Canon G7 X vs SX70
The Canon PowerShot G7 X and the Canon PowerShot SX70 HS are two digital cameras that were announced, respectively, in September 2014 and September 2018. Both the G7X and the SX70 are fixed lens compact cameras that are based on an one-inch (G7X) and a 1/2.3-inch (SX70) sensor. The G7X has a resolution of 20 megapixels, whereas the SX70 provides 20.2 MP.
Below is an overview of the main specs of the two cameras as a starting point for the comparison.
|Canon G7 X||Canon SX70|
|Fixed lens compact camera||Fixed lens compact camera|
|24-100mm f/1.8-2.8||21-1365mm f/3.4-6.5|
|20 MP, 1" Sensor||20.2 MP, 1/2.3" Sensor|
|1080/60p Video||4K/30p Video|
|ISO 125-12800||ISO 100-3200|
|No viewfinder, LCD framing||Electronic viewfinder (2360k dots)|
|3.0" LCD, 1040k dots||3.0" LCD, 922k dots|
|Tilting touchscreen||Swivel screen (not touch-sensitive)|
|6.5 shutter flaps per second||10 shutter flaps per second|
|210 shots per battery charge||325 shots per battery charge|
|103 x 60 x 40 mm, 304 g||127 x 91 x 117 mm, 608 g|
Going beyond this snapshot of core features and characteristics, what are the differences between the Canon PowerShot G7 X and the Canon PowerShot SX70 HS? 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.
An illustration of the physical size and weight of the Canon G7 X and the Canon SX70 is provided 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 width, height and depth measures are rounded to the nearest millimeter.
If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Canon SX70 is considerably larger (87 percent) than the Canon G7 X. Moreover, the SX70 is substantially heavier (100 percent) than the G7X. In this context, it is worth noting that neither the G7X nor the SX70 are weather-sealed.
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 camera comparisons there.
|Canon G7 X»||4.1 in||2.4 in||1.6 in||10.7 oz||210||n||Sep 2014||699||Canon G7 X|
|Canon SX70«||5.0 in||3.6 in||4.6 in||21.4 oz||325||n||Sep 2018||549||Canon SX70|
|Canon G7 X Mark III« »||4.1 in||2.4 in||1.6 in||10.7 oz||235||n||Jul 2019||749||Canon G7 X Mark III|
|Canon SX740« »||4.3 in||2.5 in||1.6 in||10.5 oz||265||n||Jul 2018||399||Canon SX740|
|Canon G9 X Mark II« »||3.9 in||2.3 in||1.2 in||7.3 oz||235||n||Jan 2017||529||Canon G9 X Mark II|
|Canon SX730« »||4.3 in||2.5 in||1.6 in||10.6 oz||250||n||Apr 2017||399||Canon SX730|
|Canon G7 X Mark II« »||4.2 in||2.4 in||1.7 in||11.3 oz||265||n||Feb 2016||699||Canon G7 X Mark II|
|Canon G5 X« »||4.4 in||3.0 in||1.7 in||12.5 oz||210||n||Oct 2015||799||Canon G5 X|
|Canon G9 X« »||3.9 in||2.3 in||1.2 in||7.4 oz||220||n||Oct 2015||529||Canon G9 X|
|Canon M3« »||4.4 in||2.7 in||1.7 in||12.9 oz||250||n||Feb 2015||679||Canon M3|
|Canon M10« »||4.3 in||2.6 in||1.4 in||10.6 oz||255||n||Oct 2015||499||Canon M10|
|Canon T6i« »||5.2 in||4.0 in||3.1 in||19.6 oz||440||n||Feb 2015||749||Canon T6i|
|Canon SX60« »||5.0 in||3.7 in||4.5 in||22.9 oz||340||n||Sep 2014||549||Canon SX60|
|Sony RX100 IV« »||4.0 in||2.3 in||1.6 in||10.5 oz||280||n||Jun 2015||999||Sony RX100 IV|
|Sony HX400V« »||5.1 in||3.7 in||4.1 in||23.3 oz||300||n||Feb 2014||499||Sony HX400V|
|Sony RX100 III« »||4.0 in||2.3 in||1.6 in||10.2 oz||320||n||May 2014||799||Sony RX100 III|
|Sony RX100 II« »||4.0 in||2.3 in||1.5 in||9.9 oz||350||n||Jun 2013||749||Sony RX100 II|
|Note: Measurements and pricing do not include easily detachable parts, such as interchangeable lenses or optional viewfinders.|
Any camera decision will naturally be influenced heavily by the price. 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 SX70 was launched at a somewhat lower price (by 21 percent) than the G7X, which makes it more attractive for photographers on a tight budget. 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. 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. Furthermore, a large sensor camera will give the photographer more possibilities to use shallow depth-of-field in order to 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 features an one-inch sensor and the Canon SX70 a 1/2.3-inch sensor. The sensor area in the SX70 is 76 percent smaller. As a result of these sensor size differences, the cameras have a format factor of, respectively, 2.7 and 5.6. The sensor in the G7X has a native 3:2 aspect ratio, while the one in the SX70 offers a 4:3 aspect.
Technology-wise, the SX70 uses a more advanced image processing engine (DIGIC 8) than the G7X (DIGIC 6), with benefits for noise reduction, color accuracy, and processing speed.
Despite having a smaller sensor, the SX70 offers a slightly higher resolution of 20.2 megapixels, compared with 20 MP of the G7X. 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 1.18μm versus 2.41μm for the G7X). However, it should be noted that the SX70 is much more recent (by 4 years) than the G7X, 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 SX70 has no anti-alias filter installed, so that it can capture all the detail its sensor resolves.
The Canon PowerShot G7 X has a native sensitivity range from ISO 125 to ISO 12800. The corresponding ISO settings for the Canon PowerShot SX70 HS are ISO 100 to ISO 3200 (no boost).
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||1-inch||20.0||5472||3648||1080/60p||23.0||12.7||556||71||Canon G7 X|
|Canon SX70||1/2.3||20.2||5184||3888||4K/30p||..||..||..||..||Canon SX70|
|Canon G7 X Mark III||1-inch||20.0||5472||3648||4K/30p||..||..||..||..||Canon G7 X Mark III|
|Canon SX740||1/2.3||20.2||5184||3888||4K/30p||..||..||..||..||Canon SX740|
|Canon G9 X Mark II||1-inch||20.0||5472||3648||1080/60p||21.9||12.5||522||65||Canon G9 X Mark II|
|Canon SX730||1/2.3||20.2||5184||3888||1080/60p||..||..||..||..||Canon SX730|
|Canon G7 X Mark II||1-inch||20.0||5472||3648||1080/60p||..||..||..||..||Canon G7 X Mark II|
|Canon G5 X||1-inch||20.0||5472||3648||1080/60p||..||..||..||..||Canon G5 X|
|Canon G9 X||1-inch||20.0||5472||3648||1080/60p||21.5||12.3||495||63||Canon G9 X|
|Canon M3||APS-C||24.0||6000||4000||1080/30p||22.8||11.8||1169||72||Canon M3|
|Canon M10||APS-C||17.9||5184||3456||1080/30p||22.2||11.4||753||65||Canon M10|
|Canon T6i||APS-C||24.0||6000||4000||1080/30p||22.7||12.0||919||71||Canon T6i|
|Canon SX60||1/2.3||14.2||4608||3072||1080/60p||19.2||10.8||127||39||Canon SX60|
|Sony RX100 IV||1-inch||20.0||5472||3648||4K/30p||22.8||12.6||591||70||Sony RX100 IV|
|Sony HX400V||1/2.3||20.2||5184||3888||1080/60p||..||..||..||..||Sony HX400V|
|Sony RX100 III||1-inch||20.0||5472||3648||1080/60p||22.4||12.3||495||67||Sony RX100 III|
|Sony RX100 II||1-inch||20.0||5472||3648||1080/60p||22.5||12.4||483||67||Sony RX100 II|
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, but the SX70 provides a better video resolution than the G7X. It can shoot movie footage at 4K/30p, while the G7X is limited to 1080/60p.
Apart from body and sensor, cameras can and do differ across a range of features. For example, the SX70 has an electronic viewfinder (2360k dots), which can be very helpful when shooting in bright sunlight. In contrast, the G7X relies on live view and the rear LCD for framing. The following table reports on some other key feature differences and similarities of the Canon G7 X, the Canon SX70, and comparable cameras.
|Canon G7 X||none||n||3.0||1040||tilting||Y||1/2000s||6.5||Y||Y||Canon G7 X|
|Canon SX70||2360||n||3.0||922||swivel||n||1/2000s||10.0||Y||Y||Canon SX70|
|Canon G7 X Mark III||none||n||3.0||1040||tilting||Y||1/2000s||30||Y||Y||Canon G7 X Mark III|
|Canon SX740||none||n||3.0||922||tilting||n||1/3200s||10.0||Y||Y||Canon SX740|
|Canon G9 X Mark II||none||n||3.0||1040||fixed||Y||1/2000s||8.2||Y||Y||Canon G9 X Mark II|
|Canon SX730||none||n||3.0||922||tilting||n||1/3200s||5.9||Y||Y||Canon SX730|
|Canon G7 X Mark II||none||n||3.0||1040||tilting||Y||1/2000s||8.0||Y||Y||Canon G7 X Mark II|
|Canon G5 X||2360||n||3.0||1040||swivel||Y||1/2000s||5.9||Y||Y||Canon G5 X|
|Canon G9 X||none||n||3.0||1040||fixed||Y||1/2000s||6.0||Y||Y||Canon G9 X|
|Canon M3||optional||n||3.0||1040||tilting||Y||1/4000s||4.2||Y||n||Canon M3|
|Canon M10||none||n||3.0||1040||tilting||Y||1/4000s||4.6||Y||n||Canon M10|
|Canon T6i||optical||n||3.0||1040||swivel||Y||1/4000s||5.0||Y||n||Canon T6i|
|Canon SX60||922||n||3.0||922||swivel||n||1/2000s||6.4||Y||Y||Canon SX60|
|Sony RX100 IV||2359||n||3.0||1228||tilting||n||1/2000s||16.0||Y||Y||Sony RX100 IV|
|Sony HX400V||210||n||3.0||921||tilting||n||1/4000s||10.0||Y||Y||Sony HX400V|
|Sony RX100 III||1440||n||3.0||1229||tilting||n||1/2000s||10.0||Y||Y||Sony RX100 III|
|Sony RX100 II||optional||n||3.0||1229||tilting||n||1/2000s||10.0||Y||Y||Sony RX100 II|
One differentiating feature between the two cameras concerns the touch sensitivity of the rear screen. The G7X has a touchscreen, while the SX70 has a conventional panel. Touch control can be particularly helpful, for example, for setting the focus point.Both cameras have an articulated rear screen that can be turned to be front-facing. This feature will be particularly appreciated by vloggers and photographers who are interested in taking selfies.
The Canon G7 X 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.
Both the G7X and the SX70 have zoom lenses built in. The G7X has a 24-100mm f/1.8-2.8 optic and the SX70 offers a 21-1365mm f/3.4-6.5 (focal lengths in full frame equivalent terms). Hence, the SX70 provides a wider angle of view at the short end, as well as more tele-photo reach at the long end than the G7X. The G7X offers the faster maximum aperture.
Concerning the storage of imaging data, both the G7X and the SX70 write their files to SDXC cards. Both cameras can use UHS-I cards, which provide for Ultra High Speed data transfer of up to 104 MB/s.
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 and Canon PowerShot SX70 HS and, in particular, the interfaces the cameras (and selected comparators) provide for accessory control and data transfer.
|Canon G7 X||-||stereo||mono||-||-||micro||2.0||Y||Y||-||Canon G7 X|
|Canon SX70||-||stereo||mono||Y||-||micro||2.0||Y||-||Y||Canon SX70|
|Canon G7 X Mark III||-||stereo||mono||Y||-||micro||3.1||Y||-||Y||Canon G7 X Mark III|
|Canon SX740||-||stereo||mono||-||-||micro||2.0||Y||Y||Y||Canon SX740|
|Canon G9 X Mark II||-||stereo||mono||-||-||micro||2.0||Y||Y||Y||Canon G9 X Mark II|
|Canon SX730||-||stereo||mono||-||-||micro||2.0||Y||Y||Y||Canon SX730|
|Canon G7 X Mark II||-||stereo||mono||-||-||micro||2.0||Y||Y||-||Canon G7 X Mark II|
|Canon G5 X||Y||stereo||mono||-||-||mini||2.0||Y||Y||-||Canon G5 X|
|Canon G9 X||-||stereo||mono||-||-||micro||2.0||Y||Y||-||Canon G9 X|
|Canon M3||Y||stereo||mono||Y||-||mini||2.0||Y||Y||-||Canon M3|
|Canon M10||-||stereo||mono||-||-||mini||2.0||Y||Y||-||Canon M10|
|Canon T6i||Y||stereo||mono||Y||-||mini||2.0||Y||Y||-||Canon T6i|
|Canon SX60||Y||stereo||mono||Y||-||mini||2.0||Y||Y||-||Canon SX60|
|Sony RX100 IV||-||stereo||mono||-||-||micro||2.0||Y||Y||-||Sony RX100 IV|
|Sony HX400V||Y||stereo||mono||-||-||micro||2.0||Y||Y||-||Sony HX400V|
|Sony RX100 III||-||stereo||mono||-||-||micro||2.0||Y||Y||-||Sony RX100 III|
|Sony RX100 II||Y||stereo||mono||-||-||micro||2.0||Y||Y||-||Sony RX100 II|
It is notable that the SX70 has a microphone port, which can help to improve the quality of audio recordings by attaching an external microphone. The G7X does not feature such a mic input.
The SX70 is a recent model that features in the current product line-up of Canon. In contrast, the G7X has been discontinued (but it can be found pre-owned on eBay). As a replacement in the same line of cameras, the G7X was succeeded by the Canon G7 X Mark II. Further information on the two cameras (e.g. user guides, manuals), as well as related accessories, can be found on the official Canon website.
So how do things add up? Which of the two cameras – the Canon G7 X or the Canon SX70 – has the upper hand? Is one clearly better than the other? The listing below highlights the relative strengths of the two models.
Arguments in favor of the Canon PowerShot G7 X:
- Better moiré control: Has an anti-alias filter to avoid artificial patterns to appear in images.
- Better image quality: Features bigger pixels on a larger sensor for higher quality imaging.
- Richer colors: The pixel size advantage translates into images with better, more accurate colors.
- More dynamic range: Larger pixels capture a wider spectrum of light and dark details.
- Better low-light sensitivity: Larger pixels means good image quality even under poor lighting.
- More detailed LCD: Has a higher resolution rear screen (1040k vs 922k dots).
- Fewer buttons to press: Is equipped with a touch-sensitive rear screen to facilitate handling.
- Easier time-lapse photography: Has an intervalometer built-in for low frequency shooting.
- Better light gathering: Has a lens with a wider maximum aperture (f/1.8 vs f/3.4).
- More compact: Is smaller (103x60mm vs 127x91mm) and thus needs less room in the bag.
- Less heavy: Is lighter (by 304g or 50 percent) and hence easier to carry around.
- Easier device pairing: Supports NFC for fast wireless image transfer over short distances.
- More heavily discounted: Has been available for much longer (launched in September 2014).
Reasons to prefer the Canon PowerShot SX70 HS:
- Maximized detail: Lacks an anti-alias filter to exploit the sensor's full resolution potential.
- Better jpgs: Has a more modern image processing engine (DIGIC 8 vs DIGIC 6).
- Better video: Provides higher definition movie capture (4K/30p vs 1080/60p).
- Better sound: Can connect to an external microphone for higher quality sound recording.
- Easier framing: Has an electronic viewfinder for image composition and settings control.
- More flexible LCD: Has a swivel screen for odd-angle shots in portrait or landscape orientation.
- Faster burst: Shoots at higher frequency (10 vs 6.5 flaps/sec) to capture the decisive moment.
- Wider view: Has a wider-angle lens that facilitates landscape or interior shots.
- More tele-reach: Has a longer tele-lens for perspective compression and subject magnification.
- Longer lasting: Gets more shots (325 versus 210) out of a single battery charge.
- Easier wireless transfer: Supports Bluetooth for image sharing without cables.
- More affordable: Was released into a lower priced segment (21 percent cheaper at launch).
- More modern: Reflects 4 years of technical progress since the G7X launch.
If the count of relative strengths (bullet points above) is taken as a measure, the match-up finishes in a tie (13 points each). 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.
How about other alternatives? Do the specifications of the Canon G7 X and the Canon SX70 place the cameras among the top in their class? Find out in the latest Best Travel-Zoom Camera and Best Superzoom Camera listings whether the two cameras rank among the cream of the crop.
In any case, while the comparison of the spec-sheets of cameras can offer a general idea of their imaging potential, it remains incomplete and does no justice, for example, to the way the G7X or the SX70 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.
This is why expert reviews are important. The following table reports the overall ratings of the cameras as published by some of the major camera review sites (cameralabs, dpreview, ephotozine, imaging-resource, and photographyblog). 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.
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.
Other camera comparisons
Did this review help to inform your camera decision process? In case you would like to check on the differences and similarities of other camera models, 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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- Canon G7 X Mark II vs Olympus E-520
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- Canon G7 X Mark III vs Kodak AZ901
- Canon G7 X vs Canon XS
- Canon G7 X vs Nikon B500
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Specifications: Canon G7 X vs Canon SX70
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 Model||Canon G7 X||Canon SX70|
|Camera Type||Fixed lens compact camera||Fixed lens compact camera|
|Camera Lens||24-100mm f/1.8-2.8||21-1365mm f/3.4-6.5|
|Launch Date||September 2014||September 2018|
|Launch Price||USD 699||USD 549|
|Sensor Specs||Canon G7 X||Canon SX70|
|Sensor Format||1" Sensor||1/2.3" Sensor|
|Sensor Size||13.2 x 8.8 mm||6.17 x 4.55 mm|
|Sensor Area||116.16 mm2||28.0735 mm2|
|Sensor Diagonal||15.9 mm||7.7 mm|
|Sensor Resolution||20 Megapixels||20.2 Megapixels|
|Image Resolution||5472 x 3648 pixels||5184 x 3888 pixels|
|Pixel Pitch||2.41 μm||1.18 μm|
|Pixel Density||17.18 MP/cm2||71.80 MP/cm2|
|Moiré control||Anti-Alias filter||no AA filter|
|Movie Capability||1080/60p Video||4K/30p Video|
|ISO Setting||125-12800 ISO||100-3200 ISO|
|Image Processor||DIGIC 6||DIGIC 8|
|DXO Sensor Quality (score)||71||..|
|DXO Color Depth (bits)||23.0||..|
|DXO Dynamic Range (EV)||12.7||..|
|DXO Low Light (ISO)||556||..|
|Screen Specs||Canon G7 X||Canon SX70|
|Viewfinder Type||No viewfinder||Electronic viewfinder|
|Viewfinder Field of View||100%|
|Viewfinder Resolution||2360k dots|
|LCD Framing||Live View||Live View|
|Rear LCD Size||3.0 inch||3.0 inch|
|LCD Resolution||1040k dots||922k dots|
|LCD Attachment||Tilting screen||Swivel screen|
|Touch Input||Touchscreen||no Touchscreen|
|Shooting Specs||Canon G7 X||Canon SX70|
|Focus System||Contrast-detect AF||Contrast-detect AF|
|Manual Focusing Aid||Focus Peaking||Focus Peaking|
|Max Shutter Speed (mechanical)||1/2000/s||1/2000/s|
|Continuous Shooting||6.5 shutter flaps/s||10 shutter flaps/s|
|Time-Lapse Photography||Intervalometer built-in||no Intervalometer|
|Fill Flash||Build-in Flash||Build-in Flash|
|Storage Medium||SDXC cards||SDXC cards|
|Second Storage Option||Single card slot||Single card slot|
|UHS card support||UHS-I||UHS-I|
|Connectivity Specs||Canon G7 X||Canon SX70|
|External Flash||no Hotshoe||no Hotshoe|
|USB Connector||USB 2.0||USB 2.0|
|HDMI Port||micro HDMI||micro HDMI|
|Microphone Port||no MIC socket||External MIC port|
|Wifi Support||Wifi built-in||Wifi built-in|
|Near-Field Communication||NFC built-in||no NFC|
|Bluetooth Support||no Bluetooth||Bluetooth built-in|
|Body Specs||Canon G7 X||Canon SX70|
|Battery Life (CIPA)||210 shots per charge||325 shots per charge|
103 x 60 x 40 mm
(4.1 x 2.4 x 1.6 in)
127 x 91 x 117 mm
(5.0 x 3.6 x 4.6 in)
|Camera Weight||304 g (10.7 oz)||608 g (21.4 oz)|
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