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Sony RX100 V versus Panasonic G9

The Sony Cyber-shot DSC-RX100 V and the Panasonic Lumix DC-G9 are two digital cameras that were officially introduced, respectively, in October 2016 and November 2017. The RX100 V is a fixed lens compact, while the G9 is a mirrorless interchangeable lens camera. The cameras are based on an one-inch (RX100 V) and a Four Thirds (G9) sensor. The Sony has a resolution of 20 megapixel, whereas the Panasonic provides 20.2 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: Sony RX100 V vs Panasonic G9

The side-by-side display below illustrates the physical size and weight of the Sony RX100 V and the Panasonic G9. 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. 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 RX100 V – represents the basis for the calculations across all the size and weight measures).

Compare Sony RX100 V vs Panasonic G9
Compare RX100 V versus G9 top
Compare RX100 V and G9 rear

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Panasonic G9 is considerably larger (125 percent) than the Sony RX100 V. It is noteworthy in this context that the G9 is splash and dust-proof, while the RX100 V does not feature any corresponding weather-sealing.

The above size and weight comparisons are to some extent incomplete and possibly misleading, as the RX100 V has a lens build in, whereas the G9 is an interchangeable lens camera that requires a separate lens. Attaching the latter will add extra weight and bulk to the setup. You can find an overview of optics for the G9 and their specifications in the Micro Four Thirds Lens Catalog.

Concerning battery life, the RX100 V gets 220 shots out of its NP-BX1 battery, while the G9 can take 400 images on a single charge of its DMW-BLF19 power pack.

The table below summarizes the key physical specs of the two cameras alongside a broader set of comparators. If you want to switch the focus of the display and review another camera pair, just select a new right or left comparator from among the camera models in the table. Alternatively, you can also move across to the CAM-parator tool and choose from the broad selection of possible camera comparisons 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
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
Panasonic G9« 5.4 in 3.8 in 3.6 in 23.2 oz 400 Y Nov 2017 1,699 i i Panasonic G9
Canon G7 X Mark II« » 4.2 in 2.4 in 1.7 in 11.3 oz 265 n Feb 2016 699 i i Canon G7 X Mark II
Canon G3 X« » 4.8 in 3.0 in 4.1 in 25.9 oz 300 Y Jun 2015 999 i i Canon G3 X
Canon G5 X« » 4.4 in 3.0 in 1.7 in 12.5 oz 210 n Oct 2015 799 i i Canon G5 X
Leica C-LUX« » 4.4 in 2.6 in 1.8 in 12.0 oz 370 n Jun 2018 1,049 i i Leica C-LUX
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 GH5« » 5.5 in 3.9 in 3.4 in 25.6 oz 410 Y Jan 2017 1,999 i i Panasonic GH5
Panasonic FZ2500« » 5.4 in 4.0 in 5.3 in 32.3 oz 350 n Sep 2016 1,199 i i Panasonic FZ2500
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 RX100 VI« » 4.0 in 2.3 in 1.7 in 10.6 oz 240 n Jun 2018 1,199 i i Sony RX100 VI
Sony RX10 III« » 5.2 in 3.7 in 5.0 in 37.1 oz 420 Y Mar 2016 1,499 i i Sony RX10 III
Sony RX100 IV« » 4.0 in 2.3 in 1.6 in 10.5 oz 280 n Jun 2015 999- i Sony RX100 IV
Sony RX100 III« » 4.0 in 2.3 in 1.6 in 10.2 oz 320 n May 2014 799- i Sony RX100 III
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 camera’s price is obviously a critical decision-making factor. 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 RX100 V was launched at a lower price than the G9, despite having a lens build in. 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: Sony RX100 V vs Panasonic G9

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 more expensive and lead to bigger and heavier cameras and lenses.

Of the two cameras under consideration, the Sony RX100 V features an one-inch sensor and the Panasonic G9 a Four Thirds sensor. The sensor area in the G9 is 94 percent bigger. As a result of these sensor size differences, the cameras have a format factor of, respectively, 2.7 and 2.0. The sensor in the RX100 V has a native 3:2 aspect ratio, while the one in the G9 offers a 4:3 aspect.

Sony RX100 V and Panasonic G9 sensor measures

With 20.2MP, the G9 offers a higher resolution than the RX100 V (20MP), but the G9 nevertheless has larger individual pixels (pixel pitch of 3.34μm versus 2.41μm for the RX100 V) due to its larger sensor. Moreover, the G9 is a somewhat more recent model (by 1 year and 1 month) than the RX100 V, and its sensor might have benefitted from technological advances during this time that further enhance the light gathering capacity of its pixel-units. Coming back to sensor resolution, it should be mentioned that the G9 has no anti-alias filter installed, so that it can capture all the detail its sensor resolves.

Unlike the RX100 V, 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).

RX100 V versus G9 MP

For many cameras, data on sensor performance has been reported by DXO Mark. 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
Sony RX100 V» 1-inch 20.0 5472 36484K/30p22.812.458670Sony RX100 V
Panasonic G9« Four Thirds 20.2 5184 38884K/60p----Panasonic G9
Canon G7 X Mark II« » 1-inch 20.0 5472 36481080/60p----Canon G7 X Mark II
Canon G3 X« » 1-inch 20.0 5472 36481080/60p21.412.352163Canon G3 X
Canon G5 X« » 1-inch 20.0 5472 36481080/60p----Canon G5 X
Leica C-LUX« » 1-inch 20.0 5472 36484K/30p----Leica C-LUX
Olympus E-M1 II« » Four Thirds 20.2 5184 38884K/30p23.712.8131280Olympus E-M1 II
Panasonic GH5« » Four Thirds 20.2 5184 38884K/60p23.913.080777Panasonic GH5
Panasonic FZ2500« » 1-inch 20.0 5472 36484K/30p----Panasonic FZ2500
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 RX100 VI« » 1-inch 20.0 5472 36484K/30p----Sony RX100 VI
Sony RX10 III« » 1-inch 20.0 5472 36484K/30p23.112.647270Sony RX10 III
Sony RX100 IV« » 1-inch 20.0 5472 36484K/30p22.812.659170Sony RX100 IV
Sony RX100 III« » 1-inch 20.0 5472 36481080/60p22.412.349567Sony RX100 III
Sony RX100 II« » 1-inch 20.0 5472 36481080/60p22.512.448367Sony RX100 II

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 faster frame rate than the RX100 V. It can shoot movie footage at 4K/60p, while the Sony is limited to 4K/30p.

 

Feature comparison: Sony RX100 V vs Panasonic G9

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 G9 offers a substantially higher resolution than the one in the RX100 V (3680k vs 2359k dots). The adjacent table lists some of the other core features of the Sony RX100 V and Panasonic G9 along with similar information for a selection of comparators. If needed, the dpreview camera hub, for example, contains further detail on the cameras' specs.

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
Sony RX100 V»2359 n 3.0 1229 tilting n 2000 24.0 Y Y Sony RX100 V
Panasonic G9«3680 Y 3.0 1040 swivel Y 8000 20.0 n Y Panasonic G9
Canon G7 X Mark II« »- n 3.0 1040 tilting Y 2000 8.0 Y Y Canon G7 X Mark II
Canon G3 X« »- n 3.2 1620 tilting Y 2000 5.9 Y Y Canon G3 X
Canon G5 X« »2360 n 3.0 1040 swivel Y 2000 5.9 Y Y Canon G5 X
Leica C-LUX« »2330 n 3.0 1240 fixed Y 2000 10.0 Y Y Leica C-LUX
Olympus E-M1 II« »2360 n 3.0 1037 swivel Y 8000 18.0 n Y Olympus E-M1 II
Panasonic GH5« »3680 n 3.2 1620 swivel Y 8000 12.0 n Y Panasonic GH5
Panasonic FZ2500« »2360 n 3.0 1040 swivel Y 4000 12.0 Y Y Panasonic FZ2500
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 RX100 VI« »2359 n 3.0 1229 tilting Y 2000 24.0 Y Y Sony RX100 VI
Sony RX10 III« »2359 Y 3.0 1229 tilting n 2000 14.0 Y Y Sony RX10 III
Sony RX100 IV« »2359 n 3.0 1228 tilting n 2000 16.0 Y Y Sony RX100 IV
Sony RX100 III« »1440 n 3.0 1229 tilting n 2000 10.0 Y Y Sony RX100 III
Sony RX100 II« »- n 3.0 1229 tilting n 2000 10.0 Y Y Sony RX100 II

One difference between the cameras concerns the presence of an on-board flash. The RX100 V has one, while the G9 does not. While the build-in flash of the RX100 V is not very powerful, it can at times be useful as a fill-in light.

The reported shutter speed and shutter burst refer to the use of the mechanical shutter. In addition, both cameras feature 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).

The RX100 V writes its imaging data to SDXC or Memory Stick PRO Duo cards, while the G9 uses SDXC cards. The G9 features dual card slots, which can be very useful in case a memory card fails. In contrast, the RX100 V only has one slot.

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
Sony RX100 V»-stereomono--micro2.0YY-Sony RX100 V
Panasonic G9«YstereomonoYYfull3.0Y-YPanasonic G9
Canon G7 X Mark II« »-stereomono--micro2.0YY-Canon G7 X Mark II
Canon G3 X« »YstereomonoYYmini2.0YY-Canon G3 X
Canon G5 X« »Ystereomono--mini2.0YY-Canon G5 X
Leica C-LUX« »-stereomono--micro2.0Y--Leica C-LUX
Olympus E-M1 II« »YstereomonoYYmicro3.0Y--Olympus E-M1 II
Panasonic GH5« »YstereomonoYYfull3.1Y-YPanasonic GH5
Panasonic FZ2500« »YstereomonoYYmicro2.0Y--Panasonic FZ2500
Panasonic G85« »YstereomonoY-micro2.0Y--Panasonic G85
Panasonic GX8« »YstereomonoY-micro2.0YY-Panasonic GX8
Panasonic GH4« »YstereomonoYYmicro2.0YY-Panasonic GH4
Sony RX100 VI« »-stereomono--micro2.0YYYSony RX100 VI
Sony RX10 III« »YstereomonoYYmicro2.0YY-Sony RX10 III
Sony RX100 IV« »-stereomono--micro2.0YY-Sony RX100 IV
Sony RX100 III« »-stereomono--micro2.0YY-Sony RX100 III
Sony RX100 II« »Ystereomono--micro2.0YY-Sony RX100 II

Both the RX100 V and the G9 are recent models that feature in their makers' current product line-up. The RX100 V replaced the earlier Sony RX100 IV, while the G9 followed on from the Panasonic G85.

Review summary: Sony RX100 V vs Panasonic G9

So what conclusions can be drawn? Is there a clear favorite between the Sony RX100 V and the Panasonic G9? The listing below highlights the relative strengths of the two models.

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Advantages of the Sony Cyber-shot DSC-RX100 V:

  • Better moiré control: Has an anti-alias filter to avoid artificial patterns to appear in images.
  • More detailed LCD: Has a higher resolution rear screen (1229k vs 1040k dots).
  • Faster burst: Shoots at higher frequency (24 vs 20 flaps/sec) to capture the decisive moment.
  • Ready to shoot: Has a lens build-in, whereas the G9 requires a separate lens.
  • More compact: Is smaller (102x58mm vs 137x97mm) and thus needs less room in the bag.
  • Less heavy: Is lighter even though it comes with a build-in lens (unlike the G9).
  • Easier fill-in: Is equipped with a small onboard flash to brighten deep shadow areas.
  • Easier device pairing: Supports NFC for fast wireless image transfer over short distances.
  • More affordable: Was introduced at a lower price, despite coming with a build-in lens.
  • More heavily discounted: Has been on the market for longer (launched in October 2016).

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Arguments in favor of the Panasonic Lumix DC-G9:

  • Maximized detail: Lacks an anti-alias filter to exploit the sensor's full resolution potential.
  • High quality composites: Can combine several shots after pixel-shifting its sensor.
  • Better image quality: Is equipped with a larger and more technologically advanced sensor.
  • Richer colors: Larger sensor generates 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.
  • Better video: Provides higher movie framerates (4K/60p versus 4K/30p).
  • 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.
  • More detailed viewfinder: Has higher resolution electronic viewfinder (3680k vs 2359k dots).
  • Easier setting verification: Features a control panel on top to check shooting parameters.
  • More flexible LCD: Has swivel screen for odd-angle shots in portrait or landscape orientation.
  • Fewer buttons to press: Has a touchscreen to facilitate handling and shooting adjustments.
  • Faster shutter: Has higher mechanical shutter speed (8000/sec vs 2000/sec) to freeze action.
  • More flexible: Takes interchangeable lenses and can thus be used with specialty optics.
  • Longer lasting: Gets more shots (400 versus 220) out of a single battery charge.
  • Better sealing: Is splash and dust sealed for shooting in inclement weather conditions.
  • Better lighting: Features a hotshoe and can thus hold and trigger an external flash gun.
  • Faster data transfer: Supports a more advanced USB protocol (3.0 vs 2.0).
  • More solid recording: Has a full-sized HDMI port for a sturdy connection to an external recorder.
  • Easier wireless transfer: Supports Bluetooth for image sharing without cables.
  • Greater peace of mind: Features a second card slot as a backup in case of memory card failure.
  • More modern: Was introduced somewhat (1 year and 1 month) more recently.

If the number of relative strengths (bullet points above) is taken as a guide, the G9 is the clear winner of the contest (23 : 10 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.

RX100 V 10:23 G9

In any case, while the specs-based evaluation of cameras is instructive in revealing their potential as photographic tools, it remains partial and cannot reveal, for example, the handling experience and imaging performance when actually working with the RX100 V or the G9. 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 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
Sony RX100 V»HiRec83/1004/55/54.5/5 Oct 2016 999 i i Sony RX100 V
Panasonic G9«HiRec85/1005/55/55/5 Nov 2017 1,699 i i Panasonic G9
Canon G7 X Mark II« »HiRec81/1004.5/54/54.5/5 Feb 2016 699 i i Canon G7 X Mark II
Canon G3 X« »Rec-4.5/53.5/54/5 Jun 2015 999 i i Canon G3 X
Canon G5 X« »HiRec78/1004.5/54/54.5/5 Oct 2015 799 i i Canon G5 X
Leica C-LUX« »--4.5/5-4/5 Jun 2018 1,049 i i Leica C-LUX
Olympus E-M1 II« »HiRec85/1004.5/55/54.5/5 Sep 2016 1,999 i i Olympus E-M1 II
Panasonic GH5« »HiRec85/1004.5/55/55/5 Jan 2017 1,999 i i Panasonic GH5
Panasonic FZ2500« »Rec82/1004.5/54.5/55/5 Sep 2016 1,199 i i Panasonic FZ2500
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 RX100 VI« »HiRec83/1004/5-4.5/5 Jun 2018 1,199 i i Sony RX100 VI
Sony RX10 III« »Rec84/1004.5/54.5/54.5/5 Mar 2016 1,499 i i Sony RX10 III
Sony RX100 IV« »HiRec85/1004/54.5/54.5/5 Jun 2015 999- i Sony RX100 IV
Sony RX100 III« »HiRec82/1004.5/54.5/55/5 May 2014 799- i Sony RX100 III
Sony RX100 II« »HiRec79/1004.5/55/54.5/5 Jun 2013 749- i Sony RX100 II

Care should be taken when interpreting the review scores above, though. The ratings were established in reference to similarly priced cameras that were available in the market at the time of the review. Thus, a score needs to be put into the context of the launch date and the launch price 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.

 

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 your choice using the following search menu. An an alternative, you can also directly jump to any one of the listed comparisons that were previously generated by the CAM-parator tool. If the camera you are interested in is not available, please send me an email, and I will try to update the database with the necessary infos.

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