Nikon D40 vs Nikon D3x

This is a full comparison between the cameras Nikon D40 and Nikon D3x. We compare them by looking at the categories you see below.

Manufacturing

These cameras are both manufactured by Nikon.

Nikon D40 were released 2006 and Nikon D3x was released 2008. That is a 2 years difference. In tech, this period can be of interest since technology is always improving, etc.

Camera Released
Nikon D40 2006
Nikon D3x 2008

Type of camera

Both these cameras are DSLR cameras. No difference there.

Sensors / crop factor

These cameras have different sensors. Nikon D40 has a "Nikon DX"-sensor while Nikon D3x has a "Nikon FX"-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 D40 75 mm
Nikon DX sensor
Crop factor/focal length multiplier by * 1.5
Nikon D3x 50 mm
Full-frame sensor
No crop factor/focal length multiplier

** 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)

Resolution

Nikon D40 has a 6 MP (Megapixels) resolution while Nikon D3x has 24,5 MP. If we break down this in more detail this is the data behind the numbers:

Camera Megapixels
Nikon D40 6 MP
6016000 pixels
3008 x 2000
Nikon D3x 24,5 MP
24385536 pixels
6048 x 4032

Nikon D3x has a 305 % larger resolution than Nikon D40. 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 D3x has a larger ISO-range than Nikon D40. Nikon D3x has an ISO range that stretches from 100 to 6400 while Nikon D40 has 200 to 3200.

Camera ISO Range
Nikon D40 200-3200
Nikon D3x 100-6400

Autofocus and lens compatibility

There is a big difference between these two cameras. Nikon D3x has a built-in autofocus motor but Nikon D40 does not. If you want to be able to use autofocus on Nikon D40 there is a need for having an autofocus motor inside the lens. We really encourage you to look closely at our lens compatibility charts at the links below.

Here is a complete overview of which lenses work with each camera:
Lens compatibility chart for Nikon D40
Lens compatibility chart for Nikon D3x

Pictures per second

Depending on what you are shooting the FPS, or frames/pictures per second, can definitely be of interest. Nikon D40 can shoot up to 2,5 pictures per seconds and Nikon D3x can shoot up to 5 pictures per seconds.

Camera FPS (Frames per second)
Nikon D40 2,5
Nikon D3x 5

Ability to record movies

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

Though, neither Nikon D40 or Nikon D3x can shoot movies so if that is a functionality that you are really looking for you should look elsewhere.

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 D3x weighs 1260 gr (equal to 2.78 lb) which is 141% heavier than Nikon D40 and its 522 gr (or 1.15 lb).

Camera Weight
Nikon D40 522 gr
1.15 lb
Nikon D3x 1260 gr
2.78 lb

Nikon D40 vs Nikon D3x Specs

Below you will find the complete and detailed technical specs for both Nikon D40 and Nikon D3x, 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 D40
Nikon D3x
Name Nikon D40 Nikon D3x
Manufacturer Nikon Nikon
Release Date and Price
Nikon D40
Nikon D3x
Release Year 2006 2008
Release Date 2006-11-16 2008-12-01
MSRP 729 USD 7470 USD
Buy it today
Camera Type
Nikon D40
Nikon D3x
Camera Type DSLR DSLR
Sensor
Nikon D40
Nikon D3x
Sensor Size APS-C (approx 23.7 x 15.5 mm)
Also known as "DX"
Full Frame (approx 36 x 23.9 mm)
Also known as "FX"
Sensor Type CCD CMOS
Resolution 3008 x 2000 pixels 6048 x 4032 pixels
Megapixels 6 MP 24,5 MP
Image Processor EXPEED EXPEED
Image
Nikon D40
Nikon D3x
ISO Range 200 - 3200 100 - 6400
White Balance Presets 6 12
Custom White Balance Yes Yes
Image Stabilization No No
Image Stabilization CIPA Rating 0 stops 0 stops
Uncompressed format RAW RAW + TIFF
Optics & Focus
Nikon D40
Nikon D3x
Autofocus Motor No Yes
Autofocus Phase Detect
Multi Area
Selective Single Point
Single
Continuous
Contract Detect (sensor)
Phase Detect
Multi Area
Selective Single Point
Single
Continuous
LiveView
Focus Points 3 51
Lens Mount Nikon F

See Compatible Lenses
Nikon F

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
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
Screen & Viewfinder
Nikon D40
Nikon D3x
Articulated LCD Fixed Fixed
Screen size 2,5” 3”
Screen dots 230000 920000
Touch screen No No
Screen type N/A Super Density TFT color LCD with wide-viewing angle
Live view No Yes
Viewfinder Type Optical (pentamirror) Optical (pentaprism)
Viewfinder Coverage 95% 100%
Viewfinder Magnification 0.8× (0.53× 35mm equiv.) 0.7×
Viewfinder Resolution N/A N/A
Photography features
Nikon D40
Nikon D3x
Frames per second 2,5 fps 5 fps
Minimum Shutter Speed 30 seconds 30 seconds
Maximum Shutter Speed 1/4000 seconds 1/8000 seconds
Built-in Flash Yes No
Built-in Flash Range 17 meters N/A
External Flash Yes Yes
Self-Timer Yes Yes
Time-lapse Yes Yes
Metering modes Multi
Center Weighted
Spot
Multi
Center Weighted
Spot
Exposure Compensation +/- 5 (at 1/3 EV steps) +/- 5 (at 1/3 EV, 1/2 EV, 1 EV steps)
Videography features
Nikon D40
Nikon D3x
Video recording No No
Video format N/A N/A
Video resolution N/A N/A
Built-in Microphone No No
Built-in Speakers No No
Storage
Nikon D40
Nikon D3x
Memory Card SD/SDHC
Compact Flash
Connectivity
Nikon D40
Nikon D3x
HDMI Output No Yes
Microphone Port No No
Headphone Port No No
Wireless No No
Remote Control Yes (Optional (ML-L3))
Yes
GPS No Yes
Optional through GP-1
Body & Dimensions
Nikon D40
Nikon D3x
Enviromentally sealed No Yes
Battery Battery Pack Battery Pack
Battery Details Nikon EN-EL9 Lithium-Ion & charger included
Lithium-Ion EN-EL4a rechargeable battery & charger
Battery Life (CIPA) 470 shots 4400 shots
Width 124 mm 160 mm
Height 94 mm 157 mm
Depth 64 mm 88 mm
Weight 522 gram 1260 gram