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Canon 5D MIII vs Canon R8

Portability
55
Imaging
66
Features
74
Overall
69
Canon EOS 5D Mark III front
 
Canon EOS R8 front
Portability
71
Imaging
77
Features
85
Overall
80

Canon 5D MIII vs Canon R8 Key Specs

Canon 5D MIII
(Full Review)
  • 22MP - Full frame Sensor
  • 3.2" Fixed Screen
  • ISO 100 - 25600 (Increase to 102400)
  • 1/8000s Max Shutter
  • 1920 x 1080 video
  • Canon EF Mount
  • 950g - 152 x 116 x 76mm
  • Revealed May 2012
  • Succeeded the Canon 5D MII
  • Successor is Canon 5D MIV
Canon R8
(Full Review)
  • 24MP - Full frame Sensor
  • 3.00" Fully Articulated Screen
  • ISO 100 - 102400 (Increase to 204800)
  • 3840 x 2160 video
  • Canon RF Mount
  • 461g - 133 x 86 x 70mm
  • Revealed February 2023
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Canon 5D MIII vs Canon R8 Overview

Below is a detailed assessment of the Canon 5D MIII and Canon R8, one being a Advanced DSLR and the latter is a Advanced Mirrorless and they are both created by Canon. The resolution of the 5D MIII (22MP) and the R8 (24MP) is pretty well matched and they possess the same exact sensor sizes (Full frame).

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The 5D MIII was manufactured 11 years prior to the R8 and that is quite a sizable gap as far as technology is concerned. Both the cameras offer different body type with the Canon 5D MIII being a Mid-size SLR camera and the Canon R8 being a SLR-style mirrorless camera.

Before delving in to a thorough comparison, below is a simple synopsis of how the 5D MIII scores vs the R8 when it comes to portability, imaging, features and an overall grade.

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Reasons to pick Canon 5D MIII over the Canon R8

 5D MIII R8 
Screen sizing3.2"3.00"Bigger screen (+0.2")

Reasons to pick Canon R8 over the Canon 5D MIII

 R8 5D MIII 
RevealedFebruary 2023May 2012More recent by 130 months
Screen typeFully ArticulatedFixed Fully Articulating screen
Screen resolution1620k1040kSharper screen (+580k dot)
Selfie screen Easy selfies
Touch friendly screen Quickly navigate

Common features in the Canon 5D MIII and Canon R8

 5D MIII R8 
Manual focus Dial accurate focusing

Canon 5D MIII vs Canon R8 Physical Comparison

If you are intending to lug around your camera regularly, you will want to think about its weight and dimensions. The Canon 5D MIII provides outer dimensions of 152mm x 116mm x 76mm (6.0" x 4.6" x 3.0") accompanied by a weight of 950 grams (2.09 lbs) and the Canon R8 has dimensions of 133mm x 86mm x 70mm (5.2" x 3.4" x 2.8") with a weight of 461 grams (1.02 lbs).

Compare the Canon 5D MIII and Canon R8 in the new Camera with Lens Size Comparison Tool. Camera Size Comparison with Lenses

Bear in mind, the weight of an Interchangeable Lens Camera will change dependant on the lens you have attached at that moment. Following is the front view sizing comparison of the 5D MIII versus the R8.

Canon 5D MIII vs Canon R8 size comparison

Taking into account dimensions and weight, the portability score of the 5D MIII and R8 is 55 and 71 respectively.

Canon 5D MIII vs Canon R8 top view buttons comparison

Canon 5D MIII vs Canon R8 Sensor Comparison

More often than not, it's difficult to imagine the contrast between sensor measurements only by looking at specs. The visual below may offer you a stronger sense of the sensor sizes in the 5D MIII and R8.

All in all, both the cameras offer the same exact sensor sizing albeit different resolution. You should expect the Canon R8 to give extra detail due to its extra 2MP. Higher resolution will also allow you to crop pictures a little more aggressively. The older 5D MIII is going to be disadvantaged in sensor innovation.

Canon 5D MIII vs Canon R8 sensor size comparison

Canon 5D MIII vs Canon R8 Screen and ViewFinder

Canon 5D MIII vs Canon R8 Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Canon 5D MIII as a Portrait photography camera
Canon R8 as a Portrait photography camera
79
has manual focus
resolution is good (22MP)
sensor size is great (Full frame)
has face detect autofocus
exports RAW formats
86
you can focus manually
decent megapixels (24 megapixels)
large sensor size (Full frame)
features face detect focus
exports RAW formats
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Street Comparison

Canon 5D MIII as a Street photography camera
Canon R8 as a Street photography camera
57
sensor size is great (Full frame)
exports RAW formats
environment proof
very good ISO range (25,600)
no articulating screen
does not have image stabilization
more heavy than competition (950 grams)
77
fully articulated screen
large sensor size (Full frame)
exports RAW formats
offers touch focus
environment proof
above average ISO range (102,400)
does not have image stabilization
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Sports Comparison

Sports photography with Canon 5D MIII
Sports photography with Canon R8
70
maximum shutter speed is high (1/8,000s)
resolution is good (22MP)
sensor size is great (Full frame)
has tracking focus
environment proof
comes with phase detect autofocus
max fps low (6.0 fps)
does not have image stabilization
71
silent shooting (1/16,000 seconds)
decent megapixels (24MP)
large sensor size (Full frame)
features tracking focus
environment proof
sensor has phase detect auto focus
very slow continuous shooting (6.0 fps)
does not have image stabilization
low battery power (290 shots)
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Travel Comparison

Canon 5D MIII as a Travel photography camera
Canon R8 as a Travel photography camera
51
environment proof
resolution is good (22 megapixels)
no Timelapse recording
more heavy than competition (950 grams)
doesn't have selfie friendly display
77
environment proof
supports bluetooth
offers touch focus
decent megapixels (24MP)
selfie friendly display
low battery power (290 CIPA)
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Landscape Comparison

Canon 5D MIII as a Landscape photography camera
Canon R8 as a Landscape photography camera
72
has manual focus
switch lenses (Canon EF mount)
nice screen size (3.2 inches)
resolution is good (22 megapixels)
sensor size is great (Full frame)
very good ISO range (25,600)
exports RAW formats
environment proof
has double storage slots
does not have image stabilization
no Timelapse recording
77
you can focus manually
swap lenses (Canon RF mount)
nice screen size (3.00")
decent megapixels (24MP)
large sensor size (Full frame)
above average ISO range (102,400)
exports RAW formats
environment proof
does not have image stabilization
low battery power (290 CIPA)
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Vlogging Comparison

Vlogging with Canon 5D MIII
Vlogging with Canon R8
27
has face detect autofocus
great video quality (1920 x 1080 resolution)
does have microphone port
doesn't have selfie friendly display
does not have image stabilization
more heavy than competition (950 grams)
77
selfie friendly display
has touchscreen
features face detect focus
video resolution high (3840 x 2160 resolution)
includes mic socket
does not have image stabilization
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Canon 5D MIII vs Canon R8 Specifications

Detailed spec comparison table for Canon 5D MIII and Canon R8
 Canon EOS 5D Mark IIICanon EOS R8
General Information
Manufacturer Canon Canon
Model type Canon EOS 5D Mark III Canon EOS R8
Type Advanced DSLR Advanced Mirrorless
Revealed 2012-05-22 2023-02-08
Physical type Mid-size SLR SLR-style mirrorless
Sensor Information
Processor Chip Digic 5+ -
Sensor type CMOS CMOS
Sensor size Full frame Full frame
Sensor dimensions 36 x 24mm 36 x 24mm
Sensor area 864.0mm² 864.0mm²
Sensor resolution 22 megapixels 24 megapixels
Anti alias filter
Aspect ratio 3:2 1:1, 4:3, 3:2 and 16:9
Highest resolution 5760 x 3840 6000 x 4000
Highest native ISO 25600 102400
Highest boosted ISO 102400 204800
Lowest native ISO 100 100
RAW format
Lowest boosted ISO 50 50
Autofocusing
Focus manually
Autofocus touch
Autofocus continuous
Single autofocus
Tracking autofocus
Selective autofocus
Center weighted autofocus
Multi area autofocus
Autofocus live view
Face detection autofocus
Contract detection autofocus
Phase detection autofocus
Total focus points 61 1053
Cross type focus points 41 -
Lens
Lens mount type Canon EF Canon RF
Total lenses 250 37
Focal length multiplier 1 1
Screen
Type of screen Fixed Type Fully Articulated
Screen size 3.2" 3.00"
Screen resolution 1,040k dots 1,620k dots
Selfie friendly
Liveview
Touch friendly
Screen technology Clear View II TFT LCD -
Viewfinder Information
Viewfinder type Optical (pentaprism) Electronic
Viewfinder resolution - 2,360k dots
Viewfinder coverage 100 percent 100 percent
Viewfinder magnification 0.71x 0.76x
Features
Lowest shutter speed 30s 30s
Highest shutter speed 1/8000s 1/4000s
Highest silent shutter speed - 1/16000s
Continuous shooting rate 6.0fps 6.0fps
Shutter priority
Aperture priority
Manual mode
Exposure compensation Yes Yes
Custom white balance
Image stabilization
Built-in flash
Flash distance no built-in flash no built-in flash
Flash modes no built-in flash no built-in flash
Hot shoe
AE bracketing
White balance bracketing
Highest flash synchronize 1/200s 1/250s
Exposure
Multisegment exposure
Average exposure
Spot exposure
Partial exposure
AF area exposure
Center weighted exposure
Video features
Video resolutions 1920 x 1080 (29.97, 25, 23.976 fps fps), 1280 x 720 (59.94, 50 fps), 640 x 480 (25, 30 fps) 3840 x 2160 @ 60p / 230 Mbps, MOV, H.264, Linear PCM3840 x 2160 @ 30p / 120 Mbps, MOV, H.264, Linear PCM3840 x 2160 @ 23.98p / 120 Mbps, MOV, H.264, Linear PCM1920 x 1080 @ 120p / 120 Mbps, MOV, H.264, Linear PCM1920 x 1080 @ 60p / 60 Mbps, MOV, H.264, Linear PCM1920 x 1080 @ 30p / 30 Mbps, MOV, H.264, Linear PCM1920 x 1080 @ 23.98p / 30 Mbps, MOV, H.264, Linear PCM
Highest video resolution 1920x1080 3840x2160
Video file format H.264 MPEG-4, H.264, H.265
Mic port
Headphone port
Connectivity
Wireless Optional Built-In
Bluetooth
NFC
HDMI
USB USB 2.0 (480 Mbit/sec) USB 3.2 Gen 2 (10 GBit/sec)
GPS Optional None
Physical
Environmental sealing
Water proofing
Dust proofing
Shock proofing
Crush proofing
Freeze proofing
Weight 950 gr (2.09 lb) 461 gr (1.02 lb)
Dimensions 152 x 116 x 76mm (6.0" x 4.6" x 3.0") 133 x 86 x 70mm (5.2" x 3.4" x 2.8")
DXO scores
DXO All around rating 81 93
DXO Color Depth rating 24.0 24.5
DXO Dynamic range rating 11.7 14.5
DXO Low light rating 2293 3295
Other
Battery life 950 pictures 290 pictures
Battery type Battery Pack Battery Pack
Battery ID LP-E6 LP-E17
Self timer Yes (2 or 10 sec) Yes
Time lapse shooting
Type of storage Compact Flash Type I (UDMA compatible), SD/SDHC/SDXC Single UHS-II SD card slot
Card slots Dual Single
Launch price $2,780 $1,499