Nikon D4s vs Nikon D40x

This is a full comparison between the cameras Nikon D4s and Nikon D40x. We compare them by looking at the categories you see below.

Manufacturing

These cameras are both manufactured by Nikon.

Nikon D4s were released 2014 and Nikon D40x was released 2007. That is a 7 years difference. In tech, this period can be of interest since technology is always improving, etc.

Camera Released
Nikon D4s 2014
Nikon D40x 2007

Type of camera

Both these cameras are DSLR cameras. No difference there.

Sensors / crop factor

These cameras have different sensors. Nikon D4s has a "Nikon FX"-sensor while Nikon D40x has a "Nikon DX"-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 D4s 50 mm
Full-frame sensor
No crop factor/focal length multiplier
Nikon D40x 75 mm
Nikon DX sensor
Crop factor/focal length multiplier by * 1.5

** 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 D4s has a 16 MP (Megapixels) resolution while Nikon D40x has 10 MP. If we break down this in more detail this is the data behind the numbers:

Camera Megapixels
Nikon D4s 16 MP
16163840 pixels
4928 x 3280
Nikon D40x 10 MP
10036224 pixels
3872 x 2592

Nikon D4s has a 61 % larger resolution than Nikon D40x. 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 D4s has a larger ISO-range than Nikon D40x. Nikon D4s has an ISO range that stretches from 100 to 25600 while Nikon D40x has 100 to 3200.

Camera ISO Range
Nikon D4s 100-25600
Nikon D40x 100-3200

Autofocus and lens compatibility

There is a big difference between these two cameras. Nikon D4s has a built-in autofocus motor but Nikon D40x does not. If you want to be able to use autofocus on Nikon D40x 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 D4s
Lens compatibility chart for Nikon D40x

Pictures per second

Depending on what you are shooting the FPS, or frames/pictures per second, can definitely be of interest. Nikon D4s can shoot up to 11 pictures per seconds and Nikon D40x can shoot up to 3 pictures per seconds.

Camera FPS (Frames per second)
Nikon D4s 11
Nikon D40x 3

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 D4s. Unfortunately Nikon D40x 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 D4s weighs 1350 gr (equal to 2.98 lb) which is 159% heavier than Nikon D40x and its 522 gr (or 1.15 lb).

Camera Weight
Nikon D4s 1350 gr
2.98 lb
Nikon D40x 522 gr
1.15 lb

Nikon D4s vs Nikon D40x Specs

Below you will find the complete and detailed technical specs for both Nikon D4s and Nikon D40x, 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 D4s
Nikon D40x
Name Nikon D4s Nikon D40x
Manufacturer Nikon Nikon
Release Date and Price
Nikon D4s
Nikon D40x
Release Year 2014 2007
Release Date 2014-02-25 2007-03-06
MSRP 6499 USD 729 USD
Buy it today
Camera Type
Nikon D4s
Nikon D40x
Camera Type DSLR DSLR
Sensor
Nikon D4s
Nikon D40x
Sensor Size Full Frame (approx 36 x 23.9 mm)
Also known as "FX"
APS-C (approx 23.7 x 15.5 mm)
Also known as "DX"
Sensor Type CMOS CCD
Resolution 4928 x 3280 pixels 3872 x 2592 pixels
Megapixels 16 MP 10 MP
Image Processor EXPEED 4 EXPEED
Image
Nikon D4s
Nikon D40x
ISO Range 100 - 25600 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 D4s
Nikon D40x
Autofocus Motor Yes No
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 3
Lens Mount Nikon F

See Compatible Lenses
Nikon F

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
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
Screen & Viewfinder
Nikon D4s
Nikon D40x
Articulated LCD Fixed Fixed
Screen size 3.2” 2,5”
Screen dots 921000 230000
Touch screen No No
Screen type TFT LCD with brightness and color adjustment N/A
Live view Yes No
Viewfinder Type Optical (pentaprism) Optical (pentamirror)
Viewfinder Coverage 100% 95%
Viewfinder Magnification 0.7× 0.8× (0.53× 35mm equiv.)
Viewfinder Resolution N/A N/A
Photography features
Nikon D4s
Nikon D40x
Frames per second 11 fps 3 fps
Minimum Shutter Speed 30 seconds 30 seconds
Maximum Shutter Speed 1/8000 seconds 1/4000 seconds
Built-in Flash No Yes
Built-in Flash Range N/A 17 meters
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, 1/2 EV, 1 EV steps) +/- 5 (at 1/3 EV steps)
Videography features
Nikon D4s
Nikon D40x
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 D4s
Nikon D40x
Memory Card Compact Flash
XQD
SD/SDHC
Connectivity
Nikon D4s
Nikon D40x
HDMI Output Yes No
Microphone Port Yes No
Headphone Port Yes No
Wireless Yes
Optional via WT-5A or WT-4A
No
Remote Control Yes (wired or wireless) Yes (Optional (ML-L3))
GPS Yes
Optional via GP-1A
No
Body & Dimensions
Nikon D4s
Nikon D40x
Enviromentally sealed Yes No
Battery Battery Pack Battery Pack
Battery Details Lithium-Ion EN-EL18a rechargeable battery & charger
Nikon EN-EL9 Lithium-Ion & charger included
Battery Life (CIPA) 3020 shots 520 shots
Width 160 mm 124 mm
Height 157 mm 94 mm
Depth 91 mm 64 mm
Weight 1350 gram 522 gram