Canon 5D MIII vs Canon R100
55 Imaging
66 Features
74 Overall
69
76 Imaging
71 Features
70 Overall
70
Canon 5D MIII vs Canon R100 Key Specs
(Full Review)
- 22MP - Full frame Sensor
- 3.2" Fixed Display
- ISO 100 - 25600 (Push to 102400)
- 1/8000s Max Shutter
- 1920 x 1080 video
- Canon EF Mount
- 950g - 152 x 116 x 76mm
- Launched May 2012
- Old Model is Canon 5D MII
- Newer Model is Canon 5D MIV
(Full Review)
- 24MP - APS-C Sensor
- 3.00" Fixed Screen
- ISO 100 - 12800 (Increase to 25600)
- 3840 x 2160 video
- Canon RF Mount
- 356g - 116 x 86 x 69mm
- Introduced May 2023
Photography Glossary Canon 5D MIII vs Canon R100 Overview
On this page, we will be reviewing the Canon 5D MIII versus Canon R100, one being a Advanced DSLR and the latter is a Entry-Level Mirrorless and both are designed by Canon. The image resolution of the 5D MIII (22MP) and the R100 (24MP) is relatively similar but the 5D MIII (Full frame) and R100 (APS-C) provide different sensor size.
President Biden pushes bill mandating TikTok sale or banThe 5D MIII was unveiled 12 years prior to the R100 and that is quite a serious gap as far as tech is concerned. Each of the cameras have different body design with the Canon 5D MIII being a Mid-size SLR camera and the Canon R100 being a SLR-style mirrorless camera.
Before going right into a complete comparison, here is a brief view of how the 5D MIII matches up against the R100 when considering portability, imaging, features and an overall grade.
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Here is a preview of the gallery photos for Canon EOS 5D Mark III and Canon EOS R100. The full galleries are viewable at Canon 5D MIII Gallery and Canon R100 Gallery.
Reasons to pick Canon 5D MIII over the Canon R100
| 5D MIII | R100 | |||
|---|---|---|---|---|
| Screen dimensions | 3.2" | 3.00" | Bigger screen (+0.2") |
Reasons to pick Canon R100 over the Canon 5D MIII
| R100 | 5D MIII | |||
|---|---|---|---|---|
| Introduced | May 2023 | May 2012 | More recent by 133 months |
Common features in the Canon 5D MIII and Canon R100
| 5D MIII | R100 | |||
|---|---|---|---|---|
| Focus manually | More accurate focus | |||
| Screen type | Fixed | Fixed | Fixed screen | |
| Screen resolution | 1040k | 1040k | Exact same screen resolution | |
| Selfie screen | Neither comes with selfie screen | |||
| Touch friendly screen | Neither comes with Touch friendly screen |
Canon 5D MIII vs Canon R100 Physical Comparison
If you are looking to lug around your camera regularly, you will want to factor in its weight and volume. The Canon 5D MIII comes with outside dimensions of 152mm x 116mm x 76mm (6.0" x 4.6" x 3.0") with a weight of 950 grams (2.09 lbs) while the Canon R100 has sizing of 116mm x 86mm x 69mm (4.6" x 3.4" x 2.7") with a weight of 356 grams (0.78 lbs).
Check the Canon 5D MIII versus Canon R100 in the all new Camera with Lens Size Comparison Tool.
Take into account, the weight of an Interchangeable Lens Camera will differ depending on the lens you use at that moment. Following is a front view measurement comparison of the 5D MIII vs the R100.

Using size and weight, the portability score of the 5D MIII and R100 is 55 and 76 respectively.
Canon 5D MIII vs Canon R100 Sensor Comparison
In many cases, its hard to picture the contrast between sensor measurements simply by reading a spec sheet. The photograph here may provide you a far better sense of the sensor sizes in the 5D MIII and R100.
Clearly, the 2 cameras provide different megapixels and different sensor measurements. The 5D MIII with its bigger sensor is going to make achieving shallow DOF easier and the Canon R100 will offer more detail having an extra 2MP. Higher resolution can also allow you to crop photographs more aggressively. The older 5D MIII is going to be behind with regard to sensor tech.
Canon 5D MIII vs Canon R100 Screen and ViewFinder
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Canon 5D MIII vs Canon R100 Specifications
| Canon EOS 5D Mark III | Canon EOS R100 | |
|---|---|---|
| General Information | ||
| Company | Canon | Canon |
| Model | Canon EOS 5D Mark III | Canon EOS R100 |
| Type | Advanced DSLR | Entry-Level Mirrorless |
| Launched | 2012-05-22 | 2023-05-24 |
| Physical type | Mid-size SLR | SLR-style mirrorless |
| Sensor Information | ||
| Powered by | Digic 5+ | - |
| Sensor type | CMOS | CMOS |
| Sensor size | Full frame | APS-C |
| Sensor dimensions | 36 x 24mm | 22.3 x 14.9mm |
| Sensor area | 864.0mm² | 332.3mm² |
| Sensor resolution | 22MP | 24MP |
| Anti aliasing filter | ||
| Aspect ratio | 3:2 | 1:1, 4:3, 3:2 and 16:9 |
| Highest Possible resolution | 5760 x 3840 | 6000 x 4000 |
| Maximum native ISO | 25600 | 12800 |
| Maximum enhanced ISO | 102400 | 25600 |
| Min native ISO | 100 | 100 |
| RAW files | ||
| Min enhanced ISO | 50 | - |
| Autofocusing | ||
| Manual focus | ||
| Autofocus touch | ||
| Autofocus continuous | ||
| Autofocus single | ||
| Tracking autofocus | ||
| Autofocus selectice | ||
| Autofocus center weighted | ||
| Multi area autofocus | ||
| Live view autofocus | ||
| Face detect focus | ||
| Contract detect focus | ||
| Phase detect focus | ||
| Number of focus points | 61 | 3975 |
| Cross focus points | 41 | - |
| Lens | ||
| Lens mounting type | Canon EF | Canon RF |
| Number of lenses | 250 | 39 |
| Crop factor | 1 | 1.6 |
| Screen | ||
| Display type | Fixed Type | Fixed Type |
| Display sizing | 3.2" | 3.00" |
| Display resolution | 1,040 thousand dots | 1,040 thousand dots |
| Selfie friendly | ||
| Liveview | ||
| Touch friendly | ||
| Display technology | Clear View II TFT LCD | - |
| Viewfinder Information | ||
| Viewfinder type | Optical (pentaprism) | Electronic |
| Viewfinder resolution | - | 2,360 thousand dots |
| Viewfinder coverage | 100% | 100% |
| Viewfinder magnification | 0.71x | 0.59x |
| Features | ||
| Minimum shutter speed | 30 seconds | 30 seconds |
| Fastest shutter speed | 1/8000 seconds | - |
| Fastest quiet shutter speed | - | 1/4000 seconds |
| Continuous shutter rate | 6.0fps | 6.5fps |
| Shutter priority | ||
| Aperture priority | ||
| Manually set exposure | ||
| Exposure compensation | Yes | Yes |
| Custom white balance | ||
| Image stabilization | ||
| Integrated flash | ||
| Flash range | no built-in flash | 6m at ISO 100 |
| Flash modes | no built-in flash | Auto, On, Off, Red-eye |
| Hot shoe | ||
| AEB | ||
| WB bracketing | ||
| Fastest flash synchronize | 1/200 seconds | 1/250 seconds |
| 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 @ 23.98p / 120 Mbps, MP4, H.264, AAC |
| Maximum video resolution | 1920x1080 | 3840x2160 |
| Video data format | H.264 | MPEG-4, H.264 |
| Mic support | ||
| Headphone support | ||
| Connectivity | ||
| Wireless | Optional | Built-In |
| Bluetooth | ||
| NFC | ||
| HDMI | ||
| USB | USB 2.0 (480 Mbit/sec) | USB 2.0 (480 Mbit/sec) |
| GPS | Optional | None |
| Physical | ||
| Environment sealing | ||
| Water proof | ||
| Dust proof | ||
| Shock proof | ||
| Crush proof | ||
| Freeze proof | ||
| Weight | 950g (2.09 pounds) | 356g (0.78 pounds) |
| Physical dimensions | 152 x 116 x 76mm (6.0" x 4.6" x 3.0") | 116 x 86 x 69mm (4.6" x 3.4" x 2.7") |
| DXO scores | ||
| DXO Overall score | 81 | not tested |
| DXO Color Depth score | 24.0 | not tested |
| DXO Dynamic range score | 11.7 | not tested |
| DXO Low light score | 2293 | not tested |
| Other | ||
| Battery life | 950 photos | 370 photos |
| Style of battery | Battery Pack | Battery Pack |
| Battery model | LP-E6 | LP-E17 |
| Self timer | Yes (2 or 10 sec) | Yes |
| Time lapse feature | ||
| Type of storage | Compact Flash Type I (UDMA compatible), SD/SDHC/SDXC | SD/SDHC/SDXC slot (UHS-I compatible) |
| Card slots | Dual | 1 |
| Retail price | $2,780 | $479 |