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Nikon D40X vs Pentax K100D

Portability
71
Imaging
49
Features
33
Overall
42
Nikon D40X front
 
Pentax K100D front
Portability
64
Imaging
45
Features
36
Overall
41

Nikon D40X vs Pentax K100D Key Specs

Nikon D40X
(Full Review)
  • 10MP - APS-C Sensor
  • 2.5" Fixed Screen
  • ISO 100 - 1600 (Push to 3200)
  • No Video
  • Nikon F Mount
  • 522g - 124 x 94 x 64mm
  • Revealed May 2007
  • Old Model is Nikon D50
  • Refreshed by Nikon D60
Pentax K100D
(Full Review)
  • 6MP - APS-C Sensor
  • 2.5" Fixed Screen
  • ISO 200 - 3200
  • Sensor based Image Stabilization
  • No Video
  • Pentax KAF Mount
  • 660g - 129 x 93 x 70mm
  • Announced December 2006
  • Replacement is Pentax K100D S
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Nikon D40X vs Pentax K100D Overview

Here is a in-depth assessment of the Nikon D40X versus Pentax K100D, both Entry-Level DSLR cameras by companies Nikon and Pentax. There exists a substantial gap among the sensor resolutions of the D40X (10MP) and K100D (6MP) but they feature the exact same sensor dimensions (APS-C).

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The D40X was revealed 6 months later than the K100D which means that they are both of a similar age. Both of the cameras come with the identical body type (Compact SLR).

Before delving straight into a full comparison, below is a quick synopsis of how the D40X matches up against the K100D for portability, imaging, features and an overall rating.

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Reasons to pick Nikon D40X over the Pentax K100D

 D40X K100D 
Screen resolution230k210kClearer screen (+20k dot)

Reasons to pick Pentax K100D over the Nikon D40X

 K100D D40X 

Common features in the Nikon D40X and Pentax K100D

 D40X K100D 
AnnouncedMay 2007December 2006Same age
Focus manually Very precise focus
Screen typeFixed Fixed Fixed screen
Screen dimension2.5"2.5"Identical screen sizing
Selfie screen Neither includes selfie screen
Touch screen Neither includes Touch screen

Nikon D40X vs Pentax K100D Physical Comparison

When you are planning to carry your camera often, you have to think about its weight and dimensions. The Nikon D40X features outer dimensions of 124mm x 94mm x 64mm (4.9" x 3.7" x 2.5") having a weight of 522 grams (1.15 lbs) while the Pentax K100D has dimensions of 129mm x 93mm x 70mm (5.1" x 3.7" x 2.8") accompanied by a weight of 660 grams (1.46 lbs).

Take a look at the Nikon D40X versus Pentax K100D in our brand new Camera plus Lens Size Comparison Tool. Camera Size Comparison with Lenses

Keep in mind, the weight of an ILC will differ based on the lens you are using at the time. Underneath is the front view physical size comparison of the D40X and the K100D.

Nikon D40X vs Pentax K100D size comparison

Taking into consideration dimensions and weight, the portability score of the D40X and K100D is 71 and 64 respectively.

Nikon D40X vs Pentax K100D top view buttons comparison

Nikon D40X vs Pentax K100D Sensor Comparison

Normally, its difficult to envision the gap in sensor sizing just by researching technical specs. The photograph underneath will help offer you a stronger sense of the sensor dimensions in the D40X and K100D.

As you have seen, the two cameras have got the exact same sensor measurements albeit not the same megapixels. You can count on the Nikon D40X to result in greater detail because of its extra 4 Megapixels. Higher resolution will also allow you to crop photographs much more aggressively.

Nikon D40X vs Pentax K100D sensor size comparison

Nikon D40X vs Pentax K100D Screen and ViewFinder

Nikon D40X vs Pentax K100D Screen and Viewfinder comparison
Photography Glossary

Photography Type Scores

Portrait Comparison

Nikon D40X Portrait photography advice
Pentax K100D Portrait photography advice
53
has manual focus
sensor size is decent (APS-C)
exports RAW formats
doesn't have liveview
resolution not great (10MP)
51
has manual focus
sensor size is decent (APS-C)
delivers RAW files
doesn't have liveview
megapixel count low (6 megapixels)
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Street Comparison

Nikon D40X as a Street photography camera
Pentax K100D as a Street photography camera
58
sensor size is decent (APS-C)
exports RAW formats
screen does not articulate
lack of image stabilization
58
image stabilization (Sensor based)
sensor size is decent (APS-C)
delivers RAW files
fixed screen
heavier than competition in class (660g)
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Sports Comparison

Nikon D40X Sports photography details
Pentax K100D Sports photography details
41
sensor size is decent (APS-C)
sensor has phase detect AF
doesn't have liveview
slow frames per second (3.0 fps)
lack of image stabilization
resolution not great (10MP)
47
image stabilization (Sensor based)
sensor size is decent (APS-C)
comes with phase detect auto focus
doesn't have liveview
max fps very slow (3.0 frames/s)
megapixel count low (6 megapixels)
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Travel Comparison

Nikon D40X Travel photography information
Pentax K100D Travel photography information
48
built-in flash
no Time Lapse function
resolution not great (10 megapixels)
display is not selfie friendly
42
built-in flash
does not have Time Lapse mode
heavier than competition in class (660g)
megapixel count low (6 megapixels)
does not have a selfie friendly screen
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Landscape Comparison

Landscape photography with Nikon D40X
Landscape photography with Pentax K100D
48
has manual focus
interchangeable lenses (Nikon F mount)
sensor size is decent (APS-C)
exports RAW formats
screen is small (2.5 inch)
doesn't have liveview
lack of image stabilization
resolution not great (10MP)
no Time Lapse function
52
has manual focus
change lenses (Pentax KAF mount)
image stabilization (Sensor based)
sensor size is decent (APS-C)
delivers RAW files
tiny screen (2.5 inch)
doesn't have liveview
megapixel count low (6 megapixels)
does not have Time Lapse mode
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Vlogging Comparison

Nikon D40X Vlogging features
Pentax K100D Vlogging features
9
can't record video
9
no video shooting
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Nikon D40X vs Pentax K100D Specifications

Detailed spec comparison table for Nikon D40X and Pentax K100D
 Nikon D40XPentax K100D
General Information
Company Nikon Pentax
Model Nikon D40X Pentax K100D
Type Entry-Level DSLR Entry-Level DSLR
Revealed 2007-05-27 2006-12-03
Physical type Compact SLR Compact SLR
Sensor Information
Processor Chip Expeed -
Sensor type CCD CCD
Sensor size APS-C APS-C
Sensor dimensions 23.7 x 15.6mm 23.5 x 15.7mm
Sensor surface area 369.7mm² 369.0mm²
Sensor resolution 10 megapixel 6 megapixel
Anti aliasing filter
Aspect ratio 3:2 3:2
Peak resolution 3872 x 2592 3008 x 2008
Highest native ISO 1600 3200
Highest enhanced ISO 3200 -
Lowest native ISO 100 200
RAW images
Autofocusing
Focus manually
Autofocus touch
Autofocus continuous
Autofocus single
Autofocus tracking
Selective autofocus
Center weighted autofocus
Multi area autofocus
Autofocus live view
Face detection autofocus
Contract detection autofocus
Phase detection autofocus
Number of focus points 3 11
Lens
Lens mounting type Nikon F Pentax KAF
Total lenses 309 151
Focal length multiplier 1.5 1.5
Screen
Type of screen Fixed Type Fixed Type
Screen sizing 2.5 inches 2.5 inches
Resolution of screen 230k dots 210k dots
Selfie friendly
Liveview
Touch display
Viewfinder Information
Viewfinder type Optical (pentamirror) Optical (pentamirror)
Viewfinder coverage 95 percent 96 percent
Viewfinder magnification 0.53x 0.57x
Features
Minimum shutter speed 30 secs 30 secs
Fastest shutter speed 1/4000 secs 1/4000 secs
Continuous shutter rate 3.0 frames per second 3.0 frames per second
Shutter priority
Aperture priority
Manual mode
Exposure compensation Yes Yes
Custom white balance
Image stabilization
Integrated flash
Flash range 17.00 m -
Flash settings Front curtain, Rear curtain, Red-Eye, Slow, Red-Eye Slow Auto, On, Off, Red-eye reduction
Hot shoe
AEB
WB bracketing
Fastest flash synchronize 1/200 secs 1/180 secs
Exposure
Multisegment metering
Average metering
Spot metering
Partial metering
AF area metering
Center weighted metering
Video features
Highest video resolution None None
Mic port
Headphone port
Connectivity
Wireless None None
Bluetooth
NFC
HDMI
USB USB 2.0 (480 Mbit/sec) USB 2.0 (480 Mbit/sec)
GPS None None
Physical
Environmental sealing
Water proof
Dust proof
Shock proof
Crush proof
Freeze proof
Weight 522 grams (1.15 lbs) 660 grams (1.46 lbs)
Dimensions 124 x 94 x 64mm (4.9" x 3.7" x 2.5") 129 x 93 x 70mm (5.1" x 3.7" x 2.8")
DXO scores
DXO Overall score 63 not tested
DXO Color Depth score 22.4 not tested
DXO Dynamic range score 11.4 not tested
DXO Low light score 516 not tested
Other
Battery model EN-EL9 4 x AA
Self timer Yes (2 to 20 sec) Yes (2 or 12 sec)
Time lapse shooting
Storage type SD/SDHC card SD/MMC card
Card slots 1 1
Cost at release $375 $0