Sony RX0 vs Zeiss ZX1

The Sony Cyber-shot DSC-RX0 and the Zeiss ZX1 are two digital cameras that were revealed to the public, respectively, in August 2017 and September 2018. Both the RX0 and the ZX1 are fixed lens compact cameras that are based on an one-inch (RX0) and a full frame (ZX1) sensor. The Sony has a resolution of 15.4 megapixels, whereas the Zeiss provides 37.4 MP.

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

Headline Specifications

Sony RX0		Zeiss ZX1
Fixed lens compact camera		Fixed lens compact camera
24mm f/4.0		35mm f/2.8
15.4 MP – 1" sensor		37.4 MP – Full Frame sensor
1080/60p Video		4K/30p Video
ISO 125-12,800		ISO 80-51,200
No viewfinder, LCD framing		Electronic viewfinder (6221k dots)
1.5" LCD – 230k dots		4.3" LCD – 2765k dots
Fixed screen (not touch-sensitive)		Fixed touchscreen
5.5 shutter flaps per second		3 shutter flaps per second
Waterproof body (10m)		not weather sealed
240 shots per battery charge		250 shots per battery charge
59 x 41 x 30 mm, 110 g		142 x 93 x 46 mm, 800 g

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Going beyond this snapshot of core features and characteristics, what are the differences between the Sony Cyber-shot DSC-RX0 and the Zeiss ZX1? 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 Sony RX0 and the Zeiss ZX1 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.

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Zeiss ZX1 is considerably larger (446 percent) than the Sony RX0. Moreover, the ZX1 is substantially heavier (627 percent) than the RX0. It is worth mentioning in this context that the RX0 is splash and dust resistant, while the ZX1 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 RX0 gets 240 shots out of its Sony NP-BJ1 battery, while the ZX1 can take 250 images on a single charge of its Zeiss DD-PS1A power pack. The power pack in the RX0 can be charged via the USB port, so that it is not always necessary to take the battery charger along when travelling.

The adjacent table lists the principal physical characteristics of the two cameras alongside a wider set of alternatives. If you would like to visualize and compare a different camera combination, you can navigate to the CAM-parator app and make your selection from a broad list of cameras there.

Body Specifications

		Camera Model	Camera Width	Camera Height	Camera Depth	Camera Weight	Battery Life	Weather Sealing	Camera Launch	Launch Price	Street Price
1.		Sony RX0	59 mm	41 mm	30 mm	110 g	240	Y	Aug 2017	US$ 699	ebay.com
2.		Zeiss ZX1	142 mm	93 mm	46 mm	800 g	250	n	Sep 2018	US$ 5 999	ebay.com
3.		Leica M10	139 mm	80 mm	39 mm	660 g	210	Y	Jan 2017	US$ 6 599	ebay.com
4.		Leica Q Typ 116	130 mm	80 mm	93 mm	640 g	300	n	Jun 2015	US$ 4 249	ebay.com
5.		Leica Q2	130 mm	80 mm	92 mm	718 g	370	Y	Mar 2019	US$ 4 999	amazon.com
6.		Panasonic FZ1000	137 mm	99 mm	131 mm	831 g	360	n	Jun 2014	US$ 899	ebay.com
7.		Panasonic ZS100	111 mm	65 mm	44 mm	312 g	300	n	Jan 2016	US$ 699	ebay.com
8.		Sony RX0 II	59 mm	41 mm	35 mm	132 g	240	Y	Mar 2019	US$ 699	amazon.com
9.		Sony RX1R II	113 mm	65 mm	72 mm	507 g	220	n	Oct 2015	US$ 3 299	ebay.com
10.		Sony RX10	129 mm	88 mm	102 mm	813 g	420	Y	Oct 2013	US$ 1 299	ebay.com
11.		Sony RX10 II	129 mm	88 mm	102 mm	813 g	400	Y	Jun 2015	US$ 1 299	ebay.com
12.		Sony RX10 III	133 mm	94 mm	127 mm	1051 g	420	Y	Mar 2016	US$ 1 499	ebay.com
13.		Sony RX10 IV	133 mm	94 mm	145 mm	1095 g	400	Y	Sep 2017	US$ 1 699	amazon.com
14.		Sony RX100	102 mm	58 mm	36 mm	240 g	330	n	Jun 2012	US$ 649	ebay.com
15.		Sony RX100 II	102 mm	58 mm	38 mm	281 g	350	n	Jun 2013	US$ 749	ebay.com
16.		Sony RX100 III	102 mm	58 mm	41 mm	290 g	320	n	May 2014	US$ 799	ebay.com
17.		Sony RX100 V	102 mm	58 mm	41 mm	299 g	220	n	Oct 2016	US$ 999	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 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 RX0 was launched at a markedly lower price (by 88 percent) than the ZX1, 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 sensor inside a digital camera is one of the key determinants 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.

Of the two cameras under consideration, the Sony RX0 features an one-inch sensor and the Zeiss ZX1 a full frame sensor. The sensor area in the ZX1 is 645 percent bigger. As a result of these sensor size differences, the cameras have a format factor of, respectively, 2.7 and 1.0. Both cameras have a native aspect ratio (sensor width to sensor height) of 3:2.

With 37.4MP, the ZX1 offers a higher resolution than the RX0 (15.4MP), but the ZX1 nevertheless has larger individual pixels (pixel pitch of 4.81μm versus 2.74μm for the RX0) due to its larger sensor. Moreover, the ZX1 is a somewhat more recent model (by 1 year) than the RX0, and its sensor might have benefitted from technological advances during this time that further enhance the light gathering capacity of its pixel-units.

The resolution advantage of the Zeiss ZX1 implies greater flexibility for cropping images or the possibility to print larger pictures. The maximum print size of the ZX1 for good quality output (200 dots per inch) amounts to 37.4 x 25 inches or 95.1 x 63.4 cm, for very good quality (250 dpi) 30 x 20 inches or 76.1 x 50.7 cm, and for excellent quality (300 dpi) 25 x 16.6 inches or 63.4 x 42.3 cm. The corresponding values for the Sony RX0 are 24 x 16 inches or 61 x 40.6 cm for good quality, 19.2 x 12.8 inches or 48.8 x 32.5 cm for very good quality, and 16 x 10.7 inches or 40.6 x 27.1 cm for excellent quality prints.

The Sony Cyber-shot DSC-RX0 has a native sensitivity range from ISO 125 to ISO 12800. The corresponding ISO settings for the Zeiss ZX1 are ISO 80 to ISO 51200 (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.

Since 2007, DXO Mark has published sensor performance measurements that have been derived using a consistent methodology. 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.		Sony RX0	1-inch	15.4	4800	3200	1080/60p	22.4	12.4	548	68
2.		Zeiss ZX1	Full Frame	37.4	7488	4992	4K/30p	25.2	14.1	2759	94
3.		Leica M10	Full Frame	23.8	5952	3992	none	24.4	13.2	2133	86
4.		Leica Q Typ 116	Full Frame	24.0	6000	4000	1080/60p	24.3	12.7	2221	85
5.		Leica Q2	Full Frame	46.7	8368	5584	4K/30p	26.4	13.5	2491	96
6.		Panasonic FZ1000	1-inch	20.0	5472	3648	4K/30p	22.1	11.7	517	64
7.		Panasonic ZS100	1-inch	20.0	5472	3648	4K/30p	22.8	12.5	559	70
8.		Sony RX0 II	1-inch	15.4	4800	3200	4K/30p	22.1	12.4	555	65
9.		Sony RX1R II	Full Frame	42.2	7952	5304	1080/60p	25.8	13.9	3204	97
10.		Sony RX10	1-inch	20.0	5472	3648	1080/60p	22.9	12.6	474	69
11.		Sony RX10 II	1-inch	20.0	5472	3648	4K/30p	23.0	12.6	531	70
12.		Sony RX10 III	1-inch	20.0	5472	3648	4K/30p	23.1	12.6	472	70
13.		Sony RX10 IV	1-inch	20.0	5472	3648	4K/30p	22.0	12.2	408	63
14.		Sony RX100	1-inch	20.0	5472	3648	1080/60p	22.6	12.4	390	66
15.		Sony RX100 II	1-inch	20.0	5472	3648	1080/60p	22.5	12.4	483	67
16.		Sony RX100 III	1-inch	20.0	5472	3648	1080/60p	22.4	12.3	495	67
17.		Sony RX100 V	1-inch	20.0	5472	3648	4K/30p	22.8	12.4	586	70
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 also of capturing video footage. Both cameras under consideration are equipped with sensors that have a sufficiently high read-out speed for moving images, but the ZX1 provides a better video resolution than the RX0. It can shoot movie footage at 4K/30p, while the Sony is limited to 1080/60p.

Feature comparison

Apart from body and sensor, cameras can and do differ across a variety of features. For example, the ZX1 has an electronic viewfinder (6221k dots), which can be very helpful when shooting in bright sunlight. In contrast, the RX0 relies on live view and the rear LCD for framing. The adjacent table lists some of the other core features of the Sony RX0 and Zeiss ZX1 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.		Sony RX0	none	n	1.5 / 230	fixed	n	..	5.5/s	n	n
2.		Zeiss ZX1	6221	n	4.3 / 2765	fixed	Y	1/1000s	3.0/s	n	n
3.		Leica M10	optical	n	3.0 / 1037	fixed	n	1/4000s	5.0/s	n	n
4.		Leica Q Typ 116	3680	n	3.0 / 1040	fixed	Y	1/2000s	10.0/s	n	Y
5.		Leica Q2	3680	n	3.0 / 1040	fixed	Y	1/2000s	10.0/s	n	Y
6.		Panasonic FZ1000	2359	n	3.0 / 921	swivel	n	1/4000s	12.0/s	Y	Y
7.		Panasonic ZS100	1166	n	3.0 / 1040	fixed	Y	1/2000s	10.0/s	Y	Y
8.		Sony RX0 II	none	n	1.5 / 230	tilting	n	..	5.5/s	n	n
9.		Sony RX1R II	2360	n	3.0 / 1229	tilting	n	1/4000s	5.0/s	n	n
10.		Sony RX10	1440	Y	3.0 / 1229	tilting	n	1/3200s	10.0/s	Y	Y
11.		Sony RX10 II	2359	Y	3.0 / 1229	tilting	n	1/3200s	14.0/s	Y	Y
12.		Sony RX10 III	2359	Y	3.0 / 1229	tilting	n	1/2000s	14.0/s	Y	Y
13.		Sony RX10 IV	2359	Y	3.0 / 1440	tilting	Y	1/2000s	24.0/s	Y	Y
14.		Sony RX100	none	n	3.0 / 1229	fixed	n	1/2000s	10.0/s	Y	Y
15.		Sony RX100 II	optional	n	3.0 / 1229	tilting	n	1/2000s	10.0/s	Y	Y
16.		Sony RX100 III	1440	n	3.0 / 1229	tilting	n	1/2000s	10.0/s	Y	Y
17.		Sony RX100 V	2359	n	3.0 / 1229	tilting	n	1/2000s	24.0/s	Y	Y
Note: *) Information refers to the mechanical shutter, unless the camera only has an electronic one.

One differentiating feature between the two cameras concerns the touch sensitivity of the rear screen. The ZX1 has a touchscreen, while the RX0 has a conventional panel. Touch control can be particularly helpful, for example, for setting the focus point.

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, both cameras under consideration feature an 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 RX0 and the ZX1 have built-in prime lenses. The RX0 has a 24mm f/4.0 optic and the ZX1 offers a 35mm f/2.8 (focal lengths in full frame equivalent terms). Hence, the Sony provides a wider angle of view than the Zeiss. The ZX1 offers the faster maximum aperture.

The RX0 writes its imaging data to micro SDXC or Memory Stick Micro cards, while the ZX1 uses an internal SSD.

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 Sony Cyber-shot DSC-RX0 and Zeiss ZX1 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.		Sony RX0	-	stereo / mono	Y	-	micro	2.0	Y	-	Y
2.		Zeiss ZX1	Y	stereo / mono	-	-	-	3.1	Y	Y	Y
3.		Leica M10	Y	- / -	-	-	-	-	Y	-	-
4.		Leica Q Typ 116	Y	stereo / mono	-	-	micro	2.0	Y	Y	-
5.		Leica Q2	Y	stereo / mono	-	-	-	-	Y	-	Y
6.		Panasonic FZ1000	Y	stereo / mono	Y	-	micro	2.0	Y	Y	-
7.		Panasonic ZS100	-	stereo / mono	-	-	micro	2.0	Y	-	-
8.		Sony RX0 II	-	stereo / mono	Y	-	micro	2.0	Y	-	Y
9.		Sony RX1R II	Y	stereo / mono	Y	-	micro	2.0	Y	Y	-
10.		Sony RX10	Y	stereo / mono	Y	Y	micro	2.0	Y	Y	-
11.		Sony RX10 II	Y	stereo / mono	Y	Y	micro	2.0	Y	Y	-
12.		Sony RX10 III	Y	stereo / mono	Y	Y	micro	2.0	Y	Y	-
13.		Sony RX10 IV	Y	stereo / mono	Y	Y	micro	2.0	Y	Y	-
14.		Sony RX100	-	stereo / mono	-	-	micro	2.0	-	-	-
15.		Sony RX100 II	Y	stereo / mono	-	-	micro	2.0	Y	Y	-
16.		Sony RX100 III	-	stereo / mono	-	-	micro	2.0	Y	Y	-
17.		Sony RX100 V	-	stereo / mono	-	-	micro	2.0	Y	Y	-

It is notable that the RX0 has a microphone port, which is missing on the ZX1. Such an external microphone input can help to substantially improve the quality of audio recordings when a good external microphone is used.

Both the RX0 and the ZX1 have been discontinued, but can regularly be found used on ebay. The RX0 was replaced by the Sony RX0 II, while the ZX1 does not have a direct successor. Further information on the features and operation of the RX0 and ZX1 can be found, respectively, in the Sony RX0 Manual (free pdf) or the online Zeiss ZX1 Manual.

Review summary

So how do things add up? Is there a clear favorite between the Sony RX0 and the Zeiss ZX1? Which camera is better? A synthesis of the relative strong points of each of the models is listed below.

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

• Better sound: Can connect to an external microphone for higher quality sound recording.
• Faster burst: Shoots at higher frequency (5.5 vs 3 flaps/sec) to capture the decisive moment.
• Wider view: Has a wider-angle lens that facilitates landscape or interior shots.
• More compact: Is smaller (59x41mm vs 142x93mm) and thus needs less room in the bag.
• Less heavy: Is lighter (by 690g or 86 percent) and hence easier to carry around.
• Easier travel charging: Can be conveniently charged via its USB port.
• Better sealing: Is weather sealed to enable shooting in dusty or wet environments.
• Water-proof: Is rugged and sealed and can thus be used for underwater photography (up to 10m).
• More affordable: Was introduced into a lower priced category (88 percent cheaper at launch).
• More heavily discounted: Has been on the market for longer (launched in August 2017).

Advantages of the Zeiss ZX1:

• More detail: Has more megapixels (37.4 vs 15.4MP), which boosts linear resolution by 56%.
• 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 (4K/30p vs 1080/60p).
• Easier framing: Has an electronic viewfinder for image composition and settings control.
• Larger screen: Has a bigger rear LCD (4.3" vs 1.5") for image review and settings control.
• More detailed LCD: Has a higher resolution rear screen (2765k vs 230k dots).
• Fewer buttons to press: Has a touchscreen to facilitate handling and shooting adjustments.
• Better light gathering: Has a lens with a wider maximum aperture (f/2.8 vs f/4.0).
• Better lighting: Features a hotshoe and can thus hold and trigger an external flash gun.
• Faster data transfer: Supports a more advanced USB protocol (3.1 vs 2.0).
• Easier device pairing: Supports NFC for fast wireless image transfer over short distances.
• More prestigious: Has the Zeiss luxury appeal, which ensures a high resale value.
• More modern: Was introduced somewhat (1 year) more recently.

If the count of individual advantages (bullet points above) is taken as a guide, the ZX1 is the clear winner of the contest (16 : 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 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 Sony RX0 and the Zeiss ZX1 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 technical specifications can provide a useful overview of the capabilities of different cameras, it remains incomplete and does no justice, for example, to the way the RX0 or the ZX1 perform in practice. 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 hands-on reviews by experts are important. The following table reports the overall ratings of the cameras as published by some of the major 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	Street Price
1.		Sony RX0	..	..	..	..	3.5/5	4/5	Aug 2017	US$ 699	ebay.com
2.		Zeiss ZX1	3/5	..	..	83/100	4/5	4/5	Sep 2018	US$ 5 999	ebay.com
3.		Leica M10	4.5/5	..	..	..	4/5	4.5/5	Jan 2017	US$ 6 599	ebay.com
4.		Leica Q Typ 116	5/5	..	..	80/100	4.5/5	4.5/5	Jun 2015	US$ 4 249	ebay.com
5.		Leica Q2	..	..	4.5/5	84/100	4.5/5	4/5	Mar 2019	US$ 4 999	amazon.com
6.		Panasonic FZ1000	4/5	+ +	..	82/100	4.5/5	4.5/5	Jun 2014	US$ 899	ebay.com
7.		Panasonic ZS100	4.5/5	+ +	..	82/100	4.5/5	4.5/5	Jan 2016	US$ 699	ebay.com
8.		Sony RX0 II	..	..	..	..	3.5/5	4/5	Mar 2019	US$ 699	amazon.com
9.		Sony RX1R II	5/5	..	..	82/100	..	4.5/5	Oct 2015	US$ 3 299	ebay.com
10.		Sony RX10	5/5	+	..	80/100	4.5/5	4.5/5	Oct 2013	US$ 1 299	ebay.com
11.		Sony RX10 II	5/5	+ +	..	82/100	4.5/5	4/5	Jun 2015	US$ 1 299	ebay.com
12.		Sony RX10 III	5/5	+	..	84/100	4.5/5	4.5/5	Mar 2016	US$ 1 499	ebay.com
13.		Sony RX10 IV	5/5	+	3.5/5	84/100	4.5/5	5/5	Sep 2017	US$ 1 699	amazon.com
14.		Sony RX100	5/5	+ +	..	78/100	4/5	5/5	Jun 2012	US$ 649	ebay.com
15.		Sony RX100 II	5/5	+ +	..	79/100	4.5/5	4.5/5	Jun 2013	US$ 749	ebay.com
16.		Sony RX100 III	5/5	+ +	..	82/100	4.5/5	5/5	May 2014	US$ 799	ebay.com
17.		Sony RX100 V	4.5/5	+ +	..	83/100	4/5	4.5/5	Oct 2016	US$ 999	ebay.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. A score, therefore, has to be seen in close connection to the price and market introduction time of the camera, 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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