Canon SX720 vs Nikon L840

The Canon PowerShot SX720 HS and the Nikon Coolpix L840 are two digital cameras that were officially introduced, respectively, in February 2016 and February 2015. Both the SX720 and the L840 are fixed lens compact cameras that are equipped with a 1/2.3-inch sensor. The Canon has a resolution of 20.2 megapixels, whereas the Nikon provides 15.9 MP.

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

Headline Specifications

Canon SX720		Nikon L840
Fixed lens compact camera		Fixed lens compact camera
24-960mm f/3.3-6.9		22.5-855mm f/3.0-6.5
20.2 MP – 1/2.3" sensor		15.9 MP – 1/2.3" sensor
1080/60p Video		1080/60i Video
ISO 80-3,200		ISO 100-6,400
No viewfinder, LCD framing		No viewfinder, LCD framing
3.0" LCD – 922k dots		3.0" LCD – 921k dots
Fixed screen (not touch-sensitive)		Tilting screen (no touchscreen)
5.9 shutter flaps per second		7.4 shutter flaps per second
250 shots per battery charge		590 shots per battery charge
110 x 64 x 36 mm, 270 g		113 x 78 x 96 mm, 538 g

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Going beyond this snapshot of core features and characteristics, what are the differences between the Canon PowerShot SX720 HS and the Nikon Coolpix L840? 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 physical size and weight of the Canon SX720 and the Nikon L840 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 width, height and depth measures are rounded to the nearest millimeter.

Both cameras are available in two different colors (black, red).

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Nikon L840 is notably larger (25 percent) than the Canon SX720. Moreover, the L840 is substantially heavier (99 percent) than the SX720. In this context, it is worth noting that neither the SX720 nor the L840 are weather-sealed.

The table below summarizes the key physical specs of the two cameras alongside a broader set of comparators. 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.

Body Specifications

		Camera Model	Camera Width	Camera Height	Camera Depth	Camera Weight	Battery Life	Weather Sealing	Camera Launch	Launch Price (USD)	Street Price
1.		Canon SX720	110 mm	64 mm	36 mm	270 g	250	n	Feb 2016	379	ebay.com
2.		Nikon L840	113 mm	78 mm	96 mm	538 g	590	n	Feb 2015	299	ebay.com
3.		Canon SX60	128 mm	93 mm	114 mm	650 g	340	n	Sep 2014	549	ebay.com
4.		Canon SX410	104 mm	69 mm	85 mm	325 g	185	n	Feb 2015	279	ebay.com
5.		Canon SX420	104 mm	69 mm	85 mm	325 g	195	n	Jan 2016	299	ebay.com
6.		Canon SX430	104 mm	69 mm	85 mm	323 g	195	n	Jan 2017	299	ebay.com
7.		Canon SX530	120 mm	82 mm	92 mm	442 g	210	n	Jan 2015	429	ebay.com
8.		Canon SX540	120 mm	82 mm	92 mm	442 g	205	n	Jan 2016	399	ebay.com
9.		Canon SX710	113 mm	66 mm	35 mm	269 g	230	n	Jan 2015	349	ebay.com
10.		Canon SX730	110 mm	64 mm	40 mm	300 g	250	n	Apr 2017	399	ebay.com
11.		Canon SX740	110 mm	64 mm	40 mm	299 g	265	n	Jul 2018	399	amazon.com
12.		Nikon B500	114 mm	78 mm	95 mm	541 g	600	n	Jan 2016	299	ebay.com
13.		Nikon B600	122 mm	82 mm	99 mm	500 g	280	n	Jan 2019	349	ebay.com
14.		Nikon P900	140 mm	103 mm	137 mm	899 g	360	n	Mar 2015	599	ebay.com
15.		Panasonic ZS70	112 mm	67 mm	41 mm	322 g	380	n	Apr 2017	449	ebay.com
16.		Sony HX80	102 mm	58 mm	36 mm	245 g	390	n	Mar 2016	349	ebay.com
17.		Sony HX90V	102 mm	58 mm	36 mm	245 g	360	n	Apr 2015	429	ebay.com
Note: Measurements and pricing do not include easily detachable parts, such as add-on or interchangeable lenses or optional viewfinders.
Convert to Imperial

The price is, of course, an important factor in any camera decision. 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 L840 was launched at a somewhat lower price (by 21 percent) than the SX720, which makes it more attractive for photographers on a tight budget. 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.

Sensor comparison

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. Moreover, a large sensor camera will give the photographer more control over depth-of-field in the image and, thus, the ability to better 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.

While the two cameras under review share the same sensor size, the SX720 offers a higher resolution of 20.2 megapixels, compared with 15.9 MP of the L840. This megapixels advantage translates into a 13 percent gain in linear resolution. On the other hand, these sensor specs imply that the SX720 has a higher pixel density and a smaller size of the individual pixel (with a pixel pitch of 1.18μm versus 1.33μm for the L840). In this context, it should be noted, however, that the SX720 is a somewhat more recent model (by 1 year) than the L840, and its sensor might have benefitted from technological advances during this time that at least partly 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 resolution advantage of the Canon SX720 implies greater flexibility for cropping images or the possibility to print larger pictures. The maximum print size of the SX720 for good quality output (200 dots per inch) amounts to 25.9 x 19.4 inches or 65.8 x 49.4 cm, for very good quality (250 dpi) 20.7 x 15.6 inches or 52.7 x 39.5 cm, and for excellent quality (300 dpi) 17.3 x 13 inches or 43.9 x 32.9 cm. The corresponding values for the Nikon L840 are 23 x 17.3 inches or 58.5 x 43.9 cm for good quality, 18.4 x 13.8 inches or 46.8 x 35.1 cm for very good quality, and 15.4 x 11.5 inches or 39 x 29.3 cm for excellent quality prints.

The Canon PowerShot SX720 HS has a native sensitivity range from ISO 80 to ISO 3200. The corresponding ISO settings for the Nikon Coolpix L840 are ISO 100 to ISO 6400 (no boost).

In terms of underlying technology, the SX720 is build around a BSI-CMOS sensor, while the L840 uses a 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.

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 table below summarizes the physical sensor characteristics and sensor quality findings and compares them across a set of similar cameras.

Sensor Characteristics

		Camera Model	Sensor Class	Resolution (MP)	Horiz. Pixels	Vert. Pixels	Video Format	DXO Portrait	DXO Landscape	DXO Sports	DXO Overall
1.		Canon SX720	1/2.3	20.2	5184	3888	1080/60p	20.3	11.8	817	48
2.		Nikon L840	1/2.3	15.9	4608	3456	1080/60i	20.2	11.6	721	47
3.		Canon SX60	1/2.3	14.2	4608	3072	1080/60p	19.2	10.8	127	39
4.		Canon SX410	1/2.3	19.9	5152	3864	720/30p	20.2	11.6	720	47
5.		Canon SX420	1/2.3	19.9	5152	3864	720/25p	20.3	11.7	806	48
6.		Canon SX430	1/2.3	19.9	5152	3864	720/25p	20.5	11.9	900	49
7.		Canon SX530	1/2.3	15.9	4608	3456	1080/30p	20.2	11.6	712	47
8.		Canon SX540	1/2.3	20.2	5184	3888	1080/60p	20.3	11.7	806	48
9.		Canon SX710	1/2.3	20.2	5184	3888	1080/60p	20.2	11.6	712	47
10.		Canon SX730	1/2.3	20.2	5184	3888	1080/60p	20.5	11.9	924	50
11.		Canon SX740	1/2.3	20.2	5184	3888	4K/30p	20.6	12.1	1050	51
12.		Nikon B500	1/2.3	15.9	4608	3456	1080/60i	20.3	11.7	810	48
13.		Nikon B600	1/2.3	15.9	4608	3456	1080/30p	20.7	12.2	1095	52
14.		Nikon P900	1/2.3	15.9	4608	3456	1080/60p	20.2	11.6	727	47
15.		Panasonic ZS70	1/2.3	20.2	5184	3888	4K/30p	19.1	10.6	106	36
16.		Sony HX80	1/2.3	18.0	4896	3672	1080/60p	20.4	11.8	822	48
17.		Sony HX90V	1/2.3	18.0	4896	3672	1080/60p	20.2	11.6	738	47
Note: DXO values in italics represent estimates based on sensor size and age.

Many modern cameras cannot only take still pictures, but also record videos. Both cameras under consideration have a sensor with sufficiently fast read-out times for moving pictures, but the SX720 provides a higher frame rate than the L840. It can shoot video footage at 1080/60p, while the Nikon is limited to 1080/60i.

Feature comparison

Apart from body and sensor, cameras can and do differ across a variety of features. The SX720 and the L840 are similar in the sense that neither of the two has a viewfinder. The images are, thus, framed using live view on the rear LCD. The following table reports on some other key feature differences and similarities of the Canon SX720, the Nikon L840, and comparable cameras.

Core Features

		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 SX720	none	n	3.0 / 922	fixed	n	1/3200s	5.9/s	Y	Y
2.		Nikon L840	none	n	3.0 / 921	tilting	n	1/4000s	7.4/s	Y	Y
3.		Canon SX60	922	n	3.0 / 922	swivel	n	1/2000s	6.4/s	Y	Y
4.		Canon SX410	none	n	3.0 / 230	fixed	n	1/4000s	0.5/s	Y	Y
5.		Canon SX420	none	n	3.0 / 230	fixed	n	1/4000s	0.5/s	Y	Y
6.		Canon SX430	none	n	3.0 / 230	fixed	n	1/4000s	0.5/s	Y	Y
7.		Canon SX530	none	n	3.0 / 461	fixed	n	1/2000s	1.6/s	Y	Y
8.		Canon SX540	none	n	3.0 / 461	fixed	n	1/2000s	5.9/s	Y	Y
9.		Canon SX710	none	n	3.0 / 922	fixed	n	1/3200s	6.0/s	Y	Y
10.		Canon SX730	none	n	3.0 / 922	tilting	n	1/3200s	5.9/s	Y	Y
11.		Canon SX740	none	n	3.0 / 922	tilting	n	1/3200s	10.0/s	Y	Y
12.		Nikon B500	none	n	3.0 / 921	tilting	n	1/4000s	7.4/s	Y	Y
13.		Nikon B600	none	n	3.0 / 921	fixed	n	1/4000s	7.4/s	Y	Y
14.		Nikon P900	921	n	3.0 / 921	swivel	n	1/4000s	7.0/s	Y	Y
15.		Panasonic ZS70	1166	n	3.0 / 1040	tilting	Y	1/2000s	10.0/s	Y	Y
16.		Sony HX80	638	n	3.0 / 922	tilting	n	1/2000s	10.0/s	Y	Y
17.		Sony HX90V	638	n	3.0 / 921	tilting	n	1/2000s	10.0/s	Y	Y
Note: *) Information refers to the mechanical shutter, unless the camera only has an electronic one.

Both the SX720 and the L840 have zoom lenses built in. The SX720 has a 24-960mm f/3.3-6.9 optic and the L840 offers a 22.5-855mm f/3.0-6.5 (focal lengths in full frame equivalent terms). Hence, the Nikon provides a wider angle of view at the short end than the Canon, but less tele-photo reach at the long end. The L840 offers the faster maximum aperture.

Concerning the storage of imaging data, both the SX720 and the L840 write their files to SDXC cards. The SX720 supports UHS-I cards (Ultra High Speed data transfer of up to 104 MB/s), while the L840 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 SX720 HS and Nikon Coolpix L840 and, in particular, the interfaces the cameras (and selected comparators) provide for accessory control and data transfer.

Input-Output Connections

		Camera Model	Hotshoe Port	Internal Mic / Speaker	Microphone Port	Headphone Port	HDMI Port	USB Port	WiFi Support	NFC Support	Bluetooth Support
1.		Canon SX720	-	stereo / mono	-	-	micro	2.0	Y	Y	-
2.		Nikon L840	-	stereo / mono	-	-	micro	2.0	Y	Y	-
3.		Canon SX60	Y	stereo / mono	Y	-	mini	2.0	Y	Y	-
4.		Canon SX410	-	stereo / mono	-	-	-	2.0	-	-	-
5.		Canon SX420	-	mono / mono	-	-	-	2.0	Y	Y	-
6.		Canon SX430	-	mono / mono	-	-	-	2.0	Y	Y	-
7.		Canon SX530	-	stereo / mono	-	-	mini	2.0	Y	Y	-
8.		Canon SX540	-	stereo / mono	-	-	mini	2.0	Y	Y	-
9.		Canon SX710	-	stereo / mono	-	-	micro	2.0	Y	Y	-
10.		Canon SX730	-	stereo / mono	-	-	micro	2.0	Y	Y	Y
11.		Canon SX740	-	stereo / mono	-	-	micro	2.0	Y	-	Y
12.		Nikon B500	-	stereo / mono	-	-	micro	2.0	Y	Y	Y
13.		Nikon B600	-	stereo / mono	-	-	micro	2.0	Y	-	Y
14.		Nikon P900	-	stereo / mono	-	-	micro	2.0	Y	Y	-
15.		Panasonic ZS70	-	stereo / mono	-	-	micro	2.0	Y	-	-
16.		Sony HX80	-	stereo / mono	-	-	micro	2.0	Y	Y	-
17.		Sony HX90V	-	stereo / mono	-	-	micro	2.0	Y	Y	-

Both the SX720 and the L840 have been discontinued, but can regularly be found used on ebay. The L840 was replaced by the Nikon B500, while the SX720 was followed by the Canon SX730. Further information on the features and operation of the SX720 and L840 can be found, respectively, in the Canon SX720 Manual (free pdf) or the online Nikon L840 Manual.

Review summary

So how do things add up? Which of the two cameras – the Canon SX720 or the Nikon L840 – has the upper hand? Is one clearly better than the other? The listing below highlights the relative strengths of the two models.

Reasons to prefer the Canon PowerShot SX720 HS:

• More detail: Offers more megapixels (20.2 vs 15.9MP) with a 13% higher linear resolution.
• Better video: Provides higher movie framerates (1080/60p versus 1080/60i).
• More tele-reach: Has a longer tele-lens for perspective compression and subject magnification.
• More compact: Is smaller (110x64mm vs 113x78mm) and thus needs less room in the bag.
• Less heavy: Is lighter (by 268g or 50 percent) and hence easier to carry around.
• Faster buffer clearing: Has an SD card interface that supports the UHS-I standard.
• More modern: Is somewhat more recent (announced 1 year after the L840).

Arguments in favor of the Nikon Coolpix L840:

• More flexible LCD: Has a tilting screen for odd-angle shots in landscape orientation.
• Faster shutter: Has higher mechanical shutter speed (1/4000s vs 1/3200s) to freeze action.
• Faster burst: Shoots at higher frequency (7.4 vs 5.9 flaps/sec) to capture the decisive moment.
• Better light gathering: Has a lens with a wider maximum aperture (f/3.0 vs f/3.3).
• Wider view: Has a wider-angle lens that facilitates landscape or interior shots.
• Longer lasting: Gets more shots (590 versus 250) out of a single battery charge.
• More affordable: Was released into a lower priced segment (21 percent cheaper at launch).
• More heavily discounted: Has been on the market for longer (launched in February 2015).

If the count of relative strengths (bullet points above) is taken as a measure, the L840 comes out slightly ahead of the SX720 (8 : 7 points). However, the relevance of individual strengths will vary across photographers, so that you might want to apply your own weighing scheme to the summary points when reflecting and deciding on a new camera. A professional wildlife photographer will view the differences between cameras in a way that diverges from the perspective of a family photog, and a person interested in architecture has distinct needs from a sports 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 SX720 and the Nikon L840 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 comparison of technical specifications can provide a useful overview of the capabilities of different cameras, it says little about, for example, the shooting experience and imaging performance of the SX720 and the L840 in practical situations. 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 (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.

Expert Camera Reviews

		Camera   Model	AP   score	CL   score	DCW   score	DPR   score	EPZ   score	PB   score	Camera Launch	Launch Price (USD)	Street Price
1.		Canon SX720	..	+	..	..	4/5	4.5/5	Feb 2016	379	ebay.com
2.		Nikon L840	..	+ +	..	..	3.5/5	4/5	Feb 2015	299	ebay.com
3.		Canon SX60	3/5	+ +	..	75/100	4/5	4.5/5	Sep 2014	549	ebay.com
4.		Canon SX410	..	o	..	..	..	..	Feb 2015	279	ebay.com
5.		Canon SX420	..	..	..	..	..	3/5	Jan 2016	299	ebay.com
6.		Canon SX430	..	..	..	..	3.5/5	3.5/5	Jan 2017	299	ebay.com
7.		Canon SX530	..	+ +	..	..	4/5	4/5	Jan 2015	429	ebay.com
8.		Canon SX540	..	..	..	..	..	..	Jan 2016	399	ebay.com
9.		Canon SX710	..	+	..	..	4/5	3.5/5	Jan 2015	349	ebay.com
10.		Canon SX730	..	+	..	..	4/5	4/5	Apr 2017	399	ebay.com
11.		Canon SX740	..	+	3.5/5	..	4/5	4/5	Jul 2018	399	amazon.com
12.		Nikon B500	..	+	..	..	4/5	3.5/5	Jan 2016	299	ebay.com
13.		Nikon B600	..	+	..	..	3.5/5	3/5	Jan 2019	349	ebay.com
14.		Nikon P900	..	..	..	77/100	4/5	4/5	Mar 2015	599	ebay.com
15.		Panasonic ZS70	..	+ +	..	..	4/5	4/5	Apr 2017	449	ebay.com
16.		Sony HX80	..	..	..	..	..	..	Mar 2016	349	ebay.com
17.		Sony HX90V	4/5	+ +	..	..	4/5	4.5/5	Apr 2015	429	ebay.com
Note: (+ +) highly recommended; (+) recommended; (o) reviewed; (..) not available.

The above review scores should be interpreted 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 comparisons of ratings among very different cameras or across long time periods have little meaning. Also, kindly note that some of the listed sites have over time developped their review approaches and their reporting style.

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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 make a corresponding selection in the search boxes below. As an alternative, you can also directly jump to any one of the listed comparisons that were previously generated by the CAM-parator tool.

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