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Nikon D40 vs Panasonic G9

The Nikon D40 and the Panasonic Lumix DC-G9 are two digital cameras that were revealed to the public, respectively, in November 2006 and November 2017. The D40 is a DSLR, while the G9 is a mirrorless interchangeable lens camera. The cameras are based on an APS-C (D40) and a Four Thirds (G9) sensor. The Nikon has a resolution of 6 megapixels, whereas the Panasonic provides 20.2 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
Panasonic G9
Nikon D40   Panasonic G9
Digital single lens reflex Mirrorless system camera
Nikon F mount lenses Micro Four Thirds lenses
6 MP – APS-C sensor 20.2 MP – Four Thirds sensor
no Video 4K/60p Video
ISO 200-1,600 (200 - 3,200) ISO 200-25,600
Optical viewfinder Electronic viewfinder (3680k dots)
2.5" LCD – 230k dots 3.0" LCD – 1040k dots
Fixed screen (not touch-sensitive) Swivel touchscreen
2.5 shutter flaps per second 20 shutter flaps per second
Lens stabilization onlyIn-body stabilization
not weather sealedWeathersealed body
470 shots per battery charge400 shots per battery charge
124 x 94 x 64 mm, 522 g 137 x 97 x 92 mm, 658 g
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Check D40 offers at
ebay.com
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Check G9 offers at
ebay.com

Going beyond this snapshot of core features and characteristics, what are the differences between the Nikon D40 and the Panasonic Lumix DC-G9? 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 Panasonic G9. 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.

Size Nikon D40 vs Panasonic G9
Compare D40 versus G9 top
Comparison D40 or G9 rear

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Panasonic G9 is notably larger (14 percent) than the Nikon D40. Moreover, the G9 is markedly heavier (26 percent) than the D40. It is noteworthy in this context that the G9 is splash and dust-proof, while the D40 does not feature any corresponding weather-sealing.

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 (G9). Mirrorless cameras, such as the G9, 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 G9 can take 400 images on a single charge of its Panasonic DMW-BLF19 power pack. The power pack in the G9 can be charged via the USB port, which can be very convenient when travelling.

The table below summarizes the key physical specs of the two cameras alongside a broader set of comparators. If you would like to visualize and compare a different camera combination, you can navigate to the CAM-parator app and make your selection from a broad list of cameras 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.
 
Panasonic G9 137 mm 97 mm 92 mm 658 g 400 Y Nov 2017 US$ 1 699ebay.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 D60 126 mm 94 mm 64 mm 522 g 500 n Jan 2008 US$ 629ebay.com
6.
 
Nikon D70 140 mm 111 mm 78 mm 679 g 400 n Jan 2004 US$ 999ebay.com
7.
 
Nikon D70s 140 mm 111 mm 78 mm 679 g 500 n Apr 2005 US$ 899ebay.com
8.
 
Nikon D80 132 mm 103 mm 77 mm 668 g 600 n Aug 2006 US$ 999ebay.com
9.
 
Nikon D3000 126 mm 97 mm 64 mm 536 g 500 n Jul 2009 US$ 599ebay.com
10.
 
Nikon D3100 124 mm 96 mm 75 mm 505 g 550 n Aug 2010 US$ 599ebay.com
11.
 
Nikon D3300 124 mm 98 mm 76 mm 430 g 700 n Jan 2014 US$ 499ebay.com
12.
 
Nikon D3400 124 mm 98 mm 76 mm 445 g 1200 n Aug 2016 US$ 499ebay.com
13.
 
Olympus E-M1 II 134 mm 91 mm 67 mm 574 g 440 Y Sep 2016 US$ 1 999ebay.com
14.
 
Panasonic G9 II 134 mm 102 mm 90 mm 658 g 390 Y Sep 2023 US$ 1 899 amazon.com
15.
 
Panasonic G85 128 mm 89 mm 74 mm 505 g 330 Y Sep 2016 US$ 899ebay.com
16.
 
Panasonic GH5 139 mm 98 mm 87 mm 725 g 410 Y Jan 2017 US$ 1 999ebay.com
17.
 
Panasonic GH5 II 139 mm 98 mm 87 mm 727 g 400 Y May 2021 US$ 1 699 amazon.com
Note: Measurements and pricing do not include easily detachable parts, such as add-on or interchangeable lenses or optional viewfinders.

Any camera decision will obviously take relative prices into account. The manufacturer’s suggested retail prices give an idea on the placement of the camera in the maker’s lineup and the broader market. The D40 was launched at a markedly lower price (by 71 percent) than the G9, which puts it into a different market segment. 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 imaging sensor is a crucial determinant 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.

Of the two cameras under consideration, the Nikon D40 features an APS-C sensor and the Panasonic G9 a Four Thirds sensor. The sensor area in the G9 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 G9 offers a 4:3 aspect.

Nikon D40 and Panasonic G9 sensor measures

Despite having a smaller sensor, the G9 offers a higher resolution of 20.2 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 3.34μm versus 7.85μm for the D40). However, it should be noted that the G9 is much more recent (by 10 years and 11 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. Coming back to sensor resolution, it should be mentioned that the G9 has no anti-alias filter installed, so that it can capture all the detail its sensor resolves.

The resolution advantage of the Panasonic G9 implies greater flexibility for cropping images or the possibility to print larger pictures. The maximum print size of the G9 for good quality output (200 dots per inch) amounts to 25.9 x 19.4 inches or 65.8 x 49.4 cm, for very good quality (250 dpi) 20.7 x 15.6 inches or 52.7 x 39.5 cm, and for excellent quality (300 dpi) 17.3 x 13 inches or 43.9 x 32.9 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.

Unlike the D40, the G9 has the capacity to capture high quality composite images (80.6MP) by combining multiple shots after shifting its sensor by miniscule distances. This multi-shot, pixel-shift mode is most suitable for photography of stationary objects (landscapes, studio scenes).

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 DC-G9 are ISO 200 to ISO 25600, with the possibility to increase the ISO range to 100-25600.

In terms of underlying technology, the D40 is build around a CCD sensor, while the G9 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 G9 MP

Since 2007, DXO Mark has published sensor performance measurements that have been derived using a consistent methodology. 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"). 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.
 
Panasonic G9 Four Thirds 20.2 5184 38884K/60p23.112.8113874
3.
 
Nikon D40X APS-C 10.0 3872 2592none22.411.451663
4.
 
Nikon D50 APS-C 6.0 3008 2000none20.910.856055
5.
 
Nikon D60 APS-C 10.0 3872 2592none22.511.456265
6.
 
Nikon D70 APS-C 6.0 3008 2000none20.410.352950
7.
 
Nikon D70s APS-C 6.0 3008 2000none20.410.352950
8.
 
Nikon D80 APS-C 10.0 3872 2592none22.111.252461
9.
 
Nikon D3000 APS-C 10.0 3872 2592none22.311.156362
10.
 
Nikon D3100 APS-C 14.2 4608 30721080/24p22.511.391967
11.
 
Nikon D3300 APS-C 24.0 6000 40001080/60p24.312.8138582
12.
 
Nikon D3400 APS-C 24.0 6000 40001080/60p24.813.9119286
13.
 
Olympus E-M1 II Four Thirds 20.2 5184 38884K/30p23.712.8131280
14.
 
Panasonic G9 II Four Thirds 25.0 5776 43365.7K/60p23.413.5171078
15.
 
Panasonic G85 Four Thirds 15.8 4592 34484K/30p22.812.565671
16.
 
Panasonic GH5 Four Thirds 20.2 5184 38884K/60p23.913.080777
17.
 
Panasonic GH5 II Four Thirds 20.2 5184 38884K/60p23.713.1113679
Note: DXO values in italics represent estimates based on sensor size and age.

Many modern cameras cannot only take still pictures, but also record videos. The G9 indeed provides for movie recording, while the D40 does not. The highest resolution format that the G9 can use is 4K/60p.

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Feature comparison

Apart from body and sensor, cameras can and do differ across a variety of features. For example, the G9 has an electronic viewfinder (3680k 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 G9 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 G9 has a higher magnification (0.83x 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 G9 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.
 
Panasonic G93680 Y3.0 / 1040 swivel Y 1/8000s 20.0/s n Y
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 D60optical n2.5 / 230 fixed n 1/4000s 3.0/s Y n
6.
 
Nikon D70optical n1.8 / 130 fixed n 1/8000s 3.0/s Y n
7.
 
Nikon D70soptical n2.0 / 130 fixed n 1/8000s 3.0/s Y n
8.
 
Nikon D80optical n2.5 / 230 fixed n 1/4000s 3.0/s Y n
9.
 
Nikon D3000optical n3.0 / 230 fixed n 1/4000s 3.0/s Y n
10.
 
Nikon D3100optical n3.0 / 230 fixed n 1/4000s 3.0/s Y n
11.
 
Nikon D3300optical n3.0 / 921 fixed n 1/4000s 5.0/s Y n
12.
 
Nikon D3400optical n3.0 / 921 fixed n 1/4000s 5.0/s Y n
13.
 
Olympus E-M1 II2360 n3.0 / 1037 swivel Y 1/8000s 18.0/s n Y
14.
 
Panasonic G9 II3680 n3.0 / 1840 swivel Y 1/8000s 10.0/s n Y
15.
 
Panasonic G852360 n3.0 / 1040 swivel Y 1/4000s 9.0/s Y Y
16.
 
Panasonic GH53680 n3.2 / 1620 swivel Y 1/8000s 12.0/s n Y
17.
 
Panasonic GH5 II3680 n3.0 / 1840 swivel Y 1/8000s 12.0/s n Y
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 G9 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 G9 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 reported shutter speed information refers to the use of the mechanical shutter. Yet, some cameras only have an electronic shutter, while others have an electronic shutter in addition to a mechanical one. In fact, the G9 is one of those camera that have an additional electronic shutter, which makes completely silent shooting possible. However, this mode is less suitable for photographing moving objects (risk of rolling shutter) or shooting under artificial light sources (risk of flickering).

The Panasonic G9 has an intervalometer built-in. This enables the photographer to capture time lapse sequences, such as flower blooming, a sunset or moon rise, without purchasing an external camera trigger and related software.

The D40 writes its imaging data to SDHC cards, while the G9 uses SDXC cards. The G9 features dual card slots, which can be very useful in case a memory card fails. In contrast, the D40 only has one slot. The G9 supports UHS-II cards (on both slots), while the D40 cannot take advantage of Ultra High Speed SD 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 Panasonic Lumix DC-G9 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.
 
Panasonic G9Ystereo / monoYYfull3.0Y-Y
3.
 
Nikon D40XY- / ----2.0---
4.
 
Nikon D50Y- / ----2.0---
5.
 
Nikon D60Y- / ----2.0---
6.
 
Nikon D70Y- / ----1.0---
7.
 
Nikon D70sY- / ----2.0---
8.
 
Nikon D80Y- / ----2.0---
9.
 
Nikon D3000Y- / ----2.0---
10.
 
Nikon D3100Ymono / mono--mini2.0---
11.
 
Nikon D3300Ymono / monoY-mini2.0---
12.
 
Nikon D3400Ymono / mono--mini2.0--Y
13.
 
Olympus E-M1 IIYstereo / monoYYmicro3.0Y--
14.
 
Panasonic G9 IIYstereo / monoYYfull3.2Y-Y
15.
 
Panasonic G85Ystereo / monoY-micro2.0Y--
16.
 
Panasonic GH5Ystereo / monoYYfull3.1Y-Y
17.
 
Panasonic GH5 IIYstereo / monoYYfull3.2Y-Y

It is notable that the G9 offers wifi support, which can be a very convenient means to transfer image data to an off-camera location. In contrast, the D40 does not provide wifi capability.

Studio photographers will appreciate that the Panasonic G9 (unlike the D40) features a PC Sync socket, so that professional strobe lights can be controlled by the camera.

Both the D40 and the G9 have been discontinued, but can regularly be found used on ebay. The D40 was replaced by the Nikon D40X, while the G9 was followed by the Panasonic G9 II. Further information on the features and operation of the D40 and G9 can be found, respectively, in the Nikon D40 Manual (free pdf) or the online Panasonic G9 Manual.

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Review summary

So what is the bottom line? Which of the two cameras – the Nikon D40 or the Panasonic G9 – 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:

  • Better moiré control: Has an anti-alias filter to avoid artificial patterns to appear in images.
  • Brighter framing: Features an optical viewfinder for clear, lag-free composition.
  • More compact: Is smaller (124x94mm vs 137x97mm) and thus needs less room in the bag.
  • Less heavy: Is lighter (by 136g or 21 percent) and hence easier to carry around.
  • Longer lasting: Can take more shots (470 versus 400) 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 category (71 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 Panasonic Lumix DC-G9:

  • More detail: Has more megapixels (20.2 vs 6MP), which boosts linear resolution by 79%.
  • Maximized detail: Lacks an anti-alias filter to exploit the sensor's full resolution potential.
  • High quality composites: Can combine several shots after pixel-shifting its sensor.
  • Broader imaging potential: Can capture not only stills but also 4K/60p 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 (0.83x vs 0.53x).
  • Easier setting verification: Features a control panel on top to check shooting parameters.
  • 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).
  • More flexible LCD: Has a 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 shutter: Has higher mechanical shutter speed (1/8000s vs 1/4000s) to freeze action.
  • Faster burst: Shoots at higher frequency (20 vs 2.5 flaps/sec) to capture the decisive moment.
  • Less disturbing: Has an electronic shutter option for completely silent shooting.
  • Easier time-lapse photography: Has an intervalometer built-in for low frequency shooting.
  • Easier travel charging: Can be conveniently charged via its USB port.
  • Better sealing: Is splash and dust sealed for shooting in inclement weather conditions.
  • Sharper images: Has stabilization technology built-in to reduce the impact of hand-shake.
  • More legacy lens friendly: Can use many non-native lenses via adapters.
  • Faster data transfer: Supports a more advanced USB protocol (3.0 vs 2.0).
  • Easier file upload: Has wifi built in for automatic backup or image transfer to the web.
  • Easier wireless transfer: Supports Bluetooth for image sharing without cables.
  • Better studio light control: Has a PC Sync socket to connect to professional strobe lights.
  • Greater peace of mind: Features a second card slot as a backup in case of memory card failure.
  • Faster buffer clearing: Supports Ultra High Speed (UHS-II) SDXC cards on both slots.
  • More modern: Reflects 10 years and 11 months of technical progress since the D40 launch.

If the count of individual advantages (bullet points above) is taken as a guide, the G9 is the clear winner of the contest (28 : 8 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 08:28 G9

How about other alternatives? Do the specifications of the Nikon D40 and the Panasonic G9 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 G9. 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.
 
Panasonic G9..+ +5/585/1005/55/5 Nov 2017 US$ 1 699ebay.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 D60..80/100..+ +4/54.5/5 Jan 2008 US$ 629ebay.com
6.
 
Nikon D70......+ +.... Jan 2004 US$ 999ebay.com
7.
 
Nikon D70s..........5/5 Apr 2005 US$ 899ebay.com
8.
 
Nikon D80..+..+ +o4.5/5 Aug 2006 US$ 999ebay.com
9.
 
Nikon D3000..+..72/1004/54.5/5 Jul 2009 US$ 599ebay.com
10.
 
Nikon D31005/5+ +..72/1004.5/54.5/5 Aug 2010 US$ 599ebay.com
11.
 
Nikon D33003/5+..77/1004.5/54.5/5 Jan 2014 US$ 499ebay.com
12.
 
Nikon D34004/5+4/576/1004/54.5/5 Aug 2016 US$ 499ebay.com
13.
 
Olympus E-M1 II5/5+ +5/585/1004.5/54.5/5 Sep 2016 US$ 1 999ebay.com
14.
 
Panasonic G9 II5/5..4.5/587/100..4.5/5 Sep 2023 US$ 1 899 amazon.com
15.
 
Panasonic G85..+ +..84/1005/54.5/5 Sep 2016 US$ 899ebay.com
16.
 
Panasonic GH54.5/5+ +..85/1004.5/55/5 Jan 2017 US$ 1 999ebay.com
17.
 
Panasonic GH5 II4.5/5..4.5/585/1004.5/55/5 May 2021 US$ 1 699 amazon.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 Panasonic G9

    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 Panasonic G9
    Camera Type Digital single lens reflex Mirrorless system camera
    Camera Lens Nikon F mount lenses Micro Four Thirds lenses
    Launch Date November 2006 November 2017
    Launch Price USD 499 USD 1,699
    Sensor Specs Nikon D40 Panasonic G9
    Sensor Technology CCD CMOS
    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
    Crop Factor 1.5x 2.0x
    Sensor Resolution 6 Megapixels 20.2 Megapixels
    Image Resolution 3008 x 2000 pixels 5184 x 3888 pixels
    Pixel Pitch 7.85 μm 3.34 μm
    Pixel Density 1.63 MP/cm2 8.96 MP/cm2
    Moiré control Anti-Alias filter no AA filter
    Movie Capability no Video 4K/60p Video
    ISO Setting 200 - 1,600 ISO 200 - 25,600 ISO
    ISO Boost 200 - 3,200 ISO 100 - 25,600 ISO
    DXO Sensor Quality (score) 56 ..
    DXO Color Depth (bits) 21.0 ..
    DXO Dynamic Range (EV) 11.0 ..
    DXO Low Light (ISO) 561 ..
    Screen Specs Nikon D40 Panasonic G9
    Viewfinder Type Optical viewfinder Electronic viewfinder
    Viewfinder Field of View 95% 100%
    Viewfinder Magnification 0.53x 0.83x
    Viewfinder Resolution 3680k dots
    Top-Level Screen no Top Display Control Panel
    LCD Framing Live View
    Rear LCD Size 2.5inch 3.0inch
    LCD Resolution 230k dots 1040k dots
    LCD Attachment Fixed screen Swivel screen
    Touch Input no Touchscreen Touchscreen
    Shooting Specs Nikon D40 Panasonic G9
    Focus System Phase-detect AF Contrast-detect AF
    Manual Focusing Aidno Peaking FeatureFocus Peaking
    Max Shutter Speed (mechanical) 1/4000s 1/8000s
    Continuous Shooting 2.5 shutter flaps/s 20 shutter flaps/s
    Shutter Life Expectancy50 000 actuations200 000 actuations
    Electronic Shutterno E-Shutterup to 1/32000s
    Time-Lapse Photographyno IntervalometerIntervalometer built-in
    Image StabilizationLens stabilization onlyIn-body stabilization
    Fill Flash Built-in Flash no On-Board Flash
    Storage Medium SDHC cards SDXC cards
    Single or Dual Card Slots Single card slot Dual card slots
    UHS card support no Dual UHS-II
    Connectivity Specs Nikon D40 Panasonic G9
    External Flash Hotshoe Hotshoe
    Studio Flash no PC Sync PC Sync socket
    USB Connector USB 2.0 USB 3.0
    HDMI Port no HDMI full HDMI
    Microphone Port no MIC socket External MIC port
    Headphone Socket no Headphone port Headphone port
    Wifi Support no Wifi Wifi built-in
    Bluetooth Support no Bluetooth Bluetooth built-in
    Body Specs Nikon D40 Panasonic G9
    Environmental Sealingnot weather sealedWeathersealed body
    Battery Type Nikon EN-EL9 Panasonic DMW-BLF19
    Battery Life (CIPA)470 shots per charge400 shots per charge
    In-Camera Charging no USB charging USB charging
    Body Dimensions 124 x 94 x 64 mm
    (4.9 x 3.7 x 2.5 in)
    137 x 97 x 92 mm
    (5.4 x 3.8 x 3.6 in)
    Camera Weight 522 g (18.4 oz) 658 g (23.2 oz)
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