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Canon EOS Rebel T100 / 4000D vs EOS Rebel T7i / 800D Comparison

Storage & Battery

Canon EOS Rebel T100 / 4000D

Canon EOS Rebel T100 / 4000D camera image

Canon EOS Rebel T7i / 800D

Canon EOS Rebel T7i
Canon EOS Rebel T100 / 4000D
Canon EOS Rebel T7i / 800D
EOS Rebel T100 / 4000D
EOS Rebel T7i / 800D
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.
February 26, 2018
February 14, 2017
Camera Type
Camera Size
Camera Weight

The Canon EOS Rebel T7i/800D outperforms the Canon EOS Rebel T100/4000D with a score of 64/100, a 23-point difference. Both cameras are DSLRs and were released in 2017 and 2018, respectively. They share similar dimensions, with the T7i/800D being slightly larger and heavier.

The T7i/800D is superior in terms of performance and features, justifying its higher launch price of $779 compared to the T100/4000D’s $400. On the other hand, the T100/4000D offers a more affordable option for those on a budget, without compromising too much on quality.

Considering the specifications and scores, the T7i/800D is a better camera for those seeking advanced features and performance, while the T100/4000D is a suitable choice for budget-conscious buyers.

Canon EOS Rebel T100 / 4000D vs EOS Rebel T7i / 800D Overview and Optics

The Canon EOS Rebel T7i / 800D emerges as the winner in the optics comparison with a score of 64/100, while the Canon EOS Rebel T100 / 4000D scores 39/100. Both cameras share some common specifications, including the CMOS sensor type, APS-C sensor size, Canon EF-S lens mount, and lack of image stabilization.

The T7i / 800D outperforms the T100 / 4000D in several aspects. Firstly, it has a higher megapixel count at 24 compared to the T100’s 18, resulting in better image resolution. Secondly, the T7i has a faster shooting speed of 6, which is double the T100’s 3, allowing for better capturing of fast-moving subjects. Additionally, the T7i boasts a more advanced Digic 7 processor, providing faster image processing and improved noise reduction. Lastly, the T7i has a higher DXOMARK score for the sensor at 79, compared to the T100’s 63, which indicates better overall image quality.

On the other hand, the T100 / 4000D does not have any specific advantages over the T7i / 800D in terms of optics. Both cameras share the same shortcomings, such as the lack of image stabilization.

Considering the above points, the Canon EOS Rebel T7i / 800D clearly offers superior optics performance compared to the Canon EOS Rebel T100 / 4000D. With its higher megapixel count, faster shooting speed, advanced processor, and better DXOMARK score, the T7i is the more capable camera in terms of optics. The T100, while sharing some common specifications, falls short in comparison and does not offer any specific advantages over the T7i.

The higher the number of megapixels, the more detail the cameras sensor can capture.
18 MP
24 MP
Image Resolution
Image resolution is measured in pixels and megapixels, width by height. The higher the number, the higher its resolution.
5184 x 3456 px
6000 x 4000 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.
14.9 x 22.3 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.
3 fps
6 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/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 4+
Digic 7
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/ 4000 s
1/ 4000 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 (pentamirror)
Optical (pentamirror)

Canon EOS Rebel T100 / 4000D vs EOS Rebel T7i / 800D Video Performance

The Canon EOS Rebel T7i / 800D outperforms the Canon EOS Rebel T100 / 4000D in video capabilities, with a higher video score of 70 compared to 43. Both cameras share some common specifications, such as Full HD maximum video resolution and 1920 x 1080 maximum video dimensions.

The T7i / 800D excels in its maximum video frame rate, offering 60fps compared to the T100 / 4000D’s 30fps. This higher frame rate allows for smoother video playback and better slow-motion effects. Additionally, the T7i / 800D has built-in time-lapse functionality, which the T100 / 4000D lacks. This feature enables users to create stunning time-lapse videos without the need for external tools or software.

While the T100 / 4000D falls behind in these aspects, it still delivers Full HD video quality, which may be sufficient for casual users or beginners who do not require advanced video features. However, its lower video score reflects its limited capabilities compared to the T7i / 800D.

Considering these points, the Canon EOS Rebel T7i / 800D is the superior camera for video capabilities due to its higher frame rate and built-in time-lapse functionality. The Canon EOS Rebel T100 / 4000D, while offering Full HD video quality, is more suited for those who do not prioritize advanced video features.

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.
Full HD
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.
1920 x 1080 px
1920 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.
30 p
60 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 Rebel T100 / 4000D vs EOS Rebel T7i / 800D Features and Benefits

The Canon EOS Rebel T7i / 800D emerges as the winner in this comparison with a feature score of 70/100, while the Canon EOS Rebel T100 / 4000D trails behind with a score of 47/100. Both cameras share some common specifications, including Wi-Fi and Bluetooth connectivity.

The T7i / 800D outshines the T100 / 4000D in several aspects. The winning camera boasts a larger screen size of 3 inches compared to the T100 / 4000D’s 2.7 inches. Furthermore, the T7i / 800D has a significantly higher screen resolution of 1,040,000 dots, whereas the T100 / 4000D has a resolution of only 230,000 dots. The T7i / 800D also features a touchscreen, a flip screen, and GPS, all of which are absent in the T100 / 4000D.

On the other hand, the T100 / 4000D does not hold any particular advantage over the T7i / 800D. The only aspect where both cameras are on par is their connectivity options, as both have Wi-Fi and Bluetooth. Nevertheless, the T100 / 4000D’s lower score reflects its inferiority in terms of features.

To sum up, the Canon EOS Rebel T7i / 800D is a superior camera due to its larger screen, higher screen resolution, touchscreen, flip screen, and GPS functionalities. Meanwhile, the Canon EOS Rebel T100 / 4000D lags in these areas, and its only similarity to the T7i / 800D is the shared Wi-Fi and Bluetooth connectivity. Therefore, the T7i / 800D is a better choice for photographers seeking advanced features and improved user experience.

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
1,040,000 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 Rebel T100 / 4000D vs EOS Rebel T7i / 800D Storage and Battery

The Canon EOS Rebel T7i / 800D wins the storage and battery comparison with a score of 29/100, while the Canon EOS Rebel T100 / 4000D scores 27/100. Both cameras have one memory card slot and accept SD, SDHC, and SDXC cards.

The T7i/800D outperforms the T100/4000D in battery life, providing 600 shots compared to the T100/4000D’s 500 shots. The T7i/800D also uses the LP-E17 battery type, whereas the T100/4000D uses the LP-E10. Neither camera offers USB charging.

Although the T100/4000D has a lower score, it shares the same memory card compatibility as the T7i/800D, with the exception of UHS-I compatibility. Both cameras lack USB charging capabilities.

Comparing the two cameras, the T7i/800D excels in battery life, while the T100/4000D matches the T7i/800D in memory card compatibility, except for UHS-I compatibility.

Storage and Battery
Storage and Battery
Memory Card
SD / SDHC / SDXC (UHS-I compatible)
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.
500 shots
600 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.'
21.9 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.'
11.4 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 Rebel T100 / 4000D vs EOS Rebel T7i / 800D – Our Verdict

Canon EOS Rebel T100 / 4000D vs EOS Rebel T7i / 800D 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 Rebel T100 / 4000D or the Canon EOS Rebel T7i / 800D:

User Scores
B&H photo video
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