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Sony RX100 IV vs Panasonic TZ90

The Sony Cyber-shot DSC-RX100 IV and the Panasonic Lumix DC-TZ90 (labelled Panasonic ZS70 in some countries) are two digital cameras that were revealed to the public, respectively, in June 2015 and April 2017. Both the RX100 IV and the TZ90 are fixed lens compact cameras that are based on an one-inch (RX100 IV) and a 1/2.3-inch (TZ90) sensor. The Sony has a resolution of 20 megapixels, whereas the Panasonic provides 20.2 MP.

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

Headline Specifications
Sony RX100 IV
versus
Panasonic TZ90
Sony RX100 IV   Panasonic TZ90
Fixed lens compact camera Fixed lens compact camera
24-70mm f/1.8-2.8 24-720mm f/3.3-6.4
20 MP – 1" sensor 20.2 MP – 1/2.3" sensor
4K/30p Video 4K/30p Video
ISO 125-12,800 (80 - 25,600) ISO 80-3,200 (80 - 6,400)
Electronic viewfinder (2359k dots) Electronic viewfinder (1166k dots)
3.0" LCD – 1228k dots 3.0" LCD – 1040k dots
Tilting screen (no touchscreen) Tilting touchscreen
16 shutter flaps per second 10 shutter flaps per second
280 shots per battery charge380 shots per battery charge
102 x 58 x 41 mm, 298 g 112 x 67 x 41 mm, 322 g
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Going beyond this snapshot of core features and characteristics, what are the differences between the Sony Cyber-shot DSC-RX100 IV and the Panasonic Lumix DC-TZ90? 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 RX100 IV and the Panasonic TZ90. 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 dimensions are rounded to the nearest millimeter.

The TZ90 can be obtained in two different colors (black, silver), while the RX100 IV is only available in black.

Size Sony RX100 IV vs Panasonic TZ90
Compare RX100 IV versus TZ90 top
Comparison RX100 IV or TZ90 rear

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Panasonic TZ90 is notably larger (27 percent) than the Sony RX100 IV. Moreover, the TZ90 is markedly heavier (8 percent) than the RX100 IV. In this context, it is worth noting that neither the RX100 IV nor the TZ90 are weather-sealed.

Concerning battery life, the RX100 IV gets 280 shots out of its Sony NP-BX1 battery, while the TZ90 can take 380 images on a single charge of its Panasonic DMW-BLG10 power pack. The battery packs of both cameras can be charged via USB, which can be very convenient when travelling.

The adjacent table lists the principal physical characteristics of the two cameras alongside a wider set of alternatives. 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 RX100 IV 102 mm 58 mm 41 mm 298 g 280 n Jun 2015 999ebay.com
2.
 
Panasonic TZ90 112 mm 67 mm 41 mm 322 g 380 n Apr 2017 449ebay.com
3.
 
Canon SX730 110 mm 64 mm 40 mm 300 g 250 n Apr 2017 399ebay.com
4.
 
Canon G5 X 112 mm 76 mm 44 mm 353 g 210 n Oct 2015 799ebay.com
5.
 
Canon G7 X 103 mm 60 mm 40 mm 304 g 210 n Sep 2014 699ebay.com
6.
 
Fujifilm XF10 113 mm 64 mm 41 mm 279 g 330 n Jul 2018 499ebay.com
7.
 
Panasonic TZ95 112 mm 69 mm 42 mm 327 g 380 n Feb 2019 449ebay.com
8.
 
Panasonic FT7 117 mm 76 mm 37 mm 319 g 300 Y May 2018 449ebay.com
9.
 
Panasonic FZ2500 138 mm 102 mm 135 mm 915 g 350 n Sep 2016 1,199 amazon.com
10.
 
Panasonic FZ1000 137 mm 99 mm 131 mm 831 g 360 n Jun 2014 899ebay.com
11.
 
Panasonic LX5 110 mm 65 mm 43 mm 271 g 400 n Jul 2010 499ebay.com
12.
 
Sony ZV-1 II 106 mm 60 mm 47 mm 292 g 290 n May 2023 899 amazon.com
13.
 
Sony RX100 VII 102 mm 58 mm 43 mm 302 g 260 n Jul 2019 1,199 amazon.com
14.
 
Sony RX100 VI 102 mm 58 mm 43 mm 301 g 240 n Jun 2018 1,199ebay.com
15.
 
Sony RX100 V 102 mm 58 mm 41 mm 299 g 220 n Oct 2016 999ebay.com
16.
 
Sony RX100 III 102 mm 58 mm 41 mm 290 g 320 n May 2014 799ebay.com
17.
 
Sony RX100 II 102 mm 58 mm 38 mm 281 g 350 n Jun 2013 749ebay.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 listed launch prices provide an indication of the market segment that the manufacturer of the cameras have been targeting. The TZ90 was launched at a markedly lower price (by 55 percent) than the RX100 IV, 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. Then, after the new model is out, very good deals can frequently be found on the pre-owned market.

Sensor comparison

The imaging sensor is at the core of digital cameras and its size is one of the main determining factors 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.

Of the two cameras under consideration, the Sony RX100 IV features an one-inch sensor and the Panasonic TZ90 a 1/2.3-inch sensor. The sensor area in the TZ90 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 RX100 IV has a native 3:2 aspect ratio, while the one in the TZ90 offers a 4:3 aspect.

Sony RX100 IV and Panasonic TZ90 sensor measures

Despite having a smaller sensor, the TZ90 offers a slightly higher resolution of 20.2 megapixels, compared with 20 MP of the RX100 IV. This megapixels advantage comes at the cost of a higher pixel density and a smaller size of the individual pixel (with a pixel pitch of 1.18μm versus 2.41μm for the RX100 IV). However, it should be noted that the TZ90 is a somewhat more recent model (by 1 year and 10 months) than the RX100 IV, and its sensor might have benefitted from technological advances during this time that partly offset its pixel-size disadvantage. Coming back to sensor resolution, it should be mentioned that the TZ90 has no anti-alias filter installed, so that it can capture all the detail its sensor resolves.

The Sony Cyber-shot DSC-RX100 IV has a native sensitivity range from ISO 125 to ISO 12800, which can be extended to ISO 80-25600. The corresponding ISO settings for the Panasonic Lumix DC-TZ90 are ISO 80 to ISO 3200, with the possibility to increase the ISO range to 80-6400.

Technology-wise, both cameras are equipped with BSI-CMOS (Backside Illuminated Complementary Metal–Oxide–Semiconductor) sensors. Both cameras use a Bayer filter for capturing RGB colors on a square grid of photosensors. This arrangement is found in most digital cameras.

RX100 IV versus TZ90 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. Of the two cameras under review, the RX100 IV provides substantially higher image quality than the TZ90, with an overall score that is 34 points higher. This advantage is based on 3.7 bits higher color depth, 2 EV in additional dynamic range, and 2.5 stops in additional low light sensitivity. 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 RX100 IV 1-inch 20.0 5472 36484K/30p22.812.659170
2.
 
Panasonic TZ90 1/2.3 20.2 5184 38884K/30p19.110.610636
3.
 
Canon SX730 1/2.3 20.2 5184 38881080/60p20.511.992450
4.
 
Canon G5 X 1-inch 20.0 5472 36481080/60p21.412.347162
5.
 
Canon G7 X 1-inch 20.0 5472 36481080/60p23.012.755671
6.
 
Fujifilm XF10 APS-C 24.0 6000 40004K/15p24.013.4184483
7.
 
Panasonic TZ95 1/2.3 20.2 5184 38884K/30p20.712.2110352
8.
 
Panasonic FT7 1/2.3 20.2 5184 38884K/30p20.612.1102851
9.
 
Panasonic FZ2500 1-inch 20.0 5472 36484K/30p23.012.653870
10.
 
Panasonic FZ1000 1-inch 20.0 5472 36484K/30p22.111.751764
11.
 
Panasonic LX5 1/1.7 10.0 3648 2736720/60p19.610.813241
12.
 
Sony ZV-1 II 1-inch 20.0 5472 36484K/30p22.312.996567
13.
 
Sony RX100 VII 1-inch 20.0 5472 36484K/30p21.812.441863
14.
 
Sony RX100 VI 1-inch 20.0 5472 36484K/30p22.112.347864
15.
 
Sony RX100 V 1-inch 20.0 5472 36484K/30p22.812.458670
16.
 
Sony RX100 III 1-inch 20.0 5472 36481080/60p22.412.349567
17.
 
Sony RX100 II 1-inch 20.0 5472 36481080/60p22.512.448367
Note: DXO values in italics represent estimates based on sensor size and age.
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Many modern cameras are not only capable of taking still images, but also of capturing video footage. 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).

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Feature comparison

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 RX100 IV offers a substantially higher resolution than the one in the TZ90 (2359k vs 1166k dots). The following table reports on some other key feature differences and similarities of the Sony RX100 IV, the Panasonic TZ90, and comparable cameras.

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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 RX100 IV2359 n3.0 / 1228 tilting n 1/2000s 16.0/s Y Y
2.
 
Panasonic TZ901166 n3.0 / 1040 tilting Y 1/2000s 10.0/s Y Y
3.
 
Canon SX730none n3.0 / 922 tilting n 1/3200s 5.9/s Y Y
4.
 
Canon G5 X2360 n3.0 / 1040 swivel Y 1/2000s 5.9/s Y Y
5.
 
Canon G7 Xnone n3.0 / 1040 tilting Y 1/2000s 6.5/s Y Y
6.
 
Fujifilm XF10none n3.0 / 1040 fixed Y 1/4000s 6.0/s Y n
7.
 
Panasonic TZ952330 n3.0 / 1040 tilting Y 1/2000s 10.0/s Y Y
8.
 
Panasonic FT71170 n3.0 / 1040 fixed n 1/1300s 10.0/s Y Y
9.
 
Panasonic FZ25002360 n3.0 / 1040 swivel Y 1/4000s 12.0/s Y Y
10.
 
Panasonic FZ10002359 n3.0 / 921 swivel n 1/4000s 12.0/s Y Y
11.
 
Panasonic LX5optional n3.0 / 460 fixed n 1/4000s 2.5/s Y Y
12.
 
Sony ZV-1 IInone n3.0 / 922 swivel Y 1/2000s 24.0/s n n
13.
 
Sony RX100 VII2359 n3.0 / 921 tilting Y 1/2000s 90.0/s Y Y
14.
 
Sony RX100 VI2359 n3.0 / 1229 tilting Y 1/2000s 24.0/s Y Y
15.
 
Sony RX100 V2359 n3.0 / 1229 tilting n 1/2000s 24.0/s Y Y
16.
 
Sony RX100 III1440 n3.0 / 1229 tilting n 1/2000s 10.0/s Y Y
17.
 
Sony RX100 IIoptional n3.0 / 1229 tilting n 1/2000s 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 differentiating feature between the two cameras concerns the touch sensitivity of the rear screen. The TZ90 has a touchscreen, while the RX100 IV has a conventional panel. Touch control can be particularly helpful, for example, for setting the focus point.

Both cameras have an articulated rear screen that can be turned to be front-facing. This feature will be particularly appreciated by vloggers and photographers who are interested in taking selfies.

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, both cameras under consideration feature an 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 RX100 IV and the TZ90 have zoom lenses built in. The RX100 IV has a 24-70mm f/1.8-2.8 optic and the TZ90 offers a 24-720mm f/3.3-6.4 (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 TZ90 uses SDXC cards. Both cameras can use UHS-I cards, which provide for Ultra High Speed data transfer of up to 104 MB/s.

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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-RX100 IV and Panasonic Lumix DC-TZ90 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 RX100 IV-stereo / mono--micro2.0YY-
2.
 
Panasonic TZ90-stereo / mono--micro2.0Y--
3.
 
Canon SX730-stereo / mono--micro2.0YYY
4.
 
Canon G5 XYstereo / mono--mini2.0YY-
5.
 
Canon G7 X-stereo / mono--micro2.0YY-
6.
 
Fujifilm XF10-stereo / monoY-micro2.0Y-Y
7.
 
Panasonic TZ95-stereo / mono--micro2.0Y-Y
8.
 
Panasonic FT7-stereo / mono--micro2.0Y--
9.
 
Panasonic FZ2500Ystereo / monoYYmicro2.0Y--
10.
 
Panasonic FZ1000Ystereo / monoY-micro2.0YY-
11.
 
Panasonic LX5Ymono / mono--mini2.0---
12.
 
Sony ZV-1 IIYstereo / monoY-micro2.0Y-Y
13.
 
Sony RX100 VII-stereo / monoY-micro2.0YYY
14.
 
Sony RX100 VI-stereo / mono--micro2.0YYY
15.
 
Sony RX100 V-stereo / mono--micro2.0YY-
16.
 
Sony RX100 III-stereo / mono--micro2.0YY-
17.
 
Sony RX100 IIYstereo / mono--micro2.0YY-
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Both the RX100 IV and the TZ90 have been discontinued, but can regularly be found used on ebay. The RX100 IV was replaced by the Sony RX100 IV, while the TZ90 was followed by the Panasonic TZ95. Further information on the features and operation of the RX100 IV and TZ90 can be found, respectively, in the Sony RX100 IV Manual (free pdf) or the online Panasonic TZ90 Manual.

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Review summary

So what is the bottom line? Is there a clear favorite between the Sony RX100 IV and the Panasonic TZ90? Which camera is better? The listing below highlights the relative strengths of the two models.

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

  • Better moiré control: Has an anti-alias filter to avoid artificial patterns to appear in images.
  • Better image quality: Scores substantially higher (34 points) in the DXO overall assessment.
  • Richer colors: Generates images with noticeably better colors (3.7 bits more color depth).
  • More dynamic range: Captures a larger spectrum of light and dark details (2 EV of extra DR).
  • Better low-light sensitivity: Requires less light for good images (2.5 stops ISO advantage).
  • More detailed viewfinder: Has higher resolution electronic viewfinder (2359k vs 1166k dots).
  • Larger viewfinder image: Features a viewfinder with a higher magnification (0.59x vs 0.46x).
  • More detailed LCD: Has a higher resolution rear screen (1228k vs 1040k dots).
  • Faster burst: Shoots at higher frequency (16 vs 10 flaps/sec) to capture the decisive moment.
  • Better light gathering: Has a lens with a wider maximum aperture (f/1.8 vs f/3.3).
  • More compact: Is smaller (102x58mm vs 112x67mm) and thus needs less room in the bag.
  • Easier device pairing: Supports NFC for fast wireless image transfer over short distances.
  • More heavily discounted: Has been on the market for longer (launched in June 2015).

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Reasons to prefer the Panasonic Lumix DC-TZ90:

  • Maximized detail: Lacks an anti-alias filter to exploit the sensor's full resolution potential.
  • Fewer buttons to press: Has a touchscreen to facilitate handling and shooting adjustments.
  • More tele-reach: Has a longer tele-lens for perspective compression and subject magnification.
  • Longer lasting: Gets more shots (380 versus 280) out of a single battery charge.
  • More affordable: Was introduced into a lower priced category (55 percent cheaper at launch).
  • More modern: Was introduced somewhat (1 year and 10 months) more recently.

If the count of individual advantages (bullet points above) is taken as a guide, the RX100 IV is the clear winner of the match-up (13 : 6 points). However, the relevance of individual strengths will vary across photographers, so that you might want to apply your own weighing scheme to the summary points when reflecting and deciding on a new camera. A professional wildlife photographer will view the differences between cameras in a way that diverges from the perspective of a family photog, and a person interested in architecture has distinct needs from a sports shooter. Hence, the decision which camera is best and worth buying is often a very personal one.

RX100 IV 13:06 TZ90

How about other alternatives? Do the specifications of the Sony RX100 IV and the Panasonic TZ90 place the cameras among the top in their class? Find out in the latest Best Travel-Zoom Camera and Best Superzoom Camera listings whether the two cameras rank among the cream of the crop.

In any case, while the comparison of technical specifications can provide a useful overview of the capabilities of different cameras, it remains incomplete and does no justice, for example, to the way the RX100 IV or the TZ90 perform in practice. 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 where reviews by experts come in. 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 RX100 IV4.5/5+ +..85/1004/54.5/5 Jun 2015 999ebay.com
2.
 
Panasonic TZ90..+ +4/5..4/54/5 Apr 2017 449ebay.com
3.
 
Canon SX730..+....4/54/5 Apr 2017 399ebay.com
4.
 
Canon G5 X5/5+ +..78/1004.5/54.5/5 Oct 2015 799ebay.com
5.
 
Canon G7 X4/5+ +..77/1004.5/54.5/5 Sep 2014 699ebay.com
6.
 
Fujifilm XF10....4/575/1004/54.5/5 Jul 2018 499ebay.com
7.
 
Panasonic TZ95..+ +....4.5/5.. Feb 2019 449ebay.com
8.
 
Panasonic FT7..+....3.5/53.5/5 May 2018 449ebay.com
9.
 
Panasonic FZ2500..+..82/1004.5/55/5 Sep 2016 1,199 amazon.com
10.
 
Panasonic FZ10004/5+ +..82/1004.5/54.5/5 Jun 2014 899ebay.com
11.
 
Panasonic LX54/5+..73/1004.5/54.5/5 Jul 2010 499ebay.com
12.
 
Sony ZV-1 II4.5/5..3.5/583/1003.5/54.5/5 May 2023 899 amazon.com
13.
 
Sony RX100 VII4.5/5..4/5..4/55/5 Jul 2019 1,199 amazon.com
14.
 
Sony RX100 VI4.5/5+ +..83/1004/54.5/5 Jun 2018 1,199ebay.com
15.
 
Sony RX100 V4.5/5+ +..83/1004/54.5/5 Oct 2016 999ebay.com
16.
 
Sony RX100 III5/5+ +..82/1004.5/55/5 May 2014 799ebay.com
17.
 
Sony RX100 II5/5+ +..79/1004.5/54.5/5 Jun 2013 749ebay.com
Note: (+ +) highly recommended; (+) recommended; (o) reviewed; (..) not available.
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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. A score, therefore, has to be seen in close connection to the price and market introduction time 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.

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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.

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    Specifications: Sony RX100 IV vs Panasonic TZ90

    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 RX100 IV Panasonic TZ90
    Camera Type Fixed lens compact camera Fixed lens compact camera
    Camera Lens 24-70mm f/1.8-2.8 24-720mm f/3.3-6.4
    Launch Date June 2015 April 2017
    Launch Price USD 999 USD 449
    Sensor Specs Sony RX100 IV Panasonic TZ90
    Sensor Technology BSI-CMOS BSI-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 20.2 Megapixels
    Image Resolution 5472 x 3648 pixels 5184 x 3888 pixels
    Pixel Pitch 2.41 μm 1.18 μm
    Pixel Density 17.18 MP/cm2 71.80 MP/cm2
    Moiré control Anti-Alias filter no AA filter
    Movie Capability 4K/30p Video 4K/30p Video
    ISO Setting 125 - 12,800 ISO 80 - 3,200 ISO
    ISO Boost 80 - 25,600 ISO 80 - 6,400 ISO
    Image Processor BIONZ X Venus
    DXO Sensor Quality (score) 70 36
    DXO Color Depth (bits) 22.8 19.1
    DXO Dynamic Range (EV) 12.6 10.6
    DXO Low Light (ISO) 591 106
    Screen Specs Sony RX100 IV Panasonic TZ90
    Viewfinder Type Electronic viewfinder Electronic viewfinder
    Viewfinder Field of View 100% 100%
    Viewfinder Magnification 0.59x 0.46x
    Viewfinder Resolution 2359k dots 1166k dots
    LCD Framing Live View Live View
    Rear LCD Size 3.0inch 3.0inch
    LCD Resolution 1228k dots 1040k dots
    LCD Attachment Tilting screen Tilting screen
    Touch Input no Touchscreen Touchscreen
    Shooting Specs Sony RX100 IV Panasonic TZ90
    Focus System Contrast-detect AF Contrast-detect AF
    Manual Focusing AidFocus PeakingFocus Peaking
    Max Shutter Speed (mechanical) 1/2000s 1/2000s
    Continuous Shooting 16 shutter flaps/s 10 shutter flaps/s
    Electronic Shutterup to 1/32000sup to 1/16000s
    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 UHS-I
    Connectivity Specs Sony RX100 IV Panasonic TZ90
    External Flash no Hotshoe no Hotshoe
    USB Connector USB 2.0 USB 2.0
    HDMI Port micro HDMI micro HDMI
    Wifi Support Wifi built-in Wifi built-in
    Near-Field Communication NFC built-in no NFC
    Body Specs Sony RX100 IV Panasonic TZ90
    Battery Type Sony NP-BX1 Panasonic DMW-BLG10
    Battery Life (CIPA)280 shots per charge380 shots per charge
    In-Camera Charging USB charging USB charging
    Body Dimensions 102 x 58 x 41 mm
    (4.0 x 2.3 x 1.6 in)
    112 x 67 x 41 mm
    (4.4 x 2.6 x 1.6 in)
    Camera Weight 298 g (10.5 oz) 322 g (11.4 oz)
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