Canon SX420 vs SX70
The Canon PowerShot SX420 IS and the Canon PowerShot SX70 HS are two digital cameras that were announced, respectively, in January 2016 and September 2018. Both the SX420 and the SX70 are fixed lens compact cameras that are equipped with a 1/2.3-inch sensor. The SX420 has a resolution of 19.9 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.
Going beyond this snapshot of core features and characteristics, what are the differences between the Canon PowerShot SX420 IS 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.
The side-by-side display below illustrates the physical size and weight of the Canon SX420 and the Canon SX70. 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 measures are rounded to the nearest millimeter.
The SX420 can be obtained in two different colors (black, red), while the SX70 is only available in black.
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 (61 percent) than the Canon SX420. Moreover, the SX70 is substantially heavier (87 percent) than the SX420. In this context, it is worth noting that neither the SX420 nor the SX70 are weather-sealed.
The following table provides a synthesis of the main physical specifications of the two cameras and other similar ones. In case you want to display and compare another camera duo, you can use the CAM-parator app to select your camera combination among a large number of options.
|1.||Canon SX420||104 mm||69 mm||85 mm||325 g||195||n||Jan 2016||299|
|2.||Canon SX70||127 mm||91 mm||117 mm||608 g||325||n||Sep 2018||549|
|3.||Canon SX740||110 mm||64 mm||40 mm||299 g||265||n||Jul 2018||399|
|4.||Canon SX430||104 mm||69 mm||85 mm||323 g||195||n||Jan 2017||299|
|5.||Canon G9 X Mark II||98 mm||58 mm||31 mm||206 g||235||n||Jan 2017||529|
|6.||Canon SX730||110 mm||64 mm||40 mm||300 g||250||n||Apr 2017||399|
|7.||Canon G7 X Mark II||106 mm||61 mm||42 mm||319 g||265||n||Feb 2016||699|
|8.||Canon SX620||97 mm||57 mm||28 mm||182 g||295||n||May 2016||279|
|9.||Canon SX720||110 mm||64 mm||36 mm||270 g||250||n||Feb 2016||379|
|10.||Canon G5 X||112 mm||76 mm||44 mm||353 g||210||n||Oct 2015||799|
|11.||Canon SX410||104 mm||69 mm||85 mm||325 g||185||n||Feb 2015||279|
|12.||Canon SX610||105 mm||61 mm||27 mm||191 g||270||n||Jan 2015||249|
|13.||Canon SX710||113 mm||66 mm||35 mm||269 g||230||n||Jan 2015||349|
|14.||Canon SX60||128 mm||93 mm||114 mm||650 g||340||n||Sep 2014||549|
|15.||Panasonic ZS70||112 mm||67 mm||41 mm||322 g||380||n||Apr 2017||449|
|16.||Sony HX400V||130 mm||93 mm||103 mm||660 g||300||n||Feb 2014||499|
|Notes: Measurements and pricing do not include easily detachable parts, such as add-on or interchangeable lenses or optional viewfinders.|
The price is, of course, an important factor in any camera decision. 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 SX420 was launched at a markedly lower price (by 46 percent) than the SX70, 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.
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. 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 tend to be associated with larger, more expensive camera bodies and lenses.
Both cameras under consideration feature a 1/2.3-inch sensor and have a format factor (sometimes also referred to as "crop factor") of 5.6. Within the spectrum of camera sensors, this places the review cameras among the smaller-sensor digicams that favor affordability and compact design. Both cameras feature a native aspect ratio (sensor width to sensor height) of 4:3.
Technology-wise, the SX70 uses a more advanced image processing engine (DIGIC 8) than the SX420 (DIGIC 4+), with benefits for noise reduction, color accuracy, and processing speed.
While the two cameras under review share the same sensor size, the SX70 offers a slightly higher resolution of 20.2 megapixels, compared with 19.9 MP of the SX420. This megapixels advantage translates into a 0.59999999999999 percent gain in linear resolution. On the other hand, these sensor specs imply that the SX70 has a higher pixel density and a smaller size of the individual pixel (with a pixel pitch of 1.18μm versus 1.19μm for the SX420). However, it should be noted that the SX70 is much more recent (by 2 years and 8 months) than the SX420, and its sensor will have benefitted from technological advances during this time that compensate for the smaller pixel size. Coming back to sensor resolution, it should be mentioned that neither of the two cameras has an anti-alias filter installed, so they are able to capture all the detail the sensor resolves.
The Canon PowerShot SX420 IS has a native sensitivity range from ISO 100 to ISO 1600. The corresponding ISO settings for the Canon PowerShot SX70 HS are ISO 100 to ISO 3200 (no boost).
For many cameras, data on sensor performance has been reported by DXO Mark. 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 adjacent table reports on the physical sensor characteristics and the outcomes of the DXO sensor quality tests for a sample of comparator-cameras.
| DXO |
|5.||Canon G9 X Mark II||1-inch||20.0||5472||3648||1080/60p||21.9||12.5||522||65|
|7.||Canon G7 X Mark II||1-inch||20.0||5472||3648||1080/60p||..||..||..||..|
|10.||Canon G5 X||1-inch||20.0||5472||3648||1080/60p||..||..||..||..|
Many modern cameras cannot only take still pictures, but also record videos. 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 SX420. It can shoot movie footage at 4K/30p, while the SX420 is limited to 720/25p.
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 SX420 relies on live view and the rear LCD for framing. The table below summarizes some of the other core capabilities of the Canon SX420 and Canon SX70 in connection with corresponding information for a sample of similar cameras.
|5.||Canon G9 X Mark II||none||n||3.0||1040||fixed||Y||1/2000s||8.2||Y||Y|
|7.||Canon G7 X Mark II||none||n||3.0||1040||tilting||Y||1/2000s||8.0||Y||Y|
|10.||Canon G5 X||2360||n||3.0||1040||swivel||Y||1/2000s||5.9||Y||Y|
Both the SX420 and the SX70 have zoom lenses built in. The SX420 has a 24-1008mm f/3.5-6.6 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 SX420. The SX70 offers the faster maximum aperture.
Concerning the storage of imaging data, both the SX420 and the SX70 write their files to SDXC cards. The SX70 supports UHS-I cards (Ultra High Speed data transfer of up to 104 MB/s), while the SX420 cannot take advantage of Ultra High Speed SD cards.
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 SX420 IS and Canon PowerShot SX70 HS and, in particular, the interfaces the cameras (and selected comparators) provide for accessory control and data transfer.
| WiFi |
| NFC |
|5.||Canon G9 X Mark II||-||stereo||mono||-||-||micro||2.0||Y||Y||Y|
|7.||Canon G7 X Mark II||-||stereo||mono||-||-||micro||2.0||Y||Y||-|
|10.||Canon G5 X||Y||stereo||mono||-||-||mini||2.0||Y||Y||-|
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 SX420 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 SX420 has been discontinued (but can be found pre-owned on eBay). As a replacement in the same line of cameras, the SX420 was succeeded by the Canon SX430. 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? Is there a clear favorite between the Canon SX420 and the Canon SX70? Which camera is better? Below is a summary of the relative strengths of each of the two contestants.
Reasons to prefer the Canon PowerShot SX420 IS:
- Faster shutter: Has higher mechanical shutter speed (1/4000s vs 1/2000s) to freeze action.
- More compact: Is smaller (104x69mm vs 127x91mm) and thus needs less room in the bag.
- Less heavy: Is lighter (by 283g or 47 percent) and hence easier to carry around.
- Easier device pairing: Supports NFC for fast wireless image transfer over short distances.
- More affordable: Was introduced into a lower priced category (46 percent cheaper at launch).
- More heavily discounted: Has been available for much longer (launched in January 2016).
Advantages of the Canon PowerShot SX70 HS:
- Better jpgs: Has a more modern image processing engine (DIGIC 8 vs DIGIC 4+).
- Better video: Provides higher definition movie capture (4K/30p vs 720/25p).
- 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 detailed LCD: Has a higher resolution rear screen (922k vs 230k dots).
- More flexible LCD: Has a swivel screen for odd-angle shots in portrait or landscape orientation.
- More selfie-friendly: Has an articulated screen that can be turned to be front-facing.
- Faster burst: Shoots at higher frequency (10 vs 0.5 flaps/sec) to capture the decisive moment.
- Better light gathering: Has a lens with a wider maximum aperture (f/3.4 vs f/3.5).
- 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 195) out of a single battery charge.
- Easier wireless transfer: Supports Bluetooth for image sharing without cables.
- Faster buffer clearing: Has an SD card interface that supports the UHS-I standard.
- More modern: Reflects 2 years and 8 months of technical progress since the SX420 launch.
If the count of relative strengths (bullet points above) is taken as a measure, the SX70 is the clear winner of the contest (15 : 6 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 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 SX420 and the Canon SX70 place the cameras among the top in their class? Find out in the latest Best Superzoom Camera listing 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 SX420 or the SX70. 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 where reviews by experts come in. The adjacent summary-table relays the overall verdicts of several of the most popular camera review sites (amateurphotographer [AP], cameralabs [CL], 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.
|1.||Canon SX420||..||..||..||..||3/5||Jan 2016||299|
|2.||Canon SX70||..||+ +||..||3.5/5||3.5/5||Sep 2018||549|
|3.||Canon SX740||..||+||..||4/5||4/5||Jul 2018||399|
|4.||Canon SX430||..||..||..||3.5/5||3.5/5||Jan 2017||299|
|5.||Canon G9 X Mark II||4/5||..||75/100||4.5/5||4.5/5||Jan 2017||529|
|6.||Canon SX730||..||+||..||4/5||4/5||Apr 2017||399|
|7.||Canon G7 X Mark II||4.5/5||+ +||81/100||4.5/5||4.5/5||Feb 2016||699|
|8.||Canon SX620||..||..||..||..||4/5||May 2016||279|
|9.||Canon SX720||..||+||..||4/5||4.5/5||Feb 2016||379|
|10.||Canon G5 X||5/5||+ +||78/100||4.5/5||4.5/5||Oct 2015||799|
|11.||Canon SX410||..||o||..||..||..||Feb 2015||279|
|12.||Canon SX610||..||..||..||4/5||4/5||Jan 2015||249|
|13.||Canon SX710||..||+||..||4/5||3.5/5||Jan 2015||349|
|14.||Canon SX60||3/5||+ +||75/100||4/5||4.5/5||Sep 2014||549|
|15.||Panasonic ZS70||..||+ +||..||4/5||4/5||Apr 2017||449|
|16.||Sony HX400V||4/5||+ +||..||4/5||4/5||Feb 2014||499|
|Notes: (+ +) 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.
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. There is also a set of direct links to comparison reviews that other users of the CAM-parator app explored.
Specifications: Canon SX420 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 SX420||Canon SX70|
|Camera Type||Fixed lens compact camera||Fixed lens compact camera|
|Camera Lens||24-1008mm f/3.5-6.6||21-1365mm f/3.4-6.5|
|Launch Date||January 2016||September 2018|
|Launch Price||USD 299||USD 549|
|Sensor Specs||Canon SX420||Canon SX70|
|Sensor Format||1/2.3" Sensor||1/2.3" Sensor|
|Sensor Size||6.17 x 4.55 mm||6.17 x 4.55 mm|
|Sensor Area||28.0735 mm2||28.0735 mm2|
|Sensor Diagonal||7.7 mm||7.7 mm|
|Sensor Resolution||19.9 Megapixels||20.2 Megapixels|
|Image Resolution||5152 x 3864 pixels||5184 x 3888 pixels|
|Pixel Pitch||1.19 μm||1.18 μm|
|Pixel Density||70.91 MP/cm2||71.80 MP/cm2|
|Moiré control||no AA filter||no AA filter|
|Movie Capability||720/25p Video||4K/30p Video|
|ISO Setting||100 - 1,600 ISO||100 - 3,200 ISO|
|Image Processor||DIGIC 4+||DIGIC 8|
|Screen Specs||Canon SX420||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||3.0inch||3.0inch|
|LCD Resolution||230k dots||922k dots|
|LCD Attachment||Fixed screen||Swivel screen|
|Shooting Specs||Canon SX420||Canon SX70|
|Focus System||Contrast-detect AF||Contrast-detect AF|
|Manual Focusing Aid||no Peaking Feature||Focus Peaking|
|Max Shutter Speed (mechanical)||1/4000s||1/2000s|
|Continuous Shooting||0.5 shutter flaps/s||10 shutter flaps/s|
|Fill Flash||Built-in Flash||Built-in Flash|
|Storage Medium||SDXC cards||SDXC cards|
|Second Storage Option||Single card slot||Single card slot|
|UHS card support||no||UHS-I|
|Connectivity Specs||Canon SX420||Canon SX70|
|External Flash||no Hotshoe||no Hotshoe|
|USB Connector||USB 2.0||USB 2.0|
|HDMI Port||no 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 SX420||Canon SX70|
|Battery Life (CIPA)||195 shots per charge||325 shots per charge|
104 x 69 x 85 mm
(4.1 x 2.7 x 3.3 in)
127 x 91 x 117 mm
(5.0 x 3.6 x 4.6 in)
|Camera Weight||325 g (11.5 oz)||608 g (21.4 oz)|
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