Canon EOS R3 vs Canon EOS 40D
This is a full comparison between the cameras Canon EOS R3 and Canon EOS 40D. We compare them by looking at the categories you see below.
Manufacturing
These cameras are both manufactured by Canon.
Canon EOS R3 were released 2021 and Canon EOS 40D was released 2007. That is a 14 years difference. In tech, this period can be of interest since technology is always improving, etc.| Camera | Released |
| Canon EOS R3 | 2021 |
| Canon EOS 40D | 2007 |
Type of camera
Canon EOS R3 is a Mirrorless camera while Canon EOS 40D is a DSLR camera. More information about their differences will come soon.
Sensors / crop factor
These cameras have different sensors. Canon EOS R3 has a "Canon Full Frame"-sensor while Canon EOS 40D 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 ** |
| Canon EOS R3 | 50 mm Full-frame sensor No crop factor/focal length multiplier |
| Canon EOS 40D | 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 (Canon)
Resolution
Canon EOS R3 has a 24 MP (Megapixels) resolution while Canon EOS 40D has 10,1 MP. If we break down this in more detail this is the data behind the numbers:
| Camera | Megapixels |
| Canon EOS R3 |
24 MP
24000000 pixels 6000 x 4000 |
| Canon EOS 40D |
10,1 MP
10077696 pixels 3888 x 2592 |
Canon EOS R3 has a 138 % larger resolution than Canon EOS 40D. 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 R3 has a larger ISO-range than Canon EOS 40D. Canon EOS R3 has an ISO range that stretches from 100 to 102400 while Canon EOS 40D has 100 to 3200.
| Camera | ISO Range |
| Canon EOS R3 | 100-102400 |
| Canon EOS 40D | 100-3200 |
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 R3 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 R3
Lens compatibility chart for Canon EOS 40D
Pictures per second
Depending on what you are shooting the FPS, or frames/pictures per second, can definitely be of interest. Canon EOS R3 can shoot up to 30 pictures per seconds and Canon EOS 40D can shoot up to 6,5 pictures per seconds.
| Camera | FPS (Frames per second) |
| Canon EOS R3 | 30 |
| Canon EOS 40D | 6,5 |
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 Canon EOS R3. Unfortunately Canon EOS 40D 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 R3 weighs 1015 gr (equal to 2.24 lb) which is 23% heavier than Canon EOS 40D and its 822 gr (or 1.81 lb).
| Camera | Weight |
| Canon EOS R3 | 1015 gr 2.24 lb |
| Canon EOS 40D | 822 gr 1.81 lb |
Canon EOS R3 vs Canon EOS 40D Specs
Below you will find the complete and detailed technical specs for both Canon EOS R3 and Canon EOS 40D, 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 R3 |
Canon EOS 40D |
| Name | Canon EOS R3 | Canon EOS 40D |
| Manufacturer | Canon | Canon |
Release Date and Price |
Canon EOS R3 |
Canon EOS 40D |
| Release Year | 2021 | 2007 |
| Release Date | 2021-04-14 | 2007-08-20 |
| MSRP | 5999 USD | 1299 USD |
| Buy it today |
|
|
Camera Type |
Canon EOS R3 |
Canon EOS 40D |
| Camera Type | Mirrorless | DSLR |
Sensor |
Canon EOS R3 |
Canon EOS 40D |
| Sensor Size | Full Frame (approx 36 x 24 mm) | APS-C (approx 22.3 x 14.9 mm) |
| Sensor Type | Stacked CMOS | CMOS |
| Resolution | 6000 x 4000 pixels | 3888 x 2592 pixels |
| Megapixels | 24 MP | 10,1 MP |
| Image Processor | DIGIC X | DIGIC 3 |
Image |
Canon EOS R3 |
Canon EOS 40D |
| ISO Range | 100 - 102400 | 100 - 3200 |
| White Balance Presets | 6 | 6 |
| Custom White Balance | No | Yes |
| Image Stabilization |
Yes (Sensor-Shift) |
No |
| Image Stabilization CIPA Rating | 0 stops | 0 stops |
| Uncompressed format | RAW | RAW |
Optics & Focus |
Canon EOS R3 |
Canon EOS 40D |
| 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 Selective Single Point Single Continuous |
| Focus Points | 1053 | 9 |
| Lens Mount |
Canon RF 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 |
Canon EOS R3 |
Canon EOS 40D |
| Articulated LCD | Fully articulated | Fixed |
| Screen size | 3.2” | 3” |
| Screen dots | 4150000 | 230000 |
| Touch screen | Yes | No |
| Screen type | TFT LCD | N/A |
| Live view | Yes | Yes |
| Viewfinder Type | Electronic | Optical (pentaprism) |
| Viewfinder Coverage | 100% | 95% |
| Viewfinder Magnification | 0.76× | 0.95× (0.59× 35mm equiv.) |
| Viewfinder Resolution | 5760000 | N/A |
Photography features |
Canon EOS R3 |
Canon EOS 40D |
| Frames per second | 30 fps | 6,5 fps |
| Minimum Shutter Speed | 30 seconds | 30 seconds |
| Maximum Shutter Speed | 1/8000 seconds | 1/8000 seconds |
| Built-in Flash | No | Yes |
| Built-in Flash Range | N/A | 12 meters |
| External Flash | Yes | Yes |
| Self-Timer | Yes | Yes |
| Time-lapse | Yes | Yes |
| Metering modes |
Multi Center Weighted Spot Partial |
Multi Center Weighted Spot Partial |
| Exposure Compensation | +/- 3 (at 1/3 EV, 1/2 EV steps) | +/- 2 (at 1/3 EV, 1/2 EV steps) |
Videography features |
Canon EOS R3 |
Canon EOS 40D |
| Video recording | Yes | No |
| Video format |
MPEG4 H.264 H.265 |
N/A |
| Video resolution |
1920 x 1080 3840 x 2160 4096 x 2160 |
N/A |
| Built-in Microphone | Yes | No |
| Built-in Speakers | Yes | No |
Storage |
Canon EOS R3 |
Canon EOS 40D |
| Memory Card |
Compact Flash Express SD/SDHC |
Compact Flash |
Connectivity |
Canon EOS R3 |
Canon EOS 40D |
| HDMI Output | Yes | No |
| Microphone Port | Yes | No |
| Headphone Port | Yes | No |
| Wireless |
Yes Built-in (802.11ac + Bluetooth) |
No |
| Remote Control | Yes (via smartphone) | Yes (N3 connector) |
| GPS |
Yes Built-in |
No |
Body & Dimensions |
Canon EOS R3 |
Canon EOS 40D |
| Enviromentally sealed | Yes | No |
| Battery | Built-in | Battery Pack |
| Battery Details |
LP-E19 lithium-ion battery & charger
|
Litium-Ion (Li-Ion) BP-511
|
| Battery Life (CIPA) | 760 shots | 800 shots |
| Width | 150 mm | 146 mm |
| Height | 143 mm | 108 mm |
| Depth | 87 mm | 74 mm |
| Weight | 1015 gram | 822 gram |