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Leica D-LUX Typ 109 versus Sony RX100 IV

The Leica D-LUX (Typ 109) and the Sony Cyber-shot DSC-RX100 IV are two digital cameras that were officially introduced, respectively, in September 2014 and June 2015. Both the D-LUX Typ 109 and the RX100 IV are fixed lens compact cameras that are based on a Four Thirds (D-LUX Typ 109) and an one-inch (RX100 IV) sensor. The Leica has a resolution of 12.7 megapixel, whereas the Sony provides 20 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: Leica D-LUX Typ 109 vs Sony RX100 IV

An illustration of the physical size and weight of the Leica D-LUX Typ 109 and the Sony RX100 IV is provided in the side-by-side display below. The two cameras are presented according to their relative size. Three consecutive perspectives from the front, the top, and the back are available. All width, height and depth measures 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 – the D-LUX Typ 109 – represents 100 percent across all the size and weight measures).

Compare Leica D-LUX Typ 109 vs Sony RX100 IV
Compare D-LUX Typ 109 versus RX100 IV top
Compare D-LUX Typ 109 and RX100 IV rear

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Sony RX100 IV is notably smaller (24 percent) than the Leica D-LUX Typ 109. Moreover, the RX100 IV is markedly lighter (26 percent) than the D-LUX Typ 109. In this context, it is worth noting that neither the D-LUX Typ 109 nor the RX100 IV are weather-sealed.

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
Leica D-LUX Typ 109» 4.6 in 2.6 in 2.2 in 14.3 oz 300 n Sep 2014 1,195 i i Leica D-LUX Typ 109
Sony RX100 IV« 4.0 in 2.3 in 1.6 in 10.5 oz 280 n Jun 2015 999- i Sony RX100 IV
Canon G7 X« » 4.1 in 2.4 in 1.6 in 10.7 oz 210 n Sep 2014 699- i Canon G7 X
Canon G16« » 4.3 in 3.0 in 1.6 in 12.6 oz 360 n Aug 2013 549 i i Canon G16
Fujifilm X100T« » 5.0 in 2.9 in 2.0 in 15.5 oz 330 n Sep 2014 1,299- i Fujifilm X100T
Fujifilm X30« » 4.7 in 2.8 in 2.4 in 14.9 oz 470 n Aug 2014 599 i i Fujifilm X30
Fujifilm X100S« » 5.0 in 2.9 in 2.1 in 15.7 oz 330 n Jan 2013 1,299- i Fujifilm X100S
Fujifilm X20« » 4.6 in 2.8 in 2.2 in 12.5 oz 270 n Jan 2013 599- i Fujifilm X20
Fujifilm X100« » 5.0 in 3.0 in 2.1 in 15.7 oz 300 n Sep 2010 1,199- i Fujifilm X100
Leica V-LUX Typ 114« » 5.4 in 3.9 in 5.2 in 29.3 oz 360 n Sep 2014 1,349 i i Leica V-LUX Typ 114
Leica X Typ 113« » 5.2 in 2.9 in 3.1 in 17.1 oz 350 n Sep 2014 2,295 i i Leica X Typ 113
Leica D-LUX 6« » 4.4 in 2.7 in 1.8 in 10.5 oz 330 n Sep 2012 699- i Leica D-LUX 6
Panasonic FZ1000« » 5.4 in 3.9 in 5.2 in 29.3 oz 360 n Jun 2014 899- i Panasonic FZ1000
Panasonic LX100« » 4.5 in 2.6 in 2.2 in 13.9 oz 300 n Sep 2014 899 i i Panasonic LX100
Sony RX100 V« » 4.0 in 2.3 in 1.6 in 10.5 oz 220 n Oct 2016 999 i i Sony RX100 V
Sony A6000« » 4.7 in 2.6 in 1.8 in 12.1 oz 360 n Feb 2014 599- i Sony A6000
Sony RX100 II« » 4.0 in 2.3 in 1.5 in 9.9 oz 350 n Jun 2013 749- i Sony RX100 II

The price is, of course, an important factor in any camera decision. The listed launch prices provide an indication of the market segment that the manufacturer of the cameras have been targeting. The RX100 IV was launched at a somewhat lower price (by 16 percent) than the D-LUX Typ 109, which makes it more attractive for photographers on a tight budget. 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: Leica D-LUX Typ 109 vs Sony RX100 IV

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. 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 D-LUX Typ 109 features a Four Thirds sensor and the Sony RX100 IV an one-inch sensor. The sensor area in the RX100 IV is 48 percent smaller. As a result of these sensor size differences, the cameras have a format factor of, respectively, 2.0 and 2.7. The sensor in the D-LUX Typ 109 has a native 4:3 aspect ratio, while the one in the RX100 IV offers a 3:2 aspect.

Leica D-LUX Typ 109 and Sony RX100 IV sensor measures

Despite having a smaller sensor, the RX100 IV offers a higher resolution of 20 megapixel, compared with 12.7 MP of the D-LUX Typ 109. This megapixel advantage comes at the cost of a higher pixel density and a smaller size of the individual pixel (with a pixel pitch of 2.41μm versus 4.21μm for the D-LUX Typ 109). However, it should be noted that the RX100 IV is a somewhat more recent model (by 8 months) than the D-LUX Typ 109, and its sensor might have benefitted from technological advances during this time that partly offset its pixel-size disadvantage.

D-LUX Typ 109 versus RX100 IV MP

Since 2007, DXO Mark has published sensor performance measurements that have been derived using a consistent methodology. 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 adjacent table reports on the physical sensor characteristics and the outcomes of the DXO sensor quality tests for a sample of comparator-cameras.

Sensor Characteristics
  Camera
Model
Sensor
Class
Resolution
(MP)
Horiz.
Pixels
Vert.
Pixels
Video
Format
DXO
Portrait
DXO
Landscape
DXO
Sports
DXO
Overall
Camera
Model
Leica D-LUX Typ 109» Four Thirds 12.7 4112 30884K/30p----Leica D-LUX Typ 109
Sony RX100 IV« 1-inch 20.0 5472 36484K/30p22.812.659170Sony RX100 IV
Canon G7 X« » 1-inch 20.0 5472 36481080/60p23.012.755671Canon G7 X
Canon G16« » 1/1.7 12.0 4000 30001080/60p21.011.723054Canon G16
Fujifilm X100T« » APS-C 16.0 4896 32641080/60p----Fujifilm X100T
Fujifilm X30« » 2/3 12.0 4000 30001080/60p----Fujifilm X30
Fujifilm X100S« » APS-C 16.0 4896 32641080/60p----Fujifilm X100S
Fujifilm X20« » 2/3 12.0 4000 30001080/60p----Fujifilm X20
Fujifilm X100« » APS-C 12.2 4288 2848720/30p22.912.4100173Fujifilm X100
Leica V-LUX Typ 114« » 1-inch 20.0 5472 36484K/30p----Leica V-LUX Typ 114
Leica X Typ 113« » APS-C 16.1 4928 32641080/30p----Leica X Typ 113
Leica D-LUX 6« » 1/1.7 10.0 3648 27361080/60p----Leica D-LUX 6
Panasonic FZ1000« » 1-inch 20.0 5472 36484K/30p22.111.751764Panasonic FZ1000
Panasonic LX100« » Four Thirds 12.7 4112 30884K/30p22.312.555367Panasonic LX100
Sony RX100 V« » 1-inch 20.0 5472 36484K/30p22.812.458670Sony RX100 V
Sony A6000« » APS-C 24.0 6000 40001080/60p24.113.1134782Sony A6000
Sony RX100 II« » 1-inch 20.0 5472 36481080/60p22.512.448367Sony RX100 II

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, and both provide the same movie specifications (4K/30p).

 

Feature comparison: Leica D-LUX Typ 109 vs Sony RX100 IV

Apart from body and sensor, cameras can and do differ across a range of features. The two cameras under consideration are similar with respect to both having an electronic viewfinder. However, the one in the D-LUX Typ 109 offers a higher resolution than the one in the RX100 IV (2764k vs 2359k dots). The following table reports on some other key feature differences and similarities of the Leica D-LUX Typ 109, the Sony RX100 IV, and comparable cameras. If you need more detail on the specs, you can find comprehensive listings, for example, 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
Leica D-LUX Typ 109»2764 n 3.0 921 fixed n 4000 11.0 n Y Leica D-LUX Typ 109
Sony RX100 IV«2359 n 3.0 1228 tilting n 2000 16.0 Y Y Sony RX100 IV
Canon G7 X« »- n 3.0 1040 tilting Y 2000 6.5 Y Y Canon G7 X
Canon G16« »optical n 3.0 922 fixed n 4000 2.2 Y Y Canon G16
Fujifilm X100T« »2360 n 3.0 1040 fixed n 4000 6.0 Y n Fujifilm X100T
Fujifilm X30« »2360 n 3.0 920 tilting n 4000 12.0 Y Y Fujifilm X30
Fujifilm X100S« »2360 n 2.8 460 fixed n 4000 6.0 Y n Fujifilm X100S
Fujifilm X20« »optical n 2.8 460 fixed n 4000 12.0 Y Y Fujifilm X20
Fujifilm X100« »1440 n 2.8 460 fixed n 4000 5.0 Y n Fujifilm X100
Leica V-LUX Typ 114« »2359 n 3.0 921 swivel n 4000 12.0 Y Y Leica V-LUX Typ 114
Leica X Typ 113« »- n 3.0 920 fixed n 2000 5.0 Y n Leica X Typ 113
Leica D-LUX 6« »- n 3.0 920 fixed n 4000 11.0 Y Y Leica D-LUX 6
Panasonic FZ1000« »2359 n 3.0 921 swivel n 4000 12.0 Y Y Panasonic FZ1000
Panasonic LX100« »2764 n 3.0 921 fixed n 4000 11.0 n Y Panasonic LX100
Sony RX100 V« »2359 n 3.0 1229 tilting n 2000 24.0 Y Y Sony RX100 V
Sony A6000« »1440 n 3.0 922 tilting n 4000 11.0 Y n Sony A6000
Sony RX100 II« »- n 3.0 1229 tilting n 2000 10.0 Y Y Sony RX100 II

The reported shutter speed and shutter burst refer to the use of the mechanical shutter. In addition, the RX100 IV features an electronic shutter, which makes silent shooting and higher burst speeds possible. However, this mode is less suitable for photographing moving objects (rolling shutter) or shooting under artificial light sources (flickering).

Both the D-LUX Typ 109 and the RX100 IV have zoom lenses build in. The D-LUX Typ 109 has a 24-75mm f/1.7-2.8 optic and the RX100 IV offers a 24-70mm f/1.8-2.8 (focal lengths in full frame equivalent terms). Hence, the Leica and Sony provide the same view at the wide-angle end, but the Sony has less tele-photo reach at the long end. The D-LUX Typ 109 offers the faster maximum aperture.

The D-LUX Typ 109 is a current model that online retailers, such as amazon, will have in stock. In contrast, the RX100 IV has been discontinued (but it can be found pre-owned on eBay). As a replacement in the same line of cameras, the RX100 IV was succeeded by the Sony RX100 IV.

Review summary: Leica D-LUX Typ 109 vs Sony RX100 IV

So what conclusions can be drawn? Is there a clear favorite between the Leica D-LUX Typ 109 and the Sony RX100 IV? A synthesis of the relative strong points of each of the models is listed below.

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Reasons to prefer the Leica D-LUX (Typ 109):

  • Better low-light imaging: Features bigger pixels on a larger sensor for better high-ISO images.
  • More detailed viewfinder: Has higher resolution electronic viewfinder (2764k vs 2359k dots).
  • Faster shutter: Has higher mechanical shutter speed (4000/sec vs 2000/sec) to freeze action.
  • Better light gathering: Has a lens with a wider maximum aperture (f/1.7 vs f/1.8).
  • More tele-reach: Has a longer tele-lens for perspective compression and subject magnification.
  • More prestigious: Has the Leica luxury appeal, which ensures a high resale price.
  • More heavily discounted: Has been on the market for longer (launched in September 2014).

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Arguments in favor of the Sony Cyber-shot DSC-RX100 IV:

  • More detail: Has more megapixels (20 vs 12.7MP), which boosts linear resolution by 28%.
  • More detailed LCD: Has a higher resolution rear screen (1228k vs 921k dots).
  • More flexible LCD: Has a tilting screen for odd-angle shots in landscape orientation.
  • Faster burst: Shoots at higher frequency (16 vs 11 flaps/sec) to capture the decisive moment.
  • Less disturbing: Has an electronic shutter option for completely silent shooting.
  • More compact: Is smaller (102x58mm vs 118x66mm) and will fit more readily into a bag.
  • Less heavy: Has a lower weight (by 107g or 26 percent) and is thus easier to take along.
  • Easier fill-in: Has a small integrated flash to brighten shadows of backlit subjects.
  • More affordable: Was released into a lower priced segment (16 percent cheaper at launch).
  • More modern: Was introduced somewhat (8 months) more recently.

If the count of individual advantages (bullet points above) is taken as a guide, the RX100 IV emerges as the winner of the match-up (10 : 7 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.

D-LUX Typ 109 07:10 RX100 IV

In any case, while the specs-based evaluation of cameras is instructive in revealing their potential as photographic tools, it remains incomplete and does no justice, for example, to the way the D-LUX Typ 109 or the RX100 IV handle or 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. This is where reviews by experts come in. The following table reports the overall rankings of the cameras as published by some of the major camera review sites (cameralabs, dpreview, ephotozine, imaging-resource, photographyblog). You can find the full text of the reviews 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
Leica D-LUX Typ 109»--4.5/5-4.5/5 Sep 2014 1,195 i i Leica D-LUX Typ 109
Sony RX100 IV«HiRec85/1004/54.5/54.5/5 Jun 2015 999- i Sony RX100 IV
Canon G7 X« »HiRec77/1004.5/53.5/54.5/5 Sep 2014 699- i Canon G7 X
Canon G16« »Rec-4.5/54.5/54.5/5 Aug 2013 549 i i Canon G16
Fujifilm X100T« »Rec81/1004.5/54.5/55/5 Sep 2014 1,299- i Fujifilm X100T
Fujifilm X30« »-76/1004.5/54/54.5/5 Aug 2014 599 i i Fujifilm X30
Fujifilm X100S« »HiRec81/1004.5/54/55/5 Jan 2013 1,299- i Fujifilm X100S
Fujifilm X20« »HiRec77/1004.5/5-5/5 Jan 2013 599- i Fujifilm X20
Fujifilm X100« »-75/1004/54/55/5 Sep 2010 1,199- i Fujifilm X100
Leica V-LUX Typ 114« »----5/5 Sep 2014 1,349 i i Leica V-LUX Typ 114
Leica X Typ 113« »--3.5/5-4/5 Sep 2014 2,295 i i Leica X Typ 113
Leica D-LUX 6« »--4/5-4/5 Sep 2012 699- i Leica D-LUX 6
Panasonic FZ1000« »HiRec82/1004.5/54.5/54.5/5 Jun 2014 899- i Panasonic FZ1000
Panasonic LX100« »HiRec85/1005/54/55/5 Sep 2014 899 i i Panasonic LX100
Sony RX100 V« »HiRec83/1004/55/54.5/5 Oct 2016 999 i i Sony RX100 V
Sony A6000« »Rec80/1004.5/55/55/5 Feb 2014 599- i Sony A6000
Sony RX100 II« »HiRec79/1004.5/55/54.5/5 Jun 2013 749- i Sony RX100 II

The review scores listed above should be treated with care, though. The ratings are only valid when refering 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 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.

 

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 make your choice using the following search menu. Alternatively, you can follow any of the listed hyperlinks for comparisons that others found interesting. If you cannot find the camera you are interested in, please send me an email, and I will try to locate and add the respective data to the application.

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