Nikon D850 vs Canon EOS 40D

This is a full comparison between the cameras Nikon D850 and Canon EOS 40D. We compare them by looking at the categories you see below.

Manufacturing

Nikon D850 is manufacturered by Nikon but Canon EOS 40D is from Canon. Both Nikon and Canon are well known brands though.

Nikon D850 were released 2017 and Canon EOS 40D was released 2007. That is a 10 years difference. In tech, this period can be of interest since technology is always improving, etc.

Camera Released
Nikon D850 2017
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 D850 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 D850 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 D850 has a 46 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 D850 46 MP
45441024 pixels
8256 x 5504
Canon EOS 40D 10,1 MP
10077696 pixels
3888 x 2592

Nikon D850 has a 351 % 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 D850 has a larger ISO-range than Canon EOS 40D. Nikon D850 has an ISO range that stretches from 64 to 25600 while Canon EOS 40D has 100 to 3200.

Camera ISO Range
Nikon D850 64-25600
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 D850
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 D850 can shoot up to 9 pictures per seconds and Canon EOS 40D can shoot up to 6,5 pictures per seconds.

Camera FPS (Frames per second)
Nikon D850 9
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 D850. 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 D850 weighs 1005 gr (equal to 2.22 lb) which is 22% heavier than Canon EOS 40D and its 822 gr (or 1.81 lb).

Camera Weight
Nikon D850 1005 gr
2.22 lb
Canon EOS 40D 822 gr
1.81 lb

Nikon D850 vs Canon EOS 40D Specs

Below you will find the complete and detailed technical specs for both Nikon D850 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 D850
Canon EOS 40D
Name Nikon D850 Canon EOS 40D
Manufacturer Nikon Canon
Release Date and Price
Nikon D850
Canon EOS 40D
Release Year 2017 2007
Release Date 2017-07-25 2007-08-20
MSRP 3299 USD 1299 USD
Buy it today
Camera Type
Nikon D850
Canon EOS 40D
Camera Type DSLR DSLR
Sensor
Nikon D850
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 BSI-CMOS CMOS
Resolution 8256 x 5504 pixels 3888 x 2592 pixels
Megapixels 46 MP 10,1 MP
Image Processor EXPEED 5 DIGIC 3
Image
Nikon D850
Canon EOS 40D
ISO Range 64 - 25600 100 - 3200
White Balance Presets 14 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 D850
Canon EOS 40D
Autofocus Motor Yes Yes
Autofocus Contract Detect (sensor)
Phase Detect
Multi Area
Center
Selective Single Point
Tracking
Single
Continuous
Touch
Face Detection
LiveView
Phase Detect
Multi Area
Selective Single Point
Single
Continuous
Focus Points 151 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 D850
Canon EOS 40D
Articulated LCD Tilting Fixed
Screen size 3.2” 3”
Screen dots 2359000 230000
Touch screen Yes No
Screen type TFT LCD N/A
Live view Yes Yes
Viewfinder Type Optical (pentaprism) Optical (pentaprism)
Viewfinder Coverage 100% 95%
Viewfinder Magnification 0.75× 0.95× (0.59× 35mm equiv.)
Viewfinder Resolution 0 N/A
Photography features
Nikon D850
Canon EOS 40D
Frames per second 9 fps 6,5 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
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 D850
Canon EOS 40D
Video recording Yes No
Video format MPEG4
N/A
Video resolution 1280 x 720
1920 x 1080
3840 x 2160
N/A
Built-in Microphone Yes No
Built-in Speakers Yes No
Storage
Nikon D850
Canon EOS 40D
Memory Card SD/SDHC
XQD
Compact Flash
Connectivity
Nikon D850
Canon EOS 40D
HDMI Output Yes No
Microphone Port Yes No
Headphone Port Yes No
Wireless Yes
Built-In ( 802.11b/g + NFC + Bluetooth 4.1 LE)
No
Remote Control Yes (wired, wireless, smartphone) Yes (N3 connector)
GPS No No
Body & Dimensions
Nikon D850
Canon EOS 40D
Enviromentally sealed Yes No
Battery Battery Pack Battery Pack
Battery Details EN-EL15a lithium-ion battery & charger
Litium-Ion (Li-Ion) BP-511
Battery Life (CIPA) 1840 shots 800 shots
Width 146 mm 146 mm
Height 124 mm 108 mm
Depth 79 mm 74 mm
Weight 1005 gram 822 gram