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Leica S3 vs Panasonic GX800

The Leica S3 and the Panasonic Lumix DMC-GX800 (labelled Panasonic GX850 in some countries) are two digital cameras that were officially introduced, respectively, in September 2018 and January 2017. The S3 is a DSLR, while the GX800 is a mirrorless interchangeable lens camera. The cameras are based on a medium format (S3) and a Four Thirds (GX800) sensor. The Leica has a resolution of 64 megapixels, whereas the Panasonic provides 15.8 MP.

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

Headline Specifications
Leica S3
versus
Panasonic GX800
Leica S3   Panasonic GX800
Digital single lens reflex Mirrorless system camera
Leica S mount lenses Micro Four Thirds lenses
64 MP – Medium Format sensor 15.8 MP – Four Thirds sensor
4K/24p Video 4K/30p Video
ISO 100-50,000 ISO 200-25,600
Optical viewfinder No viewfinder, LCD framing
3.0" LCD – 922k dots 3.0" LCD – 1040k dots
Fixed screen (not touch-sensitive) Tilting touchscreen
3 shutter flaps per second 10 shutter flaps per second
Weathersealed bodynot weather sealed
160 x 120 x 80 mm, 1260 g 107 x 65 x 33 mm, 269 g
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Going beyond this snapshot of core features and characteristics, what are the differences between the Leica S3 and the Panasonic Lumix DMC-GX800? 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

An illustration of the physical size and weight of the Leica S3 and the Panasonic GX800 is provided 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 dimensions are rounded to the nearest millimeter.

The GX800 can be obtained in three different colors (black, silver, red), while the S3 is only available in black.

Size Leica S3 vs Panasonic GX800
Compare S3 versus GX800 top
Comparison S3 or GX800 rear

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Panasonic GX800 is considerably smaller (64 percent) than the Leica S3. Moreover, the GX800 is substantially lighter (79 percent) than the S3. It is worth mentioning in this context that the S3 is splash and dust resistant, while the GX800 does not feature any corresponding weather-sealing.

The above size and weight comparisons are to some extent incomplete since they do not consider the interchangeable lenses that both of these cameras require. Hence, you might want to study and compare the specifications of available lenses in order to get the full picture of the size and weight of the two camera systems.

Concerning battery life, the S3 gets .. shots out of its Leica BP-PRO1 battery, while the GX800 can take 210 images on a single charge of its Panasonic DMW-BLH7 power pack.

The adjacent table lists the principal physical characteristics of the two cameras alongside a wider set of alternatives. 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.

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Body Specifications
# image Camera
Model
Camera
Width
Camera
Height
Camera
Depth
Camera
Weight
Battery
Life
Weather
Sealing
Camera
Launch
Launch
Price (USD)
Street
Price
1.
 
Leica S3 160 mm 120 mm 80 mm 1260 g .. Y Sep 2018 18,995ebay.com
2.
 
Panasonic GX800 107 mm 65 mm 33 mm 269 g 210 n Jan 2017 549ebay.com
3.
 
Leica Q2 130 mm 80 mm 92 mm 718 g 370 Y Mar 2019 4,995 amazon.com
4.
 
Leica M-E Typ 240 139 mm 80 mm 42 mm 680 g 500 Y Jun 2019 3,999ebay.com
5.
 
Leica M10-P 139 mm 80 mm 39 mm 660 g 210 Y Aug 2018 7,995ebay.com
6.
 
Leica M10 139 mm 80 mm 39 mm 660 g 210 Y Jan 2017 6,595ebay.com
7.
 
Leica S-E Typ 006 160 mm 120 mm 80 mm 1260 g .. Y Sep 2014 16,900ebay.com
8.
 
Leica S Typ 007 160 mm 120 mm 80 mm 1260 g .. Y Sep 2014 24,490ebay.com
9.
 
Leica S Typ 006 160 mm 120 mm 80 mm 1260 g .. Y Sep 2012 21,950ebay.com
10.
 
Leica S2 160 mm 120 mm 80 mm 1410 g .. Y Sep 2008 22,995ebay.com
11.
 
Nikon D6 160 mm 163 mm 92 mm 1270 g 3580 Y Feb 2020 6,499 amazon.com
12.
 
Panasonic GF7 107 mm 65 mm 33 mm 266 g 230 n Jan 2015 499ebay.com
13.
 
Panasonic G6 122 mm 85 mm 71 mm 390 g 340 n Apr 2013 599ebay.com
14.
 
Panasonic GF6 111 mm 65 mm 38 mm 323 g 340 n Apr 2013 499ebay.com
15.
 
Panasonic G5 120 mm 83 mm 71 mm 396 g 320 n Jul 2012 599ebay.com
16.
 
Panasonic GF5 108 mm 67 mm 37 mm 267 g 360 n Apr 2012 499ebay.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.
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Any camera decision will naturally be influenced heavily by the price. 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 GX800 was launched at a markedly lower price (by 97 percent) than the S3, 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 imaging sensor is a crucial determinant 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. 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 associated with larger, more expensive camera bodies and lenses.

Of the two cameras under consideration, the Leica S3 features a medium format sensor and the Panasonic GX800 a Four Thirds sensor. The sensor area in the GX800 is 83 percent smaller. As a result of these sensor size differences, the cameras have a format factor of, respectively, 0.8 and 2.0. The sensor in the S3 has a native 3:2 aspect ratio, while the one in the GX800 offers a 4:3 aspect.

Leica S3 and Panasonic GX800 sensor measures

With 64MP, the S3 offers a higher resolution than the GX800 (15.8MP), but the S3 nevertheless has larger individual pixels (pixel pitch of 4.59μm versus 3.77μm for the GX800) due to its larger sensor. Moreover, the S3 is a somewhat more recent model (by 1 year and 8 months) than the GX800, and its sensor might have benefitted from technological advances during this time that further enhance the light gathering capacity of its pixels. 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 Leica S3 implies greater flexibility for cropping images or the possibility to print larger pictures. The maximum print size of the S3 for good quality output (200 dots per inch) amounts to 49 x 32.7 inches or 124.5 x 83 cm, for very good quality (250 dpi) 39.2 x 26.1 inches or 99.6 x 66.4 cm, and for excellent quality (300 dpi) 32.7 x 21.8 inches or 83 x 55.3 cm. The corresponding values for the Panasonic GX800 are 23 x 17.2 inches or 58.3 x 43.8 cm for good quality, 18.4 x 13.8 inches or 46.7 x 35 cm for very good quality, and 15.3 x 11.5 inches or 38.9 x 29.2 cm for excellent quality prints.

The Leica S3 has a native sensitivity range from ISO 100 to ISO 50000. The corresponding ISO settings for the Panasonic Lumix DMC-GX800 are ISO 200 to ISO 25600, 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.

S3 versus GX800 MP

For many cameras, data on sensor performance has been reported by DXO Mark. 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 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
# image Camera
Model
Sensor
Class
Resolution
(MP)
Horiz.
Pixels
Vert.
Pixels
Video
Format
DXO
Portrait
DXO
Landscape
DXO
Sports
DXO
Overall
1.
 
Leica S3 Medium Format 64.0 9800 65334K/24p25.614.4314398
2.
 
Panasonic GX800 Four Thirds 15.8 4592 34484K/30p23.213.358673
3.
 
Leica Q2 Full Frame 46.7 8368 55844K/30p26.413.5249196
4.
 
Leica M-E Typ 240 Full Frame 23.7 5952 39761080/25p25.214.2282194
5.
 
Leica M10-P Full Frame 23.8 5952 3992none25.114.1273993
6.
 
Leica M10 Full Frame 23.8 5952 3992none24.413.2213386
7.
 
Leica S-E Typ 006 Medium Format 37.5 7500 5000none25.113.7276393
8.
 
Leica S Typ 007 Medium Format 37.5 7500 50004K/24p25.113.7276393
9.
 
Leica S Typ 006 Medium Format 37.5 7500 5000none23.912.282476
10.
 
Leica S2 Medium Format 37.5 7500 5000none23.912.5222482
11.
 
Nikon D6 Full Frame 20.7 5568 37124K/30p25.314.3288695
12.
 
Panasonic GF7 Four Thirds 15.8 4592 34481080/60p22.712.387470
13.
 
Panasonic G6 Four Thirds 15.9 4608 34561080/60p21.311.563961
14.
 
Panasonic GF6 Four Thirds 15.8 4592 34481080/60i20.710.662254
15.
 
Panasonic G5 Four Thirds 15.9 4608 34561080/60p21.411.661861
16.
 
Panasonic GF5 Four Thirds 12.0 4000 30001080/60i20.510.057350
17.
 
Sony RX10 IV 1-inch 20.0 5472 36484K/30p22.012.240863
Note: DXO values in italics represent estimates based on sensor size and age.
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Many modern cameras are not only capable of taking still images, but can also record movies. The two cameras under consideration both have sensors whose read-out speed is fast enough to capture moving pictures, but the GX800 provides a faster frame rate than the S3. It can shoot movie footage at 4K/30p, while the Leica is limited to 4K/24p.

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Feature comparison

Apart from body and sensor, cameras can and do differ across a range of features. For example, the S3 has an optical viewfinder, which can be very useful when shooting in bright sunlight. In contrast, the GX800 relies on live view and the rear LCD for framing. The following table reports on some other key feature differences and similarities of the Leica S3, the Panasonic GX800, and comparable cameras.

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Core Features
# image 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 S3optical Y3.0 / 922 fixed n 1/4000s 3.0/s n n
2.
 
Panasonic GX800none n3.0 / 1040 tilting Y 1/500s 10.0/s Y n
3.
 
Leica Q23680 n3.0 / 1040 fixed Y 1/2000s 10.0/s n Y
4.
 
Leica M-E Typ 240optical n3.0 / 920 fixed n 1/4000s 3.0/s n n
5.
 
Leica M10-Poptical n3.0 / 1037 fixed Y 1/4000s 5.0/s n n
6.
 
Leica M10optical n3.0 / 1037 fixed n 1/4000s 5.0/s n n
7.
 
Leica S-E Typ 006optical Y3.0 / 922 fixed n 1/4000s 1.5/s n n
8.
 
Leica S Typ 007optical Y3.0 / 922 fixed n 1/4000s 3.5/s n n
9.
 
Leica S Typ 006optical Y3.0 / 922 fixed n 1/4000s 1.5/s n n
10.
 
Leica S2optical Y3.0 / 460 fixed n 1/4000s 1.5/s n n
11.
 
Nikon D6optical Y3.2 / 2359 fixed Y 1/8000s 14.0/s n n
12.
 
Panasonic GF7none n3.0 / 1040 tilting Y 1/500s 5.8/s Y n
13.
 
Panasonic G61440 n3.0 / 1036 swivel Y 1/4000s 7.0/s Y n
14.
 
Panasonic GF6none n3.0 / 1040 tilting Y 1/4000s 4.2/s Y n
15.
 
Panasonic G51440 n3.0 / 920 swivel Y 1/4000s 6.0/s Y n
16.
 
Panasonic GF5none n3.0 / 920 fixed Y 1/4000s 4.0/s Y n
17.
 
Sony RX10 IV2359 Y3.0 / 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.
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One feature that is present on the S3, but is missing on the GX800 is a top-level LCD. While being, of course, smaller than the rear screen, the control panel conveys some of the essential shooting information and can be convenient for quick and easy settings verification.

The GX800 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 S3 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 GX800 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 Panasonic GX800 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 S3 writes its imaging data to Compact Flash or SDXC cards, while the GX800 uses SDXC cards. The S3 features dual card slots, which can be very useful in case a memory card fails. In contrast, the GX800 only has one slot. The S3 supports UHS-II cards (Ultra High Speed data transfer of up to 312 MB/s), while the GX800 can use UHS-I cards (up to 104 MB/s).

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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 S3 and Panasonic Lumix DMC-GX800 and, in particular, the interfaces the cameras (and selected comparators) provide for accessory control and data transfer.

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Input-Output Connections
# image Camera
Model
Hotshoe
Port
Internal
Mic / Speaker
Microphone
Port
Headphone
Port
HDMI
Port
USB
Port
WiFi
Support
NFC
Support
Bluetooth
Support
1.
 
Leica S3Ystereo / monoYYmini3.0Y--
2.
 
Panasonic GX800-stereo / mono--micro2.0Y--
3.
 
Leica Q2Ystereo / mono----Y-Y
4.
 
Leica M-E Typ 240Ymono / ----2.0---
5.
 
Leica M10-PY- / -----Y--
6.
 
Leica M10Y- / -----Y--
7.
 
Leica S-E Typ 006Y- / ---mini2.0---
8.
 
Leica S Typ 007Ystereo / monoYYmini3.0Y--
9.
 
Leica S Typ 006Y- / ---mini2.0---
10.
 
Leica S2Y- / ---mini2.0---
11.
 
Nikon D6Ystereo / monoYYmini3.1Y-Y
12.
 
Panasonic GF7-stereo / mono--micro2.0YY-
13.
 
Panasonic G6Ystereo / monoY-mini2.0YY-
14.
 
Panasonic GF6-stereo / mono--mini2.0YY-
15.
 
Panasonic G5Ystereo / mono--mini2.0---
16.
 
Panasonic GF5-stereo / mono--mini2.0---
17.
 
Sony RX10 IVYstereo / monoYYmicro2.0YY-
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It is notable that the S3 has a hotshoe, while the GX800 does not. This socket makes it possible to easily attach optional accessories, such as an external flash gun.

Studio photographers will appreciate that the Leica S3 (unlike the GX800) features a PC Sync socket, so that professional strobe lights can be controlled by the camera.

Travel and landscape photographers will find it useful that the S3 has an internal geolocalization sensor and can record GPS coordinates in its EXIF data.

Both the S3 and the GX800 have been discontinued, but can regularly be found used on ebay. Neither of the two has a direct successor, so they represent the end of the respective camera lines from Leica and Panasonic. Further information on the features and operation of the S3 and GX800 can be found, respectively, in the Leica S3 Manual (free pdf) or the online Panasonic GX800 Manual.

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Review summary

So what conclusions can be drawn? Is there a clear favorite between the Leica S3 and the Panasonic GX800? Which camera is better? The listing below highlights the relative strengths of the two models.

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Arguments in favor of the Leica S3:

  • More detail: Offers more megapixels (64 vs 15.8MP) with a 105% higher linear resolution.
  • Better image quality: Features a larger and more technologically advanced imaging 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 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.
  • Easier framing: Has an optical viewfinder for image composition and settings control.
  • Easier setting verification: Features an LCD display on top to control shooting parameters.
  • Faster shutter: Has higher mechanical shutter speed (1/4000s vs 1/500s) to freeze action.
  • Better sealing: Is weather sealed to enable shooting in dusty or wet environments.
  • Better lighting: Features a hotshoe and can thus hold and trigger an external flash gun.
  • Easier geotagging: Features an internal GPS sensor to log localization data.
  • Faster data transfer: Supports a more advanced USB protocol (3.0 vs 2.0).
  • Better studio light control: Has a PC Sync socket to connect to professional strobe lights.
  • Greater peace of mind: Features a second card slot as a backup in case of memory card failure.
  • Faster buffer clearing: Supports a more advanced SD data transfer standard (UHS-II vs UHS-I).
  • More prestigious: Has the Leica luxury appeal, which ensures a high resale price.
  • More modern: Is somewhat more recent (announced 1 year and 8 months after the GX800).

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Reasons to prefer the Panasonic Lumix DMC-GX800:

  • Better video: Provides higher movie framerates (4K/30p versus 4K/24p).
  • More detailed LCD: Has a higher resolution rear screen (1040k vs 922k dots).
  • More flexible LCD: Has a tilting screen for odd-angle shots in landscape orientation.
  • 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 burst: Shoots at higher frequency (10 vs 3 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 compact: Is smaller (107x65mm vs 160x120mm) and will fit more readily into a bag.
  • Less heavy: Has a lower weight (by 991g or 79 percent) and is thus easier to take along.
  • More legacy lens friendly: Can use many non-native lenses via adapters.
  • Easier fill-in: Has a small integrated flash to brighten shadows of backlit subjects.
  • More affordable: Was introduced into a lower priced category (97 percent cheaper at launch).
  • More heavily discounted: Has been on the market for longer (launched in January 2017).

If the count of relative strengths (bullet points above) is taken as a measure, the S3 is the clear winner of the match-up (19 : 14 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.

S3 19:14 GX800

How about other alternatives? Do the specifications of the Leica S3 and the Panasonic GX800 place the cameras among the top in their class? Find out in the latest Best DSLR Camera and Best Mirrorless Interchangeable Lens 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 says little about, for example, the shooting experience and imaging performance of the S3 and the GX800 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 why hands-on reviews by experts 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
# image  Camera 
 Model 
 AP 
 score 
 CL 
 score 
 DCW 
 score 
 DPR 
 score 
 EPZ 
 score 
 PB 
 score 
Camera
Launch
Launch
Price (USD)
Street
Price
1.
 
Leica S3............ Sep 2018 18,995ebay.com
2.
 
Panasonic GX800..+..76/1004.5/54.5/5 Jan 2017 549ebay.com
3.
 
Leica Q2....4.5/584/1004.5/54/5 Mar 2019 4,995 amazon.com
4.
 
Leica M-E Typ 240............ Jun 2019 3,999ebay.com
5.
 
Leica M10-P....3/5....4/5 Aug 2018 7,995ebay.com
6.
 
Leica M104.5/5......4/54.5/5 Jan 2017 6,595ebay.com
7.
 
Leica S-E Typ 006............ Sep 2014 16,900ebay.com
8.
 
Leica S Typ 0074/5.......... Sep 2014 24,490ebay.com
9.
 
Leica S Typ 006............ Sep 2012 21,950ebay.com
10.
 
Leica S2............ Sep 2008 22,995ebay.com
11.
 
Nikon D6....4/5..4.5/54.5/5 Feb 2020 6,499 amazon.com
12.
 
Panasonic GF74/5+....4.5/54.5/5 Jan 2015 499ebay.com
13.
 
Panasonic G64/5+ +....5/54.5/5 Apr 2013 599ebay.com
14.
 
Panasonic GF6..+ +....4.5/54.5/5 Apr 2013 499ebay.com
15.
 
Panasonic G53/5+ +....4.5/54.5/5 Jul 2012 599ebay.com
16.
 
Panasonic GF53/5......4.5/54.5/5 Apr 2012 499ebay.com
17.
 
Sony RX10 IV5/5+3.5/584/1004.5/55/5 Sep 2017 1,699 amazon.com
Note: (+ +) highly recommended; (+) recommended; (o) reviewed; (..) not available.
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Care should be taken when interpreting the review scores above, though. The assessments were made in relation to similar cameras of the same technological generation. A score, therefore, has to be seen in close connection to the price and market introduction time of the camera, and rating-comparisons among cameras that span long time periods or concern very differently equipped models make little sense. 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? In case you would like to check on the differences and similarities of other camera models, just use the search menu 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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    Specifications: Leica S3 vs Panasonic GX800

    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 Leica S3 Panasonic GX800
    Camera Type Digital single lens reflex Mirrorless system camera
    Camera Lens Leica S mount lenses Micro Four Thirds lenses
    Launch Date September 2018 January 2017
    Launch Price USD 18,995 USD 549
    Sensor Specs Leica S3 Panasonic GX800
    Sensor Technology CMOS CMOS
    Sensor Format Medium Format Sensor Four Thirds Sensor
    Sensor Size 45.0 x 30.0 mm 17.3 x 13.0 mm
    Sensor Area 1350 mm2 224.9 mm2
    Sensor Diagonal 54.1 mm 21.6 mm
    Crop Factor 0.8x 2.0x
    Sensor Resolution 64 Megapixels 15.8 Megapixels
    Image Resolution 9800 x 6533 pixels 4592 x 3448 pixels
    Pixel Pitch 4.59 μm 3.77 μm
    Pixel Density 4.74 MP/cm2 7.04 MP/cm2
    Moiré control no AA filter no AA filter
    Movie Capability 4K/24p Video 4K/30p Video
    ISO Setting 100 - 50,000 ISO 200 - 25,600 ISO
    ISO Boost no Enhancement 100 - 25,600 ISO
    Image Processor Maestro II Venus
    DXO Sensor Quality (score) .. 73
    DXO Color Depth (bits) .. 23.2
    DXO Dynamic Range (EV) .. 13.3
    DXO Low Light (ISO) .. 586
    Screen Specs Leica S3 Panasonic GX800
    Viewfinder Type Optical viewfinder no viewfinder
    Viewfinder Field of View 98%
    Viewfinder Magnification 0.87x
    Top-Level Screen Control Panel no Top Display
    LCD Framing Live View Live View
    Rear LCD Size 3.0inch 3.0inch
    LCD Resolution 922k dots 1040k dots
    LCD Attachment Fixed screen Tilting screen
    Touch Input no Touchscreen Touchscreen
    Shooting Specs Leica S3 Panasonic GX800
    Focus System Phase-detect AF Contrast-detect AF
    Manual Focusing AidFocus PeakingFocus Peaking
    Max Shutter Speed (mechanical) 1/4000s 1/500s
    Continuous Shooting 3 shutter flaps/s 10 shutter flaps/s
    Electronic Shutterno E-Shutterup to 1/16000s
    Time-Lapse Photographyno IntervalometerIntervalometer built-in
    Fill Flash no On-Board Flash Built-in Flash
    Storage Medium CF or SDXC cards SDXC cards
    Single or Dual Card Slots Dual card slots Single card slot
    UHS card support UHS-II UHS-I
    Connectivity Specs Leica S3 Panasonic GX800
    External Flash Hotshoe no Hotshoe
    Studio Flash PC Sync socket no PC Sync
    USB Connector USB 3.0 USB 2.0
    HDMI Port mini HDMI micro HDMI
    Microphone Port External MIC port no MIC socket
    Headphone Socket Headphone port no Headphone port
    Wifi Support Wifi built-in Wifi built-in
    Geotagging GPS built-in no internal GPS
    Body Specs Leica S3 Panasonic GX800
    Environmental SealingWeathersealed bodynot weather sealed
    Battery Type Leica BP-PRO1 Panasonic DMW-BLH7
    Body Dimensions 160 x 120 x 80 mm
    (6.3 x 4.7 x 3.1 in)
    107 x 65 x 33 mm
    (4.2 x 2.6 x 1.3 in)
    Camera Weight 1260 g (44.4 oz) 269 g (9.5 oz)
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    Check S3 offers at
    ebay.com
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    Check GX800 offers at
    ebay.com

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