Nikon D810A vs Canon EOS 40D

This is a full comparison between the cameras Nikon D810A and Canon EOS 40D. We compare them by looking at the categories you see below.

Manufacturing

Nikon D810A is manufacturered by Nikon but Canon EOS 40D is from Canon. Both Nikon and Canon are well known brands though.

Nikon D810A were released 2015 and Canon EOS 40D was released 2007. That is a 8 years difference. In tech, this period can be of interest since technology is always improving, etc.

Camera Released
Nikon D810A 2015
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 D810A has a "Nikon FX"-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 D810A 50 mm
Full-frame sensor
No crop factor/focal length multiplier
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 D810A has a 36 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 D810A 36 MP
36152320 pixels
7360 x 4912
Canon EOS 40D 10,1 MP
10077696 pixels
3888 x 2592

Nikon D810A has a 259 % 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 D810A has a larger ISO-range than Canon EOS 40D. Nikon D810A has an ISO range that stretches from 200 to 12800 while Canon EOS 40D has 100 to 3200.

Camera ISO Range
Nikon D810A 200-12800
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 D810A
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 D810A can shoot up to 5 pictures per seconds and Canon EOS 40D can shoot up to 6,5 pictures per seconds.

Camera FPS (Frames per second)
Nikon D810A 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 D810A. 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.

Nikon D810A weighs 880 gr (equal to 1.94 lb) which is 7% heavier than Canon EOS 40D and its 822 gr (or 1.81 lb).

Camera Weight
Nikon D810A 880 gr
1.94 lb
Canon EOS 40D 822 gr
1.81 lb

Nikon D810A vs Canon EOS 40D Specs

Below you will find the complete and detailed technical specs for both Nikon D810A 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 D810A
Canon EOS 40D
Name Nikon D810A Canon EOS 40D
Manufacturer Nikon Canon
Release Date and Price
Nikon D810A
Canon EOS 40D
Release Year 2015 2007
Release Date 2015-02-10 2007-08-20
MSRP 3799 USD 1299 USD
Buy it today
Camera Type
Nikon D810A
Canon EOS 40D
Camera Type DSLR DSLR
Sensor
Nikon D810A
Canon EOS 40D
Sensor Size Full Frame (approx 36 x 23.9 mm)
Also known as "FX"
APS-C (approx 22.3 x 14.9 mm)
Sensor Type CMOS CMOS
Resolution 7360 x 4912 pixels 3888 x 2592 pixels
Megapixels 36 MP 10,1 MP
Image Processor EXPEED 4 DIGIC 3
Image
Nikon D810A
Canon EOS 40D
ISO Range 200 - 12800 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 + TIFF RAW
Optics & Focus
Nikon D810A
Canon EOS 40D
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 FX (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
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 D810A
Canon EOS 40D
Articulated LCD Fixed Fixed
Screen size 3.2” 3”
Screen dots 1229000 230000
Touch screen No No
Screen type TFT-LCD (RGBW) N/A
Live view Yes Yes
Viewfinder Type Optical (tunnel) Optical (pentaprism)
Viewfinder Coverage 100% 95%
Viewfinder Magnification 0.7× 0.95× (0.59× 35mm equiv.)
Viewfinder Resolution N/A N/A
Photography features
Nikon D810A
Canon EOS 40D
Frames per second 5 fps 6,5 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
Highlight Weighted
Spot
Multi
Center Weighted
Spot
Partial
Exposure Compensation +/- 5 (at 1/3 EV, 1/2 EV, 1 EV steps) +/- 2 (at 1/3 EV, 1/2 EV steps)
Videography features
Nikon D810A
Canon EOS 40D
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 D810A
Canon EOS 40D
Memory Card Compact Flash
SD/SDHC
Compact Flash
Connectivity
Nikon D810A
Canon EOS 40D
HDMI Output Yes No
Microphone Port Yes No
Headphone Port Yes No
Wireless Yes
Optional via WT-5A or Eye-Fi
No
Remote Control Yes Yes (N3 connector)
GPS Yes
Optional via GP-1 or GP-1A
No
Body & Dimensions
Nikon D810A
Canon EOS 40D
Enviromentally sealed Yes No
Battery Battery Pack Battery Pack
Battery Details EN-EL15 lithium-ion battery & charger
Litium-Ion (Li-Ion) BP-511
Battery Life (CIPA) 1200 shots 800 shots
Width 146 mm 146 mm
Height 123 mm 108 mm
Depth 82 mm 74 mm
Weight 880 gram 822 gram