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Canon 400D vs Panasonic G9

The Canon EOS 400D (called Canon XTi in some regions) and the Panasonic Lumix DC-G9 are two digital cameras that were revealed to the public, respectively, in August 2006 and November 2017. The 400D is a DSLR, while the G9 is a mirrorless interchangeable lens camera. The cameras are based on an APS-C (400D) and a Four Thirds (G9) sensor. The Canon has a resolution of 10.1 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
Canon 400D
versus
Panasonic G9
Canon 400D   Panasonic G9
Digital single lens reflex Mirrorless system camera
Canon EF mount lenses Micro Four Thirds lenses
10.1 MP – APS-C sensor 20.2 MP – Four Thirds sensor
no Video 4K/60p Video
ISO 100-1,600 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
3 shutter flaps per second 20 shutter flaps per second
Lens stabilization onlyIn-body stabilization
not weather sealedWeathersealed body
370 shots per battery charge400 shots per battery charge
127 x 84 x 65 mm, 556 g 137 x 97 x 92 mm, 658 g
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Check 400D offers at
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Check G9 offers at
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Going beyond this snapshot of core features and characteristics, what are the differences between the Canon EOS 400D 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 Canon 400D and the Panasonic G9. The two cameras are presented according to their relative size. Three successive views from the front, the top, and the rear are shown. All width, height and depth dimensions are rounded to the nearest millimeter.

Size Canon 400D vs Panasonic G9
Compare 400D versus G9 top
Comparison 400D 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 (25 percent) than the Canon 400D. Moreover, the G9 is markedly heavier (18 percent) than the 400D. It is noteworthy in this context that the G9 is splash and dust-proof, while the 400D 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 Canon EF Lens Catalog (400D) 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 400D gets 370 shots out of its Canon NB-2LH 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 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, 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
# image Camera
Model
Camera
Width
Camera
Height
Camera
Depth
Camera
Weight
Battery
Life
Weather
Sealing
Camera
Launch
Launch
Price (USD)
Street
Price
1.
 
Canon 400D 127 mm 84 mm 65 mm 556 g 370 n Aug 2006 799ebay.com
2.
 
Panasonic G9 137 mm 97 mm 92 mm 658 g 400 Y Nov 2017 1,699ebay.com
3.
 
Canon 750D 132 mm 101 mm 78 mm 555 g 440 n Feb 2015 749ebay.com
4.
 
Canon 760D 132 mm 101 mm 78 mm 565 g 440 n Feb 2015 649ebay.com
5.
 
Canon 650D 133 mm 100 mm 79 mm 575 g 440 n Jun 2012 849ebay.com
6.
 
Canon 1100D 130 mm 100 mm 78 mm 495 g 700 n Feb 2011 449ebay.com
7.
 
Canon 550D 129 mm 98 mm 62 mm 530 g 440 n Feb 2010 699ebay.com
8.
 
Canon 500D 129 mm 98 mm 62 mm 520 g 400 n Mar 2009 799ebay.com
9.
 
Canon 450D 129 mm 98 mm 62 mm 524 g 500 n Jan 2008 799ebay.com
10.
 
Canon 40D 146 mm 108 mm 74 mm 822 g 750 n Aug 2007 1,299ebay.com
11.
 
Canon 350D 127 mm 94 mm 64 mm 540 g 400 n Feb 2005 899ebay.com
12.
 
Fujifilm X-H1 140 mm 97 mm 86 mm 673 g 310 Y Feb 2018 1,899ebay.com
13.
 
Nikon D40X 124 mm 94 mm 64 mm 522 g 520 n Mar 2007 729ebay.com
14.
 
Olympus E-M1 II 134 mm 91 mm 67 mm 574 g 440 Y Sep 2016 1,999ebay.com
15.
 
Panasonic G9 II 134 mm 102 mm 90 mm 658 g 390 Y Sep 2023 1,899 amazon.com
16.
 
Panasonic GH5 II 139 mm 98 mm 87 mm 727 g 400 Y May 2021 1,699 amazon.com
17.
 
Panasonic GH5 139 mm 98 mm 87 mm 725 g 410 Y Jan 2017 1,999ebay.com
Note: Measurements and pricing do not include easily detachable parts, such as add-on or interchangeable lenses or optional viewfinders.
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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 400D was launched at a markedly lower price (by 53 percent) than the G9, which puts it into a different market segment. 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 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. 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 Canon 400D features an APS-C sensor and the Panasonic G9 a Four Thirds sensor. The sensor area in the G9 is 32 percent smaller. As a result of these sensor size differences, the cameras have a format factor of, respectively, 1.6 and 2.0. The sensor in the 400D has a native 3:2 aspect ratio, while the one in the G9 offers a 4:3 aspect.

Canon 400D and Panasonic G9 sensor measures

Despite having a smaller sensor, the G9 offers a higher resolution of 20.2 megapixels, compared with 10.1 MP of the 400D. 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 5.71μm for the 400D). However, it should be noted that the G9 is much more recent (by 11 years and 2 months) than the 400D, 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 Canon 400D are 19.4 x 13 inches or 49.4 x 32.9 cm for good quality, 15.6 x 10.4 inches or 39.5 x 26.3 cm for very good quality, and 13 x 8.6 inches or 32.9 x 21.9 cm for excellent quality prints.

Unlike the 400D, 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 Canon EOS 400D has a native sensitivity range from ISO 100 to ISO 1600. 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.

Technology-wise, both cameras are equipped with CMOS (Complementary Metal–Oxide–Semiconductor) sensors. Both cameras use a Bayer filter for capturing RGB colors on a square grid of photosensors. This arrangement is found in most digital cameras.

400D versus G9 MP

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 table below summarizes the physical sensor characteristics and sensor quality findings and compares them across a set of similar cameras.

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Sensor Characteristics
# image Camera
Model
Sensor
Class
Resolution
(MP)
Horiz.
Pixels
Vert.
Pixels
Video
Format
DXO
Portrait
DXO
Landscape
DXO
Sports
DXO
Overall
1.
 
Canon 400D APS-C 10.1 3888 2592none22.111.066462
2.
 
Panasonic G9 Four Thirds 20.2 5184 38884K/60p23.112.8113874
3.
 
Canon 750D APS-C 24.0 6000 40001080/30p22.712.091971
4.
 
Canon 760D APS-C 24.0 6000 40001080/30p22.612.091570
5.
 
Canon 650D APS-C 17.9 5184 34561080/30p21.711.272262
6.
 
Canon 1100D APS-C 12.2 4272 2848720/30p21.911.075562
7.
 
Canon 550D APS-C 17.9 5184 34561080/30p22.111.578466
8.
 
Canon 500D APS-C 15.1 4752 31681080/20p21.711.566363
9.
 
Canon 450D APS-C 12.2 4272 2848none21.910.869261
10.
 
Canon 40D APS-C 10.1 3888 2592none22.111.370364
11.
 
Canon 350D APS-C 8.0 3456 2304none21.810.863760
12.
 
Fujifilm X-H1 APS-C 24.0 6000 40004K/30p24.013.3180682
13.
 
Nikon D40X APS-C 10.0 3872 2592none22.411.451663
14.
 
Olympus E-M1 II Four Thirds 20.2 5184 38884K/30p23.712.8131280
15.
 
Panasonic G9 II Four Thirds 25.0 5776 43365.7K/60p23.413.5171078
16.
 
Panasonic GH5 II Four Thirds 20.2 5184 38884K/60p23.713.1113679
17.
 
Panasonic GH5 Four Thirds 20.2 5184 38884K/60p23.913.080777
Note: DXO values in italics represent estimates based on sensor size and age.
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Many modern cameras cannot only take still pictures, but also record videos. The G9 indeed provides for movie recording, while the 400D 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 range of features. For example, the G9 has an electronic viewfinder (3680k dots), while the 400D 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 400D (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 0.49x), 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 Canon 400D, the Panasonic G9, and comparable cameras.

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Core Features
# image 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.
 
Canon 400Doptical n2.5 / 230 fixed n 1/4000s 3.0/s Y n
2.
 
Panasonic G93680 Y3.0 / 1040 swivel Y 1/8000s 20.0/s n Y
3.
 
Canon 750Doptical n3.0 / 1040 swivel Y 1/4000s 5.0/s Y n
4.
 
Canon 760Doptical Y3.0 / 1040 swivel Y 1/4000s 5.0/s Y n
5.
 
Canon 650Doptical n3.0 / 1040 swivel Y 1/4000s 5.0/s Y n
6.
 
Canon 1100Doptical n2.7 / 230 fixed n 1/4000s 3.0/s Y n
7.
 
Canon 550Doptical n3.0 / 1040 fixed n 1/4000s 3.7/s Y n
8.
 
Canon 500Doptical n3.0 / 920 fixed n 1/4000s 3.4/s Y n
9.
 
Canon 450Doptical n3.0 / 230 fixed n 1/4000s 3.5/s Y n
10.
 
Canon 40Doptical Y3.0 / 230 fixed n 1/8000s 6.5/s Y n
11.
 
Canon 350Doptical n1.8 / 115 fixed n 1/4000s 3.0/s Y n
12.
 
Fujifilm X-H13690 Y3.0 / 1040 full-flex Y 1/8000s 14.0/s n Y
13.
 
Nikon D40Xoptical n2.5 / 230 fixed n 1/4000s 3.0/s Y n
14.
 
Olympus E-M1 II2360 n3.0 / 1037 swivel Y 1/8000s 18.0/s n Y
15.
 
Panasonic G9 II3680 n3.0 / 1840 swivel Y 1/8000s 10.0/s n Y
16.
 
Panasonic GH5 II3680 n3.0 / 1840 swivel Y 1/8000s 12.0/s n Y
17.
 
Panasonic GH53680 n3.2 / 1620 swivel Y 1/8000s 12.0/s n Y
Note: *) Information refers to the mechanical shutter, unless the camera only has an electronic one.
padding

One difference between the cameras concerns the presence of an on-board flash. The 400D has one, while the G9 does not. While the built-in flash of the 400D 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 400D 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 400D writes its imaging data to Compact Flash 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 400D only has one slot.

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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 Canon EOS 400D 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
# image Camera
Model
Hotshoe
Port
Internal
Mic / Speaker
Microphone
Port
Headphone
Port
HDMI
Port
USB
Port
WiFi
Support
NFC
Support
Bluetooth
Support
1.
 
Canon 400DY- / ----2.0---
2.
 
Panasonic G9Ystereo / monoYYfull3.0Y-Y
3.
 
Canon 750DYstereo / monoY-mini2.0YY-
4.
 
Canon 760DYstereo / monoY-mini2.0YY-
5.
 
Canon 650DYstereo / monoY-mini2.0---
6.
 
Canon 1100DYstereo / mono--mini2.0---
7.
 
Canon 550DYstereo / -Y-mini2.0---
8.
 
Canon 500DYmono / mono--mini2.0---
9.
 
Canon 450DY- / ---mini2.0---
10.
 
Canon 40DY- / ----2.0---
11.
 
Canon 350DY- / ----2.0---
12.
 
Fujifilm X-H1Ystereo / monoY-micro3.0Y--
13.
 
Nikon D40XY- / ----2.0---
14.
 
Olympus E-M1 IIYstereo / monoYYmicro3.0Y--
15.
 
Panasonic G9 IIYstereo / monoYYfull3.2Y-Y
16.
 
Panasonic GH5 IIYstereo / monoYYfull3.2Y-Y
17.
 
Panasonic GH5Ystereo / monoYYfull3.1Y-Y
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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 400D does not provide wifi capability.

Studio photographers will appreciate that the Panasonic G9 (unlike the 400D) features a PC Sync socket, so that professional strobe lights can be controlled by the camera.

Both the 400D and the G9 have been discontinued, but can regularly be found used on ebay. The 400D was replaced by the Canon 450D, while the G9 was followed by the Panasonic G9 II. Further information on the features and operation of the 400D and G9 can be found, respectively, in the Canon 400D Manual (free pdf) or the online Panasonic G9 Manual.

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Review summary

So what is the bottom line? Is there a clear favorite between the Canon 400D and the Panasonic G9? Which camera is better? Below is a summary of the relative strengths of each of the two contestants.

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Reasons to prefer the Canon EOS 400D:

  • 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 (127x84mm vs 137x97mm) and thus needs less room in the bag.
  • Less heavy: Is lighter (by 102g or 16 percent) and hence easier to carry around.
  • Easier fill-in: Is equipped with a small onboard flash to brighten deep shadow areas.
  • More affordable: Was introduced into a lower priced category (53 percent cheaper at launch).
  • More heavily discounted: Has been available for much longer (launched in August 2006).

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Arguments in favor of the Panasonic Lumix DC-G9:

  • More detail: Has more megapixels (20.2 vs 10.1MP), which boosts linear resolution by 39%.
  • 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 0.49x).
  • 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 3 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.
  • More modern: Reflects 11 years and 2 months of technical progress since the 400D launch.

If the count of relative strengths (bullet points above) is taken as a measure, the G9 is the clear winner of the contest (27 : 7 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.

400D 07:27 G9

How about other alternatives? Do the specifications of the Canon 400D 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 incomplete and does no justice, for example, to the way the 400D or the G9 perform in practice. User reviews, such as those found at amazon, can sometimes inform about these issues, but such feedback is often incomplete, inconsistent, and biased.

Expert reviews

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 (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
# image  Camera 
 Model 
 AP 
 score 
 CL 
 score 
 DCW 
 score 
 DPR 
 score 
 EPZ 
 score 
 PB 
 score 
Camera
Launch
Launch
Price (USD)
Street
Price
1.
 
Canon 400D..+ +..+ +o4/5 Aug 2006 799ebay.com
2.
 
Panasonic G9..+ +5/585/1005/55/5 Nov 2017 1,699ebay.com
3.
 
Canon 750D5/5....75/1004.5/54.5/5 Feb 2015 749ebay.com
4.
 
Canon 760D5/5+..77/1004.5/54.5/5 Feb 2015 649ebay.com
5.
 
Canon 650D4/5+ +..77/1004.5/54.5/5 Jun 2012 849ebay.com
6.
 
Canon 1100D..80/100..69/1004/54.5/5 Feb 2011 449ebay.com
7.
 
Canon 550D..+ +..77/1004/54.5/5 Feb 2010 699ebay.com
8.
 
Canon 500D..+ +..74/1004.5/54.5/5 Mar 2009 799ebay.com
9.
 
Canon 450D..+ +..+ +4/54.5/5 Jan 2008 799ebay.com
10.
 
Canon 40D..+ +..+ +4.5/54.5/5 Aug 2007 1,299ebay.com
11.
 
Canon 350D..80/100..+ +o.. Feb 2005 899ebay.com
12.
 
Fujifilm X-H1..+5/586/1004.5/54.5/5 Feb 2018 1,899ebay.com
13.
 
Nikon D40X..79/100..+ +4/54/5 Mar 2007 729ebay.com
14.
 
Olympus E-M1 II5/5+ +5/585/1004.5/54.5/5 Sep 2016 1,999ebay.com
15.
 
Panasonic G9 II5/5..4.5/587/100..4.5/5 Sep 2023 1,899 amazon.com
16.
 
Panasonic GH5 II4.5/5..4.5/585/1004.5/55/5 May 2021 1,699 amazon.com
17.
 
Panasonic GH54.5/5+ +..85/1004.5/55/5 Jan 2017 1,999ebay.com
Note: (+ +) highly recommended; (+) recommended; (o) reviewed; (..) not available.
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The review scores listed above should be treated with care, 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.

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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 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: Canon 400D 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 Canon 400D Panasonic G9
    Camera Type Digital single lens reflex Mirrorless system camera
    Camera Lens Canon EF mount lenses Micro Four Thirds lenses
    Launch Date August 2006 November 2017
    Launch Price USD 799 USD 1,699
    Sensor Specs Canon 400D Panasonic G9
    Sensor Technology CMOS CMOS
    Sensor Format APS-C Sensor Four Thirds Sensor
    Sensor Size 22.2 x 14.8 mm 17.3 x 13.0 mm
    Sensor Area 328.56 mm2 224.9 mm2
    Sensor Diagonal 26.7 mm 21.6 mm
    Crop Factor 1.6x 2.0x
    Sensor Resolution 10.1 Megapixels 20.2 Megapixels
    Image Resolution 3888 x 2592 pixels 5184 x 3888 pixels
    Pixel Pitch 5.71 μm 3.34 μm
    Pixel Density 3.07 MP/cm2 8.96 MP/cm2
    Moiré control Anti-Alias filter no AA filter
    Movie Capability no Video 4K/60p Video
    ISO Setting 100 - 1,600 ISO 200 - 25,600 ISO
    ISO Boost no Enhancement 100 - 25,600 ISO
    Image Processor DIGIC II Venus 10
    DXO Sensor Quality (score) 62 ..
    DXO Color Depth (bits) 22.1 ..
    DXO Dynamic Range (EV) 11.0 ..
    DXO Low Light (ISO) 664 ..
    Screen Specs Canon 400D Panasonic G9
    Viewfinder Type Optical viewfinder Electronic viewfinder
    Viewfinder Field of View 95% 100%
    Viewfinder Magnification 0.49x 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 Canon 400D 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 3 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 CF cards SDXC cards
    Single or Dual Card Slots Single card slot Dual card slots
    Connectivity Specs Canon 400D 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 Canon 400D Panasonic G9
    Environmental Sealingnot weather sealedWeathersealed body
    Battery Type Canon NB-2LH Panasonic DMW-BLF19
    Battery Life (CIPA)370 shots per charge400 shots per charge
    In-Camera Charging no USB charging USB charging
    Body Dimensions 127 x 84 x 65 mm
    (5.0 x 3.3 x 2.6 in)
    137 x 97 x 92 mm
    (5.4 x 3.8 x 3.6 in)
    Camera Weight 556 g (19.6 oz) 658 g (23.2 oz)
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