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Nikon D40X vs Pentax K-r

Portability
71
Imaging
49
Features
33
Overall
42
Nikon D40X front
 
Pentax K-r front
Portability
67
Imaging
53
Features
52
Overall
52

Nikon D40X vs Pentax K-r Key Specs

Nikon D40X
(Full Review)
  • 10MP - APS-C Sensor
  • 2.5" Fixed Screen
  • ISO 100 - 1600 (Raise to 3200)
  • No Video
  • Nikon F Mount
  • 522g - 124 x 94 x 64mm
  • Launched May 2007
  • Previous Model is Nikon D50
  • Replacement is Nikon D60
Pentax K-r
(Full Review)
  • 12MP - APS-C Sensor
  • 3" Fixed Screen
  • ISO 200 - 12800 (Boost to 25600)
  • Sensor based Image Stabilization
  • 1/6000s Max Shutter
  • 1280 x 720 video
  • Pentax KAF2 Mount
  • 598g - 125 x 97 x 68mm
  • Revealed March 2011
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Nikon D40X vs Pentax K-r Overview

Below is a comprehensive review of the Nikon D40X vs Pentax K-r, both Entry-Level DSLR digital cameras by companies Nikon and Pentax. The sensor resolution of the D40X (10MP) and the K-r (12MP) is pretty similar and both cameras posses the identical sensor sizes (APS-C).

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The D40X was released 4 years earlier than the K-r and that is quite a big gap as far as tech is concerned. Both cameras feature the same body design (Compact SLR).

Before getting right into a complete comparison, here is a quick highlight of how the D40X matches up against the K-r in relation to portability, imaging, features and an overall grade.

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Reasons to pick Nikon D40X over the Pentax K-r

 D40X K-r 

Reasons to pick Pentax K-r over the Nikon D40X

 K-r D40X 
RevealedMarch 2011May 2007More recent by 46 months
Screen size3"2.5"Bigger screen (+0.5")
Screen resolution921k230kClearer screen (+691k dot)

Common features in the Nikon D40X and Pentax K-r

 D40X K-r 
Manual focus Dial exact focusing
Screen typeFixed Fixed Fixed screen
Selfie screen Neither comes with selfie screen
Touch screen Missing Touch screen

Nikon D40X vs Pentax K-r Physical Comparison

If you're intending to lug around your camera, you'll have to consider its weight and size. The Nikon D40X comes with outer dimensions of 124mm x 94mm x 64mm (4.9" x 3.7" x 2.5") accompanied by a weight of 522 grams (1.15 lbs) while the Pentax K-r has specifications of 125mm x 97mm x 68mm (4.9" x 3.8" x 2.7") with a weight of 598 grams (1.32 lbs).

Examine the Nikon D40X vs Pentax K-r in the latest Camera and Lens Size Comparison Tool. Camera Size Comparison with Lenses

Take into consideration, the weight of an Interchangeable Lens Camera will change depending on the lens you are using at that time. Following is a front view overall size comparison of the D40X compared to the K-r.

Nikon D40X vs Pentax K-r size comparison

Taking into consideration size and weight, the portability rating of the D40X and K-r is 71 and 67 respectively.

Nikon D40X vs Pentax K-r top view buttons comparison

Nikon D40X vs Pentax K-r Sensor Comparison

Generally, it is difficult to visualize the difference between sensor measurements only by reading technical specs. The visual underneath should give you a far better sense of the sensor dimensions in the D40X and K-r.

As you can tell, both of these cameras come with the identical sensor size albeit different resolution. You should expect the Pentax K-r to offer greater detail as a result of its extra 2 Megapixels. Higher resolution will also help you crop shots a good deal more aggressively. The older D40X is going to be behind with regard to sensor innovation.

Nikon D40X vs Pentax K-r sensor size comparison

Nikon D40X vs Pentax K-r Screen and ViewFinder

Nikon D40X vs Pentax K-r Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Portrait photography with Nikon D40X
Portrait photography with Pentax K-r
53
focusing manually
decent sensor size (APS-C)
exports RAW files
does not have liveview
low megapixels (10MP)
63
focusing manually
decent sensor size (APS-C)
offers face detection focus
supports RAW files
low megapixels (12MP)
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Street Comparison

Nikon D40X Street photography factors
Pentax K-r Street photography factors
58
decent sensor size (APS-C)
exports RAW files
no moving screen
no image stabilization
67
has image stabilization (Sensor based)
decent sensor size (APS-C)
supports RAW files
screen does not articulate
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Sports Comparison

Nikon D40X Sports photography factors
Pentax K-r Sports photography factors
41
decent sensor size (APS-C)
has phase detect autofocus
does not have liveview
continuous shooting slow (3.0 frames/s)
no image stabilization
low megapixels (10 megapixels)
55
high shutter speed (1/6,000s)
has image stabilization (Sensor based)
decent sensor size (APS-C)
supports phase detect auto focus
slow continuous shooting (6.0 frames/s)
low megapixels (12 megapixels)
not so great battery pack (470 shots)
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Travel Comparison

Nikon D40X Travel photography features
Pentax K-r Travel photography features
48
flash built-in
no Timelapse function
low megapixels (10 megapixels)
doesn't have selfie friendly display
47
has built in flash
not so great battery pack (470 shots)
low megapixels (12 megapixels)
does not have selfie friendly screen
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Landscape Comparison

Nikon D40X Landscape photography information
Pentax K-r Landscape photography information
48
focusing manually
switch lenses (Nikon F mount)
decent sensor size (APS-C)
exports RAW files
screen is somewhat small (2.5")
does not have liveview
no image stabilization
low megapixels (10MP)
no Timelapse function
65
focusing manually
change lenses (Pentax KAF2 mount)
pretty good screen size (3")
has image stabilization (Sensor based)
decent sensor size (APS-C)
supports RAW files
low megapixels (12MP)
not so great battery pack (470 per charge)
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Vlogging Comparison

Vlogging with Nikon D40X
Vlogging with Pentax K-r
9
no video
26
has image stabilization (Sensor based)
offers face detection focus
does not have selfie friendly screen
video res low (1280 x 720 resolution)
lack of external mic jack
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Nikon D40X vs Pentax K-r Specifications

Detailed spec comparison table for Nikon D40X and Pentax K-r
 Nikon D40XPentax K-r
General Information
Brand Nikon Pentax
Model Nikon D40X Pentax K-r
Class Entry-Level DSLR Entry-Level DSLR
Launched 2007-05-27 2011-03-11
Body design Compact SLR Compact SLR
Sensor Information
Chip Expeed Prime II
Sensor type CCD CMOS
Sensor size APS-C APS-C
Sensor dimensions 23.7 x 15.6mm 23.6 x 15.8mm
Sensor surface area 369.7mm² 372.9mm²
Sensor resolution 10 megapixels 12 megapixels
Anti aliasing filter
Aspect ratio 3:2 3:2
Max resolution 3872 x 2592 4288 x 2848
Max native ISO 1600 12800
Max enhanced ISO 3200 25600
Lowest native ISO 100 200
RAW support
Lowest enhanced ISO - 100
Autofocusing
Focus manually
AF touch
Continuous AF
AF single
Tracking AF
AF selectice
Center weighted AF
AF multi area
Live view AF
Face detection AF
Contract detection AF
Phase detection AF
Number of focus points 3 11
Cross focus points - 9
Lens
Lens mount Nikon F Pentax KAF2
Amount of lenses 309 151
Crop factor 1.5 1.5
Screen
Range of screen Fixed Type Fixed Type
Screen sizing 2.5 inch 3 inch
Resolution of screen 230k dot 921k dot
Selfie friendly
Liveview
Touch function
Screen technology - TFT LCD monitor
Viewfinder Information
Viewfinder type Optical (pentamirror) Optical (pentamirror)
Viewfinder coverage 95 percent 96 percent
Viewfinder magnification 0.53x 0.57x
Features
Min shutter speed 30 secs 30 secs
Max shutter speed 1/4000 secs 1/6000 secs
Continuous shutter speed 3.0fps 6.0fps
Shutter priority
Aperture priority
Expose Manually
Exposure compensation Yes Yes
Custom WB
Image stabilization
Inbuilt flash
Flash range 17.00 m 12.00 m (at ISO 100)
Flash modes Front curtain, Rear curtain, Red-Eye, Slow, Red-Eye Slow Auto, Red-eye Reduction, Slow-speed Sync, Trailing Curtain Sync, High-Speed Sync and Wireless Sync
Hot shoe
AEB
White balance bracketing
Max flash sync 1/200 secs 1/180 secs
Exposure
Multisegment exposure
Average exposure
Spot exposure
Partial exposure
AF area exposure
Center weighted exposure
Video features
Supported video resolutions - 1280 x 720 (25 fps), 640 x 480 (25 fps)
Max video resolution None 1280x720
Video data format - Motion JPEG
Mic input
Headphone input
Connectivity
Wireless None None
Bluetooth
NFC
HDMI
USB USB 2.0 (480 Mbit/sec) USB 2.0 (480 Mbit/sec)
GPS None Optional
Physical
Environment seal
Water proof
Dust proof
Shock proof
Crush proof
Freeze proof
Weight 522 grams (1.15 lbs) 598 grams (1.32 lbs)
Physical dimensions 124 x 94 x 64mm (4.9" x 3.7" x 2.5") 125 x 97 x 68mm (4.9" x 3.8" x 2.7")
DXO scores
DXO Overall score 63 72
DXO Color Depth score 22.4 22.9
DXO Dynamic range score 11.4 12.4
DXO Low light score 516 755
Other
Battery life - 470 photos
Battery format - Battery Pack
Battery model EN-EL9 D-LI109,4 x AA
Self timer Yes (2 to 20 sec) Yes (2 or 12 sec)
Time lapse recording
Storage media SD/SDHC card SD/SDHC
Storage slots One One
Price at release $375 $1,100