Sony a9 II vs Canon EOS R5

This is a full comparison between the cameras Sony a9 II and Canon EOS R5. We compare them by looking at the categories you see below.

Manufacturing

Sony a9 II is manufacturered by Sony but Canon EOS R5 is from Canon. Both Sony and Canon are well known brands though.

Sony a9 II were released 2019 and Canon EOS R5 was released 2020. That is a 1 years difference. In tech, this period can be of interest since technology is always improving, etc.

Camera Released
Sony a9 II 2019
Canon EOS R5 2020

Type of camera

Both these cameras are Mirrorless cameras. No difference there.

Sensors / crop factor

Even though the camera sensors might be called differently they are both considered Full frame which means that the focal length of the lenses is not affected. There is no crop factor on any of these cameras and sensors.

Camera Focal length, 50mm f/1.8 **
Sony a9 II 50 mm
Full-frame sensor
No crop factor/focal length multiplier
Canon EOS R5 50 mm
Full-frame sensor
No crop factor/focal length multiplier

** 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 (Sony)
Camera selection can affect the focal length (Canon)

Resolution

Sony a9 II has a 24 MP (Megapixels) resolution while Canon EOS R5 has 45 MP. If we break down this in more detail this is the data behind the numbers:

Camera Megapixels
Sony a9 II 24 MP
24000000 pixels
6000 x 4000
Canon EOS R5 45 MP
44761088 pixels
8192 x 5464

Canon EOS R5 has a 87 % larger resolution than Sony a9 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

Both of these cameras offer the exact same ISO range. They both have 100 to 51200.

Camera ISO Range
Sony a9 II 100-51200
Canon EOS R5 100-51200

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 Sony a9 II
Lens compatibility chart for Canon EOS R5

Pictures per second

Depending on what you are shooting the FPS, or frames/pictures per second, can definitely be of interest. Sony a9 II can shoot up to 20 pictures per seconds and Canon EOS R5 can shoot up to 20 pictures per seconds.

Camera FPS (Frames per second)
Sony a9 II 20
Canon EOS R5 20

Ability to record movies

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

In this case, both Sony a9 II and Canon EOS R5 can shoot movies.

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 R5 weighs 738 gr (equal to 1.63 lb) which is 9% heavier than Sony a9 II and its 678 gr (or 1.49 lb).

Camera Weight
Sony a9 II 678 gr
1.49 lb
Canon EOS R5 738 gr
1.63 lb

Sony a9 II vs Canon EOS R5 Specs

Below you will find the complete and detailed technical specs for both Sony a9 II and Canon EOS R5, 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
Sony a9 II
Canon EOS R5
Name Sony a9 II Canon EOS R5
Manufacturer Sony Canon
Release Date and Price
Sony a9 II
Canon EOS R5
Release Year 2019 2020
Release Date 2019-10-03 2020-07-09
MSRP 4499 USD 3899 USD
Buy it today
Camera Type
Sony a9 II
Canon EOS R5
Camera Type Mirrorless Mirrorless
Sensor
Sony a9 II
Canon EOS R5
Sensor Size Full Frame (approx 36 x 24 mm) Full Frame (approx 36 x 24 mm)
Sensor Type Stacked CMOS CMOS
Resolution 6000 x 4000 pixels 8192 x 5464 pixels
Megapixels 24 MP 45 MP
Image Processor Bionz X DIGIC X
Image
Sony a9 II
Canon EOS R5
ISO Range 100 - 51200 100 - 51200
White Balance Presets 9 8
Custom White Balance Yes Yes
Image Stabilization Yes
(Sensor-Shift (5-axis))
Yes
(Sensor-Shift. Works with lens-based IS systems for maximum shake reduction.)
Image Stabilization CIPA Rating 5.5 stops 0 stops
Uncompressed format RAW RAW
Optics & Focus
Sony a9 II
Canon EOS R5
Autofocus Motor Yes Yes
Autofocus Contract Detect (sensor)
Phase Detect
Multi Area
Center
Selective Single Point
Tracking
Single
Continuous
Touch
Face Detection
LiveView
Phase Detect
Multi Area
Center
Selective Single Point
Tracking
Single
Continuous
Touch
Face Detection
LiveView
Focus Points 693 1053
Lens Mount Sony E

See Compatible Lenses
Canon RF

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
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
Screen & Viewfinder
Sony a9 II
Canon EOS R5
Articulated LCD Tilting Fully articulated
Screen size 3” 3.2”
Screen dots 1440000 2100000
Touch screen Yes Yes
Screen type TFT LCD TFT LCD
Live view Yes Yes
Viewfinder Type Electronic Electronic
Viewfinder Coverage 100% 100%
Viewfinder Magnification 0.78x 0.76×
Viewfinder Resolution 3686400 5760000
Photography features
Sony a9 II
Canon EOS R5
Frames per second 20 fps 20 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 Yes No
Metering modes Multi
Center Weighted
Highlight Weighted
Spot
Average
Multi
Center Weighted
Spot
Partial
Exposure Compensation +/- 5 (at 1/3 EV, 1/2 EV steps) +/- 3 (at 1/3 EV, 1/2 EV steps)
Videography features
Sony a9 II
Canon EOS R5
Video recording Yes Yes
Video format MPEG4
H.264
AVCHD
H.265
Video resolution 1280 x 720
1920 x 1080
3840 x 2160
3840 x 2160
4096 x 2160
7680 x 4320
8192 x 4320
Built-in Microphone Yes Yes
Built-in Speakers Yes Yes
Storage
Sony a9 II
Canon EOS R5
Memory Card SD/SDHC
Compact Flash Express
SD/SDHC
Connectivity
Sony a9 II
Canon EOS R5
HDMI Output Yes Yes
Microphone Port Yes Yes
Headphone Port Yes Yes
Wireless Yes
Built-in (802.11ac + NFC + Bluetooth)
Yes
Built-in (802.11ac (dual-band) + Bluetooth)
Remote Control Yes (Wired or wireless) Yes
GPS No No
Body & Dimensions
Sony a9 II
Canon EOS R5
Enviromentally sealed Yes Yes
Battery Battery Pack Battery Pack
Battery Details NP-FZ100
LP-E6NH lithium-ion battery & charger
Battery Life (CIPA) 690 shots 320 shots
Width 129 mm 138 mm
Height 96 mm 98 mm
Depth 76 mm 88 mm
Weight 678 gram 738 gram