Panasonic GX800 vs TZ90
The Panasonic Lumix DMC-GX800 (called Panasonic GX850 in some regions) and the Panasonic Lumix DC-TZ90 (labelled Panasonic ZS70 in some countries) are two digital cameras that were revealed to the public, respectively, in January 2017 and April 2017. The GX800 is a mirrorless interchangeable lens camera, while the TZ90 is a fixed lens compact. The cameras are based on a Four Thirds (GX800) and a 1/2.3-inch (TZ90) sensor. The GX800 has a resolution of 15.8 megapixels, whereas the TZ90 provides 20.2 MP.
Below is an overview of the main specs of the two cameras as a starting point for the comparison.
|Panasonic GX800||Panasonic TZ90|
|Mirrorless system camera||Fixed lens compact camera|
|Micro Four Thirds lenses||24-720mm f/3.3-6.4|
|15.8 MP, Four Thirds Sensor||20.2 MP, 1/2.3" Sensor|
|4K/30p Video||4K/30p Video|
|ISO 200-25600||ISO 80-3200 (80-6400)|
|No viewfinder, LCD framing||Electronic viewfinder (1166k dots)|
|3.0" LCD, 1040k dots||3.0" LCD, 1040k dots|
|Tilting touchscreen||Tilting touchscreen|
|10 shutter flaps per second||10 shutter flaps per second|
|210 shots per battery charge||380 shots per battery charge|
|107 x 65 x 33 mm, 269 g||112 x 67 x 41 mm, 322 g|
Going beyond this snapshot of core features and characteristics, what are the differences between the Panasonic Lumix DMC-GX800 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.
The physical size and weight of the Panasonic GX800 and the Panasonic TZ90 are illustrated in the side-by-side display below. The two cameras are presented according to their relative size. Three consecutive perspectives from the front, the top, and the back are available. All size dimensions are rounded to the nearest millimeter.
The GX800 can be obtained in three different colors (black, silver, red), while the TZ90 is available in two color-versions (black, silver).
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 (8 percent) than the Panasonic GX800. In this context, it is worth noting that neither the GX800 nor the TZ90 are weather-sealed.
The above size and weight comparisons are to some extent incomplete and possibly misleading, as the TZ90 has a lens built in, whereas the GX800 is an interchangeable lens camera that requires a separate lens. Attaching the latter will add extra weight and bulk to the setup. You can compare the optics available for the GX800 and their specifications in the Micro Four Thirds Lens Catalog.
Concerning battery life, the GX800 gets 210 shots out of its DMW-BLH7 battery, while the TZ90 can take 380 images on a single charge of its DMW-BLG10 power pack. The power pack in the TZ90 can be charged via the USB port, which can be very convenient 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, just click on the right or left arrow next to the camera that you would like to inspect. Alternatively, you can also use the CAM-parator to select your camera combination among a larger number of options.
|Panasonic GX800»||107 mm||65 mm||33 mm||269 g||210||n||Jan 2017||549||Panasonic GX800|
|Panasonic TZ90«||112 mm||67 mm||41 mm||322 g||380||n||Apr 2017||449||Panasonic TZ90|
|Canon M100« »||108 mm||67 mm||35 mm||302 g||295||n||Aug 2017||499||Canon M100|
|Canon SX730« »||110 mm||64 mm||40 mm||300 g||250||n||Apr 2017||399||Canon SX730|
|Canon M10« »||108 mm||67 mm||35 mm||301 g||255||n||Oct 2015||499||Canon M10|
|Fujifilm XF10« »||113 mm||64 mm||41 mm||279 g||330||n||Jul 2018||499||Fujifilm XF10|
|Panasonic TZ95« »||112 mm||69 mm||42 mm||327 g||380||n||Feb 2019||449||Panasonic TZ95|
|Panasonic FT7« »||117 mm||76 mm||37 mm||319 g||300||Y||May 2018||449||Panasonic FT7|
|Panasonic GX80« »||122 mm||71 mm||44 mm||426 g||290||n||Apr 2016||799||Panasonic GX80|
|Panasonic G7« »||125 mm||86 mm||77 mm||410 g||350||n||May 2015||649||Panasonic G7|
|Panasonic GF7« »||107 mm||65 mm||33 mm||266 g||230||n||Jan 2015||499||Panasonic GF7|
|Panasonic GM5« »||99 mm||60 mm||36 mm||211 g||220||n||Sep 2014||749||Panasonic GM5|
|Panasonic G6« »||122 mm||85 mm||71 mm||390 g||340||n||Apr 2013||599||Panasonic G6|
|Panasonic GF6« »||111 mm||65 mm||38 mm||323 g||340||n||Apr 2013||499||Panasonic GF6|
|Panasonic GM1« »||99 mm||55 mm||30 mm||204 g||230||n||Oct 2013||749||Panasonic GM1|
|Panasonic GF5« »||108 mm||67 mm||37 mm||267 g||360||n||Apr 2012||499||Panasonic GF5|
|Panasonic LX5« »||110 mm||65 mm||43 mm||271 g||400||n||Jul 2010||499||Panasonic LX5|
|Note: Measurements and pricing do not include easily detachable parts, such as interchangeable lenses or optional viewfinders.|
Any camera decision will obviously take relative prices into account. 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 TZ90 was launched at a lower price than the GX800, despite having a lens built in. Normally, street prices remain initially close to the MSRP, but after a couple of months, the first discounts appear. 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.
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. 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 Panasonic GX800 features a Four Thirds sensor and the Panasonic TZ90 a 1/2.3-inch sensor. The sensor area in the TZ90 is 88 percent smaller. As a result of these sensor size differences, the cameras have a format factor of, respectively, 2.0 and 5.6. Both cameras feature a native aspect ratio (sensor width to sensor height) of 4:3.
Despite having a smaller sensor, the TZ90 offers a higher resolution of 20.2 megapixels, compared with 15.8 MP of the GX800. 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 3.77μm for the GX800). However, it should be noted that the TZ90 is a somewhat more recent model (by 3 months) than the GX800, 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 neither of the two cameras has an anti-alias filter installed, so they are able to capture all the detail the sensor resolves.
The resolution advantage of the Panasonic TZ90 implies greater flexibility for cropping images or the possibility to print larger pictures. The maximum print size of the TZ90 for good quality output (200 dots per inch) amounts to 25.9 x 19.4 inch or 65.8 x 49.4 cm, for very good quality (250 dpi) 20.7 x 15.6 inch or 52.7 x 39.5 cm, and for excellent quality (300 dpi) 17.3 x 13 inch or 43.9 x 32.9 cm. The corresponding values for the Panasonic GX800 are 23 x 17.2 inch or 58.3 x 43.8 cm for good quality, 18.4 x 13.8 inch or 46.7 x 35 cm for very good quality, and 15.3 x 11.5 inch or 38.9 x 29.2 cm for excellent quality prints.
The Panasonic Lumix DMC-GX800 has a native sensitivity range from ISO 200 to ISO 25600, which can be extended to ISO 100-25600. 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.
Consistent information on actual sensor performance is available from DXO Mark for many cameras. This service determines an overall sensor rating, as well as sub-scores for low-light sensitivity ("DXO Sports"), dynamic range ("DXO Landscape"), and color depth ("DXO Portrait"). Of the two cameras under review, the GX800 provides substantially higher image quality than the TZ90, with an overall score that is 37 points higher. This advantage is based on 4.1 bits higher color depth, 2.7 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.
|Panasonic GX800||Four Thirds||15.8||4592||3448||4K/30p||23.2||13.3||586||73||Panasonic GX800|
|Panasonic TZ90||1/2.3||20.2||5184||3888||4K/30p||19.1||10.6||106||36||Panasonic TZ90|
|Canon M100||APS-C||24.0||6000||4000||1080/60p||23.5||12.9||1272||78||Canon M100|
|Canon SX730||1/2.3||20.2||5184||3888||1080/60p||..||..||..||..||Canon SX730|
|Canon M10||APS-C||17.9||5184||3456||1080/30p||22.2||11.4||753||65||Canon M10|
|Fujifilm XF10||APS-C||24.0||6000||4000||4K/15p||..||..||..||..||Fujifilm XF10|
|Panasonic TZ95||1/2.3||20.2||5184||3888||4K/30p||..||..||..||..||Panasonic TZ95|
|Panasonic FT7||1/2.3||20.2||5184||3888||4K/30p||..||..||..||..||Panasonic FT7|
|Panasonic GX80||Four Thirds||15.8||4592||3448||4K/30p||22.9||12.6||662||71||Panasonic GX80|
|Panasonic G7||Four Thirds||15.8||4592||3448||4K/30p||..||..||..||..||Panasonic G7|
|Panasonic GF7||Four Thirds||15.8||4592||3448||1080/60p||..||..||..||..||Panasonic GF7|
|Panasonic GM5||Four Thirds||15.8||4592||3448||1080/60p||22.1||11.7||721||66||Panasonic GM5|
|Panasonic G6||Four Thirds||15.9||4608||3456||1080/60p||21.3||11.5||639||61||Panasonic G6|
|Panasonic GF6||Four Thirds||15.8||4592||3448||1080/60i||20.7||10.6||622||54||Panasonic GF6|
|Panasonic GM1||Four Thirds||15.8||4592||3448||1080/60i||22.3||11.7||660||66||Panasonic GM1|
|Panasonic GF5||Four Thirds||12.0||4000||3000||1080/60i||21.4||11.6||618||61||Panasonic GF5|
|Panasonic LX5||1/1.7||10.0||3648||2736||720/60p||19.6||10.8||132||41||Panasonic LX5|
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, and both provide the same movie specifications (4K/30p).
Beyond body and sensor, cameras can and do differ across a range of features. For example, the TZ90 has an electronic viewfinder (1166k dots), which can be very helpful when shooting in bright sunlight. In contrast, the GX800 relies on live view and the rear LCD for framing. The table below summarizes some of the other core capabilities of the Panasonic GX800 and Panasonic TZ90 in connection with corresponding information for a sample of similar cameras.
|Panasonic GX800||none||n||3.0||1040||tilting||Y||1/500s||10.0||Y||n||Panasonic GX800|
|Panasonic TZ90||1166||n||3.0||1040||tilting||Y||1/2000s||10.0||Y||Y||Panasonic TZ90|
|Canon M100||none||n||3.0||1040||tilting||Y||1/4000s||6.1||Y||n||Canon M100|
|Canon SX730||none||n||3.0||922||tilting||n||1/3200s||5.9||Y||Y||Canon SX730|
|Canon M10||none||n||3.0||1040||tilting||Y||1/4000s||4.6||Y||n||Canon M10|
|Fujifilm XF10||none||n||3.0||1040||fixed||Y||1/4000s||6.0||Y||n||Fujifilm XF10|
|Panasonic TZ95||2330||n||3.0||1040||tilting||Y||1/2000s||10.0||Y||Y||Panasonic TZ95|
|Panasonic FT7||1170||n||3.0||1040||fixed||n||1/1300s||10.0||Y||Y||Panasonic FT7|
|Panasonic GX80||2765||n||3.0||1040||tilting||Y||1/4000s||8.0||Y||Y||Panasonic GX80|
|Panasonic G7||2360||n||3.0||1040||swivel||Y||1/4000s||7.0||Y||n||Panasonic G7|
|Panasonic GF7||none||n||3.0||1040||tilting||Y||1/500s||5.8||Y||n||Panasonic GF7|
|Panasonic GM5||1166||n||3.0||921||fixed||Y||1/500s||5.8||n||n||Panasonic GM5|
|Panasonic G6||1440||n||3.0||1036||swivel||Y||1/4000s||7.0||Y||n||Panasonic G6|
|Panasonic GF6||none||n||3.0||1040||tilting||Y||1/4000s||4.2||Y||n||Panasonic GF6|
|Panasonic GM1||none||n||3.0||1036||fixed||Y||1/500s||5.0||Y||n||Panasonic GM1|
|Panasonic GF5||none||n||3.0||920||fixed||Y||1/4000s||4.0||Y||n||Panasonic GF5|
|Panasonic LX5||optional||n||3.0||460||fixed||n||1/4000s||2.5||Y||Y||Panasonic LX5|
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).
The Panasonic GX800 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.
Concerning the storage of imaging data, both the GX800 and the TZ90 write their files to SDXC 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-GX800 and Panasonic Lumix DC-TZ90 and, in particular, the interfaces the cameras (and selected comparators) provide for accessory control and data transfer.
|Panasonic GX800||-||stereo||mono||-||-||micro||2.0||Y||-||-||Panasonic GX800|
|Panasonic TZ90||-||stereo||mono||-||-||micro||2.0||Y||-||-||Panasonic TZ90|
|Canon M100||-||stereo||mono||-||-||mini||2.0||Y||Y||Y||Canon M100|
|Canon SX730||-||stereo||mono||-||-||micro||2.0||Y||Y||Y||Canon SX730|
|Canon M10||-||stereo||mono||-||-||mini||2.0||Y||Y||-||Canon M10|
|Fujifilm XF10||-||stereo||mono||Y||-||micro||2.0||Y||-||Y||Fujifilm XF10|
|Panasonic TZ95||-||stereo||mono||-||-||micro||2.0||Y||-||Y||Panasonic TZ95|
|Panasonic FT7||-||stereo||mono||-||-||micro||2.0||Y||-||-||Panasonic FT7|
|Panasonic GX80||Y||stereo||mono||-||-||micro||2.0||Y||-||-||Panasonic GX80|
|Panasonic G7||Y||stereo||mono||Y||-||micro||2.0||Y||-||-||Panasonic G7|
|Panasonic GF7||-||stereo||mono||-||-||micro||2.0||Y||Y||-||Panasonic GF7|
|Panasonic GM5||Y||stereo||mono||-||-||micro||2.0||Y||-||-||Panasonic GM5|
|Panasonic G6||Y||stereo||mono||Y||-||mini||2.0||Y||Y||-||Panasonic G6|
|Panasonic GF6||-||stereo||mono||-||-||mini||2.0||Y||Y||-||Panasonic GF6|
|Panasonic GM1||-||stereo||mono||-||-||micro||2.0||Y||-||-||Panasonic GM1|
|Panasonic GF5||-||stereo||mono||-||-||mini||2.0||-||-||-||Panasonic GF5|
|Panasonic LX5||Y||mono||mono||-||-||mini||2.0||-||-||-||Panasonic LX5|
The GX800 is a recent model that features in the current product line-up of Panasonic. In contrast, the TZ90 has been discontinued (but it can be found pre-owned on eBay). As a replacement in the same line of cameras, the TZ90 was succeeded by the Panasonic TZ95. Further information on the two cameras (e.g. user guides, manuals), as well as related accessories, can be found on the official Panasonic website.
So how do things add up? Is the Panasonic GX800 better than the Panasonic TZ90 or vice versa? Below is a summary of the relative strengths of each of the two contestants.
Reasons to prefer the Panasonic Lumix DMC-GX800:
- Better image quality: Scores substantially higher (37 points) in the DXO overall assessment.
- Richer colors: Generates images with noticeably better colors (4.1 bits more color depth).
- More dynamic range: Captures a larger spectrum of light and dark details (2.7 EV of extra DR).
- Better low-light sensitivity: Requires less light for good images (2.5 stops ISO advantage).
- Easier time-lapse photography: Has an intervalometer built-in for low frequency shooting.
- More flexible: Accepts interchangeable lenses, so that lens characteristics can be altered.
- More heavily discounted: Has been on the market for longer (launched in January 2017).
Advantages of the Panasonic Lumix DC-TZ90:
- More detail: Has more megapixels (20.2 vs 15.8MP), which boosts linear resolution by 13%.
- Easier framing: Has an electronic viewfinder for image composition and settings control.
- Faster shutter: Has higher mechanical shutter speed (1/2000s vs 1/500s) to freeze action.
- Ready to shoot: Has an integrated lens, whereas the GX800 necessitates an extra lens.
- Longer lasting: Gets more shots (380 versus 210) out of a single battery charge.
- Easier travel charging: Can be conveniently charged via its USB port.
- Sharper images: Has stabilization technology built-in to reduce the impact of hand-shake.
- More affordable: Was introduced at a lower price, despite coming with a built-in lens.
- More modern: Was introduced somewhat (3 months) more recently.
If the count of individual advantages (bullet points above) is taken as a guide, the TZ90 comes out slightly ahead of the GX800 (8 : 7 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 sports photographer will view the differences between cameras in a way that diverges from the perspective of a street photog, and a person interested in family portraits has distinct needs from a landscape 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 GX800 and the Panasonic TZ90 place the cameras among the top in their class? Find out in the latest Best Mirrorless Interchangeable Lens 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 GX800 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.
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 (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.
The above review scores should be interpreted with care, though. The ratings are only valid when referring to cameras in the same category and of the same age. Hence, a score should always be seen in the context of the camera's market launch date and its price, and comparing ratings of very distinct cameras or ones that are far apart in terms of their release date have little meaning. Also, please note that some of the review sites have changed their methodology and reporting over time.
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 make a corresponding selection in the search boxes below. Alternatively, you can follow any of the listed hyperlinks for comparisons that others found interesting.
- Canon G9 X Mark II vs Panasonic TZ90
- Canon SX740 vs Panasonic GX800
- Canon SX740 vs Panasonic TZ90
- Contax N Digital vs Panasonic GX800
- Fujifilm GFX 50R vs Panasonic GX800
- Leica M10 vs Panasonic GX800
- Nikon D7500 vs Panasonic GX800
- Nikon P1000 vs Panasonic TZ90
- Panasonic GX800 vs Sony A7R IV
- Panasonic GX9 vs Panasonic TZ90
- Panasonic TZ90 vs Pentax K-5
- Panasonic TZ90 vs Sony RX10 IV
Specifications: Panasonic GX800 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 Model||Panasonic GX800||Panasonic TZ90|
|Camera Type||Mirrorless system camera||Fixed lens compact camera|
|Camera Lens||Micro Four Thirds lenses||24-720mm f/3.3-6.4|
|Launch Date||January 2017||April 2017|
|Launch Price||USD 549||USD 449|
|Sensor Specs||Panasonic GX800||Panasonic TZ90|
|Sensor Format||Four Thirds Sensor||1/2.3" Sensor|
|Sensor Size||17.3 x 13.0 mm||6.17 x 4.55 mm|
|Sensor Area||224.9 mm2||28.0735 mm2|
|Sensor Diagonal||21.6 mm||7.7 mm|
|Sensor Resolution||15.8 Megapixels||20.2 Megapixels|
|Image Resolution||4592 x 3448 pixels||5184 x 3888 pixels|
|Pixel Pitch||3.77 μm||1.18 μm|
|Pixel Density||7.04 MP/cm2||71.80 MP/cm2|
|Moiré control||no AA filter||no AA filter|
|Movie Capability||4K/30p Video||4K/30p Video|
|ISO Setting||200-25600 ISO||80-3200 ISO|
|ISO Boost||100-25600 ISO||80-6400 ISO|
|DXO Sensor Quality (score)||73||36|
|DXO Color Depth (bits)||23.2||19.1|
|DXO Dynamic Range (EV)||13.3||10.6|
|DXO Low Light (ISO)||586||106|
|Screen Specs||Panasonic GX800||Panasonic TZ90|
|Viewfinder Type||No viewfinder||Electronic viewfinder|
|Viewfinder Field of View||100%|
|Viewfinder Resolution||1166k dots|
|LCD Framing||Live View||Live View|
|Rear LCD Size||3.0 inch||3.0 inch|
|LCD Resolution||1040k dots||1040k dots|
|LCD Attachment||Tilting screen||Tilting screen|
|Shooting Specs||Panasonic GX800||Panasonic TZ90|
|Autofocus System||Contrast-detect AF||Contrast-detect AF|
|Manual Focusing Aid||Focus Peaking||Focus Peaking|
|Max Shutter Speed (mechanical)||1/500/s||1/2000/s|
|Continuous Shooting||10 shutter flaps/s||10 shutter flaps/s|
|Electronic Shutter||up to 1/16000s||up to 1/16000s|
|Time-Lapse Photography||Intervalometer built-in||no Intervalometer|
|Fill Flash||Build-in Flash||Build-in Flash|
|Storage Medium||SDXC cards||SDXC cards|
|Second Storage Option||Single card slot||Single card slot|
|UHS card support||UHS-I||UHS-I|
|Connectivity Specs||Panasonic GX800||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|
|Body Specs||Panasonic GX800||Panasonic TZ90|
|Battery Life (CIPA)||210 shots per charge||380 shots per charge|
|In-Camera Charging||no USB charging||USB charging|
107 x 65 x 33 mm
(4.2 x 2.6 x 1.3 in)
112 x 67 x 41 mm
(4.4 x 2.6 x 1.6 in)
|Camera Weight||269 g (9.5 oz)||322 g (11.4 oz)|
Did you notice an error on this page? If so, please get in touch, so that we can correct the information.