Canon EOS RP vs Canon EOS 5D Mark III

In this comparison, we will evaluate the Canon EOS RP and the Canon EOS 5D Mark III, 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 RP was introduced in February 2019 and Canon EOS 5D Mark III was introduced in May 2012. 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 RP over Canon EOS 5D Mark III.

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

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 RP has a 3.0" Fully Articulated screen with 1,040k dot resolution and Canon EOS 5D Mark III has a 3.2" Fixed screen with 1,040k dot resolution. Fully articulated screen makes Canon EOS RP selfie and vlogger friendly and generally very useful for video shooting. Canon EOS RP also features touchscreen which has advantages such as easy menu navigation, intuitive controls, quick setting adjustment and most importantly a Touch-to-Focus functionality allowing users to select a specific point on the screen where they want the camera to focus. This feature can be helpful for achieving precise focus in both photo and video recording.

Viewfinder

Canon EOS RP has a built-in 0.39" Electronic viewfinder with 2,360k dot resolution and Canon EOS 5D Mark III has a built-in Optical (pentaprism) viewfinder. They both have 100% coverage.

Canon EOS RP features a 26.2 megapixel Full Frame CMOS sensor with dimensions of 35.9 x 24 mm and a total area of 861.6 mm². Its native ISO range is 100 - 40,000 and expands to 50 - 102,400 in boosted mode. Canon EOS 5D Mark III features a 22.3 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 - 25,600 and expands to 50 - 102,400 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 RP is equipped with DIGIC 8 processor and can take pictures up to 6240 x 4160 resolution. Canon EOS 5D Mark III is equipped with DIGIC 5+ processor and can take pictures up to 5760 x 3840 resolution. It can also take pictures with lower resolution like 3840 x 2560, 2880 x 1920, 1920 x 1280, 720 x 480 with 3:2 aspect ratios.

Lens Mount

Canon EOS RP has Canon RF lens mount and Canon EOS 5D Mark III has Canon EF lens mount. Due to their Full Frame sensor their crop factor (also called lens multiplier) 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 Image Stabilization

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

Built-in Wi-Fi on Canon EOS RP

Canon EOS RP has a built-in Wi-Fi (802.11b/g/n, 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 RP

Canon EOS RP 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 RP has a Mini HDMI and Canon EOS 5D Mark III has a Mini HDMI connector for video signal output.

Battery

Canon EOS RP comes with LP-E17 battery pack with battery life of 250 shots and Canon EOS 5D Mark III comes with LP-E6 battery pack with battery life of 950 shots.

External Storage Slots

Canon EOS RP has a single SD/SDHC/SDXC (UHS-II) card slot. Canon EOS 5D Mark III has two card slots - one for SD/SDHC/SDXC and one for CompactFlash (Type I, UDMA 7).

Shutter

Canon EOS RP has Electronic shutter. Canon EOS 5D Mark III has Electronically Controlled Vertical-travel Mechanical Focal-plane shutter. Shutter speed can go up to 1/4000 sec on Canon EOS RP, and up to 1/8000 sec on Canon EOS 5D Mark III. Canon EOS RP can shoot continuously up to 5.0 fps. Canon EOS 5D Mark III can shoot continuously up to 6.0 fps.

Focusing

Both cameras have Dual Pixel CMOS AF system with Canon EOS RP having 4779 focusing points and from -5 to +18 EV detection range and with Canon EOS 5D Mark III having 61 (41 cross-type) focusing points and from -2 to +18 EV detection range. and Canon EOS RP having from -5 to +18 EV detection range and Canon EOS 5D Mark III having from -2 to +18 EV detection range.

Exposure

Exposure meterings of Canon EOS RP and Canon EOS 5D Mark III range from -3 to +20 EV and +1 to +20 EV respectively and you can set the exposure compensation within the ±3 EV range on Canon EOS RP and ±5 EV range on Canon EOS 5D Mark III. You can also do exposure lock, exposure bracketing and manual exposure adjustment on Canon EOS RP and exposure lock, exposure bracketing and manual exposure adjustment on Canon EOS 5D Mark III.

Flash

Cameras have no built-in flash but an external flash may be connected to both of them via Hot Shoe to Canon EOS RP and via Hot Shoe or PC Terminal to Canon EOS 5D Mark III. The fastest flash synchronization speed is 1/180 sec on Canon EOS RP and 1/200 sec on Canon EOS 5D Mark III.

Canon EOS RP body has dimensions of 133 x 85 x 70 mm (5.24 x 3.35 x 2.76") and Canon EOS 5D Mark III body has dimensions of 152 x 116 x 76 mm (5.98 x 4.57 x 2.99"). Canon EOS RP weighs 485 g (1.07 lb / 17.11 oz) and Canon EOS 5D Mark III weighs 950 g (2.09 lb / 33.51 oz).

Canon EOS RP

Canon EOS 5D Mark III

133 mm

85 mm

152 mm

116 mm

85 mm

116 mm

70 mm

76 mm