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Sony RX10 III vs Panasonic FZ100

The Sony Cyber-shot DSC-RX10 III and the Panasonic Lumix DMC-FZ100 are two digital cameras that were revealed to the public, respectively, in March 2016 and July 2010. Both the RX10 III and the FZ100 are fixed lens compact cameras that are based on an one-inch (RX10 III) and a 1/2.3-inch (FZ100) sensor. The Sony has a resolution of 20 megapixels, whereas the Panasonic provides 14 MP.

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

Headline Specifications
Sony RX10 III
versus
Panasonic FZ100
Sony RX10 III   Panasonic FZ100
Fixed lens compact camera Fixed lens compact camera
24-600mm f/2.4-4.0 25-600mm f/2.8-5.2
20 MP – 1" sensor 14 MP – 1/2.3" sensor
4K/30p Video 1080/60i Video
ISO 100-12,800 (64 - 25,600) ISO 100-1,600 (100 - 6,400)
Electronic viewfinder (2359k dots) Electronic viewfinder (202k dots)
3.0" LCD – 1229k dots 3.0" LCD – 460k dots
Tilting screen (no touchscreen) Swivel screen (not touch-sensitive)
14 shutter flaps per second 11 shutter flaps per second
Weathersealed bodynot weather sealed
420 shots per battery charge410 shots per battery charge
133 x 94 x 127 mm, 1051 g 124 x 82 x 92 mm, 540 g
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Going beyond this snapshot of core features and characteristics, what are the differences between the Sony Cyber-shot DSC-RX10 III and the Panasonic Lumix DMC-FZ100? 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

The side-by-side display below illustrates the physical size and weight of the Sony RX10 III and the Panasonic FZ100. 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.

Size Sony RX10 III vs Panasonic FZ100
Compare RX10 III versus FZ100 top
Comparison RX10 III or FZ100 rear

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Panasonic FZ100 is notably smaller (19 percent) than the Sony RX10 III. Moreover, the FZ100 is substantially lighter (49 percent) than the RX10 III. It is worth mentioning in this context that the RX10 III is splash and dust resistant, while the FZ100 does not feature any corresponding weather-sealing.

Concerning battery life, the RX10 III gets 420 shots out of its Sony NP-FW50 battery, while the FZ100 can take 410 images on a single charge of its Panasonic DMW-BMB9 power pack. The power pack in the RX10 III can be charged via the USB port, so that it is not always necessary to take the battery charger along when travelling.

The following table provides a synthesis of the main physical specifications of the two cameras and other similar ones. 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.
 
Sony RX10 III 133 mm 94 mm 127 mm 1051 g 420 Y Mar 2016 1,499ebay.com
2.
 
Panasonic FZ100 124 mm 82 mm 92 mm 540 g 410 n Jul 2010 499ebay.com
3.
 
Canon G3 X 123 mm 77 mm 105 mm 733 g 300 Y Jun 2015 999ebay.com
4.
 
Canon 7D II 149 mm 112 mm 78 mm 910 g 670 Y Sep 2014 1,799ebay.com
5.
 
Canon SX60 128 mm 93 mm 114 mm 650 g 340 n Sep 2014 549ebay.com
6.
 
Canon SX40 123 mm 92 mm 108 mm 600 g 380 n Sep 2011 429ebay.com
7.
 
Canon SX30 123 mm 92 mm 108 mm 601 g 370 n Sep 2010 429ebay.com
8.
 
Nikon D500 147 mm 115 mm 81 mm 860 g 1240 Y Jan 2016 1,999ebay.com
9.
 
Panasonic FZ2500 138 mm 102 mm 135 mm 915 g 350 n Sep 2016 1,199 amazon.com
10.
 
Panasonic FZ200 125 mm 87 mm 110 mm 588 g 540 n Jul 2012 599ebay.com
11.
 
Panasonic FZ150 124 mm 82 mm 92 mm 528 g 410 n Aug 2011 499ebay.com
12.
 
Sony RX10 IV 133 mm 94 mm 145 mm 1095 g 400 Y Sep 2017 1,699 amazon.com
13.
 
Sony RX0 59 mm 41 mm 30 mm 110 g 240 Y Aug 2017 699ebay.com
14.
 
Sony RX100 V 102 mm 58 mm 41 mm 299 g 220 n Oct 2016 999ebay.com
15.
 
Sony RX10 II 129 mm 88 mm 102 mm 813 g 400 Y Jun 2015 1,299ebay.com
16.
 
Sony RX100 IV 102 mm 58 mm 41 mm 298 g 280 n Jun 2015 999ebay.com
17.
 
Sony RX10 129 mm 88 mm 102 mm 813 g 420 Y Oct 2013 1,299ebay.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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The price is, of course, an important factor in any camera decision. The manufacturer’s suggested retail prices give an idea on the placement of the camera in the maker’s lineup and the broader market. The FZ100 was launched at a markedly lower price (by 67 percent) than the RX10 III, 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 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. Moreover, a large sensor camera will give the photographer more control over depth-of-field in the image and, thus, the ability to better isolate a subject from the background. On the downside, larger sensors are more costly to manufacture and tend to lead to bigger and heavier cameras and lenses.

Of the two cameras under consideration, the Sony RX10 III features an one-inch sensor and the Panasonic FZ100 a 1/2.3-inch sensor. The sensor area in the FZ100 is 76 percent smaller. As a result of these sensor size differences, the cameras have a format factor of, respectively, 2.7 and 5.6. The sensor in the RX10 III has a native 3:2 aspect ratio, while the one in the FZ100 offers a 4:3 aspect.

Sony RX10 III and Panasonic FZ100 sensor measures

With 20MP, the RX10 III offers a higher resolution than the FZ100 (14MP), but the RX10 III nevertheless has larger individual pixels (pixel pitch of 2.41μm versus 1.41μm for the FZ100) due to its larger sensor. Moreover, the RX10 III is a much more recent model (by 5 years and 8 months) than the FZ100, and its sensor will 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 the FZ100 has no anti-alias filter installed, so that it can capture all the detail its sensor resolves.

The resolution advantage of the Sony RX10 III implies greater flexibility for cropping images or the possibility to print larger pictures. The maximum print size of the RX10 III for good quality output (200 dots per inch) amounts to 27.4 x 18.2 inches or 69.5 x 46.3 cm, for very good quality (250 dpi) 21.9 x 14.6 inches or 55.6 x 37.1 cm, and for excellent quality (300 dpi) 18.2 x 12.2 inches or 46.3 x 30.9 cm. The corresponding values for the Panasonic FZ100 are 21.6 x 16.2 inches or 54.9 x 41.1 cm for good quality, 17.3 x 13 inches or 43.9 x 32.9 cm for very good quality, and 14.4 x 10.8 inches or 36.6 x 27.4 cm for excellent quality prints.

The Sony Cyber-shot DSC-RX10 III has a native sensitivity range from ISO 100 to ISO 12800, which can be extended to ISO 64-25600. The corresponding ISO settings for the Panasonic Lumix DMC-FZ100 are ISO 100 to ISO 1600, with the possibility to increase the ISO range to 100-6400.

In terms of underlying technology, the RX10 III is build around a BSI-CMOS sensor, while the FZ100 uses a CMOS imager. Both cameras use a Bayer filter for capturing RGB colors on a square grid of photosensors. This arrangement is found in most digital cameras.

RX10 III versus FZ100 MP

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.

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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.
 
Sony RX10 III 1-inch 20.0 5472 36484K/30p23.112.647270
2.
 
Panasonic FZ100 1/2.3 14.0 4320 32401080/60i19.410.730639
3.
 
Canon G3 X 1-inch 20.0 5472 36481080/60p21.412.352163
4.
 
Canon 7D II APS-C 20.0 5472 36481080/60p22.411.8108270
5.
 
Canon SX60 1/2.3 14.2 4608 30721080/60p19.210.812739
6.
 
Canon SX40 1/2.3 12.0 4000 30001080/24p19.610.940941
7.
 
Canon SX30 1/2.3 14.0 4320 3240720/30p19.410.732039
8.
 
Nikon D500 APS-C 20.7 5568 37124K/30p24.014.0132483
9.
 
Panasonic FZ2500 1-inch 20.0 5472 36484K/30p23.012.653870
10.
 
Panasonic FZ200 1/2.3 12.0 4000 30001080/60p19.110.811437
11.
 
Panasonic FZ150 1/2.3 12.0 4000 30001080/60p19.410.913240
12.
 
Sony RX10 IV 1-inch 20.0 5472 36484K/30p22.012.240863
13.
 
Sony RX0 1-inch 15.4 4800 32001080/60p22.412.454868
14.
 
Sony RX100 V 1-inch 20.0 5472 36484K/30p22.812.458670
15.
 
Sony RX10 II 1-inch 20.0 5472 36484K/30p23.012.653170
16.
 
Sony RX100 IV 1-inch 20.0 5472 36484K/30p22.812.659170
17.
 
Sony RX10 1-inch 20.0 5472 36481080/60p22.912.647469
Note: DXO values in italics represent estimates based on sensor size and age.
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Many modern cameras cannot only take still pictures, but also record videos. The two cameras under consideration both have sensors whose read-out speed is fast enough to capture moving pictures, but the RX10 III provides a higher video resolution than the FZ100. It can shoot video footage at 4K/30p, while the Panasonic is limited to 1080/60i.

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Feature comparison

Apart from body and sensor, cameras can and do differ across a variety of features. The two cameras under consideration are similar with respect to both having an electronic viewfinder. However, the one in the RX10 III offers a substantially higher resolution than the one in the FZ100 (2359k vs 202k dots). The adjacent table lists some of the other core features of the Sony RX10 III and Panasonic FZ100 along with similar information for a selection of comparators.

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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.
 
Sony RX10 III2359 Y3.0 / 1229 tilting n 1/2000s 14.0/s Y Y
2.
 
Panasonic FZ100202 n3.0 / 460 swivel n 1/2000s 11.0/s Y Y
3.
 
Canon G3 Xoptional n3.2 / 1620 tilting Y 1/2000s 5.9/s Y Y
4.
 
Canon 7D IIoptical Y3.0 / 1040 fixed n 1/8000s 10.0/s Y n
5.
 
Canon SX60922 n3.0 / 922 swivel n 1/2000s 6.4/s Y Y
6.
 
Canon SX40202 n2.7 / 230 swivel n 1/3200s 10.3/s Y Y
7.
 
Canon SX30202 n2.7 / 230 swivel n 1/3200s 0.6/s Y Y
8.
 
Nikon D500optical Y3.2 / 2359 tilting Y 1/8000s 10.0/s n n
9.
 
Panasonic FZ25002360 n3.0 / 1040 swivel Y 1/4000s 12.0/s Y Y
10.
 
Panasonic FZ2001312 n3.0 / 460 swivel n 1/4000s 12.0/s Y Y
11.
 
Panasonic FZ150202 n3.0 / 460 swivel n 1/2000s 12.0/s Y Y
12.
 
Sony RX10 IV2359 Y3.0 / 1440 tilting Y 1/2000s 24.0/s Y Y
13.
 
Sony RX0none n1.5 / 230 fixed n .. 5.5/s n n
14.
 
Sony RX100 V2359 n3.0 / 1229 tilting n 1/2000s 24.0/s Y Y
15.
 
Sony RX10 II2359 Y3.0 / 1229 tilting n 1/3200s 14.0/s Y Y
16.
 
Sony RX100 IV2359 n3.0 / 1228 tilting n 1/2000s 16.0/s Y Y
17.
 
Sony RX101440 Y3.0 / 1229 tilting n 1/3200s 10.0/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 RX10 III, but is missing on the FZ100 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 FZ100 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 RX10 III 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 RX10 III 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).

Both the RX10 III and the FZ100 have zoom lenses built in. The RX10 III has a 24-600mm f/2.4-4.0 optic and the FZ100 offers a 25-600mm f/2.8-5.2 (focal lengths in full frame equivalent terms). Hence, the Sony provides a wider angle of view at the short end than the Panasonic and the same tele-photo reach at the long end. The RX10 III offers the faster maximum aperture.

The RX10 III writes its imaging data to SDXC or Memory Stick PRO Duo cards, while the FZ100 uses SDXC cards. The RX10 III supports UHS-I cards (Ultra High Speed data transfer of up to 104 MB/s), while the FZ100 cannot take advantage of Ultra High Speed SD cards.

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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 Sony Cyber-shot DSC-RX10 III and Panasonic Lumix DMC-FZ100 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.
 
Sony RX10 IIIYstereo / monoYYmicro2.0YY-
2.
 
Panasonic FZ100Ystereo / mono--mini2.0---
3.
 
Canon G3 XYstereo / monoYYmini2.0YY-
4.
 
Canon 7D IIYstereo / monoYYmini3.0---
5.
 
Canon SX60Ystereo / monoY-mini2.0YY-
6.
 
Canon SX40Ystereo / mono--YES2.0---
7.
 
Canon SX30Ystereo / mono--YES2.0---
8.
 
Nikon D500Ystereo / monoYYmini3.0YYY
9.
 
Panasonic FZ2500Ystereo / monoYYmicro2.0Y--
10.
 
Panasonic FZ200Ystereo / monoY-mini2.0---
11.
 
Panasonic FZ150Ystereo / ---mini2.0---
12.
 
Sony RX10 IVYstereo / monoYYmicro2.0YY-
13.
 
Sony RX0-stereo / monoY-micro2.0Y-Y
14.
 
Sony RX100 V-stereo / mono--micro2.0YY-
15.
 
Sony RX10 IIYstereo / monoYYmicro2.0YY-
16.
 
Sony RX100 IV-stereo / mono--micro2.0YY-
17.
 
Sony RX10Ystereo / monoYYmicro2.0YY-
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It is notable that the RX10 III has a microphone port, which is missing on the FZ100. Such an external microphone input can help to substantially improve the quality of audio recordings when a good external microphone is used.

Both the RX10 III and the FZ100 have been discontinued, but can regularly be found used on ebay. The FZ100 was replaced by the Panasonic FZ150, while the RX10 III was followed by the Sony RX10 IV. Further information on the features and operation of the RX10 III and FZ100 can be found, respectively, in the Sony RX10 III Manual (free pdf) or the online Panasonic FZ100 Manual.

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Review summary

So what is the bottom line? Is the Sony RX10 III better than the Panasonic FZ100 or vice versa? The listing below highlights the relative strengths of the two models.

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Advantages of the Sony Cyber-shot DSC-RX10 III:

  • More detail: Offers more megapixels (20 vs 14MP) with a 22% higher linear resolution.
  • Better moiré control: Has an anti-alias filter to avoid artificial patterns to appear in images.
  • 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 video: Provides higher definition movie capture (4K/30p vs 1080/60i).
  • 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 (2359k vs 202k dots).
  • Easier setting verification: Features an LCD display on top to control shooting parameters.
  • More detailed LCD: Has a higher resolution rear screen (1229k vs 460k dots).
  • Faster burst: Shoots at higher frequency (14 vs 11 flaps/sec) to capture the decisive moment.
  • Less disturbing: Has an electronic shutter option for completely silent shooting.
  • Better light gathering: Has a lens with a wider maximum aperture (f/2.4 vs f/2.8).
  • Wider view: Has a wider-angle lens that facilitates landscape or interior shots.
  • Easier travel charging: Can be conveniently charged via its USB port.
  • Better sealing: Is weather sealed to enable shooting in dusty or wet environments.
  • Easier file upload: Has wifi built in for automatic backup or image transfer to the web.
  • Easier device pairing: Supports NFC for fast wireless image transfer over short distances.
  • Faster buffer clearing: Has an SD card interface that supports the UHS-I standard.
  • More modern: Reflects 5 years and 8 months of technical progress since the FZ100 launch.

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Arguments in favor of the Panasonic Lumix DMC-FZ100:

  • Maximized detail: Lacks an anti-alias filter to exploit the sensor's full resolution potential.
  • More flexible LCD: Has a swivel screen for odd-angle shots in portrait or landscape orientation.
  • More selfie-friendly: Has an articulated screen that can be turned to be front-facing.
  • More compact: Is smaller (124x82mm vs 133x94mm) and will fit more readily into a bag.
  • Less heavy: Has a lower weight (by 511g or 49 percent) and is thus easier to take along.
  • More affordable: Was introduced into a lower priced category (67 percent cheaper at launch).
  • More heavily discounted: Has been around for much longer (launched in July 2010).

If the count of relative strengths (bullet points above) is taken as a measure, the RX10 III is the clear winner of the match-up (22 : 7 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. 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.

RX10 III 22:07 FZ100

How about other alternatives? Do the specifications of the Sony RX10 III and the Panasonic FZ100 place the cameras among the top in their class? Find out in the latest Best Superzoom Camera listing whether the two cameras rank among the cream of the crop.

In any case, while the comparison of the spec-sheets of cameras can offer a general idea of their imaging potential, it says little about, for example, the shooting experience and imaging performance of the RX10 III and the FZ100 in practical situations. User reviews, such as those found at amazon, can sometimes inform about these issues, but such feedback is often incomplete, inconsistent, and biased.

Expert reviews

This is why expert reviews are important. The table below provides a synthesis of the camera assessments of some of the best known photo-gear 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.
 
Sony RX10 III5/5+..84/1004.5/54.5/5 Mar 2016 1,499ebay.com
2.
 
Panasonic FZ100..+....4.5/54.5/5 Jul 2010 499ebay.com
3.
 
Canon G3 X3.5/5+....4.5/54/5 Jun 2015 999ebay.com
4.
 
Canon 7D II4.5/5+3.5/584/1004/54.5/5 Sep 2014 1,799ebay.com
5.
 
Canon SX603/5+ +..75/1004/54.5/5 Sep 2014 549ebay.com
6.
 
Canon SX40..+....4.5/54/5 Sep 2011 429ebay.com
7.
 
Canon SX303/5+ +....3.5/54/5 Sep 2010 429ebay.com
8.
 
Nikon D5005/5+ +4.7/591/1004.5/55/5 Jan 2016 1,999ebay.com
9.
 
Panasonic FZ2500..+..82/1004.5/55/5 Sep 2016 1,199 amazon.com
10.
 
Panasonic FZ2003/5+ +..80/1004.5/54.5/5 Jul 2012 599ebay.com
11.
 
Panasonic FZ1503/5+ +..76/1004/54.5/5 Aug 2011 499ebay.com
12.
 
Sony RX10 IV5/5+3.5/584/1004.5/55/5 Sep 2017 1,699 amazon.com
13.
 
Sony RX0........3.5/54/5 Aug 2017 699ebay.com
14.
 
Sony RX100 V4.5/5+ +..83/1004/54.5/5 Oct 2016 999ebay.com
15.
 
Sony RX10 II5/5+ +..82/1004.5/54/5 Jun 2015 1,299ebay.com
16.
 
Sony RX100 IV4.5/5+ +..85/1004/54.5/5 Jun 2015 999ebay.com
17.
 
Sony RX105/5+..80/1004.5/54.5/5 Oct 2013 1,299ebay.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 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, please note that some of the review sites have changed their methodology and reporting over time.

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Other camera comparisons

Did this review help to inform your camera decision process? If you would like to see a different side-by-side camera review, just use the search menu below. There is also a set of direct links to comparison reviews that other users of the CAM-parator app explored.

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    Specifications: Sony RX10 III vs Panasonic FZ100

    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 Sony RX10 III Panasonic FZ100
    Camera Type Fixed lens compact camera Fixed lens compact camera
    Camera Lens 24-600mm f/2.4-4.0 25-600mm f/2.8-5.2
    Launch Date March 2016 July 2010
    Launch Price USD 1,499 USD 499
    Sensor Specs Sony RX10 III Panasonic FZ100
    Sensor Technology BSI-CMOS CMOS
    Sensor Format 1" Sensor 1/2.3" Sensor
    Sensor Size 13.2 x 8.8 mm 6.17 x 4.55 mm
    Sensor Area 116.16 mm2 28.0735 mm2
    Sensor Diagonal 15.9 mm 7.7 mm
    Crop Factor 2.7x 5.6x
    Sensor Resolution 20 Megapixels 14 Megapixels
    Image Resolution 5472 x 3648 pixels 4320 x 3240 pixels
    Pixel Pitch 2.41 μm 1.41 μm
    Pixel Density 17.18 MP/cm2 49.86 MP/cm2
    Moiré control Anti-Alias filter no AA filter
    Movie Capability 4K/30p Video 1080/60i Video
    ISO Setting 100 - 12,800 ISO 100 - 1,600 ISO
    ISO Boost 64 - 25,600 ISO 100 - 6,400 ISO
    Image Processor BIONZ X Venus FHD
    DXO Sensor Quality (score) 70 ..
    DXO Color Depth (bits) 23.1 ..
    DXO Dynamic Range (EV) 12.6 ..
    DXO Low Light (ISO) 472 ..
    Screen Specs Sony RX10 III Panasonic FZ100
    Viewfinder Type Electronic viewfinder Electronic viewfinder
    Viewfinder Field of View 100% 100%
    Viewfinder Magnification 0.70x
    Viewfinder Resolution 2359k dots 202k dots
    Top-Level Screen Control Panel no Top Display
    LCD Framing Live View Live View
    Rear LCD Size 3.0inch 3.0inch
    LCD Resolution 1229k dots 460k dots
    LCD Attachment Tilting screen Swivel screen
    Shooting Specs Sony RX10 III Panasonic FZ100
    Focus System Contrast-detect AF Contrast-detect AF
    Manual Focusing AidFocus Peakingno Peaking Feature
    Continuous Shooting 14 shutter flaps/s 11 shutter flaps/s
    Electronic Shutterup to 1/32000sno E-Shutter
    Fill Flash Built-in Flash Built-in Flash
    Storage Medium MS or SDXC cards SDXC cards
    Single or Dual Card Slots Single card slot Single card slot
    UHS card support UHS-I no
    Connectivity Specs Sony RX10 III Panasonic FZ100
    External Flash Hotshoe Hotshoe
    USB Connector USB 2.0 USB 2.0
    HDMI Port micro HDMI mini HDMI
    Microphone Port External MIC port no MIC socket
    Headphone Socket Headphone port no Headphone port
    Wifi Support Wifi built-in no Wifi
    Near-Field Communication NFC built-in no NFC
    Body Specs Sony RX10 III Panasonic FZ100
    Environmental SealingWeathersealed bodynot weather sealed
    Battery Type Sony NP-FW50 Panasonic DMW-BMB9
    Battery Life (CIPA)420 shots per charge410 shots per charge
    In-Camera Charging USB charging no USB charging
    Body Dimensions 133 x 94 x 127 mm
    (5.2 x 3.7 x 5.0 in)
    124 x 82 x 92 mm
    (4.9 x 3.2 x 3.6 in)
    Camera Weight 1051 g (37.1 oz) 540 g (19.0 oz)
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    Check RX10 III offers at
    ebay.com
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    Check FZ100 offers at
    ebay.com

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