Nikon D7100 vs Nikon D40x

This is a full comparison between the cameras Nikon D7100 and Nikon D40x. We compare them by looking at the categories you see below.

Manufacturing

These cameras are both manufactured by Nikon.

Type of camera

Both these cameras are DSLR cameras. No difference there.

Sensors / crop factor

Both these cameras have the same sorts of sensor (called "Nikon DX") which means that if you compare these cameras side by side the lenses will also have the same experienced focal length. Neither of the cameras has a Full frame sensor which means that you will get a "crop factor" where the camera's sensor size affect the focal length with a 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 D7100 has a 24,1 MP (Megapixels) resolution while Nikon D40x has 10 MP. If we break down this in more detail this is the data behind the numbers:

Nikon D7100 has a 139 % 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 D7100 has a larger ISO-range than Nikon D40x. Nikon D7100 has an ISO range that stretches from 100 to 6400 while Nikon D40x has 100 to 3200.

Autofocus and lens compatibility

There is a big difference between these two cameras. Nikon D7100 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 D7100
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 D7100 can shoot up to 6 pictures per seconds and Nikon D40x can shoot up to 3 pictures per seconds.

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 D7100. 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 D7100 weighs 675 gr (equal to 1.49 lb) which is 29% heavier than Nikon D40x and its 522 gr (or 1.15 lb).

Nikon D7100 vs Nikon D40x Specs

Below you will find the complete and detailed technical specs for both Nikon D7100 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 D7100	Nikon D40x
Name	Nikon D7100	Nikon D40x
Manufacturer	Nikon	Nikon
Release Date and Price	Nikon D7100	Nikon D40x
Release Year	2013	2007
Release Date	2013-02-21	2007-03-06
MSRP	1199 USD	729 USD
Buy it today
Camera Type	Nikon D7100	Nikon D40x
Camera Type	DSLR	DSLR
Sensor	Nikon D7100	Nikon D40x
Sensor Size	APS-C (approx 23.7 x 15.5 mm) Also known as "DX"	APS-C (approx 23.7 x 15.5 mm) Also known as "DX"
Sensor Type	CMOS	CCD
Resolution	6000 x 4000 pixels	3872 x 2592 pixels
Megapixels	24,1 MP	10 MP
Image Processor	EXPEED 3	EXPEED
Image	Nikon D7100	Nikon D40x
ISO Range	100 - 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 D7100	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	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	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 D7100	Nikon D40x
Articulated LCD	Fixed	Fixed
Screen size	3,2”	2,5”
Screen dots	1228800	230000
Touch screen	No	No
Screen type	Wide Viewing Angle TFT-LCD monitor	N/A
Live view	Yes	No
Viewfinder Type	Optical (pentaprism)	Optical (pentamirror)
Viewfinder Coverage	100%	95%
Viewfinder Magnification	0.94×	0.8× (0.53× 35mm equiv.)
Viewfinder Resolution	N/A	N/A
Photography features	Nikon D7100	Nikon D40x
Frames per second	6 fps	3 fps
Minimum Shutter Speed	30 seconds	30 seconds
Maximum Shutter Speed	1/8000 seconds	1/4000 seconds
Built-in Flash	Yes	Yes
Built-in Flash Range	12 meters	17 meters
External Flash	Yes	Yes
Self-Timer	Yes	Yes
Time-lapse	Yes	Yes
Metering modes	Multi Center Weighted Spot Average	Multi Center Weighted Spot
Exposure Compensation	+/- 5 (at 1/3 EV, 1/2 EV steps)	+/- 5 (at 1/3 EV steps)
Videography features	Nikon D7100	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 D7100	Nikon D40x
Memory Card	SD/SDHC	SD/SDHC
Connectivity	Nikon D7100	Nikon D40x
HDMI Output	Yes	No
Microphone Port	Yes	No
Headphone Port	Yes	No
Wireless	Yes Wireless WR-1 and WR-R10	No
Remote Control	Yes (Optional, wired MC-DC2 or wireless WR-1 and WR-R10 )	Yes (Optional (ML-L3))
GPS	Yes Optional	No
Body & Dimensions	Nikon D7100	Nikon D40x
Enviromentally sealed	Yes	No
Battery	Battery Pack	Battery Pack
Battery Details	Lithium-Ion EN-EL15 rechargeable battery & charger	Nikon EN-EL9 Lithium-Ion & charger included
Battery Life (CIPA)	950 shots	520 shots
Width	136 mm	124 mm
Height	107 mm	94 mm
Depth	76 mm	64 mm
Weight	675 gram	522 gram