Nikon D7100 vs Canon EOS 20D

This is a full comparison between the cameras Nikon D7100 and Canon EOS 20D. We compare them by looking at the categories you see below.

Manufacturing

Nikon D7100 is manufacturered by Nikon but Canon EOS 20D is from Canon. Both Nikon and Canon are well known brands though.

Type of camera

Both these cameras are DSLR cameras. No difference there.

Sensors / crop factor

These cameras have different sensors. Nikon D7100 has a "Nikon DX"-sensor while Canon EOS 20D has a "Canon APS-C"-sensor, and their difference in sensors will also affect the crop factor and experience focal length. See the table below.

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

Resolution

Nikon D7100 has a 24,1 MP (Megapixels) resolution while Canon EOS 20D has 8,2 MP. If we break down this in more detail this is the data behind the numbers:

Nikon D7100 has a 193 % larger resolution than Canon EOS 20D. This could give you more details in the picture but also a possibility to crop more in the pictures, afterward while editing the pictures, if needed that is.

ISO range

Nikon D7100 has a larger ISO-range than Canon EOS 20D. Nikon D7100 has an ISO range that stretches from 100 to 6400 while Canon EOS 20D has 100 to 3200.

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.

Here is a complete overview of which lenses work with each camera:
Lens compatibility chart for Nikon D7100
Lens compatibility chart for Canon EOS 20D

Pictures per second

Depending on what you are shooting the FPS, or frames/pictures per second, can definitely be of interest. Nikon D7100 can shoot up to 6 pictures per seconds and Canon EOS 20D can shoot up to 5 pictures per seconds.

Ability to record movies

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

When comparing these two cameras there is only one of them that can shoot movies and that is Nikon D7100. Unfortunately Canon EOS 20D does not support recording movies and movie clips.

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 20D weighs 770 gr (equal to 1.7 lb) which is 14% heavier than Nikon D7100 and its 675 gr (or 1.49 lb).

Nikon D7100 vs Canon EOS 20D Specs

Below you will find the complete and detailed technical specs for both Nikon D7100 and Canon EOS 20D, 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	Nikon D7100	Canon EOS 20D
Name	Nikon D7100	Canon EOS 20D
Manufacturer	Nikon	Canon
Release Date and Price	Nikon D7100	Canon EOS 20D
Release Year	2013	2004
Release Date	2013-02-21	2004-08-19
MSRP	1199 USD	1499 USD
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Camera Type	Nikon D7100	Canon EOS 20D
Camera Type	DSLR	DSLR
Sensor	Nikon D7100	Canon EOS 20D
Sensor Size	APS-C (approx 23.7 x 15.5 mm) Also known as "DX"	APS-C (approx 22.3 x 14.9 mm)
Sensor Type	CMOS	CMOS
Resolution	6000 x 4000 pixels	3504 x 2336 pixels
Megapixels	24,1 MP	8,2 MP
Image Processor	EXPEED 3	DIGIC 2
Image	Nikon D7100	Canon EOS 20D
ISO Range	100 - 6400	100 - 3200
White Balance Presets	12	6
Custom White Balance	Yes	Yes
Image Stabilization	No	No
Image Stabilization CIPA Rating	0 stops	0 stops
Uncompressed format	RAW	RAW
Optics & Focus	Nikon D7100	Canon EOS 20D
Autofocus Motor	Yes	Yes
Autofocus	Contract Detect (sensor) Phase Detect Multi Area Center Selective Single Point Tracking Single Continuous Face Detection LiveView	Phase Detect Multi Area Selective Single Point Single Continuous
Focus Points	51	9
Lens Mount	Nikon F See Compatible Lenses	Canon EF Canon EF-S See Compatible Lenses
Focal Length Multiplier	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	APS-C Sensor 1.6x multiplier Example: 24 mm becomes 38 mm 50 mm becomes 80 mm 100 mm becomes 160 mm 200 mm becomes 320 mm
Screen & Viewfinder	Nikon D7100	Canon EOS 20D
Articulated LCD	Fixed	Fixed
Screen size	3,2”	1,8”
Screen dots	1228800	118000
Touch screen	No	No
Screen type	Wide Viewing Angle TFT-LCD monitor	N/A
Live view	Yes	No
Viewfinder Type	Optical (pentaprism)	Optical (pentaprism)
Viewfinder Coverage	100%	95%
Viewfinder Magnification	0.94×	0.9× (0.56× 35mm equiv.)
Viewfinder Resolution	N/A	N/A
Photography features	Nikon D7100	Canon EOS 20D
Frames per second	6 fps	5 fps
Minimum Shutter Speed	30 seconds	30 seconds
Maximum Shutter Speed	1/8000 seconds	1/8000 seconds
Built-in Flash	Yes	Yes
Built-in Flash Range	12 meters	12 meters
External Flash	Yes	Yes
Self-Timer	Yes	Yes
Time-lapse	Yes	Yes
Metering modes	Multi Center Weighted Spot Average	Multi Center Weighted Partial
Exposure Compensation	+/- 5 (at 1/3 EV, 1/2 EV steps)	+/- 2 (at 1/3 EV, 1/2 EV steps)
Videography features	Nikon D7100	Canon EOS 20D
Video recording	Yes	No
Video format	MPEG4 H.264	N/A
Video resolution	1280 x 720 1920 x 1080	N/A
Built-in Microphone	Yes	No
Built-in Speakers	Yes	No
Storage	Nikon D7100	Canon EOS 20D
Memory Card	SD/SDHC	Compact Flash
Connectivity	Nikon D7100	Canon EOS 20D
HDMI Output	Yes	No
Microphone Port	Yes	No
Headphone Port	Yes	No
Wireless	Yes Wireless WR-1 and WR-R10	No
Remote Control	Yes (Optional, wired MC-DC2 or wireless WR-1 and WR-R10 )	Yes (N3 connector)
GPS	Yes Optional	No
Body & Dimensions	Nikon D7100	Canon EOS 20D
Enviromentally sealed	Yes	No
Battery	Battery Pack	Battery Pack
Battery Details	Lithium-Ion EN-EL15 rechargeable battery & charger	BP-511A Lithium-Ion battery pack
Battery Life (CIPA)	950 shots	700 shots
Width	136 mm	144 mm
Height	107 mm	106 mm
Depth	76 mm	72 mm
Weight	675 gram	770 gram