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Sony RX100 IV versus Panasonic FZ2500

The Sony Cyber-shot DSC-RX100 IV and the Panasonic Lumix DMC-FZ2500 (labelled Panasonic FZ2000 in some countries) are two digital cameras that were announced, respectively, in June 2015 and September 2016. Both the RX100 IV and the FZ2500 are fixed lens compact cameras that are equipped with an one-inch sensor. Both cameras offer a resolution of 20 megapixel. 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 IV vs Panasonic FZ2500

An illustration of the physical size and weight of the Sony RX100 IV and the Panasonic FZ2500 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 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 – the RX100 IV – represents 100 percent across all the size and weight measures).

Compare Sony RX100 IV vs Panasonic FZ2500
Compare RX100 IV versus FZ2500 top
Compare RX100 IV and FZ2500 rear

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Panasonic FZ2500 is considerably larger (138 percent) than the Sony RX100 IV. Moreover, the FZ2500 is substantially heavier (207 percent) than the RX100 IV. In this context, it is worth noting that neither the RX100 IV nor the FZ2500 are weather-sealed.

Concerning battery life, the RX100 IV gets 280 shots out of its NP-BX1 battery, while the FZ2500 can take 350 images on a single charge of its DMW-BLC12 power pack.

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
Sony RX100 IV» 4.0 in 2.3 in 1.6 in 10.5 oz 280 n Jun 2015 999- i Sony RX100 IV
Panasonic FZ2500« 5.4 in 4.0 in 5.3 in 32.3 oz 350 n Sep 2016 1,199 i i Panasonic FZ2500
Canon G7 X« » 4.1 in 2.4 in 1.6 in 10.7 oz 210 n Sep 2014 699- i Canon G7 X
Fujifilm X100F« » 5.0 in 3.0 in 2.0 in 16.5 oz 390 n Jan 2017 1,299 i i Fujifilm X100F
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
Panasonic FZ1000« » 5.4 in 3.9 in 5.2 in 29.3 oz 360 n Jun 2014 899- i Panasonic FZ1000
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 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 RX10 II« » 5.1 in 3.5 in 4.0 in 28.7 oz 400 Y Jun 2015 1,299- i Sony RX10 II
Sony A5000« » 4.3 in 2.5 in 1.4 in 9.5 oz 420 n Jan 2014 449- i Sony A5000
Sony A5100« » 4.3 in 2.5 in 1.4 in 10.0 oz 400 n Aug 2014 549 i i Sony A5100
Sony A6000« » 4.7 in 2.6 in 1.8 in 12.1 oz 360 n Feb 2014 599- i Sony A6000
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 manufacturer’s suggested retail prices give an idea on the placement of the camera in the maker’s lineup and the broader market. The RX100 IV was launched at a somewhat lower price (by 17 percent) than the FZ2500, 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.

 

Sensor comparison: Sony RX100 IV vs Panasonic FZ2500

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. Furthermore, a large sensor camera will give the photographer more possibilities to use shallow depth-of-field in order to 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.

Both cameras under consideration feature an one-inch sensor and have a format factor (sometimes also referred to as "crop factor") of 2.7. Within the spectrum of camera sensors, this places the review cameras among the medium-sized sensor cameras that aim to strike a balance between image quality and portability. Both cameras have a native aspect ratio (sensor width to sensor height) of 3:2.

Sony RX100 IV and Panasonic FZ2500 sensor measures

The two cameras under review do not only share the same sensor size, but also offer an identical resolution of 20 megapixel. This similarity in sensor specs implies that both the RX100 IV and the FZ2500 have the same pixel density, as well as the same pixel size. It should, however, be noted that the FZ2500 is a somewhat more recent model (by 1 year and 3 months) than the RX100 IV, and its sensor might have benefitted from technological advances during this time.

RX100 IV versus FZ2500 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 table below summarizes the physical sensor characteristics and sensor quality findings and compares them across a set of similar 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
Sony RX100 IV» 1-inch 20.0 5472 36484K/30p22.812.659170Sony RX100 IV
Panasonic FZ2500« 1-inch 20.0 5472 36484K/30p----Panasonic FZ2500
Canon G7 X« » 1-inch 20.0 5472 36481080/60p23.012.755671Canon G7 X
Fujifilm X100F« » APS-C 24.0 6000 40001080/60p----Fujifilm X100F
Leica C-LUX« » 1-inch 20.0 5472 36484K/30p----Leica C-LUX
Panasonic FZ1000« » 1-inch 20.0 5472 36484K/30p22.111.751764Panasonic FZ1000
Sony RX100 VI« » 1-inch 20.0 5472 36484K/30p----Sony RX100 VI
Sony RX100 V« » 1-inch 20.0 5472 36484K/30p22.812.458670Sony RX100 V
Sony RX10 II« » 1-inch 20.0 5472 36484K/30p23.012.653170Sony RX10 II
Sony A5000« » APS-C 19.8 5456 36321080/60i23.813.0108979Sony A5000
Sony A5100« » APS-C 24.0 6000 40001080/60p23.812.7134780Sony A5100
Sony A6000« » APS-C 24.0 6000 40001080/60p24.113.1134782Sony A6000
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, and both provide the same movie specifications (4K/30p).

 

Feature comparison: Sony RX100 IV vs Panasonic FZ2500

Apart from body and sensor, cameras can and do differ across a range of features. The two cameras under review are similar with respect to both having an electronic viewfinder. However, the one in the FZ2500 offers a slightly higher resolution than the one in the RX100 IV (2360k vs 2359k dots). The table below summarizes some of the other core capabilities of the Sony RX100 IV and Panasonic FZ2500 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
Sony RX100 IV»2359 n 3.0 1228 tilting n 2000 16.0 Y Y Sony RX100 IV
Panasonic FZ2500«2360 n 3.0 1040 swivel Y 4000 12.0 Y Y Panasonic FZ2500
Canon G7 X« »- n 3.0 1040 tilting Y 2000 6.5 Y Y Canon G7 X
Fujifilm X100F« »2360 n 3.0 1040 fixed n 4000 8.0 Y n Fujifilm X100F
Leica C-LUX« »2330 n 3.0 1240 fixed Y 2000 10.0 Y Y Leica C-LUX
Panasonic FZ1000« »2359 n 3.0 921 swivel n 4000 12.0 Y Y Panasonic FZ1000
Sony RX100 VI« »2359 n 3.0 1229 tilting Y 2000 24.0 Y Y Sony RX100 VI
Sony RX100 V« »2359 n 3.0 1229 tilting n 2000 24.0 Y Y Sony RX100 V
Sony RX10 II« »2359 Y 3.0 1229 tilting n 3200 14.0 Y Y Sony RX10 II
Sony A5000« »- n 3.0 461 tilting n 4000 3.5 Y n Sony A5000
Sony A5100« »- n 3.0 922 tilting Y 4000 6.0 Y n Sony A5100
Sony A6000« »1440 n 3.0 922 tilting n 4000 11.0 Y n Sony A6000
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 differentiating feature between the two cameras concerns the touch sensitivity of the rear screen. The FZ2500 has a touchscreen, while the RX100 IV has a conventional panel. Touch control can be particularly helpful, for example, for setting the focus point.

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).

Both the RX100 IV and the FZ2500 have zoom lenses build in. The RX100 IV has a 24-70mm f/1.8-2.8 optic and the FZ2500 offers a 24-480mm f/2.8-4.5 (focal lengths in full frame equivalent terms). Hence, the Sony and Panasonic provide the same view at the wide-angle end, but the Panasonic has more tele-photo reach at the long end. The RX100 IV offers the faster maximum aperture.

The RX100 IV writes its imaging data to SDXC or Memory Stick PRO Duo cards, while the FZ2500 uses SDXC cards.

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 IV»-stereomono--micro2.0YY-Sony RX100 IV
Panasonic FZ2500«YstereomonoYYmicro2.0Y--Panasonic FZ2500
Canon G7 X« »-stereomono--micro2.0YY-Canon G7 X
Fujifilm X100F« »YstereomonoY-micro2.0Y--Fujifilm X100F
Leica C-LUX« »-stereomono--micro2.0Y--Leica C-LUX
Panasonic FZ1000« »YstereomonoY-micro2.0YY-Panasonic FZ1000
Sony RX100 VI« »-stereomono--micro2.0YYYSony RX100 VI
Sony RX100 V« »-stereomono--micro2.0YY-Sony RX100 V
Sony RX10 II« »YstereomonoYYmicro2.0YY-Sony RX10 II
Sony A5000« »-stereomono--micro2.0YY-Sony A5000
Sony A5100« »-stereomono--micro2.0YY-Sony A5100
Sony A6000« »Ystereomono--micro2.0YY-Sony A6000
Sony RX100 III« »-stereomono--micro2.0YY-Sony RX100 III
Sony RX100 II« »Ystereomono--micro2.0YY-Sony RX100 II

The FZ2500 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: Sony RX100 IV vs Panasonic FZ2500

So how do things add up? Is the Sony RX100 IV better than the Panasonic FZ2500 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 Sony Cyber-shot DSC-RX100 IV:

  • More detailed LCD: Has a higher resolution rear screen (1228k vs 1040k dots).
  • Faster burst: Shoots at higher frequency (16 vs 12 flaps/sec) to capture the decisive moment.
  • Better light gathering: Has a lens with a wider maximum aperture (f/1.8 vs f/2.8).
  • More compact: Is smaller (102x58mm vs 138x102mm) and thus needs less room in the bag.
  • Less heavy: Is lighter (by 617g or 67 percent) and hence easier to carry around.
  • Easier device pairing: Supports NFC for fast wireless image transfer over short distances.
  • More affordable: Was introduced into a lower priced segment (17 percent cheaper at launch).
  • More heavily discounted: Has been on the market for longer (launched in June 2015).

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Arguments in favor of the Panasonic Lumix DMC-FZ2500:

  • 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 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 (4000/sec vs 2000/sec) to freeze action.
  • More tele-reach: Has a longer tele-lens for perspective compression and subject magnification.
  • Longer lasting: Gets more shots (350 versus 280) out of a single battery charge.
  • Better lighting: Features a hotshoe and can thus hold and trigger an external flash gun.
  • More modern: Was introduced somewhat (1 year and 3 months) more recently.

If the number of relative strengths (bullet points above) is taken as a guide, the FZ2500 comes out slightly ahead of the RX100 IV (9 : 8 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.

RX100 IV 08:09 FZ2500

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 RX100 IV and the FZ2500 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
Sony RX100 IV»HiRec85/1004/54.5/54.5/5 Jun 2015 999- i Sony RX100 IV
Panasonic FZ2500«Rec82/1004.5/54.5/55/5 Sep 2016 1,199 i i Panasonic FZ2500
Canon G7 X« »HiRec77/1004.5/53.5/54.5/5 Sep 2014 699- i Canon G7 X
Fujifilm X100F« »Rec83/1004.5/5-4.5/5 Jan 2017 1,299 i i Fujifilm X100F
Leica C-LUX« »----4/5 Jun 2018 1,049 i i Leica C-LUX
Panasonic FZ1000« »HiRec82/1004.5/54.5/54.5/5 Jun 2014 899- i Panasonic FZ1000
Sony RX100 VI« »HiRec83/1004/5-4.5/5 Jun 2018 1,199 i i Sony RX100 VI
Sony RX100 V« »HiRec83/1004/55/54.5/5 Oct 2016 999 i i Sony RX100 V
Sony RX10 II« »HiRec82/1004.5/54.5/54/5 Jun 2015 1,299- i Sony RX10 II
Sony A5000« »Rec-4.5/5rev4.5/5 Jan 2014 449- i Sony A5000
Sony A5100« »Rec-4.5/54.5/55/5 Aug 2014 549 i i Sony A5100
Sony A6000« »Rec80/1004.5/55/55/5 Feb 2014 599- i Sony A6000
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

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. It should also be noted that some of the review sites have over time altered the way they render their verdicts.

 

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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