Canon G7 X Mark II versus Canon T7i
The Canon PowerShot G7 X Mark II and the Canon EOS Rebel T7i (called Canon 800D in some regions) are two digital cameras that were announced, respectively, in February 2016 and February 2017. The G7X Mark II is a fixed lens compact, while the T7i is a DSLR. The cameras are based on an one-inch (G7X Mark II) and an APS-C sensor. The G7X Mark II has a resolution of 20 megapixel, whereas the T7i provides 24 MP.
The side-by-side display below illustrates the physical size and weight of the Canon G7 X Mark II and the Canon T7i. Three consecutive views from the front, the top, and the rear side are shown. All width, height and depth measures are rounded to the nearest millimeter. You can also use the toggle button to switch to a percentage comparison if you prefer that the measures are being expressed in relative terms (in this case, the camera on the left side – the G7X Mark II – represents the basis for the calculations across all the size and weight measures).
If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Canon T7i is considerably larger (103 percent) than the Canon G7 X Mark II. Cameras intended for semi-professional or professional use tend to be a bit bulkier in order to give them the necessary ruggedness. In this context, it is worth noting that neither the G7X Mark II nor the T7i 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 build in, whereas the T7i is an interchangeable lens camera that requires a separate lens. Attaching the latter will add extra weight and bulk to the setup. You can find an overview of optics for the T7i and their specifications in the Canon EF Lens Catalog.
The table below summarizes the key physical specs of the two cameras alongside a broader set of comparators. If you want to switch the focus of the display and review another camera pair, just select a new right or left comparator from among the camera models in the table. Alternatively, you can also move across to the CAM-parator tool and choose from the broad selection of possible comparisons there.
|Camera Body Specifications
|Canon G7 X Mark II (⇒ rgt)||106 mm||61 mm||42 mm||319 g||265||no||2016||699||latest||check|
|Canon T7i (⇒ lft)||131 mm||100 mm||76 mm||532 g||600||no||2017||749||latest||check|
|Canon G9 X Mark II (⇒ lft | rgt)||98 mm||58 mm||31 mm||206 g||235||no||2017||529||latest||check|
|Canon 77D (⇒ lft | rgt)||131 mm||100 mm||76 mm||540 g||600||no||2017||899||latest||check|
|Canon M6 (⇒ lft | rgt)||112 mm||68 mm||45 mm||390 g||295||no||2017||779||latest||check|
|Canon SL2 (⇒ lft | rgt)||122 mm||93 mm||70 mm||453 g||650||no||2017||549||latest||check|
|Canon G9 X (⇒ lft | rgt)||98 mm||58 mm||31 mm||209 g||220||no||2015||529||discont.||check|
|Canon M3 (⇒ lft | rgt)||111 mm||68 mm||44 mm||366 g||250||no||2015||679||discont.||check|
|Canon T6i (⇒ lft | rgt)||132 mm||101 mm||78 mm||555 g||440||no||2015||749||discont.||check|
|Canon T6s (⇒ lft | rgt)||132 mm||101 mm||78 mm||565 g||440||no||2015||849||discont.||check|
|Canon G5 X (⇒ lft | rgt)||112 mm||76 mm||44 mm||353 g||210||no||2015||799||latest||check|
|Canon G7 X (⇒ lft | rgt)||103 mm||60 mm||40 mm||304 g||210||no||2014||699||discont.||check|
|Panasonic ZS100 (⇒ lft | rgt)||111 mm||65 mm||44 mm||312 g||300||no||2016||699||latest||check|
The listed prices provide an indication of the market segment that the manufacturer of the cameras have been targeting. The G7X Mark II was launched at a lower price than the T7i, despite having a lens build in. 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.
The size of the imaging sensor is a crucial determinant of image quality. A large sensor will generally have larger individual pixels that offer better low-light sensitivity, provide wider dynamic range, and have richer color depth than smaller pixels in a sensor of the same technological generation. 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 tent to lead to bigger and heavier cameras and lenses.
Of the two cameras under consideration, the Canon G7 X Mark II features an one-inch sensor and the Canon T7i an APS-C sensor. The sensor area in the T7i is 186 percent bigger. As a result of these sensor size differences, the cameras have a format factor of, respectively, 2.7 and 1.6. Both cameras have a native aspect ratio (sensor width to sensor height) of 3:2.
With 24MP, the T7i offers a higher resolution than the G7X Mark II (20MP), but the T7i nevertheless has larger individual pixels (pixel pitch of 3.72μm versus 2.41μm for the G7X Mark II) due to its larger sensor. Moreover, the T7i is a somewhat more recent model (by 11 months) than the G7X Mark II, and its sensor might have benefitted from technological advances during this time that further enhance the light gathering capacity of its pixel-units.
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 table below summarizes the physical sensor characteristics and sensor quality findings and compares them across a set of similar cameras.
|Canon G7 X Mark II (⇒ rgt)||1-inch||20.0||5472||3648||1080/60p||-||-||-||-|
|Canon T7i (⇒ lft)||APS-C||24.0||6000||4000||1080/60p||..||..||..||..|
|Canon G9 X Mark II (⇒ lft | rgt)||1-inch||20.0||5472||3648||1080/60p||21.9||12.5||522||65|
|Canon 77D (⇒ lft | rgt)||APS-C||24.0||6000||4000||1080/60p||..||..||..||..|
|Canon M6 (⇒ lft | rgt)||APS-C||24.0||6000||4000||1080/60p||..||..||..||..|
|Canon SL2 (⇒ lft | rgt)||APS-C||24.0||6000||4000||1080/60p||23.6||13.4||1041||79|
|Canon G9 X (⇒ lft | rgt)||1-inch||20.0||5472||3648||1080/60p||21.5||12.3||495||63|
|Canon M3 (⇒ lft | rgt)||APS-C||24.0||6000||4000||1080/30p||22.8||11.8||1169||72|
|Canon T6i (⇒ lft | rgt)||APS-C||24.0||6000||4000||1080/60p||22.7||12.0||919||71|
|Canon T6s (⇒ lft | rgt)||APS-C||24.0||6000||4000||1080/30p||22.6||12.0||915||70|
|Canon G5 X (⇒ lft | rgt)||1-inch||20.0||5472||3648||1080/60p||-||-||-||-|
|Canon G7 X (⇒ lft | rgt)||1-inch||20.0||5472||3648||1080/60p||23.0||12.7||556||71|
|Panasonic ZS100 (⇒ lft | rgt)||1-inch||20.0||5472||3648||4K/30p||22.8||12.5||559||70|
Many modern cameras are not only capable of taking still images, but also of capturing video footage. The two cameras under consideration both have sensors whose read-out speed is fast enough to capture moving pictures, and both provide the same movie specifications (1080/60p).
Apart from body and sensor, cameras can and do differ across a variety of features. For example, the T7i 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 table below summarizes some of the other core capabilities of the Canon G7 X Mark II and Canon T7i in connection with corresponding information for a sample of similar cameras. The full specs-sheets can be found in the camera manual or, for example, in the dpreview camera hub.
|Canon G7 X Mark II (⇒ rgt)||no||no||3.0||1040||tilting||YES||2000||8.0||7||no|
|Canon T7i (⇒ lft)||optical||no||3.0||1040||swivel||YES||4000||6.0||12||no|
|Canon G9 X Mark II (⇒ lft | rgt)||no||no||3.0||1040||fixed||YES||2000||8.2||6||no|
|Canon 77D (⇒ lft | rgt)||optical||YES||3.0||1040||swivel||YES||4000||6.0||12||no|
|Canon M6 (⇒ lft | rgt)||no||no||3.0||1040||tilting||YES||4000||9.0||5||no|
|Canon SL2 (⇒ lft | rgt)||optical||no||3.0||1040||swivel||YES||4000||5.0||9.8||no|
|Canon G9 X (⇒ lft | rgt)||no||no||3.0||1040||fixed||YES||2000||6.0||6||no|
|Canon M3 (⇒ lft | rgt)||no||no||3.0||1040||tilting||YES||4000||4.2||5||no|
|Canon T6i (⇒ lft | rgt)||optical||no||3.0||1040||swivel||YES||4000||5.0||12||no|
|Canon T6s (⇒ lft | rgt)||optical||YES||3.0||1040||swivel||YES||4000||5.0||12||no|
|Canon G5 X (⇒ lft | rgt)||2360||no||3.0||1040||swivel||YES||2000||5.9||7||no|
|Canon G7 X (⇒ lft | rgt)||no||no||3.0||1040||tilting||YES||2000||6.5||7||no|
|Panasonic ZS100 (⇒ lft | rgt)||1166||no||3.0||1040||fixed||YES||2000||10.0||YES||YES|
Both the G7X Mark II and the T7i are current models that good online retailers will have in stock. You can check the latest prices, for example, at amazon. The G7X Mark II replaced the earlier Canon G7 X, while the T7i followed on from the Canon T6i.
So how do things add up? Which of the two cameras – the Canon G7 X Mark II or the Canon T7i – has the upper hand? A synthesis of the relative strong points of each of the models is listed below.
Advantages of the Canon PowerShot G7 X Mark II:
- Faster burst: Shoots at higher frequency (8 vs 6 flaps/sec) to capture the decisive moment.
- Ready to shoot: Comes with a build-in lens, while the T7i requires a separate lens.
- More compact: Is smaller (106x61mm vs 131x100mm) and thus needs less room in the bag.
- Less heavy: Is lighter even though it comes with a build-in lens (unlike the T7i).
- More affordable: Was introduced at a lower price, despite coming with a build-in lens.
- More heavily discounted: Has been on the market for longer (launched in February 2016).
Arguments in favor of the Canon EOS Rebel T7i:
- More detail: Has more megapixels (24 vs 20MP), which boosts linear resolution by 10%.
- Better image quality: Is equipped with a larger and more technologically advanced sensor.
- Easier framing: Has an optical viewfinder for image framing.
- More flexible LCD: Has a swivel screen for odd-angle shots in portrait or landscape orientation.
- Faster shutter: Has a higher mechanical shutter speed (4000/sec vs 2000/sec) to freeze action.
- More flexible: Makes it possible to change lenses and thus to use specialty optics.
- Longer lasting: Gets more shots (600 versus 265) out of a single battery charge.
- More modern: Was introduced somewhat (11 months) more recently.
If the count of relative strengths (bullet points above) is taken as a measure, the T7i emerges as the winner of the match-up (8 : 6 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.
In any case, while the specs-based evaluation of cameras is instructive in revealing their potential as photographic tools, it remains incomplete and does no justice, for example, to the way the G7X Mark II or the T7i handle or perform in practice. At times, user reviews, such as those published at amazon, address these issues in a useful manner, but such feedback is on many occasions incomplete, inconsistent, and unreliable. This is why hands-on reviews by experts are important. The adjacent table relays the overall verdicts of several of the most popular camera review sites. The full reviews are available, respectively, at cameralabs.com, dpreview.com, ephotozine.com, imaging-resource.com, and photographyblog.com.
|Canon G7 X Mark II (⇒ rgt)||HiRec||81/100 Silver||4.5/5||4/5||4.5/5||2016||699||latest||check|
|Canon T7i (⇒ lft)||..||80/100 Gold||4.5/5||..||4/5||2017||749||latest||check|
|Canon G9 X Mark II (⇒ lft | rgt)||..||..||4.5/5||4.5/5||4.5/5||2017||529||latest||check|
|Canon 77D (⇒ lft | rgt)||..||82/100 Silver||4.5/5||..||4/5||2017||899||latest||check|
|Canon M6 (⇒ lft | rgt)||-||80/100 Silver||4/5||4.5/5||4/5||2017||779||latest||check|
|Canon SL2 (⇒ lft | rgt)||HiRec||78/100 Silver||4.5/5||-||4.5/5||2017||549||latest||check|
|Canon G9 X (⇒ lft | rgt)||HiRec||-||4.5/5||4/5||4.5/5||2015||529||discont.||check|
|Canon M3 (⇒ lft | rgt)||reviewed||75/100||4.5/5||4.5/5||4/5||2015||679||discont.||check|
|Canon T6i (⇒ lft | rgt)||-||75/100||4.5/5||4.5/5||4.5/5||2015||749||discont.||check|
|Canon T6s (⇒ lft | rgt)||Rec||77/100 Silver||4.5/5||4.5/5||4.5/5||2015||849||discont.||check|
|Canon G5 X (⇒ lft | rgt)||HiRec||78/100 Silver||4.5/5||4/5||4.5/5||2015||799||latest||check|
|Canon G7 X (⇒ lft | rgt)||HiRec||77/100 Silver||4.5/5||3.5/5||4.5/5||2014||699||discont.||check|
|Panasonic ZS100 (⇒ lft | rgt)||HiRec||82/100 Gold||4.5/5||4/5||4.5/5||2016||699||latest||check|
Care should be taken when interpreting the review scores above, though. The assessments were made in relation to similar cameras of the same technological generation. A score, therefore, has to be seen in close connection to the price and market introduction time 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.
In case you would like to check on the differences and similarities of other camera models, just make a corresponding selection in the search boxes below. Alternatively, you can follow any of the listed hyperlinks for comparisons that others found interesting. If you do not see the camera that you are looking for, kindly get in touch, and I will try to update the database with the necessary infos.
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