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Canon EOS 40D vs EOS 50D Comparison

Storage & Battery

Canon EOS 40D

Canon EOS 40D camera image

Canon EOS 50D

Canon EOS 50D camera image
Canon EOS 40D
Canon EOS 50D
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.
August 20, 2007
August 26, 2008
Camera Type
Camera Size
Camera Weight

The Canon EOS 50D outperforms the Canon EOS 40D with a score of 48 to 42. Both cameras are DSLR models, announced in 2008 and 2007, respectively. They share the same dimensions (146 x 108 x 74mm) and weight (822g / 1.81lbs). The 50D justifies its higher launch price ($1300) by offering improved features over the 40D ($899).

The 50D excels in areas where the 40D falls short, making it a more advanced camera. However, the 40D has its advantages as well, like its lower price point, which makes it more accessible for those on a budget.

Taking everything into account, the Canon EOS 50D is the better option due to its superior specifications and performance. On the other hand, the Canon EOS 40D can still be a viable choice for those looking for a more affordable camera without compromising too much on quality.

Canon EOS 40D vs EOS 50D Overview and Optics

The Canon EOS 50D wins in the optics comparison with a score of 47/100, slightly outperforming the Canon EOS 40D, which has a score of 45/100. Both cameras share several specifications, such as the CMOS sensor type, APS-C sensor size, Canon EF-S lens mount, and lack of image stabilisation.

The Canon EOS 50D has a higher megapixel count of 15.1, compared to the 40D’s 10.1 megapixels. This difference allows the 50D to capture more detailed images, which is especially beneficial for large prints and cropping. Additionally, the 50D features a more advanced Digic 4 processor, which improves image quality, noise reduction, and overall performance.

On the other hand, the Canon EOS 40D has a slightly faster shooting speed of 6.5 frames per second, compared to the 50D’s 6.3 frames per second. This advantage may be beneficial for capturing fast-moving subjects, such as sports or wildlife photography. However, the 40D’s DXOMARK sensor score is marginally higher at 64, compared to the 50D’s score of 63. This difference is minimal and unlikely to have a significant impact on image quality.

In terms of optics, the Canon EOS 50D is the better camera due to its higher megapixel count and more advanced processor. These features contribute to improved image quality and performance. While the Canon EOS 40D has a marginally faster shooting speed, this advantage is not enough to outweigh the benefits offered by the 50D.

The higher the number of megapixels, the more detail the cameras sensor can capture.
10.1 MP
15.1 MP
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
4752 x 3168 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.
15 x 22 mm
14.9 x 22.3 mm
Sensor Format
Refers to the most commonly used sensor sizes.
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
6.3 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
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.
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 40D vs EOS 50D Video Performance

When examining the video capabilities of the Canon EOS 40D and Canon EOS 50D, it is important to note that neither camera possesses video functionality. Therefore, there is no difference in video performance between these two models, as both lack this feature.

Indicates if this camera is capable of recording video.
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.

Canon EOS 40D vs EOS 50D Features and Benefits

The Canon EOS 50D emerges as the winner in this comparison, with a feature score of 54/100, while the Canon EOS 40D scores 36/100. Although both cameras share some common features, there are notable differences that set them apart.

Both cameras have a 3-inch screen size, and neither has a touchscreen, flip screen, GPS, WIFI, or Bluetooth. However, the EOS 50D surpasses the EOS 40D in screen resolution, boasting 920,000 dots compared to the 40D’s 230,000 dots. This higher resolution offers clearer and sharper image previews, making it easier for photographers to review their shots and make adjustments as needed.

The EOS 40D does not have any specific advantages over the EOS 50D in terms of features. However, it is essential to note that a camera’s overall performance and image quality are not solely dependent on its feature score. Other factors, such as sensor quality, autofocus system, and build quality, should also be considered when choosing a camera.

Based on the features comparison, the Canon EOS 50D is the superior choice, particularly due to its higher screen resolution. This advantage allows photographers to better assess their shots and make more informed decisions while shooting. Though the EOS 40D does not offer any specific benefits over the 50D in this comparison, it may still be a suitable choice for photographers with specific needs or preferences. Ultimately, the decision should be based on the individual’s requirements and priorities, taking into account the cameras’ various aspects beyond their feature scores.

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.
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.
Bluetooth capabilities allow you wireless control of your camera with other external devices.

Canon EOS 40D vs EOS 50D Storage and Battery

The Canon EOS 40D and the Canon EOS 50D both receive a storage and battery score of 35/100. Both cameras have a single memory card slot and support Compact Flash (Type I or II) cards. Neither camera offers USB charging. The battery life for both cameras is 800 shots, and they use similar battery types: the 40D uses BP-511, while the 50D uses BP-511A.

The EOS 50D has an advantage in storage as it also supports UDMA memory cards, which can provide faster read and write speeds compared to non-UDMA cards. This can be beneficial for photographers who need to quickly transfer large amounts of data.

The EOS 40D does not have any notable advantages in the storage and battery category, as it shares most specifications with the 50D.

Considering the storage and battery aspects, the Canon EOS 50D is slightly better than the Canon EOS 40D due to its UDMA memory card support. However, both cameras share similar battery life and lack USB charging capabilities.

Storage and Battery
Storage and Battery
Memory Card
Compact Flash (Type I or II)
Compact Flash (Type I or II), UDMA
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.
800 shots
800 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.'
22.1 bits
21.8 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.'
11.3 EVs
11.4 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 40D vs EOS 50D – Our Verdict

Canon EOS 40D vs EOS 50D 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 40D or the Canon EOS 50D:

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