Nikon L840 vs Sony RX100

The Nikon Coolpix L840 and the Sony Cyber-shot DSC-RX100 are two digital cameras that were announced, respectively, in February 2015 and June 2012. Both the L840 and the RX100 are fixed lens compact cameras that are based on a 1/2.3-inch (L840) and an one-inch (RX100) sensor. The Nikon has a resolution of 15.9 megapixels, whereas the Sony provides 20 MP.

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

Headline Specifications

Nikon L840		Sony RX100
Fixed lens compact camera		Fixed lens compact camera
22.5-855mm f/3.0-6.5		28-100mm f/1.8-4.9
15.9 MP – 1/2.3" sensor		20 MP – 1" sensor
1080/60i Video		1080/60p Video
ISO 100-6,400		ISO 100-6,400 (100 - 25,600)
No viewfinder, LCD framing		No viewfinder, LCD framing
3.0" LCD – 921k dots		3.0" LCD – 1229k dots
Tilting screen (no touchscreen)		Fixed screen (not touch-sensitive)
7.4 shutter flaps per second		10 shutter flaps per second
590 shots per battery charge		330 shots per battery charge
113 x 78 x 96 mm, 538 g		102 x 58 x 36 mm, 240 g

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Going beyond this snapshot of core features and characteristics, what are the differences between the Nikon Coolpix L840 and the Sony Cyber-shot DSC-RX100? 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 Nikon L840 and the Sony RX100 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.

The L840 can be obtained in two different colors (black, red), while the RX100 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 Sony RX100 is considerably smaller (33 percent) than the Nikon L840. Moreover, the RX100 is substantially lighter (55 percent) than the L840. In this context, it is worth noting that neither the L840 nor the RX100 are weather-sealed.

The power pack in the RX100 can be charged via the USB port, which can be very convenient when travelling.

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.		Nikon L840	113 mm	78 mm	96 mm	538 g	590	n	Feb 2015	299	ebay.com
2.		Sony RX100	102 mm	58 mm	36 mm	240 g	330	n	Jun 2012	649	ebay.com
3.		Canon G9 X Mark II	98 mm	58 mm	31 mm	206 g	235	n	Jan 2017	529	ebay.com
4.		Canon G9 X	98 mm	58 mm	31 mm	209 g	220	n	Oct 2015	529	ebay.com
5.		Canon SX530	120 mm	82 mm	92 mm	442 g	210	n	Jan 2015	429	ebay.com
6.		Canon SX520	120 mm	82 mm	92 mm	441 g	210	n	Jul 2014	399	ebay.com
7.		Canon SX60	128 mm	93 mm	114 mm	650 g	340	n	Sep 2014	549	ebay.com
8.		Nikon B600	122 mm	82 mm	99 mm	500 g	280	n	Jan 2019	349	ebay.com
9.		Nikon B700	125 mm	85 mm	107 mm	565 g	350	n	Feb 2016	499	ebay.com
10.		Nikon B500	114 mm	78 mm	95 mm	541 g	600	n	Jan 2016	299	ebay.com
11.		Nikon P900	140 mm	103 mm	137 mm	899 g	360	n	Mar 2015	599	ebay.com
12.		Sony HX80	102 mm	58 mm	36 mm	245 g	390	n	Mar 2016	349	ebay.com
13.		Sony RX100 III	102 mm	58 mm	41 mm	290 g	320	n	May 2014	799	ebay.com
14.		Sony H400	130 mm	95 mm	122 mm	628 g	300	n	Feb 2014	319	ebay.com
15.		Sony RX10	129 mm	88 mm	102 mm	813 g	420	Y	Oct 2013	1,299	ebay.com
16.		Sony RX100 II	102 mm	58 mm	38 mm	281 g	350	n	Jun 2013	749	ebay.com
17.		Sony H200	123 mm	83 mm	87 mm	530 g	240	n	Jan 2013	249	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

Any camera decision will obviously take relative prices into account. 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 markedly lower price (by 54 percent) than the RX100, which puts it into a different market segment. 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. 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 are more costly to manufacture and tend to lead to bigger and heavier cameras and lenses.

Of the two cameras under consideration, the Nikon L840 features a 1/2.3-inch sensor and the Sony RX100 an one-inch sensor. The sensor area in the RX100 is 314 percent bigger. As a result of these sensor size differences, the cameras have a format factor of, respectively, 5.6 and 2.7. The sensor in the L840 has a native 4:3 aspect ratio, while the one in the RX100 offers a 3:2 aspect.

With 20MP, the RX100 offers a higher resolution than the L840 (15.9MP), but the RX100 nevertheless has larger individual pixels (pixel pitch of 2.41μm versus 1.33μm for the L840) due to its larger sensor. However, the L840 is a much more recent model (by 2 years and 8 months) than the RX100, and its sensor will have benefitted from technological advances during this time that enhance the light gathering capacity of its pixel-units. Coming back to sensor resolution, it should be mentioned that the L840 has no anti-alias filter installed, so that it can capture all the detail its sensor resolves.

The resolution advantage of the Sony RX100 implies greater flexibility for cropping images or the possibility to print larger pictures. The maximum print size of the RX100 for good quality output (200 dots per inch) amounts to 27.4 x 18.2 inches or 69.5 x 46.3 cm, for very good quality (250 dpi) 21.9 x 14.6 inches or 55.6 x 37.1 cm, and for excellent quality (300 dpi) 18.2 x 12.2 inches or 46.3 x 30.9 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 Nikon Coolpix L840 has a native sensitivity range from ISO 100 to ISO 6400. The corresponding ISO settings for the Sony Cyber-shot DSC-RX100 are ISO 100 to ISO 6400, with the possibility to increase the ISO range to 100-25600.

Technology-wise, both cameras are equipped with CMOS (Complementary Metal–Oxide–Semiconductor) sensors. Both cameras use a Bayer filter for capturing RGB colors on a square grid of photosensors. This arrangement is found in most digital cameras.

Consistent information on actual sensor performance is available from DXO Mark for many cameras. This service is based on lab testing and assigns an overall score to each camera sensor, as well as ratings for dynamic range ("DXO Landscape"), color depth ("DXO Portrait"), and low-light sensitivity ("DXO Sports"). The following table provides an overview of the physical sensor characteristics, as well as the sensor quality measurements for a selection of comparators.

Sensor Characteristics

#		Camera Model	Sensor Class	Resolution (MP)	Horiz. Pixels	Vert. Pixels	Video Format	DXO Portrait	DXO Landscape	DXO Sports	DXO Overall
1.		Nikon L840	1/2.3	15.9	4608	3456	1080/60i	20.2	11.6	721	47
2.		Sony RX100	1-inch	20.0	5472	3648	1080/60p	22.6	12.4	390	66
3.		Canon G9 X Mark II	1-inch	20.0	5472	3648	1080/60p	21.9	12.5	522	65
4.		Canon G9 X	1-inch	20.0	5472	3648	1080/60p	21.5	12.3	495	63
5.		Canon SX530	1/2.3	15.9	4608	3456	1080/30p	20.2	11.6	712	47
6.		Canon SX520	1/2.3	15.9	4608	3456	1080/30p	20.1	11.5	672	46
7.		Canon SX60	1/2.3	14.2	4608	3072	1080/60p	19.2	10.8	127	39
8.		Nikon B600	1/2.3	15.9	4608	3456	1080/30p	20.7	12.2	1095	52
9.		Nikon B700	1/2.3	20.2	5184	3888	4K/30p	20.4	11.8	818	48
10.		Nikon B500	1/2.3	15.9	4608	3456	1080/60i	20.3	11.7	810	48
11.		Nikon P900	1/2.3	15.9	4608	3456	1080/60p	20.2	11.6	727	47
12.		Sony HX80	1/2.3	18.0	4896	3672	1080/60p	20.4	11.8	822	48
13.		Sony RX100 III	1-inch	20.0	5472	3648	1080/60p	22.4	12.3	495	67
14.		Sony H400	1/2.3	19.9	5152	3864	720/30p	20.1	11.4	630	45
15.		Sony RX10	1-inch	20.0	5472	3648	1080/60p	22.9	12.6	474	69
16.		Sony RX100 II	1-inch	20.0	5472	3648	1080/60p	22.5	12.4	483	67
17.		Sony H200	1/2.3	15.2	5184	2930	720/30p	19.9	11.2	529	44
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 RX100 provides a faster frame rate than the L840. It can shoot movie footage at 1080/60p, while the Nikon is limited to 1080/60i.

Feature comparison

Beyond body and sensor, cameras can and do differ across a range of features. The L840 and the RX100 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 table below summarizes some of the other core capabilities of the Nikon L840 and Sony RX100 in connection with corresponding information for a sample of similar 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.		Nikon L840	none	n	3.0 / 921	tilting	n	1/4000s	7.4/s	Y	Y
2.		Sony RX100	none	n	3.0 / 1229	fixed	n	1/2000s	10.0/s	Y	Y
3.		Canon G9 X Mark II	none	n	3.0 / 1040	fixed	Y	1/2000s	8.2/s	Y	Y
4.		Canon G9 X	none	n	3.0 / 1040	fixed	Y	1/2000s	6.0/s	Y	Y
5.		Canon SX530	none	n	3.0 / 461	fixed	n	1/2000s	1.6/s	Y	Y
6.		Canon SX520	none	n	3.0 / 461	fixed	n	1/2000s	1.6/s	Y	Y
7.		Canon SX60	922	n	3.0 / 922	swivel	n	1/2000s	6.4/s	Y	Y
8.		Nikon B600	none	n	3.0 / 921	fixed	n	1/4000s	7.4/s	Y	Y
9.		Nikon B700	921	n	3.0 / 921	swivel	n	1/4000s	5.0/s	Y	Y
10.		Nikon B500	none	n	3.0 / 921	tilting	n	1/4000s	7.4/s	Y	Y
11.		Nikon P900	921	n	3.0 / 921	swivel	n	1/4000s	7.0/s	Y	Y
12.		Sony HX80	638	n	3.0 / 922	tilting	n	1/2000s	10.0/s	Y	Y
13.		Sony RX100 III	1440	n	3.0 / 1229	tilting	n	1/2000s	10.0/s	Y	Y
14.		Sony H400	210	n	3.0 / 460	fixed	n	1/2000s	0.7/s	Y	Y
15.		Sony RX10	1440	Y	3.0 / 1229	tilting	n	1/3200s	10.0/s	Y	Y
16.		Sony RX100 II	optional	n	3.0 / 1229	tilting	n	1/2000s	10.0/s	Y	Y
17.		Sony H200	none	n	3.0 / 460	fixed	n	1/1500s	0.8/s	Y	Y
Note: *) Information refers to the mechanical shutter, unless the camera only has an electronic one.

Both the L840 and the RX100 have zoom lenses built in. The L840 has a 22.5-855mm f/3.0-6.5 optic and the RX100 offers a 28-100mm f/1.8-4.9 (focal lengths in full frame equivalent terms). Hence, the Nikon provides a wider angle of view at the short end, as well as more tele-photo reach at the long end than the Sony. The RX100 offers the faster maximum aperture.

The L840 writes its imaging data to SDXC cards, while the RX100 uses SDXC or Memory Stick PRO Duo 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 Nikon Coolpix L840 and Sony Cyber-shot DSC-RX100 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.		Nikon L840	-	stereo / mono	-	-	micro	2.0	Y	Y	-
2.		Sony RX100	-	stereo / mono	-	-	micro	2.0	-	-	-
3.		Canon G9 X Mark II	-	stereo / mono	-	-	micro	2.0	Y	Y	Y
4.		Canon G9 X	-	stereo / mono	-	-	micro	2.0	Y	Y	-
5.		Canon SX530	-	stereo / mono	-	-	mini	2.0	Y	Y	-
6.		Canon SX520	-	stereo / mono	-	-	mini	2.0	-	-	-
7.		Canon SX60	Y	stereo / mono	Y	-	mini	2.0	Y	Y	-
8.		Nikon B600	-	stereo / mono	-	-	micro	2.0	Y	-	Y
9.		Nikon B700	-	stereo / mono	-	-	micro	2.0	Y	Y	Y
10.		Nikon B500	-	stereo / mono	-	-	micro	2.0	Y	Y	Y
11.		Nikon P900	-	stereo / mono	-	-	micro	2.0	Y	Y	-
12.		Sony HX80	-	stereo / mono	-	-	micro	2.0	Y	Y	-
13.		Sony RX100 III	-	stereo / mono	-	-	micro	2.0	Y	Y	-
14.		Sony H400	-	mono / mono	-	-	micro	2.0	Y	-	-
15.		Sony RX10	Y	stereo / mono	Y	Y	micro	2.0	Y	Y	-
16.		Sony RX100 II	Y	stereo / mono	-	-	micro	2.0	Y	Y	-
17.		Sony H200	-	mono / mono	-	-	-	2.0	-	-	-

It is notable that the L840 offers wifi support, while the RX100 does not. Wifi can be a very convenient means to transfer image data to an off-camera location.

Both the L840 and the RX100 have been discontinued, but can regularly be found used on ebay. The RX100 was replaced by the Sony RX100 II, while the L840 was followed by the Nikon B500. Further information on the features and operation of the L840 and RX100 can be found, respectively, in the Nikon L840 Manual (free pdf) or the online Sony RX100 Manual.

Review summary

So what is the bottom line? Is there a clear favorite between the Nikon L840 and the Sony RX100? Which camera is better? A synthesis of the relative strong points of each of the models is listed below.

Advantages of the Nikon Coolpix L840:

• Maximized detail: Lacks an anti-alias filter to exploit the sensor's full resolution potential.
• More flexible LCD: Has a tilting screen for odd-angle shots in landscape orientation.
• Faster shutter: Has higher mechanical shutter speed (1/4000s vs 1/2000s) to freeze action.
• 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: Can take more shots (590 versus 330) on a single battery charge.
• Easier file upload: Has wifi built in for automatic backup or image transfer to the web.
• Easier device pairing: Supports NFC for fast wireless image transfer over short distances.
• More affordable: Was introduced into a lower priced category (54 percent cheaper at launch).
• More modern: Reflects 2 years and 8 months of technical progress since the RX100 launch.

Reasons to prefer the Sony Cyber-shot DSC-RX100:

• More detail: Has more megapixels (20 vs 15.9MP), which boosts linear resolution by 14%.
• 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.
• Better video: Provides higher movie framerates (1080/60p versus 1080/60i).
• More detailed LCD: Has a higher resolution rear screen (1229k vs 921k dots).
• Faster burst: Shoots at higher frequency (10 vs 7.4 flaps/sec) to capture the decisive moment.
• Better light gathering: Has a lens with a wider maximum aperture (f/1.8 vs f/3.0).
• More compact: Is smaller (102x58mm vs 113x78mm) and will fit more readily into a bag.
• Less heavy: Has a lower weight (by 298g or 55 percent) and is thus easier to take along.
• Easier travel charging: Can be conveniently charged via its USB port.
• More heavily discounted: Has been around for much longer (launched in June 2012).

If the count of relative strengths (bullet points above) is taken as a measure, the RX100 is the clear winner of the contest (14 : 10 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 sports photographer will view the differences between cameras in a way that diverges from the perspective of a street photog, and a person interested in family portraits has distinct needs from a landscape 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 Nikon L840 and the Sony RX100 place the cameras among the top in their class? Find out in the latest Best Superzoom Camera and Best Travel-Zoom Camera listings 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 incomplete and does no justice, for example, to the way the L840 or the RX100 perform in practice. 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 why hands-on reviews by experts are important. The table below provides a synthesis of the camera assessments of some of the best known photo-gear 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.		Nikon L840	..	+ +	..	..	3.5/5	4/5	Feb 2015	299	ebay.com
2.		Sony RX100	5/5	+ +	..	78/100	4/5	5/5	Jun 2012	649	ebay.com
3.		Canon G9 X Mark II	4/5	..	4/5	75/100	4.5/5	4.5/5	Jan 2017	529	ebay.com
4.		Canon G9 X	3.5/5	+ +	..	..	4.5/5	4.5/5	Oct 2015	529	ebay.com
5.		Canon SX530	..	+ +	..	..	4/5	4/5	Jan 2015	429	ebay.com
6.		Canon SX520	..	+	..	..	3.5/5	3.5/5	Jul 2014	399	ebay.com
7.		Canon SX60	3/5	+ +	..	75/100	4/5	4.5/5	Sep 2014	549	ebay.com
8.		Nikon B600	..	+	..	..	3.5/5	3/5	Jan 2019	349	ebay.com
9.		Nikon B700	..	+	..	..	4/5	4/5	Feb 2016	499	ebay.com
10.		Nikon B500	..	+	..	..	4/5	3.5/5	Jan 2016	299	ebay.com
11.		Nikon P900	..	..	..	77/100	4/5	4/5	Mar 2015	599	ebay.com
12.		Sony HX80	..	..	..	..	..	..	Mar 2016	349	ebay.com
13.		Sony RX100 III	5/5	+ +	..	82/100	4.5/5	5/5	May 2014	799	ebay.com
14.		Sony H400	..	o	..	..	3.5/5	3.5/5	Feb 2014	319	ebay.com
15.		Sony RX10	5/5	+	..	80/100	4.5/5	4.5/5	Oct 2013	1,299	ebay.com
16.		Sony RX100 II	5/5	+ +	..	79/100	4.5/5	4.5/5	Jun 2013	749	ebay.com
17.		Sony H200	..	..	..	..	3.5/5	3.5/5	Jan 2013	249	ebay.com
Note: (+ +) highly recommended; (+) recommended; (o) reviewed; (..) not available.

The review scores listed above should be treated with care, though. The ratings were established in reference to similarly priced cameras that were available in the market at the time of the review. A score, therefore, has to be seen in close connection to the price and market introduction time 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.

Check L840 offers at
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Check RX100 offers 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 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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