Canon 5D MIII vs Canon R8
55 Imaging
66 Features
74 Overall
69
71 Imaging
77 Features
85 Overall
80
Canon 5D MIII vs Canon R8 Key Specs
(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
(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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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).
Pentax 17 Pre-Orders Outperform Expectations by a LandslideThe 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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Here is a preview of the gallery images for Canon EOS 5D Mark III and Canon EOS R8. The entire galleries are available at Canon 5D MIII Gallery and Canon R8 Gallery.
Reasons to pick Canon 5D MIII over the Canon R8
| 5D MIII | R8 | |||
|---|---|---|---|---|
| Screen sizing | 3.2" | 3.00" | Bigger screen (+0.2") |
Reasons to pick Canon R8 over the Canon 5D MIII
| R8 | 5D MIII | |||
|---|---|---|---|---|
| Revealed | February 2023 | May 2012 | More recent by 130 months | |
| Screen type | Fully Articulated | Fixed | Fully Articulating screen | |
| Screen resolution | 1620k | 1040k | Sharper 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.
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.

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 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 Screen and ViewFinder
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Canon 5D MIII vs Canon R8 Specifications
| Canon EOS 5D Mark III | Canon 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 |