Nikon D40 vs Panasonic G3
The Nikon D40 and the Panasonic Lumix DMC-G3 are two digital cameras that were revealed to the public, respectively, in November 2006 and May 2011. The D40 is a DSLR, while the G3 is a mirrorless interchangeable lens camera. The cameras are based on an APS-C (D40) and a Four Thirds (G3) sensor. The Nikon has a resolution of 6 megapixels, whereas the Panasonic provides 15.8 MP.
Below is an overview of the main specs of the two cameras as a starting point for the comparison.
|Nikon D40||Panasonic G3|
|Digital single lens reflex||Mirrorless system camera|
|Nikon F mount lenses||Micro Four Thirds lenses|
|6 MP, APS-C Sensor||15.8 MP, Four Thirds Sensor|
|no Video||1080/60i Video|
|ISO 200-1600 (200-3200)||ISO 160-6400|
|Optical viewfinder||Electronic viewfinder (1440k dots)|
|2.5" LCD, 230k dots||3.0" LCD, 460k dots|
|Fixed screen (not touch-sensitive)||Swivel touchscreen|
|2.5 shutter flaps per second||4 shutter flaps per second|
|470 shots per battery charge||270 shots per battery charge|
|124 x 94 x 64 mm, 522 g||115 x 84 x 47 mm, 336 g|
Going beyond this snapshot of core features and characteristics, what are the differences between the Nikon D40 and the Panasonic Lumix DMC-G3? 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: Nikon D40 vs Panasonic G3
The side-by-side display below illustrates the physical size and weight of the Nikon D40 and the Panasonic G3. The two cameras are presented according to their relative size. Three successive views from the front, the top, and the rear are shown. All size dimensions are rounded to the nearest millimeter.
The G3 can be obtained in four different colors (black, brown, red, white), while the D40 is only available in black.
If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Panasonic G3 is notably smaller (17 percent) than the Nikon D40. Moreover, the G3 is substantially lighter (36 percent) than the D40. In this context, it is worth noting that neither the D40 nor the G3 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. A larger imaging sensor will tend to go along with bigger and heavier lenses, although exceptions exist. You can compare the optics available for the two cameras in the Nikon Lens Catalog (D40) and the Micro Four Thirds Lens Catalog (G3). Mirrorless cameras, such as the G3, 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.
The adjacent table lists the principal physical characteristics of the two cameras alongside a wider set of alternatives. If you want to switch the focus of the display and review another camera pair, just select a new right or left comparator from among the camera models in the table. Alternatively, you can also move across to the CAM-parator tool and choose from the broad selection of possible camera comparisons there.
|Nikon D40»||4.9 in||3.7 in||2.5 in||18.4 oz||470||n||Nov 2006||499||-||Nikon D40|
|Panasonic G3«||4.5 in||3.3 in||1.9 in||11.9 oz||270||n||May 2011||599||-||Panasonic G3|
|Nikon D3400« »||4.9 in||3.9 in||3.0 in||15.7 oz||1200||n||Aug 2016||499||-||Nikon D3400|
|Nikon D3300« »||4.9 in||3.9 in||3.0 in||15.2 oz||700||n||Jan 2014||499||-||Nikon D3300|
|Nikon D3100« »||4.9 in||3.8 in||3.0 in||17.8 oz||550||n||Aug 2010||599||-||Nikon D3100|
|Nikon D3000« »||5.0 in||3.8 in||2.5 in||18.9 oz||500||n||Jul 2009||599||-||Nikon D3000|
|Nikon D60« »||5.0 in||3.7 in||2.5 in||18.4 oz||500||n||Jan 2008||629||-||Nikon D60|
|Nikon D40X« »||4.9 in||3.7 in||2.5 in||18.4 oz||520||n||Mar 2007||729||-||Nikon D40X|
|Nikon D80« »||5.2 in||4.1 in||3.0 in||23.6 oz||600||n||Aug 2006||999||-||Nikon D80|
|Nikon D50« »||5.2 in||4.0 in||3.0 in||21.9 oz||400||n||Apr 2005||749||-||Nikon D50|
|Nikon D70s« »||5.5 in||4.4 in||3.1 in||24.0 oz||500||n||Apr 2005||899||-||Nikon D70s|
|Nikon D70« »||5.5 in||4.4 in||3.1 in||24.0 oz||400||n||Jan 2004||999||-||Nikon D70|
|Panasonic G6« »||4.8 in||3.3 in||2.8 in||13.8 oz||340||n||Apr 2013||599||-||Panasonic G6|
|Panasonic G5« »||4.7 in||3.3 in||2.8 in||14.0 oz||320||n||Jul 2012||599||-||Panasonic G5|
|Panasonic GX1« »||4.6 in||2.7 in||1.5 in||11.2 oz||320||n||Nov 2011||699||-||Panasonic GX1|
|Panasonic G2« »||4.9 in||3.3 in||2.9 in||15.1 oz||360||n||Mar 2010||599||-||Panasonic G2|
|Panasonic GH2« »||4.9 in||3.5 in||3.0 in||15.6 oz||330||n||Sep 2010||899||-||Panasonic GH2|
|Note: Measurements and pricing do not include easily detachable parts, such as interchangeable lenses or optional viewfinders.|
Any camera decision will obviously take relative prices into account. The retail prices at the time of the camera’s release place the model in the market relative to other models in the producer’s line-up and the competition. The D40 was launched at a somewhat lower price (by 17 percent) than the G3, 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.
Sensor comparison: Nikon D40 vs Panasonic G3
The size of the imaging sensor is a crucial determinant of image quality. A large sensor will generally have larger individual pixels that offer better low-light sensitivity, provide wider dynamic range, and have 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 are more costly to manufacture and tend to lead to bigger and heavier cameras and lenses.
Of the two cameras under consideration, the Nikon D40 features an APS-C sensor and the Panasonic G3 a Four Thirds sensor. The sensor area in the G3 is 39 percent smaller. As a result of these sensor size differences, the cameras have a format factor of, respectively, 1.5 and 2.0. The sensor in the D40 has a native 3:2 aspect ratio, while the one in the G3 offers a 4:3 aspect.
Despite having a smaller sensor, the G3 offers a higher resolution of 15.8 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 3.77μm versus 7.85μm for the D40). However, it should be noted that the G3 is much more recent (by 4 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 Panasonic G3 implies greater flexibility for cropping images or the possibility to print larger pictures. The maximum print size of the G3 for good quality output (200 dots per inch) amounts to 23 x 17.2 inch or 58.3 x 43.8 cm, for very good quality (250 dpi) 18.4 x 13.8 inch or 46.7 x 35 cm, and for excellent quality (300 dpi) 15.3 x 11.5 inch or 38.9 x 29.2 cm. The corresponding values for the Nikon D40 are 15 x 10 inch or 38.2 x 25.4 cm for good quality, 12 x 8 inch or 30.6 x 20.3 cm for very good quality, and 10 x 6.7 inch 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 Panasonic Lumix DMC-G3 are ISO 160 to ISO 6400 (no boost).
Since 2007, DXO Mark has published sensor performance measurements that have been derived using a consistent methodology. 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 table below summarizes the physical sensor characteristics and sensor quality findings and compares them across a set of similar cameras.
|Nikon D40»||APS-C||6.0||3008||2000||-||21.0||11.0||561||56||Nikon D40|
|Panasonic G3«||Four Thirds||15.8||4592||3448||1080/60i||21.0||10.6||667||56||Panasonic G3|
|Nikon D3400« »||APS-C||24.0||6000||4000||1080/60p||24.8||13.9||1192||86||Nikon D3400|
|Nikon D3300« »||APS-C||24.0||6000||4000||1080/60p||24.3||12.8||1385||82||Nikon D3300|
|Nikon D3100« »||APS-C||14.2||4608||3072||1080/24p||22.5||11.3||919||67||Nikon D3100|
|Nikon D3000« »||APS-C||10.0||3872||2592||-||22.3||11.1||563||62||Nikon D3000|
|Nikon D60« »||APS-C||10.0||3872||2592||-||22.5||11.4||562||65||Nikon D60|
|Nikon D40X« »||APS-C||10.0||3872||2592||-||22.4||11.4||516||63||Nikon D40X|
|Nikon D80« »||APS-C||10.0||3872||2592||-||22.1||11.2||524||61||Nikon D80|
|Nikon D50« »||APS-C||6.0||3008||2000||-||20.9||10.8||560||55||Nikon D50|
|Nikon D70s« »||APS-C||6.0||3008||2000||-||20.4||10.3||529||50||Nikon D70s|
|Nikon D70« »||APS-C||6.0||3008||2000||-||20.4||10.3||529||50||Nikon D70|
|Panasonic G6« »||Four Thirds||15.9||4608||3456||1080/60p||21.3||11.5||639||61||Panasonic G6|
|Panasonic G5« »||Four Thirds||15.9||4608||3456||1080/60p||-||-||-||-||Panasonic G5|
|Panasonic GX1« »||Four Thirds||15.8||4592||3448||1080/60p||20.8||10.6||703||55||Panasonic GX1|
|Panasonic G2« »||Four Thirds||12.0||4000||3000||720/30p||21.2||10.3||493||53||Panasonic G2|
|Panasonic GH2« »||Four Thirds||15.9||4608||3456||1080/60i||21.2||11.3||655||60||Panasonic GH2|
Many modern cameras cannot only take still pictures, but also record videos. The G3 indeed provides for movie recording, while the D40 does not. The highest resolution format that the G3 can use is 1080/60i.
Feature comparison: Nikon D40 vs Panasonic G3
Apart from body and sensor, cameras can and do differ across a range of features. For example, the G3 has an electronic viewfinder (1440k dots), while the D40 has an optical one. Both systems have their advantages, with the electronic viewfinder making it possible to project supplementary shooting information into the framing view, whereas the optical viewfinder offers lag-free viewing and a very clear framing image. The viewfinder in the G3 offers a wider field of view (100%) than the one in the D40 (95%), so that a larger proportion of the captured image is visible in the finder. In addition, the viewfinder of the G3 has a higher magnification (0.70x vs 0.53x), so that the size of the image transmitted appears closer to the size seen with the naked human eye. The table below summarizes some of the other core capabilities of the Nikon D40 and Panasonic G3 in connection with corresponding information for a sample of similar cameras.
|Nikon D40»||optical||n||2.5||230||fixed||n||1/4000s||2.5||Y||n||Nikon D40|
|Panasonic G3«||1440||n||3.0||460||swivel||Y||1/4000s||4.0||Y||n||Panasonic G3|
|Nikon D3400« »||optical||n||3.0||921||fixed||n||1/4000s||5.0||Y||n||Nikon D3400|
|Nikon D3300« »||optical||n||3.0||921||fixed||n||1/4000s||5.0||Y||n||Nikon D3300|
|Nikon D3100« »||optical||n||3.0||230||fixed||n||1/4000s||3.0||Y||n||Nikon D3100|
|Nikon D3000« »||optical||n||3.0||230||fixed||n||1/4000s||3.0||Y||n||Nikon D3000|
|Nikon D60« »||optical||n||2.5||230||fixed||n||1/4000s||3.0||Y||n||Nikon D60|
|Nikon D40X« »||optical||n||2.5||230||fixed||n||1/4000s||3.0||Y||n||Nikon D40X|
|Nikon D80« »||optical||n||2.5||230||fixed||n||1/4000s||3.0||Y||n||Nikon D80|
|Nikon D50« »||optical||n||2.0||130||fixed||n||1/4000s||2.5||Y||n||Nikon D50|
|Nikon D70s« »||optical||n||2.0||130||fixed||n||1/8000s||3.0||Y||n||Nikon D70s|
|Nikon D70« »||optical||n||1.8||130||fixed||n||1/8000s||3.0||Y||n||Nikon D70|
|Panasonic G6« »||1440||n||3.0||1036||swivel||Y||1/4000s||7.0||Y||n||Panasonic G6|
|Panasonic G5« »||1440||n||3.0||920||swivel||Y||1/4000s||6.0||Y||n||Panasonic G5|
|Panasonic GX1« »||-||n||3.0||460||fixed||Y||1/4000s||4.2||Y||n||Panasonic GX1|
|Panasonic G2« »||1440||n||3.0||460||swivel||Y||1/4000s||2.6||Y||n||Panasonic G2|
|Panasonic GH2« »||1534||n||3.0||460||swivel||n||1/4000s||3.0||Y||n||Panasonic GH2|
One differentiating feature between the two cameras concerns the touch sensitivity of the rear screen. The G3 has a touchscreen, while the D40 has a conventional panel. Touch control can be particularly helpful, for example, for setting the focus point.The G3 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 G3 uses SDXC cards.
Connectivity comparison: Nikon D40 vs Panasonic G3
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 Panasonic Lumix DMC-G3 and, in particular, the interfaces the cameras (and selected comparators) provide for accessory control and data transfer.
|Nikon D40»||Y||-||-||-||-||-||2.0||-||-||-||Nikon D40|
|Panasonic G3«||Y||stereo||mono||-||-||mini||2.0||-||-||-||Panasonic G3|
|Nikon D3400« »||Y||mono||mono||-||-||mini||2.0||Y||-||Y||Nikon D3400|
|Nikon D3300« »||Y||mono||mono||Y||-||mini||2.0||-||-||-||Nikon D3300|
|Nikon D3100« »||Y||mono||mono||-||-||mini||2.0||-||-||-||Nikon D3100|
|Nikon D3000« »||Y||-||-||-||-||-||2.0||-||-||-||Nikon D3000|
|Nikon D60« »||Y||-||-||-||-||-||2.0||-||-||-||Nikon D60|
|Nikon D40X« »||Y||-||-||-||-||-||2.0||-||-||-||Nikon D40X|
|Nikon D80« »||Y||-||-||-||-||-||2.0||-||-||-||Nikon D80|
|Nikon D50« »||Y||-||-||-||-||-||2.0||-||-||-||Nikon D50|
|Nikon D70s« »||Y||-||-||-||-||-||2.0||-||-||-||Nikon D70s|
|Nikon D70« »||Y||-||-||-||-||-||1.0||-||-||-||Nikon D70|
|Panasonic G6« »||Y||stereo||mono||Y||-||mini||2.0||Y||Y||-||Panasonic G6|
|Panasonic G5« »||Y||stereo||mono||-||-||mini||2.0||-||-||-||Panasonic G5|
|Panasonic GX1« »||Y||stereo||mono||-||-||mini||2.0||-||-||-||Panasonic GX1|
|Panasonic G2« »||Y||stereo||mono||-||-||mini||2.0||-||-||-||Panasonic G2|
|Panasonic GH2« »||Y||stereo||mono||Y||-||mini||2.0||-||-||-||Panasonic GH2|
Both the D40 and the G3 have been discontinued, but can regularly be found used on eBay. The D40 was replaced by the Nikon D40X, while the G3 was followed by the Panasonic G5. Further information on the two cameras (e.g. user guides, manuals), as well as related accessories, can be found on the official Nikon and Panasonic websites.
Review summary: Nikon D40 vs Panasonic G3
So what is the bottom line? Is there a clear favorite between the Nikon D40 and the Panasonic G3? Which camera is better? Below is a summary of the relative strengths of each of the two contestants.
Reasons to prefer the Nikon D40:
- Brighter framing: Features an optical viewfinder for clear, lag-free composition.
- Longer lasting: Can take more shots (470 versus 270) on a single battery charge.
- 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).
Advantages of the Panasonic Lumix DMC-G3:
- More detail: Has more megapixels (15.8 vs 6MP), which boosts linear resolution by 59%.
- Broader imaging potential: Can capture not only stills but also 1080/60i video.
- More framing info: Has an electronic viewfinder that displays shooting data.
- More complete view: Has a viewfinder with a larger field of view (100% vs 95%).
- Larger viewfinder image: Features a viewfinder with a higher magnification (0.70x 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 (460k vs 230k dots).
- More flexible LCD: Has swivel screen for odd-angle shots in portrait or landscape orientation.
- Fewer buttons to press: Has a touchscreen to facilitate handling and shooting adjustments.
- More selfie-friendly: Has an articulated screen that can be turned to be front-facing.
- Faster burst: Shoots at higher frequency (4 vs 2.5 flaps/sec) to capture the decisive moment.
- More compact: Is smaller (115x84mm vs 124x94mm) and will fit more readily into a bag.
- Less heavy: Has a lower weight (by 186g or 36 percent) and is thus easier to take along.
- More legacy lens friendly: Can use many non-native lenses via adapters.
- More modern: Reflects 4 years and 5 months of technical progress since the D40 launch.
If the count of relative strengths (bullet points above) is taken as a measure, the G3 is the clear winner of the contest (15 : 4 points). However, the relative importance of the various individual camera aspects will vary according to personal preferences and needs, so that you might like to apply corresponding weights to the particular features before making a decision on a new camera. 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.
How about other alternatives? Do the specifications of the Nikon D40 and the Panasonic G3 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 the spec-sheets of cameras can offer a general idea of their imaging potential, it remains incomplete and does no justice, for example, to the way the D40 or the G3 perform in practice. 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: Nikon D40 vs Panasonic G3
This is why hands-on reviews by experts are important. The following table reports the overall ratings of the cameras as published by some of the major 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.
|Nikon D40»||81/100||+ +||o||5/5||4.5/5||Nov 2006||499||-||Nikon D40|
|Panasonic G3«||+ +||75/100||4.5/5||4.5/5||5/5||May 2011||599||-||Panasonic G3|
|Nikon D3400« »||+||76/100||4/5||4.5/5||4.5/5||Aug 2016||499||-||Nikon D3400|
|Nikon D3300« »||+||77/100||4.5/5||4.5/5||4.5/5||Jan 2014||499||-||Nikon D3300|
|Nikon D3100« »||+ +||72/100||4.5/5||5/5||4.5/5||Aug 2010||599||-||Nikon D3100|
|Nikon D3000« »||+||72/100||4/5||3.5/5||4.5/5||Jul 2009||599||-||Nikon D3000|
|Nikon D60« »||80/100||+ +||4/5||o||4.5/5||Jan 2008||629||-||Nikon D60|
|Nikon D40X« »||79/100||+ +||4/5||o||4/5||Mar 2007||729||-||Nikon D40X|
|Nikon D80« »||+||+ +||o||4.5/5||4.5/5||Aug 2006||999||-||Nikon D80|
|Nikon D50« »||78/100||+ +||4/5||o||4.5/5||Apr 2005||749||-||Nikon D50|
|Nikon D70s« »||-||-||-||o||5/5||Apr 2005||899||-||Nikon D70s|
|Nikon D70« »||-||+ +||-||o||-||Jan 2004||999||-||Nikon D70|
|Panasonic G6« »||+ +||-||5/5||-||4.5/5||Apr 2013||599||-||Panasonic G6|
|Panasonic G5« »||+ +||-||4.5/5||4.5/5||4.5/5||Jul 2012||599||-||Panasonic G5|
|Panasonic GX1« »||+||77/100||4.5/5||4.5/5||4.5/5||Nov 2011||699||-||Panasonic GX1|
|Panasonic G2« »||-||72/100||4/5||4/5||4.5/5||Mar 2010||599||-||Panasonic G2|
|Panasonic GH2« »||+ +||79/100||4.5/5||4.5/5||5/5||Sep 2010||899||-||Panasonic GH2|
|Notes: (+ +) highly recommended; (+) recommended; (o) reviewed; (-) not available.|
Care should be taken when interpreting the review scores above, though. The assessments were made in relation to similar cameras of the same technological generation. Hence, a score should always be seen in the context of the camera's market launch date and its price, and comparing ratings of very distinct cameras or ones that are far apart in terms of their release date have little meaning. Also, kindly note that some of the listed sites have over time developped their review approaches and their reporting style.
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 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.
- Canon 200D vs Panasonic G3
- Canon T6 vs Nikon D40
- Fujifilm X100S vs Nikon D40
- Nikon 1 J4 vs Nikon D40
- Nikon D300S vs Nikon D40
- Nikon D40 vs Nikon D50
- Nikon D40 vs Nikon D7200
- Nikon D40 vs Nikon D80
- Nikon D40 vs Sony A6300
- Olympus E-M10 III vs Panasonic G3
- Panasonic G3 vs Panasonic GF3
- Panasonic G3 vs Sony NEX-3
Specifications: Nikon D40 vs Panasonic G3
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 Model||Nikon D40||Panasonic G3|
|Camera Type||Digital single lens reflex||Mirrorless system camera|
|Camera Lens||Nikon F mount lenses||Micro Four Thirds lenses|
|Launch Date||November 2006||May 2011|
|Launch Price||USD 499||USD 599|
|Sensor Specs||Nikon D40||Panasonic G3|
|Sensor Format||APS-C Sensor||Four Thirds Sensor|
|Sensor Size||23.7 x 15.6 mm||17.3 x 13.0 mm|
|Sensor Area||369.72 mm2||224.9 mm2|
|Sensor Diagonal||28.4 mm||21.6 mm|
|Sensor Resolution||6 Megapixels||15.8 Megapixels|
|Image Resolution||3008 x 2000 pixels||4592 x 3448 pixels|
|Pixel Pitch||7.85 μm||3.77 μm|
|Pixel Density||1.63 MP/cm2||7.04 MP/cm2|
|Moiré control||Anti-Alias filter||Anti-Alias filter|
|Movie Capability||no Video||1080/60i Video|
|ISO Setting||200-1600 ISO||160-6400 ISO|
|ISO Boost||200-3200 ISO||no Enhancement|
|DXO Sensor Quality (score)||56||56|
|DXO Color Depth (bits)||21.0||21.0|
|DXO Dynamic Range (EV)||11.0||10.6|
|DXO Low Light (ISO)||561||667|
|Screen Specs||Nikon D40||Panasonic G3|
|Viewfinder Type||Optical viewfinder||Electronic viewfinder|
|Viewfinder Field of View||95%||100%|
|Viewfinder Resolution||1440k dots|
|LCD Framing||Live View|
|Rear LCD Size||2.5 inch||3.0 inch|
|LCD Resolution||230k dots||460k dots|
|LCD Attachment||Fixed screen||Swivel screen|
|Touch Input||no Touchscreen||Touchscreen|
|Shooting Specs||Nikon D40||Panasonic G3|
|Autofocus System||Phase-detect AF||Contrast-detect AF|
|Continuous Shooting||2.5 shutter flaps/s||4 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||no|
|Connectivity Specs||Nikon D40||Panasonic G3|
|USB Connector||USB 2.0||USB 2.0|
|HDMI Port||no HDMI||mini HDMI|
|Wifi Support||no Wifi||no Wifi|
|Body Specs||Nikon D40||Panasonic G3|
|Battery Type||EN-EL9 power pack||DMW-BLD10 power pack|
|Battery Life (CIPA)||470 shots per charge||270 shots per charge|
124 x 94 x 64 mm
(4.9 x 3.7 x 2.5 in)
115 x 84 x 47 mm
(4.5 x 3.3 x 1.9 in)
|Camera Weight||522 g (18.4 oz)||336 g (11.9 oz)|
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