Panasonic TZ100 vs Sony RX100 III
The Panasonic Lumix DMC-TZ100 (called Panasonic ZS100 in some regions) and the Sony Cyber-shot DSC-RX100 III are two digital cameras that were officially introduced, respectively, in January 2016 and May 2014. Both the TZ100 and the RX100 III are fixed lens compact cameras that are equipped with an one-inch sensor. Both cameras offer a resolution of 20 megapixels.
Below is an overview of the main specs of the two cameras as a starting point for the comparison.
|Panasonic TZ100||Sony RX100 III|
|Fixed lens compact camera||Fixed lens compact camera|
|25-250mm f/2.8-5.9||24-70mm f/1.8-2.8|
|20 MP, 1" Sensor||20 MP, 1" Sensor|
|4K/30p Video||1080/60p Video|
|ISO 125-12,800 (80 - 25,600)||ISO 100-12,800 (80 - 25,600)|
|Electronic viewfinder (1166k dots)||Electronic viewfinder (1440k dots)|
|3.0 LCD, 1040k dots||3.0 LCD, 1229k dots|
|Fixed touchscreen||Tilting screen (not touch-sensitive)|
|10 shutter flaps per second||10 shutter flaps per second|
|In-body stabilization||Lens-based stabilization|
|300 shots per battery charge||320 shots per battery charge|
|111 x 65 x 44 mm, 312 g||102 x 58 x 41 mm, 290 g|
Going beyond this snapshot of core features and characteristics, what are the differences between the Panasonic Lumix DMC-TZ100 and the Sony Cyber-shot DSC-RX100 III? 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.
The physical size and weight of the Panasonic TZ100 and the Sony RX100 III are illustrated in the side-by-side display below. The two cameras are presented according to their relative size. Three consecutive views from the front, the top, and the rear side are shown. All size dimensions are rounded to the nearest millimeter.
The TZ100 can be obtained in two different colors (black, silver), while the RX100 III is only available in black.
If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Sony RX100 III is notably smaller (18 percent) than the Panasonic TZ100. Moreover, the RX100 III is markedly lighter (7 percent) than the TZ100. In this context, it is worth noting that neither the TZ100 nor the RX100 III are weather-sealed.
Concerning battery life, the TZ100 gets 300 shots out of its DMW-BLG10 battery, while the RX100 III can take 320 images on a single charge of its NP-BX1 power pack. The battery packs of both cameras can be charged via USB, which can be very convenient when travelling.
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.
|Panasonic TZ100||4.4 in||2.6 in||1.7 in||11.0 oz||300||n||Jan 2016||699|
|Sony RX100 III||4.0 in||2.3 in||1.6 in||10.2 oz||320||n||May 2014||799|
|Canon G7 X Mark II||4.2 in||2.4 in||1.7 in||11.3 oz||265||n||Feb 2016||699|
|Canon G5 X||4.4 in||3.0 in||1.7 in||12.5 oz||210||n||Oct 2015||799|
|Canon M3||4.4 in||2.7 in||1.7 in||12.9 oz||250||n||Feb 2015||679|
|Canon G7 X||4.1 in||2.4 in||1.6 in||10.7 oz||210||n||Sep 2014||699|
|Panasonic TZ200||4.4 in||2.6 in||1.8 in||12.0 oz||370||n||Feb 2018||799|
|Panasonic TZ90||4.4 in||2.6 in||1.6 in||11.4 oz||380||n||Apr 2017||449|
|Panasonic GX80||4.8 in||2.8 in||1.7 in||15.0 oz||290||n||Apr 2016||799|
|Panasonic LX15||4.2 in||2.4 in||1.7 in||10.9 oz||260||n||Sep 2016||699|
|Sony RX100 VII||4.0 in||2.3 in||1.7 in||10.7 oz||260||n||Jul 2019||1,199|
|Sony RX100 V||4.0 in||2.3 in||1.6 in||10.5 oz||220||n||Oct 2016||999|
|Sony RX100 IV||4.0 in||2.3 in||1.6 in||10.5 oz||280||n||Jun 2015||999|
|Sony RX100 II||4.0 in||2.3 in||1.5 in||9.9 oz||350||n||Jun 2013||749|
|Sony RX100||4.0 in||2.3 in||1.4 in||8.5 oz||330||n||Jun 2012||649|
Notes: Measurements and pricing do not include easily detachable parts, such as add-on or interchangeable lenses or optional viewfinders.
(1) Number of images that can be taken on a full battery charge according to the CIPA-standard; (2) Official announcement.
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 TZ100 was launched at a somewhat lower price (by 13 percent) than the RX100 III, 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.
The size of the imaging sensor is a crucial determinant 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. 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 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.
The two cameras under review do not only share the same sensor size, but also offer an identical resolution of 20 megapixels. This similarity in sensor specs implies that both the TZ100 and the RX100 III have the same pixel density, as well as the same pixel size. It should, however, be noted that the TZ100 is a somewhat more recent model (by 1 year and 7 months) than the RX100 III, and its sensor might have benefitted from technological advances during this time.
The Panasonic Lumix DMC-TZ100 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 Sony Cyber-shot DSC-RX100 III are ISO 100 to ISO 12800, with the possibility to increase the ISO range to 80-25600.
For many cameras, data on sensor performance has been reported by DXO Mark. 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 Overall DXO ratings for the two cameras under consideration are close, suggesting that they provide similar imaging performance. The adjacent table reports on the physical sensor characteristics and the outcomes of the DXO sensor quality tests for a sample of comparator-cameras.
|Sony RX100 III||1-inch||20.0||5472||3648||1080/60p||22.4||12.3||495||67|
|Canon G7 X Mark II||1-inch||20.0||5472||3648||1080/60p||..||..||..||..|
|Canon G5 X||1-inch||20.0||5472||3648||1080/60p||..||..||..||..|
|Canon G7 X||1-inch||20.0||5472||3648||1080/60p||23.0||12.7||556||71|
|Panasonic GX80||Four Thirds||15.8||4592||3448||4K/30p||22.9||12.6||662||71|
|Sony RX100 VII||1-inch||20.0||5472||3648||4K/30p||21.8||12.4||418||63|
|Sony RX100 V||1-inch||20.0||5472||3648||4K/30p||22.8||12.4||586||70|
|Sony RX100 IV||1-inch||20.0||5472||3648||4K/30p||22.8||12.6||591||70|
|Sony RX100 II||1-inch||20.0||5472||3648||1080/60p||22.5||12.4||483||67|
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, but the TZ100 provides a higher video resolution than the RX100 III. It can shoot video footage at 4K/30p, while the Sony is limited to 1080/60p.
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 RX100 III offers a higher resolution than the one in the TZ100 (1440k vs 1166k dots). The table below summarizes some of the other core capabilities of the Panasonic TZ100 and Sony RX100 III in connection with corresponding information for a sample of similar cameras.
|Sony RX100 III||1440||n||3.0||1229||tilting||n||1/2000s||10.0||Y||Y|
|Canon G7 X Mark II||none||n||3.0||1040||tilting||Y||1/2000s||8.0||Y||Y|
|Canon G5 X||2360||n||3.0||1040||swivel||Y||1/2000s||5.9||Y||Y|
|Canon G7 X||none||n||3.0||1040||tilting||Y||1/2000s||6.5||Y||Y|
|Sony RX100 VII||2359||n||3.0||921||tilting||Y||1/2000s||90.0||Y||Y|
|Sony RX100 V||2359||n||3.0||1229||tilting||n||1/2000s||24.0||Y||Y|
|Sony RX100 IV||2359||n||3.0||1228||tilting||n||1/2000s||16.0||Y||Y|
|Sony RX100 II||optional||n||3.0||1229||tilting||n||1/2000s||10.0||Y||Y|
One differentiating feature between the two cameras concerns the touch sensitivity of the rear screen. The TZ100 has a touchscreen, while the RX100 III has a conventional panel. Touch control can be particularly helpful, for example, for setting the focus point.The RX100 III 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 TZ100 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 TZ100 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).
The Panasonic TZ100 has an intervalometer built-in. This enables the photographer to capture time lapse sequences, such as flower blooming, a sunset or moon rise, without purchasing an external camera trigger and related software.
Both the TZ100 and the RX100 III have zoom lenses built in. The TZ100 has a 25-250mm f/2.8-5.9 optic and the RX100 III offers a 24-70mm f/1.8-2.8 (focal lengths in full frame equivalent terms). Hence, the Sony provides a wider angle of view at the short end than the Panasonic, but less tele-photo reach at the long end. The RX100 III offers the faster maximum aperture.
The TZ100 writes its imaging data to SDXC cards, while the RX100 III uses SDXC or Memory Stick PRO Duo cards. Both cameras can use UHS-I cards, which provide for Ultra High Speed data transfer of up to 104 MB/s.
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 Panasonic Lumix DMC-TZ100 and Sony Cyber-shot DSC-RX100 III and, in particular, the interfaces the cameras (and selected comparators) provide for accessory control and data transfer.
| WiFi |
|Sony RX100 III||-||stereo||mono||-||-||micro||2.0||Y||Y||-|
|Canon G7 X Mark II||-||stereo||mono||-||-||micro||2.0||Y||Y||-|
|Canon G5 X||Y||stereo||mono||-||-||mini||2.0||Y||Y||-|
|Canon G7 X||-||stereo||mono||-||-||micro||2.0||Y||Y||-|
|Sony RX100 VII||-||stereo||mono||Y||-||micro||2.0||Y||Y||Y|
|Sony RX100 V||-||stereo||mono||-||-||micro||2.0||Y||Y||-|
|Sony RX100 IV||-||stereo||mono||-||-||micro||2.0||Y||Y||-|
|Sony RX100 II||Y||stereo||mono||-||-||micro||2.0||Y||Y||-|
Both the TZ100 and the RX100 III have been discontinued, but can regularly be found used on eBay. The RX100 III was replaced by the Sony RX100 IV, while the TZ100 was followed by the Panasonic TZ200. Further information on the two cameras (e.g. user guides, manuals), as well as related accessories, can be found on the official Panasonic and Sony websites.
So how do things add up? Is the Panasonic TZ100 better than the Sony RX100 III or vice versa? A synthesis of the relative strong points of each of the models is listed below.
Reasons to prefer the Panasonic Lumix DMC-TZ100:
- Better video: Provides higher definition movie capture (4K/30p vs 1080/60p).
- Larger viewfinder image: Features a viewfinder with a higher magnification (0.46x vs 0.22x).
- Fewer buttons to press: Is equipped with a touch-sensitive rear screen to facilitate handling.
- Less disturbing: Has an electronic shutter option for completely silent shooting.
- Easier time-lapse photography: Has an intervalometer built-in for low frequency shooting.
- More tele-reach: Has a longer tele-lens for perspective compression and subject magnification.
- More affordable: Was introduced into a lower priced segment (13 percent cheaper at launch).
- More modern: Is somewhat more recent (announced 1 year and 7 months after the RX100 III).
Advantages of the Sony Cyber-shot DSC-RX100 III:
- More detailed viewfinder: Has higher resolution electronic viewfinder (1440k vs 1166k dots).
- More detailed LCD: Has a higher resolution rear screen (1229k vs 1040k dots).
- More flexible LCD: Has a tilting screen for odd-angle shots in landscape orientation.
- More selfie-friendly: Has an articulated screen that can be turned to be front-facing.
- Better light gathering: Has a lens with a wider maximum aperture (f/1.8 vs f/2.8).
- Wider view: Has a wider-angle lens that facilitates landscape or interior shots.
- More compact: Is smaller (102x58mm vs 111x65mm) and will fit more readily into a 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 May 2014).
If the number of relative strengths (bullet points above) is taken as a guide, the RX100 III comes out slightly ahead of the TZ100 (9 : 8 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.
How about other alternatives? Do the specifications of the Panasonic TZ100 and the Sony RX100 III place the cameras among the top in their class? Find out in the latest Best Superzoom Camera and Best Travel-Zoom Camera listings 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 remains partial and cannot reveal, for example, the shooting experience and imaging performance when actually working with the TZ100 or the RX100 III. 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 why expert reviews are important. The following table reports the overall ratings of the cameras as published by some of the major camera review sites (cameralabs, dpreview, ephotozine, imaging-resource, and photographyblog). 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.
|Panasonic TZ100||+ +||82/100||4.5/5||4/5||4.5/5||Jan 2016||699|
|Sony RX100 III||+ +||82/100||4.5/5||4.5/5||5/5||May 2014||799|
|Canon G7 X Mark II||+ +||81/100||4.5/5||4/5||4.5/5||Feb 2016||699|
|Canon G5 X||+ +||78/100||4.5/5||4/5||4.5/5||Oct 2015||799|
|Canon M3||o||75/100||4.5/5||4.5/5||4/5||Feb 2015||679|
|Canon G7 X||+ +||77/100||4.5/5||3.5/5||4.5/5||Sep 2014||699|
|Panasonic TZ200||+ +||81/100||4.5/5||..||4.5/5||Feb 2018||799|
|Panasonic TZ90||+ +||..||4/5||..||4/5||Apr 2017||449|
|Panasonic GX80||+ +||82/100||5/5||4.5/5||5/5||Apr 2016||799|
|Panasonic LX15||+ +||81/100||4/5||4.5/5||4.5/5||Sep 2016||699|
|Sony RX100 VII||..||..||4/5||..||5/5||Jul 2019||1,199|
|Sony RX100 V||+ +||83/100||4/5||5/5||4.5/5||Oct 2016||999|
|Sony RX100 IV||+ +||85/100||4/5||4.5/5||4.5/5||Jun 2015||999|
|Sony RX100 II||+ +||79/100||4.5/5||5/5||4.5/5||Jun 2013||749|
|Sony RX100||+ +||78/100||4/5||5/5||5/5||Jun 2012||649|
|Notes: (+ +) highly recommended; (+) recommended; (o) reviewed; (..) not available.|
Care should be taken when interpreting the review scores above, though. The assessments were made in relation to similar cameras of the same technological generation. 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 would like to check on the differences and similarities of other camera models, just use the search menu below. As an alternative, you can also directly jump to any one of the listed comparisons that were previously generated by the CAM-parator tool.
- Canon 1D Mark III vs Sony RX100 III
- Canon 50D vs Sony RX100 III
- Canon G1 X vs Sony RX100 III
- Fujifilm X-E3 vs Panasonic TZ100
- Fujifilm X-T100 vs Panasonic TZ100
- Nikon B500 vs Panasonic TZ100
- Nikon B500 vs Sony RX100 III
- Nikon D4S vs Sony RX100 III
- Panasonic FZ200 vs Panasonic TZ100
- Panasonic G7 vs Sony RX100 III
- Panasonic GF2 vs Sony RX100 III
- Panasonic TZ100 vs Pentax 645D
Specifications: Panasonic TZ100 vs Sony RX100 III
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 Model||Panasonic TZ100||Sony RX100 III|
|Camera Type||Fixed lens compact camera||Fixed lens compact camera|
|Camera Lens||25-250mm f/2.8-5.9||24-70mm f/1.8-2.8|
|Launch Date||January 2016||May 2014|
|Launch Price||USD 699||USD 799|
|Sensor Specs||Panasonic TZ100||Sony RX100 III|
|Sensor Format||1" Sensor||1" Sensor|
|Sensor Size||13.2 x 8.8 mm||13.2 x 8.8 mm|
|Sensor Area||116.16 mm2||116.16 mm2|
|Sensor Diagonal||15.9 mm||15.9 mm|
|Sensor Resolution||20 Megapixels||20 Megapixels|
|Image Resolution||5472 x 3648 pixels||5472 x 3648 pixels|
|Pixel Pitch||2.41 μm||2.41 μm|
|Pixel Density||17.18 MP/cm2||17.18 MP/cm2|
|Moiré control||Anti-Alias filter||Anti-Alias filter|
|Movie Capability||4K/30p Video||1080/60p Video|
|ISO Setting||125 - 12,800 ISO||100 - 12,800 ISO|
|ISO Boost||80 - 25,600 ISO||80 - 25,600 ISO|
|Image Processor||Venus||BIONZ X|
|DXO Sensor Quality (score)||70||67|
|DXO Color Depth (bits)||22.8||22.4|
|DXO Dynamic Range (EV)||12.5||12.3|
|DXO Low Light (ISO)||559||495|
|Screen Specs||Panasonic TZ100||Sony RX100 III|
|Viewfinder Type||Electronic viewfinder||Electronic viewfinder|
|Viewfinder Field of View||100%||100%|
|Viewfinder Resolution||1166k dots||1440k dots|
|LCD Framing||Live View||Live View|
|Rear LCD Size||3.0inch||3.0inch|
|LCD Resolution||1040k dots||1229k dots|
|LCD Attachment||Fixed screen||Tilting screen|
|Touch Input||Touchscreen||no Touchscreen|
|Shooting Specs||Panasonic TZ100||Sony RX100 III|
|Focus System||Contrast-detect AF||Contrast-detect AF|
|Manual Focusing Aid||Focus Peaking||Focus Peaking|
|Max Shutter Speed (mechanical)||1/2000s||1/2000s|
|Continuous Shooting||10 shutter flaps/s||10 shutter flaps/s|
|Electronic Shutter||up to 1/16000s||no E-Shutter|
|Time-Lapse Photography||Intervalometer built-in||no Intervalometer|
|Image Stabilization||In-body stabilization||Lens-based stabilization|
|Fill Flash||Build-in Flash||Build-in Flash|
|Storage Medium||SDXC cards||MS or SDXC cards|
|Second Storage Option||Single card slot||Single card slot|
|UHS card support||UHS-I||UHS-I|
|Connectivity Specs||Panasonic TZ100||Sony RX100 III|
|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||no NFC||NFC built-in|
|Body Specs||Panasonic TZ100||Sony RX100 III|
|Battery Life (CIPA)||300 shots per charge||320 shots per charge|
|In-Camera Charging||USB charging||USB charging|
111 x 65 x 44 mm
(4.4 x 2.6 x 1.7 in)
102 x 58 x 41 mm
(4.0 x 2.3 x 1.6 in)
|Camera Weight||312 g (11.0 oz)||290 g (10.2 oz)|
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