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Canon 40D vs Canon R3

Portability
57
Imaging
48
Features
50
Overall
48
Canon EOS 40D front
 
Canon EOS R3 front
Portability
52
Imaging
76
Features
93
Overall
82

Canon 40D vs Canon R3 Key Specs

Canon 40D
(Full Review)
  • 10MP - APS-C Sensor
  • 3" Fixed Display
  • ISO 100 - 1600 (Bump to 3200)
  • 1/8000s Maximum Shutter
  • No Video
  • Canon EF/EF-S Mount
  • 822g - 146 x 108 x 74mm
  • Announced October 2007
  • Succeeded the Canon 30D
  • Successor is Canon 50D
Canon R3
(Full Review)
  • 24MP - Full frame Sensor
  • 3.2" Fully Articulated Display
  • ISO 100 - 102400 (Increase to 204800)
  • Sensor based 5-axis Image Stabilization
  • 1/8000s Maximum Shutter
  • 6000 x 3164 video
  • Canon RF Mount
  • 1015g - 150 x 143 x 87mm
  • Launched September 2021
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Canon 40D vs Canon R3 Overview

Here is a comprehensive review of the Canon 40D versus Canon R3, former being a Advanced DSLR while the other is a Pro Mirrorless and they are both produced by Canon. There is a large difference among the sensor resolutions of the 40D (10MP) and R3 (24MP) and the 40D (APS-C) and R3 (Full frame) possess different sensor dimensions.

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The 40D was brought out 15 years earlier than the R3 and that is a fairly serious difference as far as camera tech is concerned. Both of these cameras offer different body type with the Canon 40D being a Mid-size SLR camera and the Canon R3 being a SLR-style mirrorless camera.

Before we go through a in-depth comparison, below is a brief highlight of how the 40D scores against the R3 in terms of portability, imaging, features and an overall rating.

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Reasons to pick Canon 40D over the Canon R3

 40D R3 

Reasons to pick Canon R3 over the Canon 40D

 R3 40D 
LaunchedSeptember 2021October 2007Fresher by 169 months
Display typeFully ArticulatedFixed Fully Articulating display
Display sizing3.2"3"Larger display (+0.2")
Display resolution4150k230kClearer display (+3920k dot)
Selfie screen Easy selfies
Touch friendly display Easily navigate

Common features in the Canon 40D and Canon R3

 40D R3 
Manual focus Dial accurate focusing

Canon 40D vs Canon R3 Physical Comparison

For anyone who is intending to carry your camera often, you are going to need to factor its weight and volume. The Canon 40D has got physical measurements of 146mm x 108mm x 74mm (5.7" x 4.3" x 2.9") with a weight of 822 grams (1.81 lbs) and the Canon R3 has sizing of 150mm x 143mm x 87mm (5.9" x 5.6" x 3.4") with a weight of 1015 grams (2.24 lbs).

Examine the Canon 40D versus Canon R3 in our completely new Camera & Lens Size Comparison Tool. Camera Size Comparison with Lenses

Take into account, the weight of an ILC will differ dependant on the lens you choose at that time. Following is the front view physical size comparison of the 40D vs the R3.

Canon 40D vs Canon R3 size comparison

Taking into account size and weight, the portability score of the 40D and R3 is 57 and 52 respectively.

Canon 40D vs Canon R3 top view buttons comparison

Canon 40D vs Canon R3 Sensor Comparison

In many cases, it can be tough to picture the contrast in sensor sizing only by seeing a spec sheet. The graphic here might offer you a far better sense of the sensor sizing in the 40D and R3.

As you can see, both of those cameras enjoy different megapixel count and different sensor sizing. The 40D featuring a smaller sensor is going to make achieving shallow DOF tougher and the Canon R3 will provide greater detail having its extra 14MP. Greater resolution can also help you crop images far more aggressively. The older 40D will be behind in sensor innovation.

Canon 40D vs Canon R3 sensor size comparison

Canon 40D vs Canon R3 Screen and ViewFinder

Canon 40D vs Canon R3 Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Canon 40D Portrait photography info
Canon R3 Portrait photography info
58
manual focus
sensor size is nice (APS-C)
saves RAW formats
low megapixels (10 megapixels)
85
you can focus manually
MP count good (24MP)
sensor size is big (Full frame)
supports face detect autofocus
supports RAW files
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Street Comparison

Canon 40D Street photography information
Canon R3 Street photography information
56
sensor size is nice (APS-C)
saves RAW formats
environment sealing
screen does not articulate
no image stabilization
69
fully articulated screen
image stabilization (Sensor based 5-axis)
sensor size is big (Full frame)
supports RAW files
includes focus via touch
environment proofing
great high ISO (102,400)
heavier than competition in class (1,015 grams)
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Sports Comparison

Canon 40D Sports photography advice
Canon R3 Sports photography advice
52
max shutter speed is good (1/8,000 seconds)
sensor size is nice (APS-C)
environment sealing
supports phase detect autofocus
no image stabilization
low megapixels (10MP)
low battery (800 per charge)
88
maximum shutter speed is high (1/8,000 seconds)
quiet shooting (1/64,000 seconds)
image stabilization (Sensor based 5-axis)
MP count good (24MP)
sensor size is big (Full frame)
supports tracking focus
environment proofing
great battery pack (760 shots)
has phase detect autofocus
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Travel Comparison

Travel photography with Canon 40D
Travel photography with Canon R3
48
environment sealing
built-in flash
low battery (800 per charge)
low megapixels (10MP)
doesn't have a selfie friendly screen
70
great battery pack (760 per charge)
environment proofing
connects via bluetooth
includes focus via touch
MP count good (24 megapixels)
screen is selfie friendly
heavier than competition in class (1,015 grams)
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Landscape Comparison

Landscape photography with Canon 40D
Landscape photography with Canon R3
58
manual focus
change lenses (Canon EF/EF-S mount)
screen is a decent size (3")
sensor size is nice (APS-C)
saves RAW formats
environment sealing
no image stabilization
low megapixels (10MP)
low battery (800 per charge)
85
you can focus manually
interchangeable lenses (Canon RF mount)
screen size is good (3.2")
image stabilization (Sensor based 5-axis)
MP count good (24 megapixels)
sensor size is big (Full frame)
great high ISO (102,400)
supports RAW files
environment proofing
great battery pack (760 shots)
2 card slots
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Vlogging Comparison

Canon 40D as a Vlogging camera
Canon R3 as a Vlogging camera
9
no video
70
screen is selfie friendly
touchscreen
image stabilization (Sensor based 5-axis)
supports face detect autofocus
high res video (6000 x 3164 pxls)
has mic support
heavier than competition in class (1,015 grams)
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Canon 40D vs Canon R3 Specifications

Detailed spec comparison table for Canon 40D and Canon R3
 Canon EOS 40DCanon EOS R3
General Information
Brand Canon Canon
Model Canon EOS 40D Canon EOS R3
Type Advanced DSLR Pro Mirrorless
Announced 2007-10-24 2021-09-14
Physical type Mid-size SLR SLR-style mirrorless
Sensor Information
Sensor type CMOS Stacked CMOS
Sensor size APS-C Full frame
Sensor dimensions 22.2 x 14.8mm 36 x 24mm
Sensor surface area 328.6mm² 864.0mm²
Sensor resolution 10MP 24MP
Anti aliasing filter
Aspect ratio 3:2 1:1, 4:3, 3:2 and 16:9
Peak resolution 3888 x 2592 6000 x 4000
Highest native ISO 1600 102400
Highest enhanced ISO 3200 204800
Minimum native ISO 100 100
RAW pictures
Minimum enhanced ISO - 50
Autofocusing
Focus manually
AF touch
Continuous AF
Single AF
AF tracking
AF selectice
AF center weighted
AF multi area
Live view AF
Face detect focusing
Contract detect focusing
Phase detect focusing
Number of focus points 9 1053
Lens
Lens mount Canon EF/EF-S Canon RF
Available lenses 326 27
Focal length multiplier 1.6 1
Screen
Type of display Fixed Type Fully Articulated
Display diagonal 3 inches 3.2 inches
Resolution of display 230k dots 4,150k dots
Selfie friendly
Liveview
Touch function
Viewfinder Information
Viewfinder type Optical (pentaprism) Electronic
Viewfinder resolution - 5,760k dots
Viewfinder coverage 95 percent 100 percent
Viewfinder magnification 0.6x 0.76x
Features
Min shutter speed 30 secs 30 secs
Max shutter speed 1/8000 secs 1/8000 secs
Max quiet shutter speed - 1/64000 secs
Continuous shutter rate 6.5fps 12.0fps
Shutter priority
Aperture priority
Expose Manually
Exposure compensation Yes Yes
Set WB
Image stabilization
Integrated flash
Flash range 12.00 m (ISO 100) no built-in flash
Flash settings Auto, On, Red-eye reduction, Off no built-in flash
Hot shoe
AE bracketing
White balance bracketing
Max flash synchronize 1/250 secs 1/250 secs
Exposure
Multisegment
Average
Spot
Partial
AF area
Center weighted
Video features
Supported video resolutions - 6000x3164 (60p/​50p/​30p/​24p/​23.98p) 4096x2160 (120p/​60p/​30p/​24p/​23.98p) 3840x2160 (120p/​60p/​30p/​23.98p) 1920x1080 (60p/​30p/​23.98p)
Highest video resolution None 6000x3164
Video data format - MPEG-4, H.264, H.265
Mic support
Headphone support
Connectivity
Wireless None Built-In
Bluetooth
NFC
HDMI
USB USB 2.0 (480 Mbit/sec) USB 3.2 Gen 2 (10 GBit/sec)
GPS None Yes
Physical
Environmental sealing
Water proof
Dust proof
Shock proof
Crush proof
Freeze proof
Weight 822 grams (1.81 lbs) 1015 grams (2.24 lbs)
Dimensions 146 x 108 x 74mm (5.7" x 4.3" x 2.9") 150 x 143 x 87mm (5.9" x 5.6" x 3.4")
DXO scores
DXO Overall score 64 96
DXO Color Depth score 22.1 25.0
DXO Dynamic range score 11.3 14.7
DXO Low light score 703 4086
Other
Battery life 800 photographs 760 photographs
Battery style Battery Pack Battery Pack
Battery model - LP-E19
Self timer Yes (2 or 10 sec) Yes
Time lapse recording
Storage type Compact Flash (Type I or II) SD/ SDHC/ SDXC (UHS-II supported) + CFexpress Type B
Card slots 1 Dual
Retail cost $1,099 $6,000