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Panasonic G9 versus Leica SL

The Panasonic Lumix DC-G9 and the Leica SL (Typ 601) are two enthusiast cameras that were revealed to the public, respectively, in November 2017 and October 2015. Both the G9 and the SL are mirrorless interchangeable lens cameras that are based on a Four Thirds (G9) and a full frame (SL) sensor. The Panasonic has a resolution of 20.2 megapixel, whereas the Leica provides 24 MP. Read on to find out how these two cameras compare with respect to their size, their sensors, their features, and their reception by expert reviewers.

Body comparison: Panasonic G9 vs Leica SL

The physical size and weight of the Panasonic G9 and the Leica SL are illustrated 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 size dimensions are rounded to the nearest millimeter. You can also use the toggle button to switch to a percentage comparison if you prefer that the measures are being expressed in relative terms (in this case, the camera on the left side – the G9 – represents the basis for the calculations across all the size and weight measures).

Compare Panasonic G9 vs Leica SL
Compare G9 versus SL top
Compare G9 and SL rear

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Leica SL is notably larger (15 percent) than the Panasonic G9. Moreover, the SL is markedly heavier (29 percent) than the G9. In this context, it is worth noting that both cameras are splash and dust-proof and can, hence, be used in inclement weather conditions or harsh environments.

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 the specifications of available lenses in order to get the full picture of the size and weight of the two camera systems.

The following table provides a synthesis of the main physical specifications of the two cameras and other similar ones. If you would like to visualize and compare a different camera combination, just use the right or left arrows in the table to switch to the respective camera. Alternatively, you can also navigate to the CAM-parator app and make your selection from the full list of cameras there.

Camera Body Specifications
  Camera
Model
Camera
Width
Camera
Height
Camera
Depth
Camera
Weight
Battery
Life
(CIPA)
Weather
Sealing
(yes/no)
Camera
Launch
(announced)
Launch
Price
(USD)
Street
Price
(USD)
Used
Price
(USD)
Camera
Model
Panasonic G9» 5.4 in 3.8 in 3.6 in 23.2 oz 400 Y Nov 2017 1,699 i i Panasonic G9
Leica SL« 5.8 in 4.1 in 1.5 in 29.9 oz 400 Y Oct 2015 7,450 i i Leica SL
Canon 1D X Mark II« » 6.2 in 6.6 in 3.3 in 54.0 oz 1210 Y Feb 2016 5,999 i i Canon 1D X Mark II
Canon 80D« » 5.5 in 4.1 in 3.1 in 25.8 oz 960 Y Feb 2016 1,199 i i Canon 80D
Canon 5DS« » 6.0 in 4.6 in 3.0 in 32.8 oz 700 Y Feb 2015 3,699 i i Canon 5DS
Fujifilm X-H1« » 5.5 in 3.8 in 3.4 in 23.7 oz 310 Y Feb 2018 1,899 i i Fujifilm X-H1
Leica M10« » 5.5 in 3.1 in 1.5 in 23.3 oz 210 n Jan 2017 6,595 i i Leica M10
Leica M Typ 240« » 5.5 in 3.1 in 1.7 in 24.0 oz .. Y Sep 2012 6,950- i Leica M Typ 240
Nikon Z6« » 5.3 in 4.0 in 2.6 in 23.8 oz 310 Y Aug 2018 1,999 i i Nikon Z6
Olympus E-M1 II« » 5.3 in 3.6 in 2.6 in 20.2 oz 440 Y Sep 2016 1,999 i i Olympus E-M1 II
Panasonic GH5s« » 5.5 in 3.9 in 3.4 in 23.3 oz 440 Y Jan 2018 2,499 i i Panasonic GH5s
Panasonic GX9« » 4.9 in 2.8 in 1.9 in 14.4 oz 260 n Feb 2018 849 i i Panasonic GX9
Panasonic GH5« » 5.5 in 3.9 in 3.4 in 25.6 oz 410 Y Jan 2017 1,999 i i Panasonic GH5
Panasonic G85« » 5.0 in 3.5 in 2.9 in 17.8 oz 330 Y Sep 2016 899 i i Panasonic G85
Panasonic GX8« » 5.2 in 3.1 in 2.5 in 17.2 oz 330 Y Jul 2015 1,199- i Panasonic GX8
Panasonic GH4« » 5.2 in 3.7 in 3.3 in 19.8 oz 500 Y Feb 2014 1,499- i Panasonic GH4
Sony A7 III« » 5.0 in 3.8 in 2.9 in 22.9 oz 610 Y Feb 2018 1,999 i i Sony A7 III

Any camera purchase 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 G9 was launched at a markedly lower price (by 77 percent) than the SL, 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: Panasonic G9 vs Leica SL

The size of the sensor inside a digital camera is one of the key determinants 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 tend to be associated with larger, more expensive camera bodies and lenses.

Of the two cameras under consideration, the Panasonic G9 features a Four Thirds sensor and the Leica SL a full frame sensor. The sensor area in the SL is 284 percent bigger. As a result of these sensor size differences, the cameras have a format factor of, respectively, 2.0 and 1.0. The sensor in the G9 has a native 4:3 aspect ratio, while the one in the SL offers a 3:2 aspect.

Panasonic G9 and Leica SL sensor measures

With 24MP, the SL offers a higher resolution than the G9 (20.2MP), but the SL nevertheless has larger individual pixels (pixel pitch of 6.00μm versus 3.34μm for the G9) due to its larger sensor. However, the G9 is a much more recent model (by 2 years) than the SL, 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 neither of the two cameras has an anti-alias filter installed, so they are able to capture all the detail the sensor resolves.

Unlike the SL, the G9 has the capacity to capture high quality composite images (80.6MP) by combining multiple shots after shifting its sensor by miniscule distances. This multi-shot, pixel-shift mode is most suitable for photography of stationary objects (landscapes, studio scenes).

G9 versus SL MP

Consistent information on actual sensor performance is available from DXO Mark for many cameras. This service assesses and scores the color depth ("DXO Portrait"), dynamic range ("DXO Landscape"), and low-light sensitivity ("DXO Sports") of camera sensors, and also publishes an overall camera score. 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
Camera
Model
Panasonic G9» Four Thirds 20.2 5184 38884K/60p----Panasonic G9
Leica SL« Full Frame 24.0 6000 40004K/30p25.013.4182188Leica SL
Canon 1D X Mark II« » Full Frame 20.0 5472 36484K/60p24.113.5320788Canon 1D X Mark II
Canon 80D« » APS-C 24.0 6000 40001080/60p23.613.2113579Canon 80D
Canon 5DS« » Full Frame 50.3 8688 57921080/60p24.712.4238187Canon 5DS
Fujifilm X-H1« » APS-C 24.0 6000 40004K/30p----Fujifilm X-H1
Leica M10« » Full Frame 23.8 5952 3992-24.413.2213386Leica M10
Leica M Typ 240« » Full Frame 23.7 5952 39761080/25p24.013.3186084Leica M Typ 240
Nikon Z6« » Full Frame 24.3 6048 40244K/30p----Nikon Z6
Olympus E-M1 II« » Four Thirds 20.2 5184 38884K/30p23.712.8131280Olympus E-M1 II
Panasonic GH5s« » Four Thirds 9.9 3680 27004K/60p----Panasonic GH5s
Panasonic GX9« » Four Thirds 20.2 5184 38884K/30p----Panasonic GX9
Panasonic GH5« » Four Thirds 20.2 5184 38884K/60p23.913.080777Panasonic GH5
Panasonic G85« » Four Thirds 15.8 4592 34484K/30p22.812.565671Panasonic G85
Panasonic GX8« » Four Thirds 20.2 5184 38884K/30p23.512.680675Panasonic GX8
Panasonic GH4« » Four Thirds 15.9 4608 34564K/30p23.212.879174Panasonic GH4
Sony A7 III« » Full Frame 24.0 6000 40004K/30p25.014.7373096Sony A7 III

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 G9 provides a higher frame rate than the SL. It can shoot video footage at 4K/60p, while the Leica is limited to 4K/30p.

 

Feature comparison: Panasonic G9 vs Leica SL

Apart from body and sensor, cameras can and do differ across a variety of features. The two cameras under review are similar with respect to both having an electronic viewfinder. However, the one in the SL offers a higher resolution than the one in the G9 (4400k vs 3680k dots). The table below summarizes some of the other core capabilities of the Panasonic G9 and Leica SL in connection with corresponding information for a sample of similar cameras. The full specs-sheets can be found in the camera manual or in the dpreview camera hub.

Core Features
  Camera
Model
Viewfinder
(Type or
'000 dots)
Control
Panel
(yes/no)
LCD
Size
(inch)
LCD
Resolution
('000 dots)
LCD
Attach-
ment
Touch
Screen
(yes/no)
Shutter
speed
(1/sec)
Shutter
flaps
(1/sec)
Build-in
Flash
(yes/no)
Build-in
Image
Stab
Camera
Model
Panasonic G9»3680 Y 3.0 1040 swivel Y 8000 20.0 n Y Panasonic G9
Leica SL«4400 Y 3.0 1040 fixed Y 8000 11.0 n n Leica SL
Canon 1D X Mark II« »optical Y 3.2 1620 fixed Y 8000 16.0 n n Canon 1D X Mark II
Canon 80D« »optical Y 3.0 1040 swivel Y 8000 7.0 Y n Canon 80D
Canon 5DS« »optical Y 3.2 1040 fixed n 8000 5.0 n n Canon 5DS
Fujifilm X-H1« »3690 Y 3.0 1040 full-flex Y 8000 14.0 n Y Fujifilm X-H1
Leica M10« »optical n 3.0 1037 fixed n 4000 5.0 n n Leica M10
Leica M Typ 240« »optical n 3.0 920 fixed n 4000 3.0 n n Leica M Typ 240
Nikon Z6« »3690 Y 3.2 2100 tilting Y 8000 12.0 n Y Nikon Z6
Olympus E-M1 II« »2360 n 3.0 1037 swivel Y 8000 18.0 n Y Olympus E-M1 II
Panasonic GH5s« »3680 n 3.2 1620 swivel Y 8000 12.0 n n Panasonic GH5s
Panasonic GX9« »2760 n 3.0 1240 tilting Y 4000 9.0 Y Y Panasonic GX9
Panasonic GH5« »3680 n 3.2 1620 swivel Y 8000 12.0 n Y Panasonic GH5
Panasonic G85« »2360 n 3.0 1040 swivel Y 4000 9.0 Y Y Panasonic G85
Panasonic GX8« »2360 n 3.0 1040 swivel Y 8000 10.0 n Y Panasonic GX8
Panasonic GH4« »2359 n 3.0 1036 swivel Y 8000 12.0 Y n Panasonic GH4
Sony A7 III« »2359 n 3.0 922 tilting Y 8000 10.0 n Y Sony A7 III

One feature that differentiates the G9 and the SL is in-body image stabilization (IBIS). The G9 reduces the risk of handshake-induced blur with all attached lenses, while the SL has to rely on optical image stabilization in OIS-equipped lenses to achieve the same effect.

The reported shutter speed and shutter burst refer to the use of the mechanical shutter. In addition, the G9 features an electronic shutter, which makes completely silent shooting possible. However, this mode is less suitable for photographing moving objects (rolling shutter) or shooting under artificial light sources (flickering).

Both the G9 and the SL write their imaging data to SDXC cards. Both cameras feature dual card slots, which can be very useful in case a memory card fails.

Input-Output Connections
  Camera
Model
Hotshoe
Port
Internal
Microphone
Internal
Speaker
Microphone
Port
Headphone
Port
HDMI
Port
USB
Type
WiFi
Support
NFC
Support
Bluetooth
Support
Camera
Model
Panasonic G9»YstereomonoYYfull3.0Y-YPanasonic G9
Leica SL«YstereomonoYYfull3.0Y--Leica SL
Canon 1D X Mark II« »YmonomonoYYmini3.0---Canon 1D X Mark II
Canon 80D« »YstereomonoYYmini2.0YY-Canon 80D
Canon 5DS« »YmonomonoY-mini3.0---Canon 5DS
Fujifilm X-H1« »YstereomonoY-micro3.0Y--Fujifilm X-H1
Leica M10« »Y------Y--Leica M10
Leica M Typ 240« »Ystereomono---2.0Y--Leica M Typ 240
Nikon Z6« »YstereomonoYYmicro3.1Y-YNikon Z6
Olympus E-M1 II« »YstereomonoYYmicro3.0Y--Olympus E-M1 II
Panasonic GH5s« »YstereomonoYYfull3.1Y-YPanasonic GH5s
Panasonic GX9« »Ystereomono--micro2.0Y-YPanasonic GX9
Panasonic GH5« »YstereomonoYYfull3.1Y-YPanasonic GH5
Panasonic G85« »YstereomonoY-micro2.0Y--Panasonic G85
Panasonic GX8« »YstereomonoY-micro2.0YY-Panasonic GX8
Panasonic GH4« »YstereomonoYYmicro2.0YY-Panasonic GH4
Sony A7 III« »YstereomonoYYmicro3.1YYYSony A7 III

Both the G9 and the SL are current models that good online retailers will have in stock. You can check the latest prices, for example, at amazon. The G9 replaced the earlier Panasonic G85, while the SL does not have a direct predecessor.

Review summary: Panasonic G9 vs Leica SL

So what conclusions can be drawn? Is the Panasonic G9 better than the Leica SL or vice versa? A synthesis of the relative strong points of each of the models is listed below.

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Reasons to prefer the Panasonic Lumix DC-G9:

  • High quality composites: Can combine several shots after pixel-shifting its sensor.
  • Better video: Provides higher movie framerates (4K/60p versus 4K/30p).
  • More flexible LCD: Has swivel screen for odd-angle shots in portrait or landscape orientation.
  • Faster burst: Shoots at higher frequency (20 vs 11 flaps/sec) to capture the decisive moment.
  • Less disturbing: Has an electronic shutter option for completely silent shooting.
  • More compact: Is smaller (137x97mm vs 147x104mm) and thus needs less room in the bag.
  • Less heavy: Is lighter (by 189g or 22 percent) and hence easier to carry around.
  • Sharper images: Has hand-shake reducing image stabilization build-in.
  • Easier wireless transfer: Supports Bluetooth for image sharing without cables.
  • More affordable: Was introduced into a lower priced category (77 percent cheaper at launch).
  • More modern: Reflects 2 years of technical progress since the SL launch.

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Advantages of the Leica SL (Typ 601):

  • More detail: Has more megapixels (24 vs 20.2MP), which boosts linear resolution by 11%.
  • Better image quality: Features bigger pixels on a larger sensor for higher quality imaging.
  • Richer colors: Larger pixels generate images with better, more accurate colors.
  • More dynamic range: Capable of capturing a wider spectrum of light and dark details.
  • Better low-light sensitivity: Can be used in poorly lit environments and still produce good images.
  • More detailed viewfinder: Has higher resolution electronic viewfinder (4400k vs 3680k dots).
  • More prestigious: Has the Leica luxury appeal, which ensures a high resale value.
  • More heavily discounted: Has been around for much longer (launched in October 2015).

If the number of relative strengths (bullet points above) is taken as a guide, the G9 emerges as the winner of the contest (11 : 8 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.

G9 11:08 SL

In any case, while the specs-based evaluation of cameras is instructive in revealing their potential as photographic tools, it says nothing about, for example, the handling, responsiveness, and overall imaging quality of the G9 and the SL 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. This is why hands-on reviews by experts are important. The adjacent table relays the overall verdicts of several of the most popular camera review sites (cameralabs, dpreview, ephotozine, imaging-resource, photographyblog). The detailed reviews can be accessed by clicking on the site logo in the table header.

Review Scores
  Camera
Model
cameralabs dpreview ephotozine imaging-resource photographyblog Camera
Launch
(announced)
Launch
Price
(USD)
Street
Price
(USD)
Used
Price
(USD)
Camera
Model
Panasonic G9»HiRec85/1005/55/55/5 Nov 2017 1,699 i i Panasonic G9
Leica SL«-84/1004.5/54/54/5 Oct 2015 7,450 i i Leica SL
Canon 1D X Mark II« »-89/1004.5/55/54.5/5 Feb 2016 5,999 i i Canon 1D X Mark II
Canon 80D« »HiRec84/1004.5/54.5/54.5/5 Feb 2016 1,199 i i Canon 80D
Canon 5DS« »Rec83/1004.5/55/54.5/5 Feb 2015 3,699 i i Canon 5DS
Fujifilm X-H1« »Rec86/1004.5/5-4.5/5 Feb 2018 1,899 i i Fujifilm X-H1
Leica M10« »--4/5-4.5/5 Jan 2017 6,595 i i Leica M10
Leica M Typ 240« »--4/5-- Sep 2012 6,950- i Leica M Typ 240
Nikon Z6« »----- Aug 2018 1,999 i i Nikon Z6
Olympus E-M1 II« »HiRec85/1004.5/55/54.5/5 Sep 2016 1,999 i i Olympus E-M1 II
Panasonic GH5s« »-84/1004.5/5-4.5/5 Jan 2018 2,499 i i Panasonic GH5s
Panasonic GX9« »Rec84/1004.5/5-4.5/5 Feb 2018 849 i i Panasonic GX9
Panasonic GH5« »HiRec85/1004.5/55/55/5 Jan 2017 1,999 i i Panasonic GH5
Panasonic G85« »HiRec84/1005/54.5/54.5/5 Sep 2016 899 i i Panasonic G85
Panasonic GX8« »Rec82/1004.5/55/54.5/5 Jul 2015 1,199- i Panasonic GX8
Panasonic GH4« »HiRec85/1005/55/55/5 Feb 2014 1,499- i Panasonic GH4
Sony A7 III« »HiRec89/1005/55/55/5 Feb 2018 1,999 i i Sony A7 III

The review scores listed above should be treated with care, though. The ratings are only valid when referring to cameras in the same category and of the same age. Thus, a score needs to be put into the context of the launch date and the launch price 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.

 

Other camera comparisons

Did this review help to inform your camera decision process? In case you are interested in seeing how other cameras pair up, just make a corresponding selection in the search boxes below. There is also a set of direct links to comparison reviews that other users of the CAM-parator app explored. If you cannot find the camera you are interested in, please send me an email, and I will try to update the database with the necessary infos.

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