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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.

Headline Specifications
Canon SX420 versus Canon SX70
Canon SX420 Canon SX70
Fixed lens compact camera Fixed lens compact camera
24-1008mm f/3.5-6.6 21-1365mm f/3.4-6.5
19.9 MP, 1/2.3" Sensor 20.2 MP, 1/2.3" Sensor
720/25p Video 4K/30p Video
ISO 100-1,600 ISO 100-3,200
No viewfinder, LCD framing Electronic viewfinder (2360k dots)
3.0 LCD, 230k dots 3.0 LCD, 922k dots
Fixed screen (not touch-sensitive) Swivel screen (not touch-sensitive)
0.5 shutter flaps per second 10 shutter flaps per second
195 shots per battery charge325 shots per battery charge
104 x 69 x 85 mm, 325 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 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.

Body comparison

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.

Size Canon SX420 vs Canon SX70
Compare SX420 versus SX70 top
Comparison SX420 or SX70 rear

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, just click on the right or left arrow next to the camera that you would like to inspect. Alternatively, you can also use the CAM-parator to select your camera combination among a larger number of options.

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Body Specifications
  Camera
Model
Camera
Width
Camera
Height
Camera
Depth
Camera
Weight
Battery
Life 1
Weather
Sealing
Camera
Launch 2
Launch
Price (USD)
Street
Price
 
Canon SX420 104 mm 69 mm 85 mm 325 g 195 n Jan 2016 299 i
 
Canon SX70 127 mm 91 mm 117 mm 608 g 325 n Sep 2018 549 i
 
Canon 77D 131 mm 100 mm 76 mm 540 g 600 n Feb 2017 899 i
 
Canon 200D 122 mm 93 mm 70 mm 453 g 650 n Jun 2017 549i
 
Canon 800D 131 mm 100 mm 76 mm 532 g 600 n Feb 2017 749i
 
Canon G9 X Mark II 98 mm 58 mm 31 mm 206 g 235 n Jan 2017 529 i
 
Canon M6 112 mm 68 mm 45 mm 390 g 295 n Feb 2017 779i
 
Canon M100 108 mm 67 mm 35 mm 302 g 295 n Aug 2017 499i
 
Canon SX730 110 mm 64 mm 40 mm 300 g 250 n Apr 2017 399i
 
Canon G7 X Mark II 106 mm 61 mm 42 mm 319 g 265 n Feb 2016 699i
 
Canon SX620 97 mm 57 mm 28 mm 182 g 295 n May 2016 279 i
 
Canon SX720 110 mm 64 mm 36 mm 270 g 250 n Feb 2016 379i
 
Canon G5 X 112 mm 76 mm 44 mm 353 g 210 n Oct 2015 799i
 
Canon SX410 104 mm 69 mm 85 mm 325 g 185 n Feb 2015 279i
 
Canon SX610 105 mm 61 mm 27 mm 191 g 270 n Jan 2015 249i
 
Canon SX710 113 mm 66 mm 35 mm 269 g 230 n Jan 2015 349i
Notes: Measurements and pricing do not include easily detachable parts, such as add-on or interchangeable lenses or optional viewfinders.
(1) Number of images that can be taken on a full battery charge according to the CIPA-standard; (2) Official announcement.

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.

Sensor comparison

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.

Canon SX420 and Canon SX70 sensor measures

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).

SX420 versus SX70 MP

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.

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Sensor Characteristics
  Camera
Model
Sensor
Class
Resolution
(MP)
Horiz.
Pixels
Vert.
Pixels
Video
Format
DXO
Portrait
DXO
Landscape
DXO
Sports
DXO
Overall
 
Canon SX420 1/2.3 19.9 5152 3864720/25p........
 
Canon SX70 1/2.3 20.2 5184 38884K/30p........
 
Canon 77D APS-C 24.0 6000 40001080/60p23.613.397178
 
Canon 200D APS-C 24.0 6000 40001080/60p23.613.4104179
 
Canon 800D APS-C 24.0 6000 40001080/60p........
 
Canon G9 X Mark II 1-inch 20.0 5472 36481080/60p21.912.552265
 
Canon M6 APS-C 24.0 6000 40001080/60p........
 
Canon M100 APS-C 24.0 6000 40001080/60p23.512.9127278
 
Canon SX730 1/2.3 20.2 5184 38881080/60p........
 
Canon G7 X Mark II 1-inch 20.0 5472 36481080/60p........
 
Canon SX620 1/2.3 20.2 5184 38881080/30p........
 
Canon SX720 1/2.3 20.2 5184 38881080/60p........
 
Canon G5 X 1-inch 20.0 5472 36481080/60p........
 
Canon SX410 1/2.3 19.9 5152 3864720/30p........
 
Canon SX610 1/2.3 20.2 5184 38881080/30p........
 
Canon SX710 1/2.3 20.2 5184 38881080/60p........

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.

Feature comparison

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.

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Core Features
  Camera
Model
Viewfinder
(Type or
000 dots)
Control
Panel
(yes/no)
LCD
Size
(inch)
LCD
Resolution
(000 dots)
LCD
Attach-
ment
Touch
Screen
(yes/no)
Mech
Shutter
Speed
Shutter
Flaps
(1/sec)
Built-in
Flash
(yes/no)
Built-in
Image
Stab
 
Canon SX420none n 3.0 230 fixed n 1/4000s 0.5 Y Y
 
Canon SX702360 n 3.0 922 swivel n 1/2000s 10.0 Y Y
 
Canon 77Doptical Y 3.0 1040 swivel Y 1/4000s 6.0 Y n
 
Canon 200Doptical n 3.0 1040 swivel Y 1/4000s 5.0 Y n
 
Canon 800Doptical n 3.0 1040 swivel Y 1/4000s 6.0 Y n
 
Canon G9 X Mark IInone n 3.0 1040 fixed Y 1/2000s 8.2 Y Y
 
Canon M6optional n 3.0 1040 tilting Y 1/4000s 9.0 Y n
 
Canon M100none n 3.0 1040 tilting Y 1/4000s 6.1 Y n
 
Canon SX730none n 3.0 922 tilting n 1/3200s 5.9 Y Y
 
Canon G7 X Mark IInone n 3.0 1040 tilting Y 1/2000s 8.0 Y Y
 
Canon SX620none n 3.0 922 fixed n 1/2000s 2.5 Y Y
 
Canon SX720none n 3.0 922 fixed n 1/3200s 5.9 Y Y
 
Canon G5 X2360 n 3.0 1040 swivel Y 1/2000s 5.9 Y Y
 
Canon SX410none n 3.0 230 fixed n 1/4000s 0.5 Y Y
 
Canon SX610none n 3.0 922 fixed n 1/2000s 2.5 Y Y
 
Canon SX710none n 3.0 922 fixed n 1/3200s 6.0 Y Y
The SX70 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 SX420 does not have a selfie-screen.

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.

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 SX420 IS and Canon PowerShot SX70 HS and, in particular, the interfaces the cameras (and selected comparators) provide for accessory control and data transfer.

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Input-Output Connections
  Camera
Model
Hotshoe
Port
Internal
Microphone
Internal
Speaker
Microphone
Port
Headphone
Port
HDMI
Port
USB
Port
WiFi
Support
NFC
Support
Bluetooth
Support
 
Canon SX420-monomono---2.0YY-
 
Canon SX70-stereomonoY-micro2.0Y-Y
 
Canon 77DYstereomonoY-mini2.0YYY
 
Canon 200DYstereomonoY-mini2.0YYY
 
Canon 800DYstereomonoY-mini2.0YYY
 
Canon G9 X Mark II-stereomono--micro2.0YYY
 
Canon M6YstereomonoY-mini2.0YYY
 
Canon M100-stereomono--mini2.0YYY
 
Canon SX730-stereomono--micro2.0YYY
 
Canon G7 X Mark II-stereomono--micro2.0YY-
 
Canon SX620-monomono--micro2.0YY-
 
Canon SX720-stereomono--micro2.0YY-
 
Canon G5 XYstereomono--mini2.0YY-
 
Canon SX410-stereomono---2.0---
 
Canon SX610-----micro2.0YY-
 
Canon SX710-stereomono--micro2.0YY-

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.

Both the SX420 and the SX70 are recent models that are part of the current product line-up. The SX420 replaced the earlier Canon SX410, while the SX70 followed on from the Canon SX60 . Further information on the two cameras (e.g. user guides, manuals), as well as related accessories, can be found on the official Canon website.

Review summary

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.

SX420 06:15 SX70

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.

Expert reviews

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 (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.

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Review Scores
  Camera
Model
camera
  labs  
dp
review  
ephoto
  zine  
imaging
resource
photography
  blog  
Camera
Launch
Launch
Price (USD)
Street
Price
 
Canon SX420........3/5 Jan 2016 299 i
 
Canon SX70+ +..3.5/5..3.5/5 Sep 2018 549 i
 
Canon 77D..82/1004.5/54.5/54/5 Feb 2017 899 i
 
Canon 200D+ +78/1004.5/54.5/54.5/5 Jun 2017 549i
 
Canon 800D..80/1004.5/54/54/5 Feb 2017 749i
 
Canon G9 X Mark II..75/1004.5/54.5/54.5/5 Jan 2017 529 i
 
Canon M6..80/1004/54.5/54/5 Feb 2017 779i
 
Canon M100+..4/5..3.5/5 Aug 2017 499i
 
Canon SX730+..4/5..4/5 Apr 2017 399i
 
Canon G7 X Mark II+ +81/1004.5/54/54.5/5 Feb 2016 699i
 
Canon SX620........4/5 May 2016 279 i
 
Canon SX720+..4/5..4.5/5 Feb 2016 379i
 
Canon G5 X+ +78/1004.5/54/54.5/5 Oct 2015 799i
 
Canon SX410o........ Feb 2015 279i
 
Canon SX610....4/5..4/5 Jan 2015 249i
 
Canon SX710+..4/5..3.5/5 Jan 2015 349i
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.

Canon SX420:
Check Amazon price
Canon SX70:
Check Amazon price

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.

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    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 Specifications
    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 Technology CCD BSI-CMOS
    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
    Crop Factor 5.6x 5.6x
    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 Magnification
    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 Aidno Peaking FeatureFocus Peaking
    Max Shutter Speed (mechanical) 1/4000s 1/2000s
    Continuous Shooting 0.5 shutter flaps/s 10 shutter flaps/s
    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 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 Type NB-11LH LP-E12
    Battery Life (CIPA)195 shots per charge325 shots per charge
    Body Dimensions 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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