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Canon SX20 vs Nikon Z6 III

The Canon PowerShot SX20 IS and the Nikon Z6 III are two digital cameras that were announced, respectively, in August 2009 and June 2024. The SX20 is a fixed lens compact, while the Z6 III is a mirrorless interchangeable lens camera. The cameras are based on a 1/2.3-inch (SX20) and a full frame (Z6 III) sensor. The Canon has a resolution of 12 megapixels, whereas the Nikon provides 24.3 MP.

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

Headline Specifications
Canon SX20
versus
Nikon Z6 III
Canon SX20   Nikon Z6 III
Fixed lens compact camera Mirrorless system camera
28-560mm f/2.8-5.7 Nikon Z mount lenses
12 MP – 1/2.3" sensor 24.3 MP – Full Frame sensor
720/30p Video 6K/60p Video
ISO 100-3,200 ISO 100-64,000 (50 - 204,800)
Electronic viewfinder (202k dots) Electronic viewfinder (5760k dots)
2.5" LCD – 230k dots 3.2" LCD – 2100k dots
Swivel screen (not touch-sensitive) Swivel touchscreen
0.7 shutter flaps per second 14 shutter flaps per second
Lens-based stabilizationIn-body stabilization
not weather sealedWeathersealed body
123 x 88 x 87 mm, 600 g 139 x 102 x 74 mm, 670 g
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Check SX20 offers at
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Check Z6 III price at
amazon.com

Going beyond this snapshot of core features and characteristics, what are the differences between the Canon PowerShot SX20 IS and the Nikon Z6 III? 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 SX20 and the Nikon Z6 III 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.

Size Canon SX20 vs Nikon Z6 III
Compare SX20 versus Z6 III top
Comparison SX20 or Z6 III rear

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Nikon Z6 III is notably larger (31 percent) than the Canon SX20. It is noteworthy in this context that the Z6 III is splash and dust-proof, while the SX20 does not feature any corresponding weather-sealing.

The above size and weight comparisons are to some extent incomplete and possibly misleading, as the SX20 has a lens built in, whereas the Z6 III is an interchangeable lens camera that requires a separate lens. Attaching the latter will add extra weight and bulk to the setup.

The power pack in the Z6 III can be charged via the USB port, which can be very convenient when travelling.

The adjacent table lists the principal physical characteristics of the two cameras alongside a wider set of alternatives. 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
  empty Camera
Model
Camera
Width
Camera
Height
Camera
Depth
Camera
Weight
Battery
Life
Weather
Sealing
Camera
Launch
Launch
Price
Street
Price
1.
 
Canon SX20 123 mm 88 mm 87 mm 600 g .. n Aug 2009 EUR 379ebay.com
2.
 
Nikon Z6 III 139 mm 102 mm 74 mm 670 g 380 Y Jun 2024 EUR 2 999 amazon.com
3.
 
Canon 1000D 126 mm 98 mm 65 mm 502 g 500 n Jun 2008 EUR 399ebay.com
4.
 
Canon 1100D 130 mm 100 mm 78 mm 495 g 700 n Feb 2011 EUR 399ebay.com
5.
 
Canon G1 X 117 mm 81 mm 65 mm 534 g 250 n Jan 2012 EUR 749ebay.com
6.
 
Canon G1 X Mark II 116 mm 74 mm 66 mm 553 g 240 n Feb 2014 EUR 849ebay.com
7.
 
Canon SX1 128 mm 88 mm 88 mm 615 g .. n Sep 2008 EUR 579ebay.com
8.
 
Canon SX10 123 mm 88 mm 87 mm 600 g .. n Sep 2008 EUR 379ebay.com
9.
 
Canon SX30 123 mm 92 mm 108 mm 601 g 370 n Sep 2010 EUR 469ebay.com
10.
 
Canon SX40 123 mm 92 mm 108 mm 600 g 380 n Sep 2011 EUR 469ebay.com
11.
 
Canon SX50 123 mm 87 mm 106 mm 595 g 315 n Sep 2012 EUR 529ebay.com
12.
 
Canon SX60 128 mm 93 mm 114 mm 650 g 340 n Sep 2014 EUR 529ebay.com
13.
 
Nikon Z5 134 mm 101 mm 67 mm 675 g 470 Y Jul 2020 EUR 1 549ebay.com
14.
 
Nikon Z5 II 134 mm 101 mm 72 mm 700 g 330 Y Apr 2025 EUR 1 899 amazon.com
15.
 
Nikon Z6 134 mm 101 mm 67 mm 675 g 310 Y Aug 2018 EUR 2 449ebay.com
16.
 
Nikon Z6 II 134 mm 101 mm 70 mm 705 g 410 Y Oct 2020 EUR 2 199 amazon.com
17.
 
Nikon Zf 144 mm 103 mm 49 mm 710 g 380 Y Sep 2023 EUR 2 499 amazon.com
Note: Measurements and pricing do not include easily detachable parts, such as add-on or interchangeable lenses or optional viewfinders.

Any camera decision will naturally be influenced heavily by the price. The listed launch prices provide an indication of the market segment that the manufacturer of the cameras have been targeting. The SX20 was launched at a lower price than the Z6 III, 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. Then, after the new model is out, very good deals can frequently be found on the pre-owned market.

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. 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 tend to be more expensive and lead to bigger and heavier cameras and lenses.

Of the two cameras under consideration, the Canon SX20 features a 1/2.3-inch sensor and the Nikon Z6 III a full frame sensor. The sensor area in the Z6 III is 2964 percent bigger. As a result of these sensor size differences, the cameras have a format factor of, respectively, 5.6 and 1.0. The sensor in the SX20 has a native 4:3 aspect ratio, while the one in the Z6 III offers a 3:2 aspect.

Canon SX20 and Nikon Z6 III sensor measures

With 24.3MP, the Z6 III offers a higher resolution than the SX20 (12MP), but the Z6 III nevertheless has larger individual pixels (pixel pitch of 5.94μm versus 1.53μm for the SX20) due to its larger sensor. Moreover, the Z6 III is a much more recent model (by 14 years and 10 months) than the SX20, and its sensor will have benefitted from technological advances during this time that further enhance the light gathering capacity of its pixel-units. Coming back to sensor resolution, it should be mentioned that the SX20 has no anti-alias filter installed, so that it can capture all the detail its sensor resolves.

The resolution advantage of the Nikon Z6 III implies greater flexibility for cropping images or the possibility to print larger pictures. The maximum print size of the Z6 III for good quality output (200 dots per inch) amounts to 30.2 x 20.1 inches or 76.8 x 51.1 cm, for very good quality (250 dpi) 24.2 x 16.1 inches or 61.4 x 40.9 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 SX20 are 20 x 15 inches or 50.8 x 38.1 cm for good quality, 16 x 12 inches or 40.6 x 30.5 cm for very good quality, and 13.3 x 10 inches or 33.9 x 25.4 cm for excellent quality prints.

The Z6 III has on-sensor phase detect pixels, which results in fast and reliable autofocus acquisition even during live view operation.

Unlike the SX20, the Z6 III has the capacity to capture high quality composite images (96MP) by combining multiple shots after shifting its sensor by miniscule distances. This multi-shot, pixel-shift mode is most suitable for photography of stationary objects (landscapes, studio scenes).

The Canon PowerShot SX20 IS has a native sensitivity range from ISO 100 to ISO 3200. The corresponding ISO settings for the Nikon Z6 III are ISO 100 to ISO 64000, with the possibility to increase the ISO range to 50-204800.

In terms of underlying technology, the SX20 is build around a CCD sensor, while the Z6 III uses a BSI-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.

SX20 versus Z6 III 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
  empty Camera
Model
Sensor
Class
Resolution
(MP)
Horiz.
Pixels
Vert.
Pixels
Video
Format
DXO
Portrait
DXO
Landscape
DXO
Sports
DXO
Overall
1.
 
Canon SX20 1/2.3 12.0 4000 3000720/30p19.210.522537
2.
 
Nikon Z6 III Full Frame 24.3 6048 40246K/60p25.414.8331897
3.
 
Canon 1000D APS-C 10.1 3888 2592none22.010.971962
4.
 
Canon 1100D APS-C 12.2 4272 2848720/30p21.911.075562
5.
 
Canon G1 X 1.5-inch 14.2 4352 32641080/24p21.710.864460
6.
 
Canon G1 X Mark II 1.5-inch 13.0 4160 31201080/30p21.510.858158
7.
 
Canon SX1 1/2.3 10.0 3648 27361080/30p19.010.314435
8.
 
Canon SX10 1/2.3 10.0 3648 2736480/30p19.010.314435
9.
 
Canon SX30 1/2.3 14.0 4320 3240720/30p19.410.732039
10.
 
Canon SX40 1/2.3 12.0 4000 30001080/24p19.610.940941
11.
 
Canon SX50 1/2.3 12.0 4000 30001080/24p20.311.217947
12.
 
Canon SX60 1/2.3 14.2 4608 30721080/60p19.210.812739
13.
 
Nikon Z5 Full Frame 24.2 6016 40164K/30p25.314.3292995
14.
 
Nikon Z5 II Full Frame 24.4 6048 40324K/60p25.414.8339897
15.
 
Nikon Z6 Full Frame 24.3 6048 40244K/30p25.314.3329995
16.
 
Nikon Z6 II Full Frame 24.3 6048 40244K/60p25.014.4330394
17.
 
Nikon Zf Full Frame 24.3 6048 40244K/60p25.414.7324396
Note: DXO values in italics represent estimates based on sensor size and age.

Many modern cameras are not only capable of taking still images, but can also record movies. Both cameras under consideration have a sensor with sufficiently fast read-out times for moving pictures, but the Z6 III provides a better video resolution than the SX20. It can shoot movie footage at 6K/60p, while the Canon is limited to 720/30p.

Feature comparison

Beyond body and sensor, cameras can and do differ across a range of features. The two cameras under review are similar with respect to both having an electronic viewfinder. However, the one in the Z6 III offers a substantially higher resolution than the one in the SX20 (5760k vs 202k dots). The table below summarizes some of the other core capabilities of the Canon SX20 and Nikon Z6 III in connection with corresponding information for a sample of similar cameras.

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Core Features
  empty 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 SX20202 n2.5 / 230 swivel n 1/3200s 0.7/s Y Y
2.
 
Nikon Z6 III5760 Y3.2 / 2100 swivel Y 1/8000s 14.0/s n Y
3.
 
Canon 1000Doptical n2.5 / 230 fixed n 1/4000s 3.0/s Y n
4.
 
Canon 1100Doptical n2.7 / 230 fixed n 1/4000s 3.0/s Y n
5.
 
Canon G1 Xoptical n3.0 / 922 swivel n 1/4000s 1.9/s Y Y
6.
 
Canon G1 X Mark IIoptional n3.0 / 1040 tilting Y 1/4000s 5.2/s Y Y
7.
 
Canon SX1202 n2.8 / 230 swivel n 1/3200s 4.0/s Y Y
8.
 
Canon SX10202 n2.5 / 230 swivel n 1/3200s 0.7/s Y Y
9.
 
Canon SX30202 n2.7 / 230 swivel n 1/3200s 0.6/s Y Y
10.
 
Canon SX40202 n2.7 / 230 swivel n 1/3200s 10.3/s Y Y
11.
 
Canon SX50202 n3.0 / 461 swivel n 1/2000s 2.2/s Y Y
12.
 
Canon SX60922 n3.0 / 922 swivel n 1/2000s 6.4/s Y Y
13.
 
Nikon Z53690 n3.2 / 1040 tilting Y 1/8000s 4.5/s n Y
14.
 
Nikon Z5 II3690 n3.2 / 2100 swivel Y 1/8000s 14.0/s n Y
15.
 
Nikon Z63690 Y3.2 / 2100 tilting Y 1/8000s 12.0/s n Y
16.
 
Nikon Z6 II3690 Y3.2 / 2100 tilting Y 1/8000s 14.0/s n Y
17.
 
Nikon Zf3690 n3.2 / 2100 swivel Y 1/8000s 14.0/s n Y
Note: *) Information refers to the mechanical shutter, unless the camera only has an electronic one.

One difference between the cameras concerns the presence of an on-board flash. The SX20 has one, while the Z6 III does not. While the built-in flash of the SX20 is not very powerful, it can at times be useful as a fill-in light.

The Z6 III 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 SX20 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 Z6 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 Nikon Z6 III 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.

The SX20 writes its imaging data to SDHC cards, while the Z6 III uses CFexpress (type B) or SDXC cards. The Z6 III features dual card slots, which can be very useful in case a memory card fails. In contrast, the SX20 only has one slot. The Z6 III supports UHS-II cards (Ultra High Speed data transfer of up to 312 MB/s), while the SX20 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 SX20 IS and Nikon Z6 III and, in particular, the interfaces the cameras (and selected comparators) provide for accessory control and data transfer.

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Input-Output Connections
  empty Camera
Model
Hotshoe
Port
Internal
Mic / Speaker
Microphone
Port
Headphone
Port
HDMI
Port
USB
Port
WiFi
Support
NFC
Support
Bluetooth
Support
1.
 
Canon SX20Ystereo / mono--YES2.0---
2.
 
Nikon Z6 IIIYstereo / monoYYmicro3.2Y-Y
3.
 
Canon 1000DY- / ----2.0---
4.
 
Canon 1100DYstereo / mono--mini2.0---
5.
 
Canon G1 XYstereo / mono--mini2.0---
6.
 
Canon G1 X Mark IIYstereo / mono--mini2.0YY-
7.
 
Canon SX1Ystereo / mono--YES2.0---
8.
 
Canon SX10Ystereo / mono---2.0---
9.
 
Canon SX30Ystereo / mono--YES2.0---
10.
 
Canon SX40Ystereo / mono--YES2.0---
11.
 
Canon SX50Ystereo / mono--mini2.0---
12.
 
Canon SX60Ystereo / monoY-mini2.0YY-
13.
 
Nikon Z5Ystereo / monoYYmicro3.2Y-Y
14.
 
Nikon Z5 IIYstereo / monoYYmicro3.2Y-Y
15.
 
Nikon Z6Ystereo / monoYYmicro3.1Y-Y
16.
 
Nikon Z6 IIYstereo / monoYYmicro3.2Y-Y
17.
 
Nikon ZfYstereo / monoYYmicro3.2Y-Y

It is notable that the Z6 III offers wifi support, which can be a very convenient means to transfer image data to an off-camera location. In contrast, the SX20 does not provide wifi capability.

The Z6 III is a recent model that features in the current product line-up of Nikon. In contrast, the SX20 has been discontinued (but can be found pre-owned on ebay). As a replacement in the same line of cameras, the SX20 was succeeded by the Canon SX30. Further information on the two cameras (e.g. user guides, manuals), as well as related accessories, can be found on the official Canon and Nikon websites.

Review summary

So what conclusions can be drawn? Which of the two cameras – the Canon SX20 or the Nikon Z6 III – has the upper hand? Is one clearly better than the other? A synthesis of the relative strong points of each of the models is listed below.

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Advantages of the Canon PowerShot SX20 IS:

  • Maximized detail: Lacks an anti-alias filter to exploit the sensor's full resolution potential.
  • Ready to shoot: Has a lens built-in, whereas the Z6 III requires a separate lens.
  • More compact: Is smaller (123x88mm vs 139x102mm) and thus needs less room in the bag.
  • Less heavy: Is lighter even though it comes with a built-in lens (unlike the Z6 III).
  • Easier fill-in: Is equipped with a small onboard flash to brighten deep shadow areas.
  • More affordable: Was introduced at a lower price, despite coming with a built-in lens.
  • More heavily discounted: Has been available for much longer (launched in August 2009).

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Reasons to prefer the Nikon Z6 III:

  • More detail: Has more megapixels (24.3 vs 12MP), which boosts linear resolution by 45%.
  • Better moiré control: Has an anti-alias filter to avoid artificial patterns to appear in images.
  • High quality composites: Can combine several shots after pixel-shifting its sensor.
  • Better image quality: Is equipped with a larger and more technologically advanced sensor.
  • Richer colors: The sensor size advantage translates into images with better, more accurate colors.
  • More dynamic range: Larger sensor captures a wider spectrum of light and dark details.
  • Better low-light sensitivity: Larger sensor produces good images even in poorly lit environments.
  • Better video: Provides higher definition movie capture (6K/60p vs 720/30p).
  • Better live-view autofocus: Features on-sensor phase-detection for more confident autofocus.
  • Better sound: Can connect to an external microphone for higher quality sound recording.
  • Better sound control: Has a headphone port that enables audio monitoring while recording.
  • More detailed viewfinder: Has higher resolution electronic viewfinder (5760k vs 202k dots).
  • Easier setting verification: Features a control panel on top to check shooting parameters.
  • Larger screen: Has a bigger rear LCD (3.2" vs 2.5") for image review and settings control.
  • More detailed LCD: Has a higher resolution rear screen (2100k vs 230k dots).
  • Fewer buttons to press: Has a touchscreen to facilitate handling and shooting adjustments.
  • More selfie-friendly: Has an articulated screen that can be turned to be front-facing.
  • Faster shutter: Has higher mechanical shutter speed (1/8000s vs 1/3200s) to freeze action.
  • Faster burst: Shoots at higher frequency (14 vs 0.7 flaps/sec) to capture the decisive moment.
  • Less disturbing: Has an electronic shutter option for completely silent shooting.
  • Easier time-lapse photography: Has an intervalometer built-in for low frequency shooting.
  • More flexible: Takes interchangeable lenses and can thus be used with specialty optics.
  • Easier travel charging: Can be conveniently charged via its USB port.
  • Better sealing: Is splash and dust sealed for shooting in inclement weather conditions.
  • Faster data transfer: Supports a more advanced USB protocol (3.2 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.
  • Greater peace of mind: Features a second card slot as a backup in case of memory card failure.
  • Faster buffer clearing: Has an SD card interface that supports the UHS-II standard.
  • More modern: Reflects 14 years and 10 months of technical progress since the SX20 launch.

If the number of relative strengths (bullet points above) is taken as a guide, the Z6 III is the clear winner of the contest (30 : 7 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.

SX20 07:30 Z6 III

How about other alternatives? Do the specifications of the Canon SX20 and the Nikon Z6 III place the cameras among the top in their class? Find out in the latest Best Superzoom Camera and Best Mirrorless Interchangeable Lens 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 says little about, for example, the shooting experience and imaging performance of the SX20 and the Z6 III in practical situations. User reviews that are available, for instance, at amazon can sometimes shed light on these issues, but such feedback is all too often partial, inconsistent, and inaccurate.

Expert reviews

This is why expert reviews are important. The adjacent summary-table relays the overall verdicts of several of the most popular 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
  empty  Camera 
 Model 
 AP 
 score 
 CL 
 score 
 DCW 
 score 
 DPR 
 score 
 EPZ 
 score 
 PB 
 score 
Camera
Launch
Launch
Price
Street
Price
1.
 
Canon SX20..+ +..73/100..4/5 Aug 2009 EUR 379ebay.com
2.
 
Nikon Z6 III............ Jun 2024 EUR 2 999 amazon.com
3.
 
Canon 1000D..82/100..+ +3.5/54.5/5 Jun 2008 EUR 399ebay.com
4.
 
Canon 1100D..80/100..69/1004/54.5/5 Feb 2011 EUR 399ebay.com
5.
 
Canon G1 X5/5+..76/1004/54.5/5 Jan 2012 EUR 749ebay.com
6.
 
Canon G1 X Mark II3/5+..77/1004/54.5/5 Feb 2014 EUR 849ebay.com
7.
 
Canon SX1..+ +..+..3.5/5 Sep 2008 EUR 579ebay.com
8.
 
Canon SX10..+ +......4/5 Sep 2008 EUR 379ebay.com
9.
 
Canon SX303/5+ +....3.5/54/5 Sep 2010 EUR 469ebay.com
10.
 
Canon SX40..+....4.5/54/5 Sep 2011 EUR 469ebay.com
11.
 
Canon SX503/5+ +..72/1004.5/54.5/5 Sep 2012 EUR 529ebay.com
12.
 
Canon SX603/5+ +..75/1004/54.5/5 Sep 2014 EUR 529ebay.com
13.
 
Nikon Z54/5..4/589/1004.5/54/5 Jul 2020 EUR 1 549ebay.com
14.
 
Nikon Z5 II............ Apr 2025 EUR 1 899 amazon.com
15.
 
Nikon Z65/5..5/589/1004.5/55/5 Aug 2018 EUR 2 449ebay.com
16.
 
Nikon Z6 II4.5/5..4/589/1004.5/54.5/5 Oct 2020 EUR 2 199 amazon.com
17.
 
Nikon Zf4.5/5..4.5/590/1004.5/55/5 Sep 2023 EUR 2 499 amazon.com
Note: (+ +) highly recommended; (+) recommended; (o) reviewed; (..) not available.

Care should be taken when interpreting the review scores above, though. The ratings were established in reference to similarly priced cameras that were available in the market at the time of the review. Thus, a score needs to be put into the context of the launch date and the launch price of the camera, and comparisons of ratings among very different cameras or across long time periods have little meaning. 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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Check SX20 offers at
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Check Z6 III price at
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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 SX20 vs Nikon Z6 III

    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 SX20 Nikon Z6 III
    Camera Type Fixed lens compact camera Mirrorless system camera
    Camera Lens 28-560mm f/2.8-5.7 Nikon Z mount lenses
    Launch Date August 2009 June 2024
    Launch Price USD 399 USD 2,499
    Sensor Specs Canon SX20 Nikon Z6 III
    Sensor Technology CCD BSI-CMOS
    Sensor Format 1/2.3" Sensor Full Frame Sensor
    Sensor Size 6.17 x 4.55 mm 35.9 x 23.9 mm
    Sensor Area 28.0735 mm2 858.01 mm2
    Sensor Diagonal 7.7 mm 43.1 mm
    Crop Factor 5.6x 1.0x
    Sensor Resolution 12 Megapixels 24.3 Megapixels
    Image Resolution 4000 x 3000 pixels 6048 x 4024 pixels
    Pixel Pitch 1.53 μm 5.94 μm
    Pixel Density 42.74 MP/cm2 2.84 MP/cm2
    Moiré control no AA filter Anti-Alias filter
    Movie Capability 720/30p Video 6K/60p Video
    ISO Setting 100 - 3,200 ISO 100 - 64,000 ISO
    ISO Boost no Enhancement 50 - 204,800 ISO
    Image Processor DIGIC 4 EXPEED 7
    Screen Specs Canon SX20 Nikon Z6 III
    Viewfinder Type Electronic viewfinder Electronic viewfinder
    Viewfinder Field of View 100% 100%
    Viewfinder Magnification 0.80x
    Viewfinder Resolution 202k dots 5760k dots
    Top-Level Screen no Top Display Control Panel
    LCD Framing Live View Live View
    Rear LCD Size 2.5inch 3.2inch
    LCD Resolution 230k dots 2100k dots
    LCD Attachment Swivel screen Swivel screen
    Touch Input no Touchscreen Touchscreen
    Shooting Specs Canon SX20 Nikon Z6 III
    Focus System Contrast-detect AF On-Sensor Phase-detect
    Manual Focusing Aidno Peaking FeatureFocus Peaking
    Max Shutter Speed (mechanical) 1/3200s 1/8000s
    Continuous Shooting 0.7 shutter flaps/s 14 shutter flaps/s
    Electronic Shutterno E-Shutterup to 1/16000s
    Time-Lapse Photographyno IntervalometerIntervalometer built-in
    Image StabilizationLens-based stabilizationIn-body stabilization
    Fill Flash Built-in Flash no On-Board Flash
    Storage Medium SDHC cards CFexB or SDXC cards
    Single or Dual Card Slots Single card slot Dual card slots
    UHS card support no UHS-II
    Connectivity Specs Canon SX20 Nikon Z6 III
    External Flash Hotshoe Hotshoe
    USB Connector USB 2.0 USB 3.2
    HDMI Port YES HDMI micro HDMI
    Microphone Port no MIC socket External MIC port
    Headphone Socket no Headphone port Headphone port
    Wifi Support no Wifi Wifi built-in
    Bluetooth Support no Bluetooth Bluetooth built-in
    Body Specs Canon SX20 Nikon Z6 III
    Environmental Sealingnot weather sealedWeathersealed body
    Battery Type Canon 4xAA Nikon EN-EL15c
    In-Camera Charging no USB charging USB charging
    Body Dimensions 123 x 88 x 87 mm
    (4.8 x 3.5 x 3.4 in)
    139 x 102 x 74 mm
    (5.5 x 4.0 x 2.9 in)
    Camera Weight 600 g (21.2 oz) 670 g (23.6 oz)
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