Canon EOS 40D vs EOS 7D Comparison
Canon EOS 40D
Canon EOS 7D
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Brand | Canon | Canon | |
Model | EOS 40D | EOS 7D | |
Released Refers to the year this camera was officially made available for sale. | 2007 | 2009 | |
Announcement Date Refers to the date the manufacturer publicly announced the upcoming release and general specs of this camera. | August 20, 2007 | September 01, 2009 | |
Camera Type |  DSLR | DSLR | |
Camera Size | |||
Camera Weight |
The Canon EOS 7D outperforms the Canon EOS 40D with a score of 45/100 compared to the 40D’s 42/100. Both cameras are DSLRs, released in 2007 and 2009 respectively, and share similar dimensions, with the 7D slightly larger at 148 x 111 x 74mm and heavier at 860g.
The EOS 7D’s higher score reveals its superiority in certain aspects, such as improved performance and features. However, the EOS 40D holds its ground with a more affordable launch price of $899, compared to the 7D’s $1974.
Taking these factors into account, the Canon EOS 7D is the better camera, albeit at a higher price. The Canon EOS 40D, while not as feature-rich, offers a more budget-friendly option for DSLR enthusiasts.
Canon EOS 40D vs EOS 7D Overview and Optics
The Canon EOS 40D narrowly outperforms the Canon EOS 7D in optics, scoring 45/100 compared to the 7D’s 43/100. Both cameras share several specifications, such as a CMOS sensor type, APS-C sensor size, Canon EF-S lens mount, and no image stabilization.
Despite its lower megapixel count of 10.1, the Canon EOS 40D achieves a higher DXOMARK score for the sensor at 64, compared to the 7D’s 66. This result indicates that the 40D’s sensor performs better in terms of image quality and dynamic range. Furthermore, the 40D is equipped with a Digic III processor, which is known for its efficient power consumption and image processing capabilities.
On the other hand, the Canon EOS 7D offers a higher megapixel count at 18, allowing for larger and more detailed prints. Additionally, the 7D boasts a faster shooting speed of 8 frames per second, making it a better choice for action photography. The Dual Digic 4 processor found in the 7D also provides impressive image processing speed and performance.
While both cameras have their strengths, the Canon EOS 40D’s superior sensor performance and efficient processor make it the winner in terms of optics. However, the Canon EOS 7D is still a strong contender for those who prioritize a higher megapixel count and faster shooting speed. Ultimately, the choice between these two cameras will depend on the specific needs and preferences of the photographer.
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Optics
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Canon EOS 40D
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Canon EOS 7D
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Megapixels The higher the number of megapixels, the more detail the cameras sensor can capture. | 10.1 MP | 18 MP | |
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Image Resolution Image resolution is measured in pixels and megapixels, width by height. The higher the number, the higher its resolution. | 3888 x 2592 px | 5184 x 3456 px | |
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. | 15 x 22 mm | 14.9 x 22.3 mm | |
Sensor Format Refers to the most commonly used sensor sizes. |  APS-C | APS-C | |
Frame Rate The number of sequential frames per second the camera can write to the memory card when shooting in burst or continuous mode. | 6.5 fps | 8 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-S | Canon EF-S | |
Image Processor The image processor in the camera converts the information collected on the sensor for digital storage on the memory card. | Digic III | Dual Digic 4 | |
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 | |
Minimum ISO (Native) Refers to the lowest native (or 'base') ISO setting. Lower ISO are less sensitive to light but make a cleaner image. | 100 | 100 | |
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. | 1,600 | 6,400 | |
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. | 100 | 100 | |
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. | 3200 | 12800 | |
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. | 9 | 0 | |
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 40D vs EOS 7D Video Performance
When comparing the video capabilities of the Canon EOS 40D and the Canon EOS 7D, it is important to note that the Canon EOS 40D does not have any video functionality. This means that this camera cannot record any videos, making it unsuitable for users who require video capabilities in their camera.
On the other hand, the Canon EOS 7D has video capabilities, with a video score of 43 out of 100. This camera can record videos in Full HD, with a maximum resolution of 1920 x 1080 pixels. The EOS 7D also offers a maximum video frame rate of 30 frames per second, which is suitable for most general video recording purposes. However, it is worth noting that the Canon EOS 7D does not have built-in time-lapse functionality, which may be a drawback for some users who require this feature.
Taking the video capabilities into consideration, it is clear that the Canon EOS 7D is the better choice for users who need video functionality in their camera. The Canon EOS 40D, lacking any video capabilities, is not suitable for those who require video recording features. Therefore, the Canon EOS 7D is the more versatile option of the two cameras when it comes to video capabilities.
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Video
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Canon EOS 40D
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Canon EOS 7D
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Video Indicates if this camera is capable of recording video. |  |  | |
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Max Video Resolution The best resolution this camera can capture video in. Modern cameras can capture up to 8K video. | N/A |  Full HD | |
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. | N/A | 1921 x 1080 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. | N/A | 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. | N/A | MOV |
Canon EOS 40D vs EOS 7D Features and Benefits
The Canon EOS 7D wins the feature comparison with a score of 54/100, while the Canon EOS 40D scores 36/100. Both cameras share some common specifications, such as a 3-inch screen size, absence of a touchscreen, flip screen, GPS, WiFi, and Bluetooth. However, there are differences that make the EOS 7D a better choice.
The EOS 7D screen resolution is 920,000 dots, which is four times higher than the 230,000 dots resolution of the EOS 40D. This higher resolution translates to a clearer and sharper display, allowing for better image review and composition. The EOS 7D also has a higher feature score, which means it offers more advanced functions and settings for users to optimize their photography experience.
On the other hand, the EOS 40D does not excel in any particular aspect compared to the EOS 7D. Its lower feature score and screen resolution make it less appealing for those seeking top-of-the-line camera specifications. However, it might still be a suitable choice for beginners or those on a budget, as it is likely to be more affordable due to its older release date and lesser features.
Based on the comparison, the Canon EOS 7D is the superior camera in terms of features and screen resolution. It caters to more advanced photographers who require higher quality display and additional functions for their work. The Canon EOS 40D, while not excelling in any area, may still serve as an entry-level camera for those seeking a more budget-friendly option.
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Features
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Canon EOS 40D
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Canon EOS 7D
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Built-in Flash A built-in flash will often be positioned right above the lens. This will automatically pop up when you activate it. |  | | |
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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 | 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" | 3" | |
Screen Resolution Screen dots indicate the resolution of the LCD screen by including each sub pixel. | 230,000 dots | 920,000 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. |  | | |
Wi-Fi |  | | |
Bluetooth Bluetooth capabilities allow you wireless control of your camera with other external devices. |  | | |
Canon EOS 40D vs EOS 7D Storage and Battery
The Canon EOS 40D and the Canon EOS 7D both score 35/100 in storage and battery, indicating no clear winner in this category. Both cameras share some common specifications: they each have one memory card slot and do not support USB charging. Their battery life is also identical, providing 800 shots per charge.
The Canon EOS 7D has an advantage in terms of memory card compatibility, accepting Compact Flash (Type I or II), UDMA, and Microdrive cards. This versatility allows users to choose from a wider range of storage options. On the other hand, the Canon EOS 40D only accepts Compact Flash (Type I or II) cards.
In terms of battery type, the EOS 7D uses the LP-E6, while the EOS 40D utilizes the BP-511. There is no clear advantage for either camera in this aspect, as both batteries offer the same number of shots per charge.
Given these specifications, neither camera outperforms the other in storage and battery capabilities. While the EOS 7D offers slightly more memory card compatibility, this difference may not be significant enough to impact a buyer’s decision. Both cameras provide similar performance in terms of battery life and charging options.
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Storage and Battery
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Canon EOS 40D
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Canon EOS 7D
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Memory Card | Compact Flash (Type I or II) | Compact Flash (Type I or II), UDMA, Microdrive | |
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Dual Memory Card Slots |  | | |
Battery Type | BP-511 | LP-E6 | |
Battery Life Approximately how long this cameras battery will last measured by how many photographs you will be able to take. | 800 shots | 800 shots | |
USB Charging |  | |
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DXOMARK Scores
Sensor scores tested by DXOMARK |
Canon EOS 40D
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Canon EOS 7D
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Overall Score DXOMARK overall sensor score. | |||
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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.' | 22.1 bits | 22 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.' | 11.3 EVs | 11.7 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' | 703 | 854 |
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Scores
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Canon EOS 40D
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Canon EOS 7D
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Canon EOS 40D vs EOS 7D – Our Verdict
Are you still undecided about which camera is right for you? Have a look at these popular comparisons that feature the Canon EOS 40D or the Canon EOS 7D:
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User Scores
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Canon EOS 40D
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Canon EOS 7D
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B&H photo video | N/A |
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