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Nikon D40 vs Sony NEX-3

The Nikon D40 and the Sony Alpha NEX-3 are two digital cameras that were revealed to the public, respectively, in November 2006 and May 2010. The D40 is a DSLR, while the NEX-3 is a mirrorless interchangeable lens camera. Both cameras are equipped with an APS-C sensor. The Nikon has a resolution of 6 megapixels, whereas the Sony provides 14 MP.

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

Headline Specifications
Nikon D40
versus
Sony NEX-3
Nikon D40   Sony NEX-3
Digital single lens reflex Mirrorless system camera
Nikon F mount lenses Sony E mount lenses
6 MP – APS-C sensor 14 MP – APS-C sensor
no Video 720/30p Video
ISO 200-1,600 (200 - 3,200) ISO 200-12,800
Optical viewfinder Viewfinder optional
2.5" LCD – 230k dots 3.0" LCD – 920k dots
Fixed screen (not touch-sensitive) Tilting screen (no touchscreen)
2.5 shutter flaps per second 7 shutter flaps per second
470 shots per battery charge330 shots per battery charge
124 x 94 x 64 mm, 522 g 117 x 62 x 33 mm, 297 g
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Going beyond this snapshot of core features and characteristics, what are the differences between the Nikon D40 and the Sony Alpha NEX-3? 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.

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Body comparison

The side-by-side display below illustrates the physical size and weight of the Nikon D40 and the Sony NEX-3. The two cameras are presented according to their relative size. Three consecutive perspectives from the front, the top, and the back are available. All width, height and depth measures are rounded to the nearest millimeter.

The NEX-3 can be obtained in three different colors (black, silver, red), while the D40 is only available in black.

Size Nikon D40 vs Sony NEX-3
Compare D40 versus NEX-3 top
Comparison D40 or NEX-3 rear

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Sony NEX-3 is considerably smaller (38 percent) than the Nikon D40. Moreover, the NEX-3 is substantially lighter (43 percent) than the D40. In this context, it is worth noting that neither the D40 nor the NEX-3 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. Both cameras have similarly sized sensors, but DSLRs have a larger flange-to-focal plane distance than mirrorless cameras, which imposes contraints on the optical engineering process and generally leads to bigger and heavier lenses. You can compare the optics available for the two cameras in the Nikon Lens Catalog (D40) and the Sony E-Mount Lens Catalog (NEX-3). Mirrorless cameras, such as the NEX-3, have moreover the advantage that they can use many lenses from other systems via adapters, as they have a relatively short flange to focal plane distance.

Concerning battery life, the D40 gets 470 shots out of its Nikon EN-EL9 battery, while the NEX-3 can take 330 images on a single charge of its Sony NP-FW50 power pack.

The table below summarizes the key physical specs of the two cameras alongside a broader set of comparators. If you want to switch the focus of the display and review another camera pair, you can move across to the CAM-parator tool and choose from the broad selection of possible camera comparisons there.

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Body Specifications
  empty Camera
Model
Camera
Width
Camera
Height
Camera
Depth
Camera
Weight
Battery
Life
Weather
Sealing
Camera
Launch
Launch
Price
Street
Price
1.
 
Nikon D40 124 mm 94 mm 64 mm 522 g 470 n Nov 2006 US$ 499ebay.com
2.
 
Sony NEX-3 117 mm 62 mm 33 mm 297 g 330 n May 2010 US$ 599ebay.com
3.
 
Nikon D40X 124 mm 94 mm 64 mm 522 g 520 n Mar 2007 US$ 729ebay.com
4.
 
Nikon D50 133 mm 102 mm 76 mm 620 g 400 n Apr 2005 US$ 749ebay.com
5.
 
Nikon D70s 140 mm 111 mm 78 mm 679 g 500 n Apr 2005 US$ 899ebay.com
6.
 
Nikon D80 132 mm 103 mm 77 mm 668 g 600 n Aug 2006 US$ 999ebay.com
7.
 
Nikon D3000 126 mm 97 mm 64 mm 536 g 500 n Jul 2009 US$ 599ebay.com
8.
 
Nikon D3100 124 mm 96 mm 75 mm 505 g 550 n Aug 2010 US$ 599ebay.com
9.
 
Nikon D3200 125 mm 96 mm 77 mm 505 g 540 n Apr 2012 US$ 599ebay.com
10.
 
Nikon D3300 124 mm 98 mm 76 mm 430 g 700 n Jan 2014 US$ 499ebay.com
11.
 
Nikon D3400 124 mm 98 mm 76 mm 445 g 1200 n Aug 2016 US$ 499ebay.com
12.
 
Panasonic L10 135 mm 96 mm 78 mm 556 g 450 n Aug 2007 US$ 599ebay.com
13.
 
Sony NEX-3N 110 mm 62 mm 35 mm 269 g 480 n Feb 2013 US$ 499ebay.com
14.
 
Sony NEX-5 111 mm 59 mm 38 mm 287 g 330 n May 2010 US$ 699ebay.com
15.
 
Sony NEX-5N 111 mm 59 mm 38 mm 269 g 460 n Aug 2011 US$ 699ebay.com
16.
 
Sony NEX-C3 110 mm 60 mm 33 mm 225 g 400 n Jun 2011 US$ 599ebay.com
17.
 
Sony NEX-F3 117 mm 67 mm 42 mm 314 g 470 n May 2012 US$ 599ebay.com
Note: Measurements and pricing do not include easily detachable parts, such as add-on or interchangeable lenses or optional viewfinders.

The price is, of course, an important factor in any camera decision. The listed launch prices provide an indication of the market segment that the manufacturer of the cameras have been targeting. The D40 was launched at a somewhat lower price (by 17 percent) than the NEX-3, which makes it more attractive for photographers on a tight budget. Normally, street prices remain initially close to the MSRP, but after a couple of months, the first discounts appear. 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 sensor inside a digital camera is one of the key determinants of image quality. A large sensor will tend to have larger individual pixels that provide better low-light sensitivity, wider dynamic range, and richer color-depth than smaller pixel-units in a sensor of the same technological generation. Further, a large sensor camera will give the photographer additional creative options when using shallow depth-of-field to isolate a subject from its 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 NEX-3 is 1 percent smaller. They nevertheless have the same format factor of 1.5. Both cameras have a native aspect ratio (sensor width to sensor height) of 3:2.

Nikon D40 and Sony NEX-3 sensor measures

Despite having a slightly smaller sensor, the NEX-3 offers a higher resolution of 14 megapixels, compared with 6 MP of the D40. 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 5.11μm versus 7.85μm for the D40). However, it should be noted that the NEX-3 is much more recent (by 3 years and 5 months) than the D40, 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 Sony NEX-3 implies greater flexibility for cropping images or the possibility to print larger pictures. The maximum print size of the NEX-3 for good quality output (200 dots per inch) amounts to 23 x 15.3 inches or 58.3 x 38.8 cm, for very good quality (250 dpi) 18.4 x 12.2 inches or 46.7 x 31 cm, and for excellent quality (300 dpi) 15.3 x 10.2 inches or 38.9 x 25.9 cm. The corresponding values for the Nikon D40 are 15 x 10 inches or 38.2 x 25.4 cm for good quality, 12 x 8 inches or 30.6 x 20.3 cm for very good quality, and 10 x 6.7 inches or 25.5 x 16.9 cm for excellent quality prints.

The Nikon D40 has a native sensitivity range from ISO 200 to ISO 1600, which can be extended to ISO 200-3200. The corresponding ISO settings for the Sony Alpha NEX-3 are ISO 200 to ISO 12800 (no boost).

In terms of underlying technology, the D40 is build around a CCD sensor, while the NEX-3 uses a CMOS imager. Both cameras use a Bayer filter for capturing RGB colors on a square grid of photosensors. This arrangement is found in most digital cameras.

D40 versus NEX-3 MP

Consistent information on actual sensor performance is available from DXO Mark for many cameras. This service determines an overall sensor rating, as well as sub-scores for low-light sensitivity ("DXO Sports"), dynamic range ("DXO Landscape"), and color depth ("DXO Portrait"). Of the two cameras under consideration, the NEX-3 offers substantially better image quality than the D40 (overall score 12 points higher). The advantage is based on 1.1 bits higher color depth, 1 EV in additional dynamic range, and 0.6 stops in additional low light sensitivity. 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
  empty Camera
Model
Sensor
Class
Resolution
(MP)
Horiz.
Pixels
Vert.
Pixels
Video
Format
DXO
Portrait
DXO
Landscape
DXO
Sports
DXO
Overall
1.
 
Nikon D40 APS-C 6.0 3008 2000none21.011.056156
2.
 
Sony NEX-3 APS-C 14.0 4592 3056720/30p22.112.083068
3.
 
Nikon D40X APS-C 10.0 3872 2592none22.411.451663
4.
 
Nikon D50 APS-C 6.0 3008 2000none20.910.856055
5.
 
Nikon D70s APS-C 6.0 3008 2000none20.410.352950
6.
 
Nikon D80 APS-C 10.0 3872 2592none22.111.252461
7.
 
Nikon D3000 APS-C 10.0 3872 2592none22.311.156362
8.
 
Nikon D3100 APS-C 14.2 4608 30721080/24p22.511.391967
9.
 
Nikon D3200 APS-C 24.1 6016 40001080/30p24.113.2113181
10.
 
Nikon D3300 APS-C 24.0 6000 40001080/60p24.312.8138582
11.
 
Nikon D3400 APS-C 24.0 6000 40001080/60p24.813.9119286
12.
 
Panasonic L10 Four Thirds 10.0 3648 2736none21.310.842955
13.
 
Sony NEX-3N APS-C 16.0 4912 32641080/60i22.812.5106774
14.
 
Sony NEX-5 APS-C 14.0 4592 30561080/60i22.212.279669
15.
 
Sony NEX-5N APS-C 16.0 4912 32641080/60i23.612.7107977
16.
 
Sony NEX-C3 APS-C 16.0 4912 3264720/30p22.712.2108373
17.
 
Sony NEX-F3 APS-C 16.0 4912 32641080/60i22.712.3111473

Many modern cameras cannot only take still pictures, but also record videos. The NEX-3 indeed provides for movie recording, while the D40 does not. The highest resolution format that the NEX-3 can use is 720/30p.

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Feature comparison

Apart from body and sensor, cameras can and do differ across a variety of features. For example, the D40 has an optical viewfinder, which can be very useful when shooting in bright sunlight. In contrast, the NEX-3 relies on live view and the rear LCD for framing. That said, the NEX-3 can be equipped with an optional viewfinder – the FDA-SV1. The table below summarizes some of the other core capabilities of the Nikon D40 and Sony NEX-3 in connection with corresponding information for a sample of similar cameras.

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Core Features
  empty Camera
Model
Viewfinder
(Type or
000 dots)
Control
Panel
(yes/no)
LCD
Specifications
(inch/000 dots)
LCD
Attach-
ment
Touch
Screen
(yes/no)
Max
Shutter
Speed *
Max
Shutter
Flaps *
Built-in
Flash
(yes/no)
Built-in
Image
Stab
1.
 
Nikon D40optical n2.5 / 230 fixed n 1/4000s 2.5/s Y n
2.
 
Sony NEX-3optional n3.0 / 920 tilting n 1/4000s 7.0/s n n
3.
 
Nikon D40Xoptical n2.5 / 230 fixed n 1/4000s 3.0/s Y n
4.
 
Nikon D50optical n2.0 / 130 fixed n 1/4000s 2.5/s Y n
5.
 
Nikon D70soptical n2.0 / 130 fixed n 1/8000s 3.0/s Y n
6.
 
Nikon D80optical n2.5 / 230 fixed n 1/4000s 3.0/s Y n
7.
 
Nikon D3000optical n3.0 / 230 fixed n 1/4000s 3.0/s Y n
8.
 
Nikon D3100optical n3.0 / 230 fixed n 1/4000s 3.0/s Y n
9.
 
Nikon D3200optical n3.0 / 921 fixed n 1/4000s 4.0/s Y n
10.
 
Nikon D3300optical n3.0 / 921 fixed n 1/4000s 5.0/s Y n
11.
 
Nikon D3400optical n3.0 / 921 fixed n 1/4000s 5.0/s Y n
12.
 
Panasonic L10optical n2.5 / 207 swivel n 1/4000s 3.0/s Y n
13.
 
Sony NEX-3Noptional n3.0 / 460 tilting n 1/4000s 4.0/s Y n
14.
 
Sony NEX-5optional n3.0 / 920 tilting n 1/4000s 7.0/s n n
15.
 
Sony NEX-5Noptional n3.0 / 920 tilting Y 1/4000s 10.0/s n n
16.
 
Sony NEX-C3optional n3.0 / 920 tilting n 1/4000s 5.5/s n n
17.
 
Sony NEX-F3optional n3.0 / 920 tilting n 1/4000s 5.5/s Y n
Note: *) Information refers to the mechanical shutter, unless the camera only has an electronic one.

One difference between the cameras concerns the presence of an on-board flash. The D40 has one, while the NEX-3 does not. While the built-in flash of the D40 is not very powerful, it can at times be useful as a fill-in light.

The NEX-3 has an articulated screen that can be turned to be front-facing. This characteristic will be appreciated by vloggers and photographers who are interested in taking selfies. In contrast, the D40 does not have a selfie-screen.

The D40 writes its imaging data to SDHC cards, while the NEX-3 uses SDXC or Memory Stick PRO Duo cards.

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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 D40 and Sony Alpha NEX-3 and, in particular, the interfaces the cameras (and selected comparators) provide for accessory control and data transfer.

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Input-Output Connections
  empty Camera
Model
Hotshoe
Port
Internal
Mic / Speaker
Microphone
Port
Headphone
Port
HDMI
Port
USB
Port
WiFi
Support
NFC
Support
Bluetooth
Support
1.
 
Nikon D40Y- / ----2.0---
2.
 
Sony NEX-3Ystereo / mono--mini2.0---
3.
 
Nikon D40XY- / ----2.0---
4.
 
Nikon D50Y- / ----2.0---
5.
 
Nikon D70sY- / ----2.0---
6.
 
Nikon D80Y- / ----2.0---
7.
 
Nikon D3000Y- / ----2.0---
8.
 
Nikon D3100Ymono / mono--mini2.0---
9.
 
Nikon D3200Ymono / monoY-mini2.0---
10.
 
Nikon D3300Ymono / monoY-mini2.0---
11.
 
Nikon D3400Ymono / mono--mini2.0--Y
12.
 
Panasonic L10Y- / ----2.0---
13.
 
Sony NEX-3N-stereo / mono--micro2.0---
14.
 
Sony NEX-5Ystereo / mono--mini2.0---
15.
 
Sony NEX-5NYstereo / mono--mini2.0---
16.
 
Sony NEX-C3Ystereo / mono--mini2.0---
17.
 
Sony NEX-F3Ystereo / mono--mini2.0---

Both the D40 and the NEX-3 have been discontinued, but can regularly be found used on ebay. The D40 was replaced by the Nikon D40X, while the NEX-3 was followed by the Sony NEX-3N. Further information on the features and operation of the D40 and NEX-3 can be found, respectively, in the Nikon D40 Manual (free pdf) or the online Sony NEX-3 Manual.

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Review summary

So what is the bottom line? Which of the two cameras – the Nikon D40 or the Sony NEX-3 – has the upper hand? Is one clearly better than the other? Below is a summary of the relative strengths of each of the two contestants.

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Advantages of the Nikon D40:

  • Easier framing: Has an optical viewfinder for image composition and settings control.
  • Longer lasting: Can take more shots (470 versus 330) on a single battery charge.
  • Easier fill-in: Is equipped with a small onboard flash to brighten deep shadow areas.
  • More affordable: Was introduced into a lower priced segment (17 percent cheaper at launch).
  • More heavily discounted: Has been available for much longer (launched in November 2006).

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Reasons to prefer the Sony Alpha NEX-3:

  • More detail: Has more megapixels (14 vs 6MP), which boosts linear resolution by 53%.
  • Better image quality: Scores substantially higher (12 points) in the DXO overall evaluation.
  • Richer colors: Generates noticeably more natural colors (1.1 bits more color depth).
  • More dynamic range: Captures a broader range of light and dark details (1 EV of extra DR).
  • Better low-light sensitivity: Can shoot in dim conditions (0.6 stops ISO advantage).
  • Broader imaging potential: Can capture not only stills but also 720/30p video.
  • 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 (920k vs 230k dots).
  • More flexible LCD: Has a tilting screen for odd-angle shots in landscape orientation.
  • More selfie-friendly: Has an articulated screen that can be turned to be front-facing.
  • Faster burst: Shoots at higher frequency (7 vs 2.5 flaps/sec) to capture the decisive moment.
  • More compact: Is smaller (117x62mm vs 124x94mm) and will fit more readily into a bag.
  • Less heavy: Has a lower weight (by 225g or 43 percent) and is thus easier to take along.
  • More legacy lens friendly: Can use many non-native lenses via adapters.
  • More modern: Reflects 3 years and 5 months of technical progress since the D40 launch.

If the count of individual advantages (bullet points above) is taken as a guide, the NEX-3 is the clear winner of the contest (15 : 5 points). However, the relevance of individual strengths will vary across photographers, so that you might want to apply your own weighing scheme to the summary points when reflecting and deciding on a new camera. A professional sports photographer will view the differences between cameras in a way that diverges from the perspective of a street photog, and a person interested in family portraits has distinct needs from a landscape shooter. Hence, the decision which camera is best and worth buying is often a very personal one.

D40 05:15 NEX-3

How about other alternatives? Do the specifications of the Nikon D40 and the Sony NEX-3 place the cameras among the top in their class? Find out in the latest Best DSLR Camera and Best Mirrorless Interchangeable Lens Camera listings whether the two cameras rank among the cream of the crop.

In any case, while the comparison of technical specifications can provide a useful overview of the capabilities of different cameras, it remains partial and cannot reveal, for example, the shooting experience and imaging performance when actually working with the D40 or the NEX-3. User reviews that are available, for instance, at amazon can sometimes shed light on these issues, but such feedback is all too often partial, inconsistent, and inaccurate.

Expert reviews

This is why expert reviews are important. The following table reports the overall ratings of the cameras as published by some of the major camera review sites (amateurphotographer [AP], cameralabs [CL], digitalcameraworld [DCW], dpreview [DPR], ephotozine [EPZ], photographyblog [PB]). 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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Expert Camera Reviews
  empty  Camera 
 Model 
 AP 
 score 
 CL 
 score 
 DCW 
 score 
 DPR 
 score 
 EPZ 
 score 
 PB 
 score 
Camera
Launch
Launch
Price
Street
Price
1.
 
Nikon D40..81/100..+ +o4.5/5 Nov 2006 US$ 499ebay.com
2.
 
Sony NEX-3......70/1004.5/54/5 May 2010 US$ 599ebay.com
3.
 
Nikon D40X..79/100..+ +4/54/5 Mar 2007 US$ 729ebay.com
4.
 
Nikon D50..78/100..+ +4/54.5/5 Apr 2005 US$ 749ebay.com
5.
 
Nikon D70s..........5/5 Apr 2005 US$ 899ebay.com
6.
 
Nikon D80..+..+ +o4.5/5 Aug 2006 US$ 999ebay.com
7.
 
Nikon D3000..+..72/1004/54.5/5 Jul 2009 US$ 599ebay.com
8.
 
Nikon D31005/5+ +..72/1004.5/54.5/5 Aug 2010 US$ 599ebay.com
9.
 
Nikon D32005/5+ +..73/1004.5/54.5/5 Apr 2012 US$ 599ebay.com
10.
 
Nikon D33003/5+..77/1004.5/54.5/5 Jan 2014 US$ 499ebay.com
11.
 
Nikon D34004/5+4/576/1004/54.5/5 Aug 2016 US$ 499ebay.com
12.
 
Panasonic L10..85/100..+3.5/54/5 Aug 2007 US$ 599ebay.com
13.
 
Sony NEX-3N3/5......4.5/54.5/5 Feb 2013 US$ 499ebay.com
14.
 
Sony NEX-53/5+ +..71/1004.5/54/5 May 2010 US$ 699ebay.com
15.
 
Sony NEX-5N3/5+ +..79/1004.5/54.5/5 Aug 2011 US$ 699ebay.com
16.
 
Sony NEX-C33/5+ +..74/1004.5/54/5 Jun 2011 US$ 599ebay.com
17.
 
Sony NEX-F34/5....74/1004.5/54.5/5 May 2012 US$ 599ebay.com
Note: (+ +) highly recommended; (+) recommended; (o) reviewed; (..) not available.

The review scores listed above should be treated with care, though. The ratings are only valid when referring to cameras in the same category and of the same age. Thus, a score needs to be put into the context of the launch date and the launch price of the camera, and comparing ratings of very distinct cameras or ones that are far apart in terms of their release date have little meaning. It should also be noted that some of the review sites have over time altered the way they render their verdicts.

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Other camera comparisons

Did this review help to inform your camera decision process? In case you are interested in seeing how other cameras pair up, just make a corresponding selection in the search boxes below. There is also a set of direct links to comparison reviews that other users of the CAM-parator app explored.

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    Specifications: Nikon D40 vs Sony NEX-3

    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 D40 Sony NEX-3
    Camera Type Digital single lens reflex Mirrorless system camera
    Camera Lens Nikon F mount lenses Sony E mount lenses
    Launch Date November 2006 May 2010
    Launch Price USD 499 USD 599
    Sensor Specs Nikon D40 Sony NEX-3
    Sensor Technology CCD CMOS
    Sensor Format APS-C Sensor APS-C Sensor
    Sensor Size 23.7 x 15.6 mm 23.4 x 15.6 mm
    Sensor Area 369.72 mm2 365.04 mm2
    Sensor Diagonal 28.4 mm 28.1 mm
    Crop Factor 1.5x 1.5x
    Sensor Resolution 6 Megapixels 14 Megapixels
    Image Resolution 3008 x 2000 pixels 4592 x 3056 pixels
    Pixel Pitch 7.85 μm 5.11 μm
    Pixel Density 1.63 MP/cm2 3.84 MP/cm2
    Moiré control Anti-Alias filter Anti-Alias filter
    Movie Capability no Video 720/30p Video
    ISO Setting 200 - 1,600 ISO 200 - 12,800 ISO
    ISO Boost 200 - 3,200 ISO no Enhancement
    DXO Sensor Quality (score) 56 68
    DXO Color Depth (bits) 21.0 22.1
    DXO Dynamic Range (EV) 11.0 12.0
    DXO Low Light (ISO) 561 830
    Screen Specs Nikon D40 Sony NEX-3
    Viewfinder Type Optical viewfinder Viewfinder optional
    Viewfinder Field of View 95%
    Viewfinder Magnification 0.53x
    LCD Framing Live View
    Rear LCD Size 2.5inch 3.0inch
    LCD Resolution 230k dots 920k dots
    LCD Attachment Fixed screen Tilting screen
    Shooting Specs Nikon D40 Sony NEX-3
    Focus System Phase-detect AF Contrast-detect AF
    Continuous Shooting 2.5 shutter flaps/s 7 shutter flaps/s
    Fill Flash Built-in Flash no On-Board Flash
    Storage Medium SDHC cards MS or SDXC cards
    Single or Dual Card Slots Single card slot Single card slot
    UHS card support no no
    Connectivity Specs Nikon D40 Sony NEX-3
    External Flash Hotshoe Hotshoe
    USB Connector USB 2.0 USB 2.0
    HDMI Port no HDMI mini HDMI
    Wifi Support no Wifi no Wifi
    Body Specs Nikon D40 Sony NEX-3
    Battery Type Nikon EN-EL9 Sony NP-FW50
    Battery Life (CIPA)470 shots per charge330 shots per charge
    Body Dimensions 124 x 94 x 64 mm
    (4.9 x 3.7 x 2.5 in)
    117 x 62 x 33 mm
    (4.6 x 2.4 x 1.3 in)
    Camera Weight 522 g (18.4 oz) 297 g (10.5 oz)
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