Canon EOS R5 vs Canon EOS 1D Mark II

This is a full comparison between the cameras Canon EOS R5 and Canon EOS 1D Mark II. We compare them by looking at the categories you see below.

Manufacturing

These cameras are both manufactured by Canon.

Type of camera

Canon EOS R5 is a Mirrorless camera while Canon EOS 1D Mark II is a DSLR camera. More information about their differences will come soon.

Sensors / crop factor

These cameras have different sensors. Canon EOS R5 has a "Canon Full Frame"-sensor while Canon EOS 1D Mark II has a "Canon APS-H"-sensor, and their difference in sensors will also affect the crop factor and experience focal length. See the table below.

** Experienced focal length when using a lens such as a common "50mm f/1.8"

Learn more about crop factor and focal length multiplier here:
Camera selection can affect the focal length (Canon)

Resolution

Canon EOS R5 has a 45 MP (Megapixels) resolution while Canon EOS 1D Mark II has 8,2 MP. If we break down this in more detail this is the data behind the numbers:

Canon EOS R5 has a 447 % larger resolution than Canon EOS 1D Mark II. This could give you more details in the picture but also a possibility to crop more in the pictures, afterward while editing the pictures, if needed that is.

ISO range

Canon EOS R5 has a larger ISO-range than Canon EOS 1D Mark II. Canon EOS R5 has an ISO range that stretches from 100 to 51200 while Canon EOS 1D Mark II has 50 to 3200.

Autofocus and lens compatibility

Both of these cameras have a built-in autofocus motor. Some lenses, that support autofocus, do not have an autofocus motor of their own but this won't cause any problems with these two cameras.

Worth mentioning is that Canon EOS R5 belongs to the Canon EOS R-system and needs an adapter to work with Canons EF, EF-S, MP-E, and TS-E lenses. You can read more about this adapter here:
Canon Lens Mount Adapter EF-EOS R

Here is a complete overview of which lenses work with each camera:
Lens compatibility chart for Canon EOS R5
Lens compatibility chart for Canon EOS 1D Mark II

Pictures per second

Depending on what you are shooting the FPS, or frames/pictures per second, can definitely be of interest. Canon EOS R5 can shoot up to 20 pictures per seconds and Canon EOS 1D Mark II can shoot up to 8,5 pictures per seconds.

Ability to record movies

It is becoming more and more popular to record movies with digital cameras.

When comparing these two cameras there is only one of them that can shoot movies and that is Canon EOS R5. Unfortunately Canon EOS 1D Mark II does not support recording movies and movie clips.

Weight

The weight of the camera can be an extremely important factor, especially if the camera is about to be used, or carried around, for several hours at a time.

Canon EOS 1D Mark II weighs 1565 gr (equal to 3.45 lb) which is 112% heavier than Canon EOS R5 and its 738 gr (or 1.63 lb).

Canon EOS R5 vs Canon EOS 1D Mark II Specs

Below you will find the complete and detailed technical specs for both Canon EOS R5 and Canon EOS 1D Mark II, next to each other. Each category of data is a link to an article covering the subject, giving you a deeper understanding so you can better understand the strengths and weaknesses of the two camera models.

Product	Canon EOS R5	Canon EOS 1D Mark II
Name	Canon EOS R5	Canon EOS 1D Mark II
Manufacturer	Canon	Canon
Release Date and Price	Canon EOS R5	Canon EOS 1D Mark II
Release Year	2020	2004
Release Date	2020-07-09	2004-01-29
MSRP	3899 USD	4499 USD
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Camera Type	Canon EOS R5	Canon EOS 1D Mark II
Camera Type	Mirrorless	DSLR
Sensor	Canon EOS R5	Canon EOS 1D Mark II
Sensor Size	Full Frame (approx 36 x 24 mm)	APS-H (approx 27.9 x 18.6 mm)
Sensor Type	CMOS	CMOS
Resolution	8192 x 5464 pixels	3504 x 2336 pixels
Megapixels	45 MP	8,2 MP
Image Processor	DIGIC X	DIGIC 2
Image	Canon EOS R5	Canon EOS 1D Mark II
ISO Range	100 - 51200	50 - 3200
White Balance Presets	8	8
Custom White Balance	Yes	Yes
Image Stabilization	Yes (Sensor-Shift. Works with lens-based IS systems for maximum shake reduction.)	No
Image Stabilization CIPA Rating	0 stops	0 stops
Uncompressed format	RAW	RAW
Optics & Focus	Canon EOS R5	Canon EOS 1D Mark II
Autofocus Motor	Yes	Yes
Autofocus	Phase Detect Multi Area Center Selective Single Point Tracking Single Continuous Touch Face Detection LiveView	Phase Detect Multi Area Selective Single Point Single Continuous
Focus Points	1053	45
Lens Mount	Canon RF See Compatible Lenses	Canon EF See Compatible Lenses
Focal Length Multiplier	Full frame No multiplier Example: 24 mm remains 24 mm 50 mm remains 50 mm 100 mm remains 100 mm 200 mm remains 200 mm	APS-H Sensor 1.3x multiplier Example: 24 mm becomes 31 mm 50 mm becomes 65 mm 100 mm becomes 130 mm 200 mm becomes 260 mm
Screen & Viewfinder	Canon EOS R5	Canon EOS 1D Mark II
Articulated LCD	Fully articulated	Fixed
Screen size	3.2”	2”
Screen dots	2100000	230000
Touch screen	Yes	No
Screen type	TFT LCD	N/A
Live view	Yes	No
Viewfinder Type	Electronic	Optical (pentaprism)
Viewfinder Coverage	100%	100%
Viewfinder Magnification	0.76×	0.72× (0.55× 35mm equiv.)
Viewfinder Resolution	5760000	N/A
Photography features	Canon EOS R5	Canon EOS 1D Mark II
Frames per second	20 fps	8,5 fps
Minimum Shutter Speed	30 seconds	30 seconds
Maximum Shutter Speed	1/8000 seconds	1/8000 seconds
Built-in Flash	No	No
Built-in Flash Range	N/A	N/A
External Flash	Yes	Yes
Self-Timer	Yes	Yes
Time-lapse	No	Yes
Metering modes	Multi Center Weighted Spot Partial	Multi Center Weighted Spot Partial
Exposure Compensation	+/- 3 (at 1/3 EV, 1/2 EV steps)	+/- 3 (at 1/3 EV, 1/2 EV steps)
Videography features	Canon EOS R5	Canon EOS 1D Mark II
Video recording	Yes	No
Video format	H.265	N/A
Video resolution	3840 x 2160 4096 x 2160 7680 x 4320 8192 x 4320	N/A
Built-in Microphone	Yes	No
Built-in Speakers	Yes	No
Storage	Canon EOS R5	Canon EOS 1D Mark II
Memory Card	Compact Flash Express SD/SDHC	Compact Flash SD/SDHC
Connectivity	Canon EOS R5	Canon EOS 1D Mark II
HDMI Output	Yes	No
Microphone Port	Yes	No
Headphone Port	Yes	No
Wireless	Yes Built-in (802.11ac (dual-band) + Bluetooth)	No
Remote Control	Yes	Yes (N3 connector)
GPS	No	No
Body & Dimensions	Canon EOS R5	Canon EOS 1D Mark II
Enviromentally sealed	Yes	No
Battery	Battery Pack	Battery Pack
Battery Details	LP-E6NH lithium-ion battery & charger	Ni-MH pack NP-E3
Battery Life (CIPA)	320 shots	N/A
Width	138 mm	156 mm
Height	98 mm	158 mm
Depth	88 mm	80 mm
Weight	738 gram	1565 gram