Canon EOS R100 vs Canon EOS 5D Mark II

In this comparison, we will evaluate the Canon EOS R100 and the Canon EOS 5D Mark II, highlighting the advantages of each over the other, discussing their pros and cons, shared strengths and weaknesses, and providing a rating based on their available features and specifications to assist you in choosing the one that best suits your needs.

Canon EOS R100 was introduced in May 2023 and Canon EOS 5D Mark II was introduced in February 2009. Let us first list highlights of the models.

Now that we've looked at the most essential specifications and gained a basic understanding of these cameras, we can delve into more details and see the differences between them.

This section shows those features and specifications which are the reason to choose Canon EOS R100 over Canon EOS 5D Mark II.

This section shows those features and specifications which are the reason to choose Canon EOS 5D Mark II over Canon EOS R100.

We already listed pros and cons of each model. However, you may also find useful to look at their common strengths and weaknesses shown side-by-side.

Screen

Canon EOS R100 and Canon EOS 5D Mark II have 3.0" Fixed screens with 1,040k dot and 920k dot resolutions respectively.

Viewfinder

Canon EOS R100 has a built-in 0.39" Electronic (OLED) viewfinder with 2,360k dot resolution and Canon EOS 5D Mark II has a built-in Optical (pentaprism) viewfinder. Canon EOS R100 has 100% coverage with 0.95x (0.59x 35mm equivalent) magnification and Canon EOS 5D Mark II has 98% coverage with 0.71x magnification.

Canon EOS R100 features a 24.1 megapixel APS-C CMOS sensor with dimensions of 22.3 x 14.9 mm and a total area of 332.3 mm². Its native ISO range is 100 - 12,800 and expands to 100 - 25,600 in boosted mode. Canon EOS 5D Mark II features a 21.1 megapixel Full Frame CMOS sensor with dimensions of 36 x 24 mm and a total area of 576 mm². Its native ISO range is 100 - 6,400 and expands to 50 - 25,600 in boosted mode.

Here is a sensor size comparison chart where you can see how different sensors compare with each other:

Sensor size chart

	Sensor	Dimensions	Area	Aspect Ratio	Crop Factor
	Medium Format	44 x 33 mm	1452 mm2	4:3	0.79x
	Full Frame	36 x 24 mm	864 mm2	3:2	1x
	APS-H	27 x 18 mm	486 mm2	3:2	1.3x
	APS-C	23.6 x 15.6 mm	368.2 mm2	3:2	1.5x
	APS-C (Canon)	22.3 x 14.9 mm	332.3 mm2	3:2	1.6x
	Micro Four Thirds	17.4 x 13 mm	226.2 mm2	4:3	2x
	1-inch	13.2 x 8.8 mm	116.2 mm2	3:2	2.7x
	1/1.7-inch	7.44 x 5.58 mm	41.5 mm2	4:3	4.7x
	1/2.3-inch	6.17 x 4.55 mm	28.1 mm2	4:3	5.6x

Canon EOS R100 is equipped with DIGIC 8 processor and can take pictures up to 6000 x 4000 resolution. Canon EOS 5D Mark II is equipped with DIGIC 4 processor and can take pictures up to 5616 x 3744 resolution. It can also take pictures with lower resolution like 4080 x 2720, 2784 x 1856, 5616 x 3744, 3861 x 2574, 2784 x 1856 with 3:2 aspect ratios.

Lens Mount

Canon EOS R100 has Canon RF lens mount and Canon EOS 5D Mark II has Canon EF lens mount. Due to APS-C sensor in Canon EOS R100 its crop factor is equal to 1.6x, this means that a 35mm equivalent focal length of the mounted lens will be equal to its actual focal length times 1.6. Due to Full Frame sensor in Canon EOS 5D Mark II its crop factor is equal to 1x, this means that a 35mm equivalent focal length of the mounted lens will be equal to its actual focal length.

No Low-Pass Filter on Canon EOS R100

There is no optical low-pass filter (OLPF), also known as an anti-aliasing filter, in front of the sensor on Canon EOS R100. This results in a slightly sharper image but may also introduce moiré patterns and aliasing artifacts when photographing subjects with fine, repetitive patterns or details.

No Image Stabilization

The cameras do not have image stabilization. On Canon EOS R100 it means that you need lenses with optical image stabilization for vibration reduction. As for Canon EOS 5D Mark II nothing can be done. On Canon EOS 5D Mark II it means that you need lenses with optical image stabilization for vibration reduction. As for Canon EOS R100 nothing can be done.

Built-in Wi-Fi on Canon EOS R100

Canon EOS R100 has a built-in Wi-Fi (802.11b/g, 2.4 GHz) which allows to easily transfer photos and videos from the camera to other Wi-Fi-enabled devices, such as smartphones, tablets, printers, or computers. This eliminates the need for cables and allows for quick and convenient media sharing and social media integration. It gives you the ability to control your camera remotely using a smartphone or tablet. This is particularly useful for taking self-portraits, group shots, or capturing images in challenging conditions without having to touch the camera. Firmware updates can also be downloaded and installed wirelessly.
  Check out the cameras in our database that have built-in WiFi.

Bluetooth on Canon EOS R100

Canon EOS R100 has a built-in Bluetooth which lets you to connect the camera to a smartphone or a dedicated remote control device. This allows you to remotely trigger the camera, adjust settings and controls remotely through a paired mobile app. While Wi-Fi is generally faster for transferring larger files, Bluetooth can be used for small, selective transfers, it can provide real-time information about your camera's battery status, memory card capacity, and other key settings directly on your paired smartphone or smartwatch.
  Check out the cameras in our database that have built-in Bluetooth.

USB Inputs and HDMI Outputs

Both models have USB 2.0 (480 Mbit/sec) inputs for data transfer. Canon EOS R100 has a Micro HDMI and Canon EOS 5D Mark II has a Mini HDMI connector for video signal output.

Battery

Canon EOS R100 comes with LP-E17 battery pack with battery life of 370 shots and Canon EOS 5D Mark II comes with LP-E6 battery pack with battery life of 850 shots.

External Storage Slots

Canon EOS R100 has a single SD/SDHC/SDXC (UHS-I) card slot. Canon EOS 5D Mark II has a single CompactFlash (Type I/II, UDMA 7), Microdrive card slot.

Shutter

Canon EOS R100 has Electronic 1st curtain shutter and Electronic shutter. Canon EOS 5D Mark II has Electronically Controlled Vertical-travel Mechanical Focal-plane shutter. Shutter speed can go up to 1/4000 sec on Canon EOS R100, and up to 1/8000 sec on Canon EOS 5D Mark II. Canon EOS R100 can shoot continuously up to 6.5 fps. Canon EOS 5D Mark II can shoot continuously up to 3.9 fps.

Focusing

Both cameras have Dual Pixel CMOS AF system with Canon EOS R100 having 143 focusing points and from -4 to +20 EV detection range and with Canon EOS 5D Mark II having 9 focusing points. and Canon EOS R100 having from -4 to +20 EV detection range.

Exposure

Exposure meterings of Canon EOS R100 and Canon EOS 5D Mark II range from -2 to +20 EV and -0.5 to +18 EV respectively and you can set the exposure compensation within the ±3 EV range on Canon EOS R100 and ±2 EV range on Canon EOS 5D Mark II. You can also do exposure lock, exposure bracketing and manual exposure adjustment on Canon EOS R100 and exposure lock, exposure bracketing and manual exposure adjustment on Canon EOS 5D Mark II.

Flash

Canon EOS R100 has a built-in flash with maximum range of 6m at ISO 100 and also accepts external flash which can be connected via Hot Shoe. Canon EOS 5D Mark II has no built-in flash but an external flash may be connected via Hot Shoe or PC Terminal. The fastest flash synchronization speed is 1/250 sec on Canon EOS R100 and 1/200 sec on Canon EOS 5D Mark II.

Canon EOS R100 body has dimensions of 116 x 86 x 69 mm (4.57 x 3.39 x 2.72") and Canon EOS 5D Mark II body has dimensions of 152 x 114 x 75 mm (5.98 x 4.49 x 2.95"). Canon EOS R100 weighs 356 g (0.78 lb / 12.56 oz) and Canon EOS 5D Mark II weighs 850 g (1.87 lb / 29.98 oz).

Canon EOS R100

Canon EOS 5D Mark II

116 mm

86 mm

152 mm

114 mm

86 mm

114 mm

69 mm

75 mm