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Canon G7 X Mark III vs Nikon D3X

The Canon PowerShot G7 X Mark III and the Nikon D3X are two digital cameras that were officially introduced, respectively, in July 2019 and December 2008. The G7X Mark III is a fixed lens compact, while the D3X is a DSLR. The cameras are based on an one-inch (G7X Mark III) and a full frame (D3X) sensor. The Canon has a resolution of 20 megapixels, whereas the Nikon provides 24.4 MP.

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

Headline Specifications
Canon G7 X Mark III
versus
Nikon D3X
Canon G7 X Mark III   Nikon D3X
Fixed lens compact camera Digital single lens reflex
24-100mm f/1.8-2.8 Nikon F mount lenses
20 MP – 1" sensor 24.4 MP – Full Frame sensor
4K/30p Video no Video
ISO 125-12,800 (125 - 25,600) ISO 100-1,600 (50 - 6,400)
No viewfinder, LCD framing Optical viewfinder
3.0" LCD – 1040k dots 3.0" LCD – 922k dots
Tilting touchscreen Fixed screen (not touch-sensitive)
30 shutter flaps per second 5 shutter flaps per second
not weather sealedWeathersealed body
235 shots per battery charge4400 shots per battery charge
105 x 61 x 41 mm, 304 g 160 x 157 x 88 mm, 1260 g
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Going beyond this snapshot of core features and characteristics, what are the differences between the Canon PowerShot G7 X Mark III and the Nikon D3X? 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 G7 X Mark III and the Nikon D3X are illustrated in the side-by-side display below. 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 G7X Mark III can be obtained in two different colors (black, silver), while the D3X is only available in black.

Size Canon G7 X Mark III vs Nikon D3X
Compare G7X Mark III versus D3X top
Comparison G7X Mark III or D3X rear

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Nikon D3X is considerably larger (292 percent) than the Canon G7 X Mark III. It is noteworthy in this context that the D3X is splash and dust-proof, while the G7X Mark III does not feature any corresponding weather-sealing.

The above size and weight comparisons are to some extent incomplete and possibly misleading, as the G7X Mark III has a lens built in, whereas the D3X 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 D3X and their specifications in the Nikon Lens Catalog.

Concerning battery life, the G7X Mark III gets 235 shots out of its Canon NB-13L battery, while the D3X can take 4400 images on a single charge of its Nikon EN-EL4a power pack. As can be seen in the images above, the D3X has a battery grip built in. This facilitates image-taking in portrait orientation and gives it additional battery power. The power pack in the G7X Mark III can be charged via the USB port, so that it is not always necessary to take the battery charger along 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
# image Camera
Model
Camera
Width
Camera
Height
Camera
Depth
Camera
Weight
Battery
Life
Weather
Sealing
Camera
Launch
Launch
Price (USD)
Street
Price
1.
 
Canon G7 X Mark III 105 mm 61 mm 41 mm 304 g 235 n Jul 2019 749 amazon.com
2.
 
Nikon D3X 160 mm 157 mm 88 mm 1260 g 4400 Y Dec 2008 7,999ebay.com
3.
 
Canon G5 X Mark II 111 mm 61 mm 46 mm 340 g 230 n Jul 2019 899ebay.com
4.
 
Canon SX740 110 mm 64 mm 40 mm 299 g 265 n Jul 2018 399 amazon.com
5.
 
Canon G7 X Mark II 106 mm 61 mm 42 mm 319 g 265 n Feb 2016 699ebay.com
6.
 
Canon G5 X 112 mm 76 mm 44 mm 353 g 210 n Oct 2015 799ebay.com
7.
 
Canon G7 X 103 mm 60 mm 40 mm 304 g 210 n Sep 2014 699ebay.com
8.
 
Leica C-LUX 113 mm 67 mm 46 mm 340 g 370 n Jun 2018 1,049ebay.com
9.
 
Nikon D5 160 mm 159 mm 92 mm 1415 g 3780 Y Jan 2016 6,499ebay.com
10.
 
Nikon D4S 160 mm 157 mm 91 mm 1350 g 3020 Y Feb 2014 6,499ebay.com
11.
 
Nikon D750 141 mm 113 mm 78 mm 750 g 1230 Y Sep 2014 2,299ebay.com
12.
 
Nikon D4 160 mm 157 mm 91 mm 1340 g 2600 Y Jan 2012 5,999ebay.com
13.
 
Nikon D3 160 mm 157 mm 88 mm 1300 g 4300 Y Aug 2007 4,999ebay.com
14.
 
Panasonic FZ1000 II 136 mm 97 mm 131 mm 810 g 350 n Feb 2019 899 amazon.com
15.
 
Panasonic ZS200 111 mm 65 mm 45 mm 340 g 370 n Feb 2018 799 amazon.com
16.
 
Sony ZV-1 105 mm 60 mm 44 mm 294 g 260 n May 2020 799ebay.com
17.
 
Sony RX100 VI 102 mm 58 mm 43 mm 301 g 240 n Jun 2018 1,199ebay.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 listed launch prices provide an indication of the market segment that the manufacturer of the cameras have been targeting. The G7X Mark III was launched at a lower price than the D3X, 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.

Sensor comparison

The imaging sensor is at the core of digital cameras and its size is one of the main determining factors 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. 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 G7 X Mark III features an one-inch sensor and the Nikon D3X a full frame sensor. The sensor area in the D3X is 643 percent bigger. As a result of these sensor size differences, the cameras have a format factor of, respectively, 2.7 and 1.0. Both cameras have a native aspect ratio (sensor width to sensor height) of 3:2.

Canon G7 X Mark III and Nikon D3X sensor measures

With 24.4MP, the D3X offers a higher resolution than the G7X Mark III (20MP), but the D3X nevertheless has larger individual pixels (pixel pitch of 5.94μm versus 2.41μm for the G7X Mark III) due to its larger sensor. However, the G7X Mark III is a much more recent model (by 10 years and 7 months) than the D3X, and its sensor will have benefitted from technological advances during this time that enhance the light gathering capacity of its pixel-units.

The resolution advantage of the Nikon D3X implies greater flexibility for cropping images or the possibility to print larger pictures. The maximum print size of the D3X for good quality output (200 dots per inch) amounts to 30.2 x 20.2 inches or 76.8 x 51.2 cm, for very good quality (250 dpi) 24.2 x 16.1 inches or 61.4 x 41 cm, and for excellent quality (300 dpi) 20.2 x 13.4 inches or 51.2 x 34.1 cm. The corresponding values for the Canon G7 X Mark III are 27.4 x 18.2 inches or 69.5 x 46.3 cm for good quality, 21.9 x 14.6 inches or 55.6 x 37.1 cm for very good quality, and 18.2 x 12.2 inches or 46.3 x 30.9 cm for excellent quality prints.

The Canon PowerShot G7 X Mark III has a native sensitivity range from ISO 125 to ISO 12800, which can be extended to ISO 125-25600. The corresponding ISO settings for the Nikon D3X are ISO 100 to ISO 1600, with the possibility to increase the ISO range to 50-6400.

In terms of underlying technology, the G7X Mark III is build around a BSI-CMOS sensor, while the D3X 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.

G7X Mark III versus D3X MP

Since 2007, DXO Mark has published sensor performance measurements that have been derived using a consistent methodology. This service assesses and scores the color depth ("DXO Portrait"), dynamic range ("DXO Landscape"), and low-light sensitivity ("DXO Sports") of camera sensors, and also publishes an overall camera score. 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
# image Camera
Model
Sensor
Class
Resolution
(MP)
Horiz.
Pixels
Vert.
Pixels
Video
Format
DXO
Portrait
DXO
Landscape
DXO
Sports
DXO
Overall
1.
 
Canon G7 X Mark III 1-inch 20.0 5472 36484K/30p22.212.458365
2.
 
Nikon D3X Full Frame 24.4 6048 4032none24.713.7199288
3.
 
Canon G5 X Mark II 1-inch 20.0 5472 36484K/30p22.212.458365
4.
 
Canon SX740 1/2.3 20.2 5184 38884K/30p20.612.1105051
5.
 
Canon G7 X Mark II 1-inch 20.0 5472 36481080/60p21.811.926062
6.
 
Canon G5 X 1-inch 20.0 5472 36481080/60p21.412.347162
7.
 
Canon G7 X 1-inch 20.0 5472 36481080/60p23.012.755671
8.
 
Leica C-LUX 1-inch 20.0 5472 36484K/30p22.112.348164
9.
 
Nikon D5 Full Frame 20.7 5588 37124K/30p25.112.3234388
10.
 
Nikon D4S Full Frame 16.2 4928 32801080/60p24.413.3307489
11.
 
Nikon D750 Full Frame 24.2 6016 40161080/60p24.814.5295693
12.
 
Nikon D4 Full Frame 16.2 4928 32801080/30p24.713.1296589
13.
 
Nikon D3 Full Frame 12.1 4256 2832none23.512.2229081
14.
 
Panasonic FZ1000 II 1-inch 20.0 5472 36484K/30p22.112.454665
15.
 
Panasonic ZS200 1-inch 20.0 5472 36484K/30p22.012.244964
16.
 
Sony ZV-1 1-inch 20.0 5472 36484K/30p22.212.666966
17.
 
Sony RX100 VI 1-inch 20.0 5472 36484K/30p22.112.347864
Note: DXO values in italics represent estimates based on sensor size and age.
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Many modern cameras are not only capable of taking still images, but can also record movies. The G7X Mark III indeed provides movie recording capabilities, while the D3X does not. The highest resolution format that the G7X Mark III can use is 4K/30p.

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Feature comparison

Apart from body and sensor, cameras can and do differ across a variety of features. For example, the D3X has an optical viewfinder, which can be very useful when shooting in bright sunlight. In contrast, the G7X Mark III relies on live view and the rear LCD for framing. The adjacent table lists some of the other core features of the Canon G7 X Mark III and Nikon D3X along with similar information for a selection of comparators.

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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 G7 X Mark IIInone n3.0 / 1040 tilting Y 1/2000s 30/s Y Y
2.
 
Nikon D3Xoptical Y3.0 / 922 fixed n 1/8000s 5.0/s n n
3.
 
Canon G5 X Mark II2360 n3.0 / 1040 tilting Y 1/2000s 30/s Y Y
4.
 
Canon SX740none n3.0 / 922 tilting n 1/3200s 10.0/s Y Y
5.
 
Canon G7 X Mark IInone n3.0 / 1040 tilting Y 1/2000s 8.0/s Y Y
6.
 
Canon G5 X2360 n3.0 / 1040 swivel Y 1/2000s 5.9/s Y Y
7.
 
Canon G7 Xnone n3.0 / 1040 tilting Y 1/2000s 6.5/s Y Y
8.
 
Leica C-LUX2330 n3.0 / 1240 fixed Y 1/2000s 10.0/s Y Y
9.
 
Nikon D5optical Y3.2 / 2359 fixed Y 1/8000s 14.0/s n n
10.
 
Nikon D4Soptical Y3.2 / 921 fixed n 1/8000s 11.0/s n n
11.
 
Nikon D750optical Y3.2 / 1229 tilting n 1/4000s 6.0/s Y n
12.
 
Nikon D4optical Y3.2 / 921 fixed n 1/8000s 11.0/s n n
13.
 
Nikon D3optical Y3.0 / 922 fixed n 1/8000s 11.0/s n n
14.
 
Panasonic FZ1000 II2360 n3.0 / 1240 swivel Y 1/4000s 12.0/s Y Y
15.
 
Panasonic ZS2002330 n3.0 / 1240 fixed Y 1/2000s 10.0/s Y Y
16.
 
Sony ZV-1none n3.0 / 922 swivel Y 1/2000s 24.0/s n n
17.
 
Sony RX100 VI2359 n3.0 / 1229 tilting Y 1/2000s 24.0/s Y Y
Note: *) Information refers to the mechanical shutter, unless the camera only has an electronic one.
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One difference between the cameras concerns the presence of an on-board flash. The G7X Mark III has one, while the D3X does not. While the built-in flash of the G7X Mark III is not very powerful, it can at times be useful as a fill-in light.

The G7X Mark III has an articulated LCD that can be turned to be front-facing. This characteristic will be appreciated by vloggers and photographers who are interested in snapping selfies. In contrast, the D3X 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 G7X Mark III 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 Canon G7 X Mark III and the Nikon D3X both have 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 G7X Mark III writes its imaging data to SDXC cards, while the D3X uses Compact Flash cards. The D3X features dual card slots, which can be very useful in case a memory card fails. In contrast, the G7X Mark III 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 PowerShot G7 X Mark III and Nikon D3X 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 G7 X Mark III-stereo / monoY-micro3.1Y-Y
2.
 
Nikon D3XY- / ---mini2.0---
3.
 
Canon G5 X Mark II-stereo / mono--micro3.1Y-Y
4.
 
Canon SX740-stereo / mono--micro2.0Y-Y
5.
 
Canon G7 X Mark II-stereo / mono--micro2.0YY-
6.
 
Canon G5 XYstereo / mono--mini2.0YY-
7.
 
Canon G7 X-stereo / mono--micro2.0YY-
8.
 
Leica C-LUX-stereo / mono--micro2.0Y--
9.
 
Nikon D5Ystereo / monoYYmini3.0---
10.
 
Nikon D4SYmono / monoYYmini2.0---
11.
 
Nikon D750Ystereo / monoYYmini2.0Y--
12.
 
Nikon D4Ymono / monoYYmicro2.0---
13.
 
Nikon D3Y- / ---mini2.0---
14.
 
Panasonic FZ1000 IIYstereo / monoY-micro2.0Y-Y
15.
 
Panasonic ZS200-stereo / mono--micro2.0Y-Y
16.
 
Sony ZV-1Ystereo / monoY-micro2.0Y-Y
17.
 
Sony RX100 VI-stereo / mono--micro2.0YYY
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It is notable that the G7X Mark III offers wifi support, while the D3X does not. Wifi can be a very convenient means to transfer image data to an off-camera location.

Studio photographers will appreciate that the Nikon D3X (unlike the G7X Mark III) features a PC Sync socket, so that professional strobe lights can be controlled by the camera.

The G7X Mark III is a recent model that features in the current product line-up of Canon. In contrast, the D3X has been discontinued (but can be found pre-owned on ebay). There has not been a direct replacement model for the D3X from Nikon. Further information on the features and operation of the G7X Mark III and D3X can be found, respectively, in the Canon G7 X Mark III Manual (free pdf) or the online Nikon D3X Manual.

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Review summary

So what is the bottom line? Is the Canon G7 X Mark III better than the Nikon D3X or vice versa? The listing below highlights the relative strengths of the two models.

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Advantages of the Canon PowerShot G7 X Mark III:

  • Broader imaging potential: Can record not only still images but also 4K/30p movies.
  • More detailed LCD: Has a higher resolution rear screen (1040k vs 922k dots).
  • More flexible LCD: Has a tilting screen for odd-angle shots in landscape orientation.
  • Fewer buttons to press: Is equipped with a touch-sensitive rear screen to facilitate handling.
  • More selfie-friendly: Has an articulated screen that can be turned to be front-facing.
  • Faster burst: Shoots at higher frequency (30 vs 5 flaps/sec) to capture the decisive moment.
  • Less disturbing: Has an electronic shutter option for completely silent shooting.
  • Ready to shoot: Comes with a built-in lens, while the D3X requires a separate lens.
  • More compact: Is smaller (105x61mm vs 160x157mm) and thus needs less room in the bag.
  • Less heavy: Is lighter even though it comes with a built-in lens (unlike the D3X).
  • Easier travel charging: Can be conveniently charged via its USB port.
  • Sharper images: Has hand-shake reducing image stabilization built-in.
  • Easier fill-in: Is equipped with a small onboard flash to brighten deep shadow areas.
  • Faster data transfer: Supports a more advanced USB protocol (3.1 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.
  • More affordable: Was introduced at a lower price, despite coming with a built-in lens.
  • More modern: Reflects 10 years and 7 months of technical progress since the D3X launch.

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Arguments in favor of the Nikon D3X:

  • More detail: Has more megapixels (24.4 vs 20MP), which boosts linear resolution by 11%.
  • Easier framing: Has an optical viewfinder for image composition and settings control.
  • Easier setting verification: Features a control panel on top to check shooting parameters.
  • Faster shutter: Has higher mechanical shutter speed (1/8000s vs 1/2000s) to freeze action.
  • More flexible: Makes it possible to change lenses and thus to use specialty optics.
  • More portrait friendly: Features an integrated vertical grip for easier portrait shooting.
  • Longer lasting: Gets more shots (4400 versus 235) out of a single battery charge.
  • Better sealing: Is splash and dust sealed for shooting in inclement weather conditions.
  • 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.
  • Greater peace of mind: Features a second card slot as a backup in case of memory card failure.
  • More heavily discounted: Has been around for much longer (launched in December 2008).

If the count of relative strengths (bullet points above) is taken as a measure, the G7X Mark III is the clear winner of the match-up (18 : 12 points). However, the pertinence of the various camera strengths will differ across photographers, so that you might want to weigh individual camera traits according to their importance for your own imaging needs before making a camera decision. 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.

G7X Mark III 18:12 D3X

How about other alternatives? Do the specifications of the Canon G7 X Mark III and the Nikon D3X place the cameras among the top in their class? Find out in the latest Best Travel-Zoom Camera and Best DSLR 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 G7X Mark III or the D3X. 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 G7 X Mark III..+ +4/581/1004/5.. Jul 2019 749 amazon.com
2.
 
Nikon D3X......86/1004/55/5 Dec 2008 7,999ebay.com
3.
 
Canon G5 X Mark II4/5+4/582/100..4/5 Jul 2019 899ebay.com
4.
 
Canon SX740..+3.5/5..4/54/5 Jul 2018 399 amazon.com
5.
 
Canon G7 X Mark II4.5/5+ +..81/1004.5/54.5/5 Feb 2016 699ebay.com
6.
 
Canon G5 X5/5+ +..78/1004.5/54.5/5 Oct 2015 799ebay.com
7.
 
Canon G7 X4/5+ +..77/1004.5/54.5/5 Sep 2014 699ebay.com
8.
 
Leica C-LUX....3.5/5..4.5/54/5 Jun 2018 1,049ebay.com
9.
 
Nikon D5....4/589/1004.5/55/5 Jan 2016 6,499ebay.com
10.
 
Nikon D4S5/5......4.5/54.5/5 Feb 2014 6,499ebay.com
11.
 
Nikon D7505/5+ +4/590/1004.5/54.5/5 Sep 2014 2,299ebay.com
12.
 
Nikon D4........4.5/54.5/5 Jan 2012 5,999ebay.com
13.
 
Nikon D3......+ +5/54.5/5 Aug 2007 4,999ebay.com
14.
 
Panasonic FZ1000 II......83/1004.5/54.5/5 Feb 2019 899 amazon.com
15.
 
Panasonic ZS200..+ +4.5/581/1004.5/54.5/5 Feb 2018 799 amazon.com
16.
 
Sony ZV-14/5+4/585/1004/54.5/5 May 2020 799ebay.com
17.
 
Sony RX100 VI4.5/5+ +..83/1004/54.5/5 Jun 2018 1,199ebay.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. 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. 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? 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 G7 X Mark III vs Nikon D3X

    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 G7 X Mark III Nikon D3X
    Camera Type Fixed lens compact camera Digital single lens reflex
    Camera Lens 24-100mm f/1.8-2.8 Nikon F mount lenses
    Launch Date July 2019 December 2008
    Launch Price USD 749 USD 7,999
    Sensor Specs Canon G7 X Mark III Nikon D3X
    Sensor Technology BSI-CMOS CMOS
    Sensor Format 1" Sensor Full Frame Sensor
    Sensor Size 13.2 x 8.8 mm 35.9 x 24.0 mm
    Sensor Area 116.16 mm2 861.6 mm2
    Sensor Diagonal 15.9 mm 43.2 mm
    Crop Factor 2.7x 1.0x
    Sensor Resolution 20 Megapixels 24.4 Megapixels
    Image Resolution 5472 x 3648 pixels 6048 x 4032 pixels
    Pixel Pitch 2.41 μm 5.94 μm
    Pixel Density 17.18 MP/cm2 2.83 MP/cm2
    Moiré control Anti-Alias filter Anti-Alias filter
    Movie Capability 4K/30p Video no Video
    ISO Setting 125 - 12,800 ISO 100 - 1,600 ISO
    ISO Boost 125 - 25,600 ISO 50 - 6,400 ISO
    Image Processor DIGIC 8 EXPEED
    DXO Sensor Quality (score) .. 88
    DXO Color Depth (bits) .. 24.7
    DXO Dynamic Range (EV) .. 13.7
    DXO Low Light (ISO) .. 1992
    Screen Specs Canon G7 X Mark III Nikon D3X
    Viewfinder Type no viewfinder Optical viewfinder
    Viewfinder Field of View 100%
    Viewfinder Magnification 0.70x
    Top-Level Screen no Top Display Control Panel
    LCD Framing Live View Live View
    Rear LCD Size 3.0inch 3.0inch
    LCD Resolution 1040k dots 922k dots
    LCD Attachment Tilting screen Fixed screen
    Touch Input Touchscreen no Touchscreen
    Shooting Specs Canon G7 X Mark III Nikon D3X
    Focus System Contrast-detect AF Phase-detect AF
    Manual Focusing AidFocus Peakingno Peaking Feature
    Continuous Shooting 30 shutter flaps/s 5 shutter flaps/s
    Electronic Shutterup to 1/25600sno E-Shutter
    Time-Lapse PhotographyIntervalometer built-inIntervalometer built-in
    Fill Flash Built-in Flash no On-Board Flash
    Storage Medium SDXC cards CF cards
    Single or Dual Card Slots Single card slot Dual card slots
    Connectivity Specs Canon G7 X Mark III Nikon D3X
    External Flash no Hotshoe Hotshoe
    Studio Flash no PC Sync PC Sync socket
    USB Connector USB 3.1 USB 2.0
    HDMI Port micro HDMI mini HDMI
    Microphone Port External MIC port no MIC socket
    Wifi Support Wifi built-in no Wifi
    Bluetooth Support Bluetooth built-in no Bluetooth
    Body Specs Canon G7 X Mark III Nikon D3X
    Environmental Sealingnot weather sealedWeathersealed body
    Battery Type Canon NB-13L Nikon EN-EL4a
    Battery Life (CIPA)235 shots per charge4400 shots per charge
    In-Camera Charging USB charging no USB charging
    Body Dimensions 105 x 61 x 41 mm
    (4.1 x 2.4 x 1.6 in)
    160 x 157 x 88 mm
    (6.3 x 6.2 x 3.5 in)
    Camera Weight 304 g (10.7 oz) 1260 g (44.4 oz)
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