Canon EOS R3 vs Nikon D7100

This is a full comparison between the cameras Canon EOS R3 and Nikon D7100. We compare them by looking at the categories you see below.

Manufacturing

Canon EOS R3 is manufacturered by Canon but Nikon D7100 is from Nikon. Both Canon and Nikon are well known brands though.

Canon EOS R3 were released 2021 and Nikon D7100 was released 2013. That is a 8 years difference. In tech, this period can be of interest since technology is always improving, etc.

Camera Released
Canon EOS R3 2021
Nikon D7100 2013

Type of camera

Canon EOS R3 is a Mirrorless camera while Nikon D7100 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 Nikon D7100 has a "Nikon DX"-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
Nikon D7100 75 mm
Nikon DX sensor
Crop factor/focal length multiplier by * 1.5

** 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)
Camera selection can affect the focal length (Nikon)

Resolution

Both these cameras have the exact same resolution. Canon EOS R3 has a 24 MP (Megapixels) resolution while Nikon D7100 has 24,1 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
Nikon D7100 24,1 MP
24000000 pixels
6000 x 4000

ISO range

Canon EOS R3 has a larger ISO-range than Nikon D7100. Canon EOS R3 has an ISO range that stretches from 100 to 102400 while Nikon D7100 has 100 to 6400.

Camera ISO Range
Canon EOS R3 100-102400
Nikon D7100 100-6400

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 Nikon D7100

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 Nikon D7100 can shoot up to 6 pictures per seconds.

Camera FPS (Frames per second)
Canon EOS R3 30
Nikon D7100 6

Ability to record movies

It is becoming more and more popular to record movies with digital cameras.

In this case, both Canon EOS R3 and Nikon D7100 can shoot movies.

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 50% heavier than Nikon D7100 and its 675 gr (or 1.49 lb).

Camera Weight
Canon EOS R3 1015 gr
2.24 lb
Nikon D7100 675 gr
1.49 lb

Canon EOS R3 vs Nikon D7100 Specs

Below you will find the complete and detailed technical specs for both Canon EOS R3 and Nikon D7100, 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
Nikon D7100
Name Canon EOS R3 Nikon D7100
Manufacturer Canon Nikon
Release Date and Price
Canon EOS R3
Nikon D7100
Release Year 2021 2013
Release Date 2021-04-14 2013-02-21
MSRP 5999 USD 1199 USD
Buy it today
Camera Type
Canon EOS R3
Nikon D7100
Camera Type Mirrorless DSLR
Sensor
Canon EOS R3
Nikon D7100
Sensor Size Full Frame (approx 36 x 24 mm) APS-C (approx 23.7 x 15.5 mm)
Also known as "DX"
Sensor Type Stacked CMOS CMOS
Resolution 6000 x 4000 pixels 6000 x 4000 pixels
Megapixels 24 MP 24,1 MP
Image Processor DIGIC X EXPEED 3
Image
Canon EOS R3
Nikon D7100
ISO Range 100 - 102400 100 - 6400
White Balance Presets 6 12
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
Nikon D7100
Autofocus Motor Yes Yes
Autofocus Contract Detect (sensor)
Phase Detect
Multi Area
Center
Selective Single Point
Tracking
Single
Continuous
Touch
Face Detection
LiveView
Contract Detect (sensor)
Phase Detect
Multi Area
Center
Selective Single Point
Tracking
Single
Continuous
Face Detection
LiveView
Focus Points 1053 51
Lens Mount Canon RF

See Compatible Lenses
Nikon F

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
DX / APS-C (1.5x)
1.5x multiplier
Example:
24 mm becomes 36 mm
50 mm becomes 75 mm
100 mm becomes 150 mm
200 mm becomes 300 mm
Screen & Viewfinder
Canon EOS R3
Nikon D7100
Articulated LCD Fully articulated Fixed
Screen size 3.2” 3,2”
Screen dots 4150000 1228800
Touch screen Yes No
Screen type TFT LCD Wide Viewing Angle TFT-LCD monitor
Live view Yes Yes
Viewfinder Type Electronic Optical (pentaprism)
Viewfinder Coverage 100% 100%
Viewfinder Magnification 0.76× 0.94×
Viewfinder Resolution 5760000 N/A
Photography features
Canon EOS R3
Nikon D7100
Frames per second 30 fps 6 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
Average
Exposure Compensation +/- 3 (at 1/3 EV, 1/2 EV steps) +/- 5 (at 1/3 EV, 1/2 EV steps)
Videography features
Canon EOS R3
Nikon D7100
Video recording Yes Yes
Video format MPEG4
H.264
H.265
MPEG4
H.264
Video resolution 1920 x 1080
3840 x 2160
4096 x 2160
1280 x 720
1920 x 1080
Built-in Microphone Yes Yes
Built-in Speakers Yes Yes
Storage
Canon EOS R3
Nikon D7100
Memory Card Compact Flash Express
SD/SDHC
SD/SDHC
Connectivity
Canon EOS R3
Nikon D7100
HDMI Output Yes Yes
Microphone Port Yes Yes
Headphone Port Yes Yes
Wireless Yes
Built-in (802.11ac + Bluetooth)
Yes
Wireless WR-1 and WR-R10
Remote Control Yes (via smartphone) Yes (Optional, wired MC-DC2 or wireless WR-1 and WR-R10 )
GPS Yes
Built-in
Yes
Optional
Body & Dimensions
Canon EOS R3
Nikon D7100
Enviromentally sealed Yes Yes
Battery Built-in Battery Pack
Battery Details LP-E19 lithium-ion battery & charger
Lithium-Ion EN-EL15 rechargeable battery & charger
Battery Life (CIPA) 760 shots 950 shots
Width 150 mm 136 mm
Height 143 mm 107 mm
Depth 87 mm 76 mm
Weight 1015 gram 675 gram