Sony Alpha a7R IIIA vs Canon EOS 450D

This is a full comparison between the cameras Sony Alpha a7R IIIA and Canon EOS 450D. We compare them by looking at the categories you see below.

Manufacturing

Sony Alpha a7R IIIA is manufacturered by Sony but Canon EOS 450D is from Canon. Both Sony and Canon are well known brands though.

Sony Alpha a7R IIIA were released 2021 and Canon EOS 450D was released 2008. That is a 13 years difference. In tech, this period can be of interest since technology is always improving, etc.

Camera Released
Sony Alpha a7R IIIA 2021
Canon EOS 450D 2008

Type of camera

Sony Alpha a7R IIIA is a Mirrorless camera while Canon EOS 450D is a DSLR camera. More information about their differences will come soon.

Sensors / crop factor

These cameras have different sensors. Sony Alpha a7R IIIA has a "Sony Full Frame"-sensor while Canon EOS 450D has a "Canon APS-C"-sensor, and their difference in sensors will also affect the crop factor and experience focal length. See the table below.

Camera Focal length, 50mm f/1.8 **
Sony Alpha a7R IIIA 50 mm
Full-frame sensor
No crop factor/focal length multiplier
Canon EOS 450D 80 mm
Canon APS-C sensor
Crop factor/focal length multiplier by * 1.6

** 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 Alpha a7R IIIA has a 42 MP (Megapixels) resolution while Canon EOS 450D has 12,2 MP. If we break down this in more detail this is the data behind the numbers:

Camera Megapixels
Sony Alpha a7R IIIA 42 MP
42177408 pixels
7952 x 5304
Canon EOS 450D 12,2 MP
12166656 pixels
4272 x 2848

Sony Alpha a7R IIIA has a 247 % larger resolution than Canon EOS 450D. 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

Sony Alpha a7R IIIA has a larger ISO-range than Canon EOS 450D. Sony Alpha a7R IIIA has an ISO range that stretches from 100 to 32000 while Canon EOS 450D has 100 to 1600.

Camera ISO Range
Sony Alpha a7R IIIA 100-32000
Canon EOS 450D 100-1600

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.

Here is a complete overview of which lenses work with each camera:
Lens compatibility chart for Sony Alpha a7R IIIA
Lens compatibility chart for Canon EOS 450D

Pictures per second

Depending on what you are shooting the FPS, or frames/pictures per second, can definitely be of interest. Sony Alpha a7R IIIA can shoot up to 10 pictures per seconds and Canon EOS 450D can shoot up to 3,5 pictures per seconds.

Camera FPS (Frames per second)
Sony Alpha a7R IIIA 10
Canon EOS 450D 3,5

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 Sony Alpha a7R IIIA. Unfortunately Canon EOS 450D 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.

Sony Alpha a7R IIIA weighs 657 gr (equal to 1.45 lb) which is 25% heavier than Canon EOS 450D and its 524 gr (or 1.16 lb).

Camera Weight
Sony Alpha a7R IIIA 657 gr
1.45 lb
Canon EOS 450D 524 gr
1.16 lb

Sony Alpha a7R IIIA vs Canon EOS 450D Specs

Below you will find the complete and detailed technical specs for both Sony Alpha a7R IIIA and Canon EOS 450D, 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 Alpha a7R IIIA
Canon EOS 450D
Name Sony Alpha a7R IIIA Canon EOS 450D
Manufacturer Sony Canon
Release Date and Price
Sony Alpha a7R IIIA
Canon EOS 450D
Release Year 2021 2008
Release Date 2021-04-07 2008-01-24
MSRP 3199 USD 799 USD
Buy it today
Camera Type
Sony Alpha a7R IIIA
Canon EOS 450D
Camera Type Mirrorless DSLR
Sensor
Sony Alpha a7R IIIA
Canon EOS 450D
Sensor Size Full Frame (approx 36 x 24 mm) APS-C (approx 22.3 x 14.9 mm)
Sensor Type BSI-CMOS CMOS
Resolution 7952 x 5304 pixels 4272 x 2848 pixels
Megapixels 42 MP 12,2 MP
Image Processor BIONZ X DIGIC 3
Image
Sony Alpha a7R IIIA
Canon EOS 450D
ISO Range 100 - 32000 100 - 1600
White Balance Presets 10 6
Custom White Balance Yes Yes
Image Stabilization Yes
(Sensor-Shift (5-axis))
No
Image Stabilization CIPA Rating 5.5 stops 0 stops
Uncompressed format RAW RAW
Optics & Focus
Sony Alpha a7R IIIA
Canon EOS 450D
Autofocus Motor Yes Yes
Autofocus Contract Detect (sensor)
Phase Detect
Multi Area
Center
Selective Single Point
Tracking
Single
Continuous
Touch
Face Detection
LiveView
Contract Detect (sensor)
Phase Detect
Multi Area
Selective Single Point
Tracking
Single
Continuous
Focus Points 399 9
Lens Mount Sony E

See Compatible Lenses
Canon EF
Canon EF-S

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-C Sensor
1.6x multiplier
Example:
24 mm becomes 38 mm
50 mm becomes 80 mm
100 mm becomes 160 mm
200 mm becomes 320 mm
Screen & Viewfinder
Sony Alpha a7R IIIA
Canon EOS 450D
Articulated LCD Tilting Fixed
Screen size 3 3
Screen dots 2360000 230000
Touch screen Yes No
Screen type TFT LCD N/A
Live view Yes Yes
Viewfinder Type Electronic Optical (pentamirror)
Viewfinder Coverage 100% 95%
Viewfinder Magnification 0.78x 0.87 (0.54 35mm equiv.)
Viewfinder Resolution 3686400 N/A
Photography features
Sony Alpha a7R IIIA
Canon EOS 450D
Frames per second 10 fps 3,5 fps
Minimum Shutter Speed 30 seconds 30 seconds
Maximum Shutter Speed 1/8000 seconds 1/4000 seconds
Built-in Flash No Yes
Built-in Flash Range N/A 13 meters
External Flash Yes Yes
Self-Timer Yes Yes
Time-lapse No Yes
Metering modes Multi
Center Weighted
Spot
Multi
Center Weighted
Spot
Exposure Compensation +/- 5 (at 1/3 EV, 1/2 EV steps) +/- 2 (at 1/3 EV, 1/2 EV steps)
Videography features
Sony Alpha a7R IIIA
Canon EOS 450D
Video recording Yes No
Video format MPEG4
XAVC-S
AVCHD
N/A
Video resolution 1920 x 1080
3840 x 2160
N/A
Built-in Microphone Yes No
Built-in Speakers Yes No
Storage
Sony Alpha a7R IIIA
Canon EOS 450D
Memory Card SD/SDHC
SD/SDHC
Connectivity
Sony Alpha a7R IIIA
Canon EOS 450D
HDMI Output Yes No
Microphone Port Yes No
Headphone Port Yes No
Wireless Yes
Built-in (802.11b/g/n + NFC + Bluetooth)
No
Remote Control Yes (wired, wireless, smartphone) Yes (E3 connector, InfraRed)
GPS No No
Body & Dimensions
Sony Alpha a7R IIIA
Canon EOS 450D
Enviromentally sealed Yes No
Battery Battery Pack Battery Pack
Battery Details NP-FZ100 lithium-ion battery and charger
LP-E5
Battery Life (CIPA) 650 shots N/A
Width 127 mm 129 mm
Height 96 mm 98 mm
Depth 74 mm 62 mm
Weight 657 gram 524 gram