D X Mark III’s other features. Therefore, the Canon EOS 1D X Mark III is the recommended choice for those prioritizing optical performance.
When comparing the video capabilities of the Canon EOS 1D X Mark III and the Canon EOS 1Ds Mark III, it is essential to note that the Canon EOS 1Ds Mark III does not have video functionality. This lack of video capabilities makes it impossible to compare the two cameras in this aspect. Therefore, the focus will be on summarizing the video features of the Canon EOS 1D X Mark III.
The Canon EOS 1D X Mark III has a video score of 91 out of 100. This high score reflects the camera’s excellent video performance. The camera records videos with a maximum resolution of 4K, providing crisp and clear visuals. The maximum video dimensions are 4096 x 2160, ensuring that the videos captured have a high level of detail. Additionally, the camera supports a maximum video frame rate of 120fps, allowing for smooth and fluid motion in videos.
One noteworthy feature of the Canon EOS 1D X Mark III is its built-in time-lapse functionality. This feature enables users to create stunning time-lapse videos without the need for external software or equipment.
Taking into consideration the video capabilities of the Canon EOS 1D X Mark III, it is evident that this camera is well-suited for users who require high-quality video recording. The Canon EOS 1Ds Mark III, on the other hand, does not offer video functionality and is best suited for users who solely focus on photography.
The Canon EOS 1D X Mark III outperforms the Canon EOS 1Ds Mark III with a feature score of 74/100, compared to the latter’s 49/100. Both cameras share some specifications, such as the absence of a flip screen and Bluetooth connectivity. They also both have Wi-Fi capabilities, allowing for easy image transfer.
The 1D X Mark III excels with its 3.2-inch touchscreen, providing a larger and more interactive display than the 1Ds Mark III’s 3-inch non-touchscreen. Additionally, the 1D X Mark III boasts a significantly higher screen resolution of 2,100,000 dots, compared to the 1Ds Mark III’s 230,000 dots. This results in a clearer and more detailed image preview. The 1D X Mark III also has GPS functionality, enabling geotagging of photos, a feature absent in the 1Ds Mark III.
On the other hand, the 1Ds Mark III does not have any notable advantages over the 1D X Mark III in terms of features. Its lower score reflects its fewer advanced capabilities.
Given the 1D X Mark III’s larger touchscreen, higher screen resolution, and GPS functionality, it is the superior camera in terms of features. The 1Ds Mark III, with its lower score and fewer advanced features, falls short in comparison. Therefore, the Canon EOS 1D X Mark III is the better option for photographers seeking a camera with more advanced and user-friendly features.
The Canon EOS 1D X Mark III wins in storage and battery with a score of 87, while the Canon EOS 1Ds Mark III scores 84. Both cameras have two memory card slots and lack USB charging. The 1D X Mark III accepts CFexpress Type B cards, whereas the 1Ds Mark III takes SD and Compact Flash (Type I or II) cards.
The 1D X Mark III outperforms the 1Ds Mark III in battery life, offering 2850 shots per charge with its LP-E19 battery, compared to 1800 shots with the 1Ds Mark III’s LP-E4 battery. This makes the 1D X Mark III more suitable for extended shooting sessions.
The 1Ds Mark III, however, supports more common memory card types, which may be advantageous for photographers with existing card collections or who require more accessible storage options.
Considering these factors, the Canon EOS 1D X Mark III excels in battery life, while the Canon EOS 1Ds Mark III provides more versatile storage options.

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 1Ds Mark III: