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Nikon D40X vs Canon 100D

The Nikon D40X and the Canon EOS 100D (labelled Canon SL1 in some countries) are two digital cameras that were announced, respectively, in March 2007 and March 2013. Both are DSLR (Digital Single Lens Reflex) cameras that are equipped with an APS-C sensor. The Nikon has a resolution of 10 megapixels, whereas the Canon provides 17.9 MP.

Below is an overview of the main specs of the two cameras as a starting point for the comparison.

Headline Specifications
Nikon D40X versus Canon 100D
Nikon D40X Canon 100D
Digital single lens reflex Digital single lens reflex
Nikon F mount lenses Canon EF mount lenses
10 MP, APS-C Sensor 17.9 MP, APS-C Sensor
no Video 1080/30p Video
ISO 100-1,600 (100 - 3,200) ISO 100-12,800 (100 - 25,600)
Optical viewfinder Optical viewfinder
2.5 LCD, 230k dots 3.0 LCD, 1040k dots
Fixed screen (not touch-sensitive) Fixed touchscreen
3 shutter flaps per second 4.9 shutter flaps per second
520 shots per battery charge380 shots per battery charge
124 x 94 x 64 mm, 522 g 117 x 91 x 69 mm, 407 g

Going beyond this snapshot of core features and characteristics, what are the differences between the Nikon D40X and the Canon EOS 100D? Which one should you buy? Read on to find out how these two cameras compare with respect to their body size, their imaging sensors, their shooting features, their input-output connections, and their reception by expert reviewers.

Body comparison

The side-by-side display below illustrates the physical size and weight of the Nikon D40X and the Canon 100D. The two cameras are presented according to their relative size. Three consecutive views from the front, the top, and the rear side are shown. All width, height and depth dimensions are rounded to the nearest millimeter.

The D40X can be obtained in two different colors (black, silver), while the 100D is also available in two color-versions, but different ones (black, white).

Size Nikon D40X vs Canon 100D
Compare D40X versus 100D top
Comparison D40X or 100D rear

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Canon 100D is notably smaller (9 percent) than the Nikon D40X. Moreover, the 100D is markedly lighter (22 percent) than the D40X. In this context, it is worth noting that neither the D40X nor the 100D are weather-sealed.

The above size and weight comparisons are to some extent incomplete since they do not consider the interchangeable lenses that both of these cameras require. Yet, since both cameras are based around an APS-C sensor, their respective lenses will tend to have similar dimensions and heft. You can compare the optics available for the two cameras in the Nikon Lens Catalog (D40X) and the Canon EF Lens Catalog (100D).

Concerning battery life, the D40X gets 520 shots out of its EN-EL9 battery, while the 100D can take 380 images on a single charge of its LP-E12 power pack.

The table below summarizes the key physical specs of the two cameras alongside a broader set of comparators. In case you want to display and compare another camera duo, just click on the right or left arrow next to the camera that you would like to inspect. Alternatively, you can also use the CAM-parator to select your camera combination among a larger number of options.

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Body Specifications
  Camera
Model
Camera
Width
Camera
Height
Camera
Depth
Camera
Weight
Battery
Life 1
Weather
Sealing
Camera
Launch 2
Launch
Price (USD)
Street
Price
 
Nikon D40X 124 mm 94 mm 64 mm 522 g 520 n Mar 2007 729i
 
Canon 100D 117 mm 91 mm 69 mm 407 g 380 n Mar 2013 549i
 
Canon 200D 122 mm 93 mm 70 mm 453 g 650 n Jun 2017 549i
 
Canon 1200D 130 mm 100 mm 78 mm 480 g 500 n Feb 2014 449i
 
Canon 700D 133 mm 100 mm 79 mm 580 g 440 n Mar 2013 649i
 
Canon G16 109 mm 76 mm 40 mm 356 g 360 n Aug 2013 549 i
 
Canon 450D 129 mm 98 mm 62 mm 524 g 500 n Jan 2008 799i
 
Canon 400D 127 mm 84 mm 65 mm 556 g 370 n Aug 2006 799i
 
Nikon D3100 124 mm 96 mm 75 mm 505 g 550 n Aug 2010 599i
 
Nikon D3000 126 mm 97 mm 64 mm 536 g 500 n Jul 2009 599i
 
Nikon D5000 127 mm 104 mm 80 mm 590 g 510 n Apr 2009 749i
 
Nikon D60 126 mm 94 mm 64 mm 522 g 500 n Jan 2008 629i
 
Nikon D90 132 mm 103 mm 77 mm 703 g 850 n Aug 2008 1,299i
 
Nikon D40 124 mm 94 mm 64 mm 522 g 470 n Nov 2006 499i
 
Olympus E-420 130 mm 91 mm 53 mm 440 g 500 n Mar 2008 599i
 
Panasonic G6 122 mm 85 mm 71 mm 390 g 340 n Apr 2013 599i
 
Panasonic L10 135 mm 96 mm 78 mm 556 g 450 n Aug 2007 599i
Notes: Measurements and pricing do not include easily detachable parts, such as add-on or interchangeable lenses or optional viewfinders.
(1) Number of images that can be taken on a full battery charge according to the CIPA-standard; (2) Official announcement.

Any camera decision will obviously take relative prices into account. The listed launch prices provide an indication of the market segment that the manufacturer of the cameras have been targeting. The 100D was launched at a somewhat lower price (by 25 percent) than the D40X, which makes it more attractive for photographers on a tight budget. Usually, retail prices stay at first close to the launch price, but after several months, discounts become available. Later in the product cycle and, in particular, when the replacement model is about to appear, further discounting and stock clearance sales often push the camera price considerably down. Then, after the new model is out, very good deals can frequently be found on the pre-owned market.

Sensor comparison

The size of the imaging sensor is a crucial determinant of image quality. All other things equal, a large sensor will have larger individual pixel-units that offer better low-light sensitivity, wider dynamic range, and richer color-depth than smaller pixels in a sensor of the same technological generation. Moreover, a large sensor camera will give the photographer more control over depth-of-field in the image and, thus, the ability to better isolate a subject from the background. On the downside, larger sensors tend to be associated with larger, more expensive camera bodies and lenses.

Both cameras under consideration feature an APS-C sensor, but their sensors differ slightly in size. The sensor area in the 100D is 11 percent smaller. As a result of these sensor size differences, the cameras have format factors, respectively, of 1.5 (D40X) and 1.6. Both cameras have a native aspect ratio (sensor width to sensor height) of 3:2.

Nikon D40X and Canon 100D sensor measures

Despite having a smaller sensor, the 100D offers a higher resolution of 17.9 megapixels, compared with 10 MP of the D40X. This megapixels advantage comes at the cost of a higher pixel density and a smaller size of the individual pixel (with a pixel pitch of 4.31μm versus 6.11μm for the D40X). However, it should be noted that the 100D is much more recent (by 6 years) than the D40X, and its sensor will have benefitted from technological advances during this time that make it possible to gather light more efficiently.

The resolution advantage of the Canon 100D implies greater flexibility for cropping images or the possibility to print larger pictures. The maximum print size of the 100D for good quality output (200 dots per inch) amounts to 25.9 x 17.3 inches or 65.8 x 43.9 cm, for very good quality (250 dpi) 20.7 x 13.8 inches or 52.7 x 35.1 cm, and for excellent quality (300 dpi) 17.3 x 11.5 inches or 43.9 x 29.3 cm. The corresponding values for the Nikon D40X are 19.4 x 13 inches or 49.2 x 32.9 cm for good quality, 15.5 x 10.4 inches or 39.3 x 26.3 cm for very good quality, and 12.9 x 8.6 inches or 32.8 x 21.9 cm for excellent quality prints.

The 100D has on-sensor phase detect pixels, which results in fast and reliable autofocus acquisition even during live view operation.

The Nikon D40X has a native sensitivity range from ISO 100 to ISO 1600, which can be extended to ISO 100-3200. The corresponding ISO settings for the Canon EOS 100D are ISO 100 to ISO 12800, with the possibility to increase the ISO range to 100-25600.

D40X versus 100D MP

Consistent information on actual sensor performance is available from DXO Mark for many cameras. This service is based on lab testing and assigns an overall score to each camera sensor, as well as ratings for dynamic range ("DXO Landscape"), color depth ("DXO Portrait"), and low-light sensitivity ("DXO Sports"). The Overall DXO ratings for the two cameras under consideration are close, suggesting that they provide similar imaging performance. The following table provides an overview of the physical sensor characteristics, as well as the sensor quality measurements for a selection of comparators.

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Sensor Characteristics
  Camera
Model
Sensor
Class
Resolution
(MP)
Horiz.
Pixels
Vert.
Pixels
Video
Format
DXO
Portrait
DXO
Landscape
DXO
Sports
DXO
Overall
 
Nikon D40X APS-C 10.0 3872 2592none22.411.451663
 
Canon 100D APS-C 17.9 5184 34561080/30p21.811.384363
 
Canon 200D APS-C 24.0 6000 40001080/60p23.613.4104179
 
Canon 1200D APS-C 17.9 5184 34561080/30p21.911.372463
 
Canon 700D APS-C 17.9 5184 34561080/30p21.711.268161
 
Canon G16 1/1.7 12.0 4000 30001080/60p21.011.723054
 
Canon 450D APS-C 12.2 4272 2848none21.910.869261
 
Canon 400D APS-C 10.1 3888 2592none22.111.066462
 
Nikon D3100 APS-C 14.2 4608 30721080/24p22.511.391967
 
Nikon D3000 APS-C 10.0 3872 2592none22.311.156362
 
Nikon D5000 APS-C 12.2 4288 2848720/24p22.712.586872
 
Nikon D60 APS-C 10.0 3872 2592none22.511.456265
 
Nikon D90 APS-C 12.2 4288 2848720/24p22.712.597773
 
Nikon D40 APS-C 6.0 3008 2000none21.011.056156
 
Olympus E-420 Four Thirds 10.0 3648 2736none21.510.452756
 
Panasonic G6 Four Thirds 15.9 4608 34561080/60p21.311.563961
 
Panasonic L10 Four Thirds 10.0 3648 2736none21.310.842955

Many modern cameras cannot only take still pictures, but also record videos. The 100D indeed provides for movie recording, while the D40X does not. The highest resolution format that the 100D can use is 1080/30p.

Feature comparison

Apart from body and sensor, cameras can and do differ across a variety of features. The D40X and the 100D are similar in the sense that both have an optical viewfinder. The latter is useful for getting a clear image for framing even in brightly lit environments. The viewfinders of both cameras offer the same field of view (95%), but the viewfinder of the 100D has a higher magnification than the one of the D40X (0.54x vs 0.53x), so that the size of the image transmitted appears closer to the size seen with the naked human eye. The following table reports on some other key feature differences and similarities of the Nikon D40X, the Canon 100D, and comparable cameras.

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Core Features
  Camera
Model
Viewfinder
(Type or
000 dots)
Control
Panel
(yes/no)
LCD
Size
(inch)
LCD
Resolution
(000 dots)
LCD
Attach-
ment
Touch
Screen
(yes/no)
Mech
Shutter
Speed
Shutter
Flaps
(1/sec)
Built-in
Flash
(yes/no)
Built-in
Image
Stab
 
Nikon D40Xoptical n 2.5 230 fixed n 1/4000s 3.0 Y n
 
Canon 100Doptical n 3.0 1040 fixed Y 1/4000s 4.9 Y n
 
Canon 200Doptical n 3.0 1040 swivel Y 1/4000s 5.0 Y n
 
Canon 1200Doptical n 3.0 460 fixed n 1/4000s 3.0 Y n
 
Canon 700Doptical n 3.0 1040 swivel Y 1/4000s 5.0 Y n
 
Canon G16optical n 3.0 922 fixed n 1/4000s 2.2 Y Y
 
Canon 450Doptical n 3.0 230 fixed n 1/4000s 3.5 Y n
 
Canon 400Doptical n 2.5 230 fixed n 1/4000s 3.0 Y n
 
Nikon D3100optical n 3.0 230 fixed n 1/4000s 3.0 Y n
 
Nikon D3000optical n 3.0 230 fixed n 1/4000s 3.0 Y n
 
Nikon D5000optical n 2.7 230 full-flex n 1/4000s 4.0 Y n
 
Nikon D60optical n 2.5 230 fixed n 1/4000s 3.0 Y n
 
Nikon D90optical Y 3.0 920 fixed n 1/4000s 4.5 Y n
 
Nikon D40optical n 2.5 230 fixed n 1/4000s 2.5 Y n
 
Olympus E-420optical n 2.7 215 fixed n 1/4000s 3.5 Y n
 
Panasonic G61440 n 3.0 1036 swivel Y 1/4000s 7.0 Y n
 
Panasonic L10optical n 2.5 207 swivel n 1/4000s 3.0 Y n

One differentiating feature between the two cameras concerns the touch sensitivity of the rear screen. The 100D has a touchscreen, while the D40X has a conventional panel. Touch control can be particularly helpful, for example, for setting the focus point.

The D40X writes its imaging data to SDHC cards, while the 100D uses SDXC cards. The 100D supports UHS-I cards (Ultra High Speed data transfer of up to 104 MB/s), while the D40X cannot take advantage of Ultra High Speed SD cards.

Connectivity comparison

For some imaging applications, the extent to which a camera can communicate with its environment can be an important aspect in the camera decision process. The table below provides an overview of the connectivity of the Nikon D40X and Canon EOS 100D and, in particular, the interfaces the cameras (and selected comparators) provide for accessory control and data transfer.

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Input-Output Connections
  Camera
Model
Hotshoe
Port
Internal
Microphone
Internal
Speaker
Microphone
Port
Headphone
Port
HDMI
Port
USB
Port
WiFi
Support
NFC
Support
Bluetooth
Support
 
Nikon D40XY-----2.0---
 
Canon 100DYmonomonoY-mini2.0---
 
Canon 200DYstereomonoY-mini2.0YYY
 
Canon 1200DYmonomono--mini2.0---
 
Canon 700DYstereomonoY-mini2.0---
 
Canon G16Ystereomono--mini2.0Y--
 
Canon 450DY----mini2.0---
 
Canon 400DY-----2.0---
 
Nikon D3100Ymonomono--mini2.0---
 
Nikon D3000Y-----2.0---
 
Nikon D5000Ymonomono--mini2.0---
 
Nikon D60Y-----2.0---
 
Nikon D90Ymonomono--mini2.0---
 
Nikon D40Y-----2.0---
 
Olympus E-420Y-----2.0---
 
Panasonic G6YstereomonoY-mini2.0YY-
 
Panasonic L10Y-----2.0---

Both the D40X and the 100D have been discontinued, but can regularly be found used on eBay. The D40X was replaced by the Nikon D60 , while the 100D was followed by the Canon 200D. Further information on the two cameras (e.g. user guides, manuals), as well as related accessories, can be found on the official Nikon and Canon websites.

Review summary

So what is the bottom line? Is the Nikon D40X better than the Canon 100D or vice versa? Below is a summary of the relative strengths of each of the two contestants.

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Arguments in favor of the Nikon D40X:

  • Longer lasting: Can take more shots (520 versus 380) on a single battery charge.
  • More heavily discounted: Has been available for much longer (launched in March 2007).

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Reasons to prefer the Canon EOS 100D:

  • More detail: Has more megapixels (17.9 vs 10MP), which boosts linear resolution by 34%.
  • Better low-light sensitivity: Can shoot in dim conditions (0.7 stops ISO advantage).
  • Broader imaging potential: Can capture not only stills but also 1080/30p video.
  • Better live-view autofocus: Features on-sensor phase-detection for more confident autofocus.
  • Larger viewfinder image: Features a viewfinder with a higher magnification (0.54x vs 0.53x).
  • Larger screen: Has a bigger rear LCD (3.0" vs 2.5") for image review and settings control.
  • More detailed LCD: Has a higher resolution rear screen (1040k vs 230k dots).
  • Fewer buttons to press: Has a touchscreen to facilitate handling and shooting adjustments.
  • Faster burst: Shoots at higher frequency (4.9 vs 3 flaps/sec) to capture the decisive moment.
  • Less heavy: Has a lower weight (by 115g or 22 percent) and is thus easier to take along.
  • Faster buffer clearing: Has an SD card interface that supports the UHS-I standard.
  • More affordable: Was released into a lower priced segment (25 percent cheaper at launch).
  • More modern: Reflects 6 years of technical progress since the D40X launch.

If the number of relative strengths (bullet points above) is taken as a guide, the 100D is the clear winner of the contest (13 : 2 points). However, the pertinence of the various camera strengths will differ across photographers, so that you might want to weigh individual camera traits according to their importance for your own imaging needs before making a camera decision. A professional wildlife photographer will view the differences between cameras in a way that diverges from the perspective of a family photog, and a person interested in architecture has distinct needs from a sports shooter. Hence, the decision which camera is best and worth buying is often a very personal one.

D40X 02:13 100D

How about other alternatives? Do the specifications of the Nikon D40X and the Canon 100D place the cameras among the top in their class? Find out in the latest Best DSLR Camera listing whether the two cameras rank among the cream of the crop.

In any case, while the specs-based evaluation of cameras can be instructive in revealing their potential as photographic tools, it remains incomplete and does no justice, for example, to the way the D40X or the 100D perform in practice. At times, user reviews, such as those published at amazon, address these issues in a useful manner, but such feedback is on many occasions incomplete, inconsistent, and unreliable.

Expert reviews

This is why expert reviews are important. The adjacent summary-table relays the overall verdicts of several of the most popular camera review sites (cameralabs, dpreview, ephotozine, imaging-resource, and photographyblog). As can be seen, the professional reviewers agree in many cases on the quality of different cameras, but sometimes their assessments diverge, reinforcing the earlier point that a camera decision is often a very personal choice.

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Review Scores
  Camera
Model
camera
  labs  
dp
review  
ephoto
  zine  
imaging
resource
photography
  blog  
Camera
Launch
Launch
Price (USD)
Street
Price
 
Nikon D40X79/100+ +4/5o4/5 Mar 2007 729i
 
Canon 100D+78/1004/54/54/5 Mar 2013 549i
 
Canon 200D+ +78/1004.5/54.5/54.5/5 Jun 2017 549i
 
Canon 1200D+..4/54/54.5/5 Feb 2014 449i
 
Canon 700D..76/1004.5/54.5/54.5/5 Mar 2013 649i
 
Canon G16+..4.5/54.5/54.5/5 Aug 2013 549 i
 
Canon 450D+ ++ +4/55/54.5/5 Jan 2008 799i
 
Canon 400D+ ++ +o4.5/54/5 Aug 2006 799i
 
Nikon D3100+ +72/1004.5/55/54.5/5 Aug 2010 599i
 
Nikon D3000+72/1004/53.5/54.5/5 Jul 2009 599i
 
Nikon D5000+ +75/1004/55/54.5/5 Apr 2009 749i
 
Nikon D6080/100+ +4/5o4.5/5 Jan 2008 629i
 
Nikon D90+ ++ +4/55/54.5/5 Aug 2008 1,299i
 
Nikon D4081/100+ +o5/54.5/5 Nov 2006 499i
 
Olympus E-42085/100+ +4/5o4.5/5 Mar 2008 599i
 
Panasonic G6+ +..5/5..4.5/5 Apr 2013 599i
 
Panasonic L1085/100+3.5/5o4/5 Aug 2007 599i
Notes: (+ +) highly recommended; (+) recommended; (o) reviewed; (..) not available.

Care should be taken when interpreting the review scores above, though. The ratings are only valid when referring to cameras in the same category and of the same age. Hence, a score should always be seen in the context of the camera's market launch date and its price, and rating-comparisons among cameras that span long time periods or concern very differently equipped models make little sense. It should also be noted that some of the review sites have over time altered the way they render their verdicts.

Nikon D40X:
Check Ebay offers
Canon 100D:
Check Ebay offers

Other camera comparisons

Did this review help to inform your camera decision process? In case you would like to check on the differences and similarities of other camera models, just make your choice using the following search menu. As an alternative, you can also directly jump to any one of the listed comparisons that were previously generated by the CAM-parator tool.

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    Specifications: Nikon D40X vs Canon 100D

    Below is a side-by-side comparison of the specs of the two cameras to facilitate a quick review of their differences and common features.

    Camera Specifications
    Camera Model Nikon D40X Canon 100D
    Camera Type Digital single lens reflex Digital single lens reflex
    Camera Lens Nikon F mount lenses Canon EF mount lenses
    Launch Date March 2007 March 2013
    Launch Price USD 729 USD 549
    Sensor Specs Nikon D40X Canon 100D
    Sensor Technology CCD CMOS
    Sensor Format APS-C Sensor APS-C Sensor
    Sensor Size 23.6 x 15.8 mm 22.3 x 14.9 mm
    Sensor Area 372.88 mm2 332.27 mm2
    Sensor Diagonal 28.4 mm 26.8 mm
    Crop Factor 1.5x 1.6x
    Sensor Resolution 10 Megapixels 17.9 Megapixels
    Image Resolution 3872 x 2592 pixels 5184 x 3456 pixels
    Pixel Pitch 6.11 μm 4.31 μm
    Pixel Density 2.69 MP/cm2 5.39 MP/cm2
    Moiré control Anti-Alias filter Anti-Alias filter
    Movie Capability no Video 1080/30p Video
    ISO Setting 100 - 1,600 ISO 100 - 12,800 ISO
    ISO Boost 100 - 3,200 ISO 100 - 25,600 ISO
    Image Processor EXPEED DIGIC 5
    DXO Sensor Quality (score) 63 63
    DXO Color Depth (bits) 22.4 21.8
    DXO Dynamic Range (EV) 11.4 11.3
    DXO Low Light (ISO) 516 843
    Screen Specs Nikon D40X Canon 100D
    Viewfinder Type Optical viewfinder Optical viewfinder
    Viewfinder Field of View 95% 95%
    Viewfinder Magnification 0.53x 0.54x
    LCD Framing Live View
    Rear LCD Size 2.5inch 3.0inch
    LCD Resolution 230k dots 1040k dots
    LCD Attachment Fixed screen Fixed screen
    Touch Input no Touchscreen Touchscreen
    Shooting Specs Nikon D40X Canon 100D
    Focus System Phase-detect AF Phase-detect AF
    Continuous Shooting 3 shutter flaps/s 4.9 shutter flaps/s
    Fill Flash Build-in Flash Build-in Flash
    Storage Medium SDHC cards SDXC cards
    Second Storage Option Single card slot Single card slot
    UHS card support no UHS-I
    Connectivity Specs Nikon D40X Canon 100D
    External Flash Hotshoe Hotshoe
    USB Connector USB 2.0 USB 2.0
    HDMI Port no HDMI mini HDMI
    Microphone Port no MIC socket External MIC port
    Wifi Support no Wifi no Wifi
    Body Specs Nikon D40X Canon 100D
    Battery Type EN-EL9 LP-E12
    Battery Life (CIPA)520 shots per charge380 shots per charge
    Body Dimensions 124 x 94 x 64 mm
    (4.9 x 3.7 x 2.5 in)
    117 x 91 x 69 mm
    (4.6 x 3.6 x 2.7 in)
    Camera Weight 522 g (18.4 oz) 407 g (14.4 oz)

    Did you notice an error on this page? If so, please get in touch, so that we can correct the information.

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