Nikon D90 vs Canon EOS 40D

This is a full comparison between the cameras Nikon D90 and Canon EOS 40D. We compare them by looking at the categories you see below.

Manufacturing

Nikon D90 is manufacturered by Nikon but Canon EOS 40D is from Canon. Both Nikon and Canon are well known brands though.

Nikon D90 were released 2008 and Canon EOS 40D was released 2007. That is a 1 years difference. In tech, this period can be of interest since technology is always improving, etc.

Camera Released
Nikon D90 2008
Canon EOS 40D 2007

Type of camera

Both these cameras are DSLR cameras. No difference there.

Sensors / crop factor

These cameras have different sensors. Nikon D90 has a "Nikon DX"-sensor while Canon EOS 40D 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.

Camera Focal length, 50mm f/1.8 **
Nikon D90 75 mm
Nikon DX sensor
Crop factor/focal length multiplier by * 1.5
Canon EOS 40D 80 mm
Canon APS-C sensor
Crop factor/focal length multiplier by * 1.6

** 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 D90 has a 12,3 MP (Megapixels) resolution while Canon EOS 40D has 10,1 MP. If we break down this in more detail this is the data behind the numbers:

Camera Megapixels
Nikon D90 12,3 MP
12212224 pixels
4288 x 2848
Canon EOS 40D 10,1 MP
10077696 pixels
3888 x 2592

Nikon D90 has a 21 % larger resolution than Canon EOS 40D. 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 D90 has a larger ISO-range than Canon EOS 40D. Nikon D90 has an ISO range that stretches from 200 to 6400 while Canon EOS 40D has 100 to 3200.

Camera ISO Range
Nikon D90 200-6400
Canon EOS 40D 100-3200

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 D90
Lens compatibility chart for Canon EOS 40D

Pictures per second

Depending on what you are shooting the FPS, or frames/pictures per second, can definitely be of interest. Nikon D90 can shoot up to 4,5 pictures per seconds and Canon EOS 40D can shoot up to 6,5 pictures per seconds.

Camera FPS (Frames per second)
Nikon D90 4,5
Canon EOS 40D 6,5

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 D90. Unfortunately Canon EOS 40D 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 40D weighs 822 gr (equal to 1.81 lb) which is 17% heavier than Nikon D90 and its 703 gr (or 1.55 lb).

Camera Weight
Nikon D90 703 gr
1.55 lb
Canon EOS 40D 822 gr
1.81 lb

Nikon D90 vs Canon EOS 40D Specs

Below you will find the complete and detailed technical specs for both Nikon D90 and Canon EOS 40D, 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 D90
Canon EOS 40D
Name Nikon D90 Canon EOS 40D
Manufacturer Nikon Canon
Release Date and Price
Nikon D90
Canon EOS 40D
Release Year 2008 2007
Release Date 2008-08-27 2007-08-20
MSRP 899 USD 1299 USD
Buy it today
Camera Type
Nikon D90
Canon EOS 40D
Camera Type DSLR DSLR
Sensor
Nikon D90
Canon EOS 40D
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 4288 x 2848 pixels 3888 x 2592 pixels
Megapixels 12,3 MP 10,1 MP
Image Processor Nikon LSI (Large Scale Integration) DIGIC 3
Image
Nikon D90
Canon EOS 40D
ISO Range 200 - 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 D90
Canon EOS 40D
Autofocus Motor Yes Yes
Autofocus Contract Detect (sensor)
Phase Detect
Multi Area
Selective Single Point
Single
Continuous
Face Detection
LiveView
Phase Detect
Multi Area
Selective Single Point
Single
Continuous
Focus Points 11 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 D90
Canon EOS 40D
Articulated LCD Fixed Fixed
Screen size 3” 3”
Screen dots 920000 230000
Touch screen No No
Screen type Super Density TFT color LCD with wide-viewing angle N/A
Live view Yes Yes
Viewfinder Type Optical (pentaprism) Optical (pentaprism)
Viewfinder Coverage 96% 95%
Viewfinder Magnification 0.96× (0.64× 35mm equiv.) 0.95× (0.59× 35mm equiv.)
Viewfinder Resolution N/A N/A
Photography features
Nikon D90
Canon EOS 40D
Frames per second 4,5 fps 6,5 fps
Minimum Shutter Speed 30 seconds 30 seconds
Maximum Shutter Speed 1/4000 seconds 1/8000 seconds
Built-in Flash Yes Yes
Built-in Flash Range 17 meters 12 meters
External Flash Yes Yes
Self-Timer Yes Yes
Time-lapse Yes Yes
Metering modes Multi
Center Weighted
Spot
Multi
Center Weighted
Spot
Partial
Exposure Compensation +/- 5 (at 1/3 EV, 1/2 EV steps) +/- 2 (at 1/3 EV, 1/2 EV steps)
Videography features
Nikon D90
Canon EOS 40D
Video recording Yes No
Video format MPEG4
N/A
Video resolution 1280 x 720
N/A
Built-in Microphone Yes No
Built-in Speakers Yes No
Storage
Nikon D90
Canon EOS 40D
Memory Card SD/SDHC
Compact Flash
Connectivity
Nikon D90
Canon EOS 40D
HDMI Output Yes No
Microphone Port No No
Headphone Port No No
Wireless Yes
Eye-Fi Connected
No
Remote Control Yes (Optional ML-L3 or MC-DC2)
Yes (N3 connector)
GPS Yes
Optional
No
Body & Dimensions
Nikon D90
Canon EOS 40D
Enviromentally sealed No No
Battery Battery Pack Battery Pack
Battery Details Lithium-Ion EN-EL3e rechargeable battery & charger
Litium-Ion (Li-Ion) BP-511
Battery Life (CIPA) 850 shots 800 shots
Width 132 mm 146 mm
Height 103 mm 108 mm
Depth 77 mm 74 mm
Weight 703 gram 822 gram