Leica X1 vs Sony RX0

The Leica X1 and the Sony Cyber-shot DSC-RX0 are two digital cameras that were revealed to the public, respectively, in September 2009 and August 2017. Both the X1 and the RX0 are fixed lens compact cameras that are based on an APS-C (X1) and an one-inch (RX0) sensor. The Leica has a resolution of 12.2 megapixels, whereas the Sony provides 15.4 MP.

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

Headline Specifications

Leica X1		Sony RX0
Fixed lens compact camera		Fixed lens compact camera
36mm f/2.8		24mm f/4.0
12.2 MP – APS-C sensor		15.4 MP – 1" sensor
no Video		1080/60p Video
ISO 100-3,200		ISO 125-12,800
No viewfinder, LCD framing		No viewfinder, LCD framing
2.7" LCD – 230k dots		1.5" LCD – 230k dots
Fixed screen (not touch-sensitive)		Fixed screen (not touch-sensitive)
3 shutter flaps per second		5.5 shutter flaps per second
not weather sealed		Waterproof body (10m)
260 shots per battery charge		240 shots per battery charge
124 x 60 x 32 mm, 306 g		59 x 41 x 30 mm, 110 g

Check X1 offers at
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Check RX0 offers at
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Going beyond this snapshot of core features and characteristics, what are the differences between the Leica X1 and the Sony Cyber-shot DSC-RX0? 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

An illustration of the physical size and weight of the Leica X1 and the Sony RX0 is provided in the side-by-side display below. The two cameras are presented according to their relative size. Three consecutive views from the front, the top, and the rear side are shown. All width, height and depth dimensions are rounded to the nearest millimeter.

The X1 can be obtained in two different colors (black, silver), while the RX0 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 RX0 is considerably smaller (67 percent) than the Leica X1. Moreover, the RX0 is substantially lighter (64 percent) than the X1. It is noteworthy in this context that the RX0 is splash and dust-proof, while the X1 does not feature any corresponding weather-sealing. More than that, the RX0 is water-proof up to 10m and can, thus, be used for underwater photography.

Concerning battery life, the X1 gets 260 shots out of its Leica BP-DC8 battery, while the RX0 can take 240 images on a single charge of its Sony NP-BJ1 power pack. The power pack in the RX0 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.		Leica X1	124 mm	60 mm	32 mm	306 g	260	n	Sep 2009	1,995	ebay.com
2.		Sony RX0	59 mm	41 mm	30 mm	110 g	240	Y	Aug 2017	699	ebay.com
3.		Canon G16	109 mm	76 mm	40 mm	356 g	360	n	Aug 2013	549	ebay.com
4.		Fujifilm X100	126 mm	75 mm	54 mm	445 g	300	n	Sep 2010	1,199	ebay.com
5.		Leica D-LUX 5	110 mm	65 mm	43 mm	271 g	400	n	Sep 2010	699	ebay.com
6.		Leica D-LUX 6	111 mm	68 mm	46 mm	298 g	330	n	Sep 2012	699	ebay.com
7.		Leica V-LUX 2	124 mm	80 mm	95 mm	520 g	410	n	Sep 2010	849	ebay.com
8.		Leica X2	124 mm	69 mm	52 mm	345 g	450	n	May 2012	1,995	ebay.com
9.		Leica X Typ 113	133 mm	73 mm	78 mm	486 g	350	n	Sep 2014	2,295	ebay.com
10.		Panasonic LX5	110 mm	65 mm	43 mm	271 g	400	n	Jul 2010	499	ebay.com
11.		Sony NEX-3	117 mm	62 mm	33 mm	297 g	330	n	May 2010	599	ebay.com
12.		Sony NEX-5	111 mm	59 mm	38 mm	287 g	330	n	May 2010	699	ebay.com
13.		Sony RX0 II	59 mm	41 mm	35 mm	132 g	240	Y	Mar 2019	699	amazon.com
14.		Sony RX10	129 mm	88 mm	102 mm	813 g	420	Y	Oct 2013	1,299	ebay.com
15.		Sony RX10 II	129 mm	88 mm	102 mm	813 g	400	Y	Jun 2015	1,299	ebay.com
16.		Sony RX10 III	133 mm	94 mm	127 mm	1051 g	420	Y	Mar 2016	1,499	ebay.com
17.		Sony RX10 IV	133 mm	94 mm	145 mm	1095 g	400	Y	Sep 2017	1,699	amazon.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 manufacturer’s suggested retail prices give an idea on the placement of the camera in the maker’s lineup and the broader market. The RX0 was launched at a markedly lower price (by 65 percent) than the X1, 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. 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 sensor inside a digital camera is one of the key determinants of image quality. A large sensor will tend to have larger individual pixels that provide better low-light sensitivity, wider dynamic range, and richer color-depth than smaller pixel-units 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.

Of the two cameras under consideration, the Leica X1 features an APS-C sensor and the Sony RX0 an one-inch sensor. The sensor area in the RX0 is 69 percent smaller. As a result of these sensor size differences, the cameras have a format factor of, respectively, 1.5 and 2.7. Both cameras have a native aspect ratio (sensor width to sensor height) of 3:2.

Despite having a smaller sensor, the RX0 offers a higher resolution of 15.4 megapixels, compared with 12.2 MP of the X1. This megapixels advantage comes at the cost of a higher pixel density and a smaller size of the individual pixel (with a pixel pitch of 2.74μm versus 5.51μm for the X1). However, it should be noted that the RX0 is much more recent (by 7 years and 11 months) than the X1, and its sensor will have benefitted from technological advances during this time that make it possible to gather light more efficiently.

The resolution advantage of the Sony RX0 implies greater flexibility for cropping images or the possibility to print larger pictures. The maximum print size of the RX0 for good quality output (200 dots per inch) amounts to 24 x 16 inches or 61 x 40.6 cm, for very good quality (250 dpi) 19.2 x 12.8 inches or 48.8 x 32.5 cm, and for excellent quality (300 dpi) 16 x 10.7 inches or 40.6 x 27.1 cm. The corresponding values for the Leica X1 are 21.4 x 14.3 inches or 54.3 x 36.3 cm for good quality, 17.1 x 11.4 inches or 43.4 x 29 cm for very good quality, and 14.2 x 9.5 inches or 36.2 x 24.2 cm for excellent quality prints.

The Leica X1 has a native sensitivity range from ISO 100 to ISO 3200. The corresponding ISO settings for the Sony Cyber-shot DSC-RX0 are ISO 125 to ISO 12800 (no boost).

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 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.		Leica X1	APS-C	12.2	4272	2856	none	22.6	11.8	1037	69
2.		Sony RX0	1-inch	15.4	4800	3200	1080/60p	22.4	12.4	548	68
3.		Canon G16	1/1.7	12.0	4000	3000	1080/60p	21.0	11.7	230	54
4.		Fujifilm X100	APS-C	12.2	4288	2848	720/30p	22.9	12.4	1001	73
5.		Leica D-LUX 5	1/1.7	10.0	3648	2736	720/60p	19.5	10.4	-583	39
6.		Leica D-LUX 6	1/1.7	10.0	3648	2736	1080/60p	19.8	10.8	-303	43
7.		Leica V-LUX 2	1/2.3	14.0	4320	3240	1080/60i	19.4	10.7	321	39
8.		Leica X2	APS-C	16.1	4928	3264	none	23.2	12.4	1275	74
9.		Leica X Typ 113	APS-C	16.1	4928	3264	1080/30p	23.6	12.8	1491	78
10.		Panasonic LX5	1/1.7	10.0	3648	2736	720/60p	19.6	10.8	132	41
11.		Sony NEX-3	APS-C	14.0	4592	3056	720/30p	22.1	12.0	830	68
12.		Sony NEX-5	APS-C	14.0	4592	3056	1080/60i	22.2	12.2	796	69
13.		Sony RX0 II	1-inch	15.4	4800	3200	4K/30p	22.1	12.4	555	65
14.		Sony RX10	1-inch	20.0	5472	3648	1080/60p	22.9	12.6	474	69
15.		Sony RX10 II	1-inch	20.0	5472	3648	4K/30p	23.0	12.6	531	70
16.		Sony RX10 III	1-inch	20.0	5472	3648	4K/30p	23.1	12.6	472	70
17.		Sony RX10 IV	1-inch	20.0	5472	3648	4K/30p	22.0	12.2	408	63
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. The RX0 indeed provides for movie recording, while the X1 does not. The highest resolution format that the RX0 can use is 1080/60p.

Feature comparison

Apart from body and sensor, cameras can and do differ across a range of features. The X1 and the RX0 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 adjacent table lists some of the other core features of the Leica X1 and Sony RX0 along with similar information for a selection of comparators.

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.		Leica X1	none	n	2.7 / 230	fixed	n	1/2000s	3.0/s	Y	n
2.		Sony RX0	none	n	1.5 / 230	fixed	n	..	5.5/s	n	n
3.		Canon G16	optical	n	3.0 / 922	fixed	n	1/4000s	2.2/s	Y	Y
4.		Fujifilm X100	1440	n	2.8 / 460	fixed	n	1/4000s	5.0/s	Y	n
5.		Leica D-LUX 5	optional	n	3.0 / 460	fixed	n	1/4000s	2.5/s	Y	Y
6.		Leica D-LUX 6	optional	n	3.0 / 920	fixed	n	1/4000s	11.0/s	Y	Y
7.		Leica V-LUX 2	202	n	3.0 / 460	swivel	n	1/2000s	11.0/s	Y	Y
8.		Leica X2	optional	n	2.7 / 230	fixed	n	1/2000s	5.0/s	Y	n
9.		Leica X Typ 113	optional	n	3.0 / 920	fixed	n	1/2000s	5.0/s	Y	n
10.		Panasonic LX5	optional	n	3.0 / 460	fixed	n	1/4000s	2.5/s	Y	Y
11.		Sony NEX-3	optional	n	3.0 / 920	tilting	n	1/4000s	7.0/s	n	n
12.		Sony NEX-5	optional	n	3.0 / 920	tilting	n	1/4000s	7.0/s	n	n
13.		Sony RX0 II	none	n	1.5 / 230	tilting	n	..	5.5/s	n	n
14.		Sony RX10	1440	Y	3.0 / 1229	tilting	n	1/3200s	10.0/s	Y	Y
15.		Sony RX10 II	2359	Y	3.0 / 1229	tilting	n	1/3200s	14.0/s	Y	Y
16.		Sony RX10 III	2359	Y	3.0 / 1229	tilting	n	1/2000s	14.0/s	Y	Y
17.		Sony RX10 IV	2359	Y	3.0 / 1440	tilting	Y	1/2000s	24.0/s	Y	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 X1 has one, while the RX0 does not. While the built-in flash of the X1 is not very powerful, it can at times be useful as a fill-in light.

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 RX0 only has 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).

Both the X1 and the RX0 have built-in prime lenses. The X1 has a 36mm f/2.8 optic and the RX0 offers a 24mm f/4.0 (focal lengths in full frame equivalent terms). Hence, the Leica provides more tele-photo reach than the Sony. The X1 offers the faster maximum aperture.

The X1 writes its imaging data to SDHC cards, while the RX0 uses micro SDXC or Memory Stick Micro cards. The RX0 supports UHS-I cards (Ultra High Speed data transfer of up to 104 MB/s), while the X1 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 Leica X1 and Sony Cyber-shot DSC-RX0 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.		Leica X1	Y	- / -	-	-	mini	2.0	-	-	-
2.		Sony RX0	-	stereo / mono	Y	-	micro	2.0	Y	-	Y
3.		Canon G16	Y	stereo / mono	-	-	mini	2.0	Y	-	-
4.		Fujifilm X100	Y	stereo / -	-	-	mini	2.0	-	-	-
5.		Leica D-LUX 5	Y	mono / mono	-	-	mini	2.0	-	-	-
6.		Leica D-LUX 6	Y	stereo / mono	-	-	mini	2.0	-	-	-
7.		Leica V-LUX 2	Y	stereo / mono	-	-	mini	2.0	-	-	-
8.		Leica X2	Y	- / -	-	-	mini	2.0	-	-	-
9.		Leica X Typ 113	Y	stereo / mono	-	-	mini	2.0	-	-	-
10.		Panasonic LX5	Y	mono / mono	-	-	mini	2.0	-	-	-
11.		Sony NEX-3	Y	stereo / mono	-	-	mini	2.0	-	-	-
12.		Sony NEX-5	Y	stereo / mono	-	-	mini	2.0	-	-	-
13.		Sony RX0 II	-	stereo / mono	Y	-	micro	2.0	Y	-	Y
14.		Sony RX10	Y	stereo / mono	Y	Y	micro	2.0	Y	Y	-
15.		Sony RX10 II	Y	stereo / mono	Y	Y	micro	2.0	Y	Y	-
16.		Sony RX10 III	Y	stereo / mono	Y	Y	micro	2.0	Y	Y	-
17.		Sony RX10 IV	Y	stereo / mono	Y	Y	micro	2.0	Y	Y	-

It is notable that the X1 has a hotshoe, while the RX0 does not. This socket makes it possible to easily attach optional accessories, such as an external flash gun.

Both the X1 and the RX0 have been discontinued, but can regularly be found used on ebay. The X1 was replaced by the Leica X2, while the RX0 was followed by the Sony RX0 II. Further information on the features and operation of the X1 and RX0 can be found, respectively, in the Leica X1 Manual (free pdf) or the online Sony RX0 Manual.

Review summary

So what is the bottom line? Which of the two cameras – the Leica X1 or the Sony RX0 – has the upper hand? Is one clearly better than the other? The listing below highlights the relative strengths of the two models.

Advantages of the Leica X1:

• Larger screen: Has a bigger rear LCD (2.7" vs 1.5") for image review and settings control.
• Better light gathering: Has a lens with a wider maximum aperture (f/2.8 vs f/4.0).
• Easier fill-in: Is equipped with a small onboard flash to brighten deep shadow areas.
• Better lighting: Features a hotshoe and can thus hold and trigger an external flash gun.
• More prestigious: Has the Leica luxury appeal, which ensures a high resale price.
• More heavily discounted: Has been available for much longer (launched in September 2009).

Arguments in favor of the Sony Cyber-shot DSC-RX0:

• More detail: Has more megapixels (15.4 vs 12.2MP), which boosts linear resolution by 12%.
• Broader imaging potential: Can capture not only stills but also 1080/60p video.
• Faster burst: Shoots at higher frequency (5.5 vs 3 flaps/sec) to capture the decisive moment.
• Less disturbing: Has an electronic shutter option for completely silent shooting.
• Wider view: Has a wider-angle lens that facilitates landscape or interior shots.
• More compact: Is smaller (59x41mm vs 124x60mm) and will fit more readily into a bag.
• Less heavy: Has a lower weight (by 196g or 64 percent) and is thus easier to take along.
• Easier travel charging: Can be conveniently charged via its USB port.
• Better sealing: Is splash and dust sealed for shooting in inclement weather conditions.
• Water-proof: Is rugged and sealed and can thus be used for underwater photography (up to 10m).
• 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.
• Faster buffer clearing: Has an SD card interface that supports the UHS-I standard.
• More affordable: Was introduced into a lower priced category (65 percent cheaper at launch).
• More modern: Reflects 7 years and 11 months of technical progress since the X1 launch.

If the number of relative strengths (bullet points above) is taken as a guide, the RX0 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 Leica X1 and the Sony RX0 place the cameras among the top in their class? Find out in the latest Best Prime Lens Compact Camera listing 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 remains partial and cannot reveal, for example, the shooting experience and imaging performance when actually working with the X1 or the RX0. 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.		Leica X1	3/5	..	..	+	..	4/5	Sep 2009	1,995	ebay.com
2.		Sony RX0	..	..	..	..	3.5/5	4/5	Aug 2017	699	ebay.com
3.		Canon G16	4/5	+	..	..	4.5/5	4.5/5	Aug 2013	549	ebay.com
4.		Fujifilm X100	3/5	..	..	75/100	4/5	5/5	Sep 2010	1,199	ebay.com
5.		Leica D-LUX 5	..	..	..	..	4.5/5	4/5	Sep 2010	699	ebay.com
6.		Leica D-LUX 6	..	..	..	..	4/5	4/5	Sep 2012	699	ebay.com
7.		Leica V-LUX 2	..	..	..	..	..	..	Sep 2010	849	ebay.com
8.		Leica X2	3/5	..	..	..	3/5	4/5	May 2012	1,995	ebay.com
9.		Leica X Typ 113	3.5/5	..	..	..	3.5/5	4/5	Sep 2014	2,295	ebay.com
10.		Panasonic LX5	4/5	+	..	73/100	4.5/5	4.5/5	Jul 2010	499	ebay.com
11.		Sony NEX-3	..	..	..	70/100	4.5/5	4/5	May 2010	599	ebay.com
12.		Sony NEX-5	3/5	+ +	..	71/100	4.5/5	4/5	May 2010	699	ebay.com
13.		Sony RX0 II	..	..	..	..	3.5/5	4/5	Mar 2019	699	amazon.com
14.		Sony RX10	5/5	+	..	80/100	4.5/5	4.5/5	Oct 2013	1,299	ebay.com
15.		Sony RX10 II	5/5	+ +	..	82/100	4.5/5	4/5	Jun 2015	1,299	ebay.com
16.		Sony RX10 III	5/5	+	..	84/100	4.5/5	4.5/5	Mar 2016	1,499	ebay.com
17.		Sony RX10 IV	5/5	+	3.5/5	84/100	4.5/5	5/5	Sep 2017	1,699	amazon.com
Note: (+ +) highly recommended; (+) recommended; (o) reviewed; (..) not available.

The above review scores should be interpreted with care, though. The ratings are only valid when referring to cameras in the same category and of the same age. Hence, a score should always be seen in the context of the camera's market launch date and its price, and comparing ratings of very distinct cameras or ones that are far apart in terms of their release date 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

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