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Canon 40D vs G7X Mark II

The Canon EOS 40D and the Canon PowerShot G7 X Mark II are two digital cameras that were officially introduced, respectively, in August 2007 and February 2016. The 40D is a DSLR, while the G7X Mark II is a fixed lens compact. The cameras are based on an APS-C (40D) and an one-inch (G7X Mark II) sensor. The 40D has a resolution of 10.1 megapixels, whereas the G7X Mark II provides 20 MP.

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

Headline Specifications
Canon 40D
versus
Canon G7 X Mark II
Canon 40D   Canon G7 X Mark II
Digital single lens reflex Fixed lens compact camera
Canon EF mount lenses 24-100mm f/1.8-2.8
10.1 MP – APS-C sensor 20 MP – 1" sensor
no Video 1080/60p Video
ISO 100-1,600 (100 - 3,200) ISO 125-12,800 (125 - 25,600)
Optical viewfinder No viewfinder, LCD framing
3.0" LCD – 230k dots 3.0" LCD – 1040k dots
Fixed screen (not touch-sensitive) Tilting touchscreen
6.5 shutter flaps per second 8 shutter flaps per second
750 shots per battery charge265 shots per battery charge
146 x 108 x 74 mm, 822 g 106 x 61 x 42 mm, 319 g
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Going beyond this snapshot of core features and characteristics, what are the differences between the Canon EOS 40D and the Canon PowerShot G7 X Mark II? 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 physical size and weight of the Canon 40D and the Canon G7 X Mark II are illustrated in the side-by-side display below. The two cameras are presented according to their relative size. Three consecutive perspectives from the front, the top, and the back are available. All size dimensions are rounded to the nearest millimeter.

Size Canon 40D vs Canon G7 X Mark II
Compare 40D versus G7X Mark II top
Comparison 40D or G7X Mark II rear

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Canon G7 X Mark II is considerably smaller (59 percent) than the Canon 40D. In this context, it is worth noting that neither the 40D nor the G7X Mark II are weather-sealed.

The above size and weight comparisons are to some extent incomplete and possibly misleading, as the G7X Mark II has a lens built in, whereas the 40D is an interchangeable lens camera that requires a separate lens. Attaching the latter will add extra weight and bulk to the setup. You can compare the optics available for the 40D and their specifications in the Canon EF Lens Catalog.

Concerning battery life, the 40D gets 750 shots out of its Canon BP-511A battery, while the G7X Mark II can take 265 images on a single charge of its Canon NB-13L power pack. The power pack in the G7X Mark II can be charged via the USB port, which can be very convenient when travelling.

The following table provides a synthesis of the main physical specifications of the two cameras and other similar ones. 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.
 
Canon 40D 146 mm 108 mm 74 mm 822 g 750 n Aug 2007 US$ 1 299ebay.com
2.
 
Canon G7 X Mark II 106 mm 61 mm 42 mm 319 g 265 n Feb 2016 US$ 699ebay.com
3.
 
Canon 10D 150 mm 107 mm 75 mm 850 g 500 n Feb 2003 US$ 1 999ebay.com
4.
 
Canon 20D 144 mm 106 mm 72 mm 770 g 700 n Aug 2004 US$ 1 499ebay.com
5.
 
Canon 30D 144 mm 106 mm 74 mm 785 g 750 n Feb 2006 US$ 1 399ebay.com
6.
 
Canon 50D 146 mm 108 mm 74 mm 822 g 800 Y Aug 2008 US$ 1 299ebay.com
7.
 
Canon 60D 145 mm 106 mm 79 mm 755 g 1100 Y Aug 2010 US$ 1 399ebay.com
8.
 
Canon G5 X 112 mm 76 mm 44 mm 353 g 210 n Oct 2015 US$ 799ebay.com
9.
 
Canon G7 X 103 mm 60 mm 40 mm 304 g 210 n Sep 2014 US$ 699ebay.com
10.
 
Canon G7 X Mark III 105 mm 61 mm 41 mm 304 g 235 n Jul 2019 US$ 749 amazon.com
11.
 
Canon M3 111 mm 68 mm 44 mm 366 g 250 n Feb 2015 US$ 679ebay.com
12.
 
Canon T3 130 mm 100 mm 78 mm 495 g 700 n Feb 2011 US$ 449ebay.com
13.
 
Canon XS 126 mm 98 mm 65 mm 502 g 500 n Jun 2008 US$ 449ebay.com
14.
 
Canon XSi 129 mm 98 mm 62 mm 524 g 500 n Jan 2008 US$ 799ebay.com
15.
 
Canon XTi 127 mm 84 mm 65 mm 556 g 370 n Aug 2006 US$ 799ebay.com
16.
 
Nikon D90 132 mm 103 mm 77 mm 703 g 850 n Aug 2008 US$ 1 299ebay.com
17.
 
Sony RX100 IV 102 mm 58 mm 41 mm 298 g 280 n Jun 2015 US$ 999ebay.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 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 G7X Mark II was launched at a lower price than the 40D, despite having a lens built in. 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. All other things equal, a large sensor will have larger individual pixel-units that offer better low-light sensitivity, wider dynamic range, and richer color-depth than smaller pixels in a sensor of the same technological generation. 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 are more costly to manufacture and tend to lead to bigger and heavier cameras and lenses.

Of the two cameras under consideration, the Canon 40D features an APS-C sensor and the Canon G7 X Mark II an one-inch sensor. The sensor area in the G7X Mark II is 65 percent smaller. As a result of these sensor size differences, the cameras have a format factor of, respectively, 1.6 and 2.7. Both cameras have a native aspect ratio (sensor width to sensor height) of 3:2.

Technology-wise, the G7X Mark II uses a more advanced image processing engine (DIGIC 7) than the 40D (DIGIC 3), with benefits for noise reduction, color accuracy, and processing speed.

Canon 40D and Canon G7 X Mark II sensor measures

Despite having a smaller sensor, the G7X Mark II offers a higher resolution of 20 megapixels, compared with 10.1 MP of the 40D. 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 2.41μm versus 5.73μm for the 40D). However, it should be noted that the G7X Mark II is much more recent (by 8 years and 6 months) than the 40D, and its sensor will have benefitted from technological advances during this time that make it possible to gather light more efficiently.

The resolution advantage of the Canon G7 X Mark II implies greater flexibility for cropping images or the possibility to print larger pictures. The maximum print size of the G7X Mark II for good quality output (200 dots per inch) amounts to 27.4 x 18.2 inches or 69.5 x 46.3 cm, for very good quality (250 dpi) 21.9 x 14.6 inches or 55.6 x 37.1 cm, and for excellent quality (300 dpi) 18.2 x 12.2 inches or 46.3 x 30.9 cm. The corresponding values for the Canon 40D 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.

The Canon EOS 40D has a native sensitivity range from ISO 100 to ISO 1600, which can be extended to ISO 100-3200. The corresponding ISO settings for the Canon PowerShot G7 X Mark II are ISO 125 to ISO 12800, with the possibility to increase the ISO range to 125-25600.

In terms of underlying technology, the 40D is build around a CMOS sensor, while the G7X Mark II uses a BSI-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.

40D versus G7X Mark II 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 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.
 
Canon 40D APS-C 10.1 3888 2592none22.111.370364
2.
 
Canon G7 X Mark II 1-inch 20.0 5472 36481080/60p21.811.926062
3.
 
Canon 10D APS-C 6.3 3072 2048none21.110.957157
4.
 
Canon 20D APS-C 8.2 3504 2336none21.911.072162
5.
 
Canon 30D APS-C 8.2 3504 2336none21.510.873659
6.
 
Canon 50D APS-C 15.1 4752 3168none21.811.469663
7.
 
Canon 60D APS-C 17.9 5184 34561080/30p22.211.581366
8.
 
Canon G5 X 1-inch 20.0 5472 36481080/60p21.412.347162
9.
 
Canon G7 X 1-inch 20.0 5472 36481080/60p23.012.755671
10.
 
Canon G7 X Mark III 1-inch 20.0 5472 36484K/30p22.212.458365
11.
 
Canon M3 APS-C 24.0 6000 40001080/30p22.811.8116972
12.
 
Canon T3 APS-C 12.2 4272 2848720/30p21.911.075562
13.
 
Canon XS APS-C 10.1 3888 2592none22.010.971962
14.
 
Canon XSi APS-C 12.2 4272 2848none21.910.869261
15.
 
Canon XTi APS-C 10.1 3888 2592none22.111.066462
16.
 
Nikon D90 APS-C 12.2 4288 2848720/24p22.712.597773
17.
 
Sony RX100 IV 1-inch 20.0 5472 36484K/30p22.812.659170
Note: DXO values in italics represent estimates based on sensor size and age.

Many modern cameras are not only capable of taking still images, but can also record movies. The G7X Mark II indeed provides for movie recording, while the 40D does not. The highest resolution format that the G7X Mark II can use is 1080/60p.

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Feature comparison

Apart from body and sensor, cameras can and do differ across a variety of features. For example, the 40D has an optical viewfinder, which can be very useful when shooting in bright sunlight. In contrast, the G7X Mark II relies on live view and the rear LCD for framing. The adjacent table lists some of the other core features of the Canon 40D and Canon G7 X Mark II along with similar information for a selection of comparators.

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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.
 
Canon 40Doptical Y3.0 / 230 fixed n 1/8000s 6.5/s Y n
2.
 
Canon G7 X Mark IInone n3.0 / 1040 tilting Y 1/2000s 8.0/s Y Y
3.
 
Canon 10Doptical Y1.8 / 118 fixed n 1/4000s 3.0/s Y n
4.
 
Canon 20Doptical Y1.8 / 118 fixed n 1/8000s 5.0/s Y n
5.
 
Canon 30Doptical Y2.5 / 230 fixed n 1/8000s 5.0/s Y n
6.
 
Canon 50Doptical Y3.0 / 920 fixed n 1/8000s 6.3/s Y n
7.
 
Canon 60Doptical Y3.0 / 1040 swivel n 1/8000s 5.3/s Y n
8.
 
Canon G5 X2360 n3.0 / 1040 swivel Y 1/2000s 5.9/s Y Y
9.
 
Canon G7 Xnone n3.0 / 1040 tilting Y 1/2000s 6.5/s Y Y
10.
 
Canon G7 X Mark IIInone n3.0 / 1040 tilting Y 1/2000s 30/s Y Y
11.
 
Canon M3optional n3.0 / 1040 tilting Y 1/4000s 4.2/s Y n
12.
 
Canon T3optical n2.7 / 230 fixed n 1/4000s 3.0/s Y n
13.
 
Canon XSoptical n2.5 / 230 fixed n 1/4000s 3.0/s Y n
14.
 
Canon XSioptical n3.0 / 230 fixed n 1/4000s 3.5/s Y n
15.
 
Canon XTioptical n2.5 / 230 fixed n 1/4000s 3.0/s Y n
16.
 
Nikon D90optical Y3.0 / 920 fixed n 1/4000s 4.5/s Y n
17.
 
Sony RX100 IV2359 n3.0 / 1228 tilting n 1/2000s 16.0/s Y Y
Note: *) Information refers to the mechanical shutter, unless the camera only has an electronic one.

One feature that is present on the 40D, but is missing on the G7X Mark II is a top-level LCD. While being, of course, smaller than the rear screen, the control panel conveys some of the essential shooting information and can be convenient for quick and easy settings verification.

The G7X Mark II 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 40D does not have a selfie-screen.

The Canon G7 X Mark II 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 40D writes its imaging data to Compact Flash cards, while the G7X Mark II uses SDXC 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 Canon EOS 40D and Canon PowerShot G7 X Mark II 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.
 
Canon 40DY- / ----2.0---
2.
 
Canon G7 X Mark II-stereo / mono--micro2.0YY-
3.
 
Canon 10DY- / ----1.1---
4.
 
Canon 20DY- / ----1.1---
5.
 
Canon 30DY- / ----2.0---
6.
 
Canon 50DY- / ---mini2.0---
7.
 
Canon 60DYmono / monoY-mini2.0---
8.
 
Canon G5 XYstereo / mono--mini2.0YY-
9.
 
Canon G7 X-stereo / mono--micro2.0YY-
10.
 
Canon G7 X Mark III-stereo / monoY-micro3.1Y-Y
11.
 
Canon M3Ystereo / monoY-mini2.0YY-
12.
 
Canon T3Ystereo / mono--mini2.0---
13.
 
Canon XSY- / ----2.0---
14.
 
Canon XSiY- / ---mini2.0---
15.
 
Canon XTiY- / ----2.0---
16.
 
Nikon D90Ymono / mono--mini2.0---
17.
 
Sony RX100 IV-stereo / mono--micro2.0YY-

It is notable that the 40D has a hotshoe, while the G7X Mark II does not. This socket makes it possible to easily attach optional accessories, such as an external flash gun.

Studio photographers will appreciate that the Canon 40D (unlike the G7X Mark II) features a PC Sync socket, so that professional strobe lights can be controlled by the camera.

Both the 40D and the G7X Mark II have been discontinued, but can regularly be found used on ebay. The 40D was replaced by the Canon 50D, while the G7X Mark II was followed by the Canon G7 X Mark III. Further information on the features and operation of the 40D and G7X Mark II can be found, respectively, in the Canon 40D Manual (free pdf) or the online Canon G7 X Mark II Manual.

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Review summary

So what is the bottom line? Which of the two cameras – the Canon 40D or the Canon G7 X Mark II – has the upper hand? Is one clearly better than the other? The listing below highlights the relative strengths of the two models.


Advantages of the Canon EOS 40D:

  • Easier framing: Has an optical viewfinder for image composition and settings control.
  • Easier setting verification: Features an LCD display on top to control shooting parameters.
  • Faster shutter: Has higher mechanical shutter speed (1/8000s vs 1/2000s) to freeze action.
  • More flexible: Can take a variety of interchangeable lenses, including specialty optics.
  • Longer lasting: Can take more shots (750 versus 265) on a single battery charge.
  • Better lighting: Features a hotshoe and can thus hold and trigger an external flash gun.
  • Better studio light control: Has a PC Sync socket to connect to professional strobe lights.
  • More heavily discounted: Has been available for much longer (launched in August 2007).


Arguments in favor of the Canon PowerShot G7 X Mark II:

  • More detail: Has more megapixels (20 vs 10.1MP), which boosts linear resolution by 41%.
  • Better jpgs: Has a more modern image processing engine (DIGIC 7 vs DIGIC 3).
  • Broader imaging potential: Can capture not only stills but also 1080/60p video.
  • More detailed LCD: Has a higher resolution rear screen (1040k vs 230k dots).
  • More flexible LCD: Has a tilting screen for odd-angle shots in 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 (8 vs 6.5 flaps/sec) to capture the decisive moment.
  • Easier time-lapse photography: Has an intervalometer built-in for low frequency shooting.
  • Ready to shoot: Comes with an integrated lens, while the 40D requires a separate lens.
  • More compact: Is smaller (106x61mm vs 146x108mm) and will fit more readily into a bag.
  • Less heavy: Has a lower weight even though it has a lens built in (unlike the 40D).
  • Easier travel charging: Can be conveniently charged via its USB port.
  • Sharper images: Has stabilization technology built-in to reduce the impact of hand-shake.
  • Easier file upload: Has wifi built in for automatic backup or image transfer to the web.
  • Easier device pairing: Supports NFC for fast wireless image transfer over short distances.
  • More affordable: Was introduced at a lower price, despite coming with a built-in lens.
  • More modern: Reflects 8 years and 6 months of technical progress since the 40D launch.

If the count of relative strengths (bullet points above) is taken as a measure, the G7X Mark II is the clear winner of the contest (18 : 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 wedding photographer will view the differences between cameras in a way that diverges from the perspective of a travel photog, and a person interested in cityscapes has distinct needs from a macro shooter. Hence, the decision which camera is best and worth buying is often a very personal one.

40D 08:18 G7X Mark II

How about other alternatives? Do the specifications of the Canon 40D and the Canon G7 X Mark II place the cameras among the top in their class? Find out in the latest Best DSLR Camera and Best Travel-Zoom Camera listings whether the two cameras rank among the cream of the crop.

In any case, while the specs-based evaluation of cameras can be instructive in revealing their potential as photographic tools, it remains partial and cannot reveal, for example, the shooting experience and imaging performance when actually working with the 40D or the G7X Mark II. 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 where reviews by experts come in. 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.
 
Canon 40D..+ +..+ +4.5/54.5/5 Aug 2007 US$ 1 299ebay.com
2.
 
Canon G7 X Mark II4.5/5+ +..81/1004.5/54.5/5 Feb 2016 US$ 699ebay.com
3.
 
Canon 10D......+ +.... Feb 2003 US$ 1 999ebay.com
4.
 
Canon 20D......+ +.... Aug 2004 US$ 1 499ebay.com
5.
 
Canon 30D..+ +..+ +o.. Feb 2006 US$ 1 399ebay.com
6.
 
Canon 50D..+ +..+ +4.5/54.5/5 Aug 2008 US$ 1 299ebay.com
7.
 
Canon 60D5/5+..79/1004/54.5/5 Aug 2010 US$ 1 399ebay.com
8.
 
Canon G5 X5/5+ +..78/1004.5/54.5/5 Oct 2015 US$ 799ebay.com
9.
 
Canon G7 X4/5+ +..77/1004.5/54.5/5 Sep 2014 US$ 699ebay.com
10.
 
Canon G7 X Mark III..+ +4/581/1004/5.. Jul 2019 US$ 749 amazon.com
11.
 
Canon M34/5o..75/1004.5/54/5 Feb 2015 US$ 679ebay.com
12.
 
Canon T3..80/100..69/1004/54.5/5 Feb 2011 US$ 449ebay.com
13.
 
Canon XS..82/100..+ +3.5/54.5/5 Jun 2008 US$ 449ebay.com
14.
 
Canon XSi..+ +..+ +4/54.5/5 Jan 2008 US$ 799ebay.com
15.
 
Canon XTi..+ +..+ +o4/5 Aug 2006 US$ 799ebay.com
16.
 
Nikon D90..+ +..+ +4/54.5/5 Aug 2008 US$ 1 299ebay.com
17.
 
Sony RX100 IV4.5/5+ +..85/1004/54.5/5 Jun 2015 US$ 999ebay.com
Note: (+ +) highly recommended; (+) recommended; (o) reviewed; (..) not available.

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. Thus, a score needs to be put into the context of the launch date and the launch price of the camera, and rating-comparisons among cameras that span long time periods or concern very differently equipped models make little sense. Also, please note that some of the review sites have changed their methodology and reporting over time.

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Other camera comparisons

Did this review help to inform your camera decision process? If you would like to see a different side-by-side camera review, just use the search menu below. Alternatively, you can follow any of the listed hyperlinks for comparisons that others found interesting.

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    Specifications: Canon 40D vs Canon G7 X Mark II

    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 40D Canon G7 X Mark II
    Camera Type Digital single lens reflex Fixed lens compact camera
    Camera Lens Canon EF mount lenses 24-100mm f/1.8-2.8
    Launch Date August 2007 February 2016
    Launch Price USD 1,299 USD 699
    Sensor Specs Canon 40D Canon G7 X Mark II
    Sensor Technology CMOS BSI-CMOS
    Sensor Format APS-C Sensor 1" Sensor
    Sensor Size 22.3 x 14.9 mm 13.2 x 8.8 mm
    Sensor Area 332.27 mm2 116.16 mm2
    Sensor Diagonal 26.8 mm 15.9 mm
    Crop Factor 1.6x 2.7x
    Sensor Resolution 10.1 Megapixels 20 Megapixels
    Image Resolution 3888 x 2592 pixels 5472 x 3648 pixels
    Pixel Pitch 5.73 μm 2.41 μm
    Pixel Density 3.03 MP/cm2 17.18 MP/cm2
    Moiré control Anti-Alias filter Anti-Alias filter
    Movie Capability no Video 1080/60p Video
    ISO Setting 100 - 1,600 ISO 125 - 12,800 ISO
    ISO Boost 100 - 3,200 ISO 125 - 25,600 ISO
    Image Processor DIGIC 3 DIGIC 7
    DXO Sensor Quality (score) 64 ..
    DXO Color Depth (bits) 22.1 ..
    DXO Dynamic Range (EV) 11.3 ..
    DXO Low Light (ISO) 703 ..
    Screen Specs Canon 40D Canon G7 X Mark II
    Viewfinder Type Optical viewfinder no viewfinder
    Viewfinder Field of View 95%
    Viewfinder Magnification 0.59x
    Top-Level Screen Control Panel no Top Display
    LCD Framing Live View Live View
    Rear LCD Size 3.0inch 3.0inch
    LCD Resolution 230k dots 1040k dots
    LCD Attachment Fixed screen Tilting screen
    Touch Input no Touchscreen Touchscreen
    Shooting Specs Canon 40D Canon G7 X Mark II
    Focus System Phase-detect AF Contrast-detect AF
    Manual Focusing Aidno Peaking FeatureFocus Peaking
    Max Shutter Speed (mechanical) 1/8000s 1/2000s
    Continuous Shooting 6.5 shutter flaps/s 8 shutter flaps/s
    Time-Lapse Photographyno IntervalometerIntervalometer built-in
    Fill Flash Built-in Flash Built-in Flash
    Storage Medium CF cards SDXC cards
    Single or Dual Card Slots Single card slot Single card slot
    Connectivity Specs Canon 40D Canon G7 X Mark II
    External Flash Hotshoe no Hotshoe
    Studio Flash PC Sync socket no PC Sync
    USB Connector USB 2.0 USB 2.0
    HDMI Port no HDMI micro HDMI
    Wifi Support no Wifi Wifi built-in
    Near-Field Communication no NFC NFC built-in
    Body Specs Canon 40D Canon G7 X Mark II
    Battery Type Canon BP-511A Canon NB-13L
    Battery Life (CIPA)750 shots per charge265 shots per charge
    In-Camera Charging no USB charging USB charging
    Body Dimensions 146 x 108 x 74 mm
    (5.7 x 4.3 x 2.9 in)
    106 x 61 x 42 mm
    (4.2 x 2.4 x 1.7 in)
    Camera Weight 822 g (29.0 oz) 319 g (11.3 oz)
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