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Panasonic TZ100 vs GX800

The Panasonic Lumix DMC-TZ100 (called Panasonic ZS100 in some regions) and the Panasonic Lumix DMC-GX800 (labelled Panasonic GX850 in some countries) are two digital cameras that were announced, respectively, in January 2016 and January 2017. The TZ100 is a fixed lens compact, while the GX800 is a mirrorless interchangeable lens camera. The cameras are based on an one-inch (TZ100) and a Four Thirds (GX800) sensor. The TZ100 has a resolution of 20 megapixels, whereas the GX800 provides 15.8 MP. Read on to find out how these two cameras compare with respect to their body size, their sensors, their features, their input-output connections, and their reception by expert reviewers.


Headline Specifications
Panasonic TZ100   Panasonic GX800
Panasonic TZ100 Panasonic GX800
Fixed lens compact camera Mirrorless system camera
25-250mm f/2.8-5.9 Micro Four Thirds lenses
20 MP, 1" Sensor 15.8 MP, Four Thirds Sensor
4K/30p Video 4K/30p Video
ISO 125-12800 (80-25600) ISO 200-25600
Electronic viewfinder (1166k dots) No viewfinder, LCD framing
3.0" LCD, 1040k dots 3.0" LCD, 1040k dots
Fixed touchscreen Tilting touchscreen
10 shutter flaps per second 10 shutter flaps per second
In-body stabilizationLens stabilization only
300 shots per battery charge210 shots per battery charge
111 x 65 x 44 mm, 312 g 107 x 65 x 33 mm, 269 g

Body comparison: Panasonic TZ100 vs GX800

The side-by-side display below illustrates the physical size and weight of the Panasonic TZ100 and the Panasonic GX800. 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 toggle the display 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 TZ100 – represents 100 percent across all the size and weight measures).

Compare Panasonic TZ100 and Panasonic GX800
Compare TZ100 versus GX800 top
Compare TZ100 or GX800 rear

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Panasonic GX800 is somewhat smaller (4 percent) than the Panasonic TZ100. In this context, it is worth noting that neither the TZ100 nor the GX800 are weather-sealed.

The above size and weight comparisons are to some extent incomplete and possibly misleading, as the TZ100 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 TZ100 gets 300 shots out of its DMW-BLG10 battery, while the GX800 can take 210 images on a single charge of its DMW-BLH7 power pack.

The table below summarizes the key physical specs of the two cameras alongside a broader set of comparators. 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.

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
Panasonic TZ100» 4.4 in 2.6 in 1.7 in 11.0 oz 300 n Jan 2016 699- i Panasonic TZ100
Panasonic GX800« 4.2 in 2.6 in 1.3 in 9.5 oz 210 n Jan 2017 549 i i Panasonic GX800
Canon G7 X Mark II« » 4.2 in 2.4 in 1.7 in 11.3 oz 265 n Feb 2016 699 i i Canon G7 X Mark II
Canon G5 X« » 4.4 in 3.0 in 1.7 in 12.5 oz 210 n Oct 2015 799 i i Canon G5 X
Canon M3« » 4.4 in 2.7 in 1.7 in 12.9 oz 250 n Feb 2015 679- i Canon M3
Canon M10« » 4.3 in 2.6 in 1.4 in 10.6 oz 255 n Oct 2015 499- i Canon M10
Canon G7 X« » 4.1 in 2.4 in 1.6 in 10.7 oz 210 n Sep 2014 699- i Canon G7 X
Panasonic TZ200« » 4.4 in 2.6 in 1.8 in 12.0 oz 370 n Feb 2018 799 i i Panasonic TZ200
Panasonic TZ90« » 4.4 in 2.6 in 1.6 in 11.4 oz 380 n Apr 2017 449 i i Panasonic TZ90
Panasonic GX80« » 4.8 in 2.8 in 1.7 in 15.0 oz 290 n Apr 2016 799 i i Panasonic GX80
Panasonic LX15« » 4.2 in 2.4 in 1.7 in 10.9 oz 260 n Sep 2016 699 i i Panasonic LX15
Panasonic GF7« » 4.2 in 2.6 in 1.3 in 9.4 oz 230 n Jan 2015 499- i Panasonic GF7
Panasonic G6« » 4.8 in 3.3 in 2.8 in 13.8 oz 340 n Apr 2013 599- i Panasonic G6
Panasonic GF6« » 4.4 in 2.6 in 1.5 in 11.4 oz 340 n Apr 2013 499- i Panasonic GF6
Panasonic GF5« » 4.3 in 2.6 in 1.5 in 9.4 oz 360 n Apr 2012 499- i Panasonic GF5
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 RX100 IV« » 4.0 in 2.3 in 1.6 in 10.5 oz 280 n Jun 2015 999- i Sony RX100 IV

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. 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: Panasonic TZ100 vs GX800

The size of the sensor inside a digital camera is one of the key determinants of image quality. A large sensor will generally have larger individual pixels that offer better low-light sensitivity, provide wider dynamic range, and have 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 tend to be associated with larger, more expensive camera bodies and lenses.

Of the two cameras under consideration, the Panasonic TZ100 features an one-inch sensor and the Panasonic GX800 a Four Thirds sensor. The sensor area in the GX800 is 94 percent bigger. As a result of these sensor size differences, the cameras have a format factor of, respectively, 2.75 and 2.0. The sensor in the TZ100 has a native 3:2 aspect ratio, while the one in the GX800 offers a 4:3 aspect.

Panasonic TZ100 and Panasonic GX800 sensor measures

Despite having a smaller sensor, the Panasonic TZ100 offers a higher resolution of 20 megapixels, compared with 15.8 MP of the Panasonic 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 2.41μm versus 3.77μm for the GX800). Moreover, it should be noted that the GX800 is a somewhat more recent model (by 1 year) than the TZ100, and its sensor might have benefitted from technological advances during this time that further enhance the light gathering capacity of its pixel-units. Coming back to sensor resolution, it should be mentioned that the GX800 has no anti-alias filter installed, so that it can capture all the detail its sensor resolves.

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 Panasonic Lumix DMC-GX800 are ISO 200 to ISO 25600, with the possibility to increase the ISO range to 100-25600..

TZ100 versus GX800 MP

For many cameras, data on sensor performance has been reported by DXO Mark. 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 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.

Sensor Characteristics
  Camera
Model
Sensor
Class
Resolution
(MP)
Horiz.
Pixels
Vert.
Pixels
Video
Format
DXO
Portrait
DXO
Landscape
DXO
Sports
DXO
Overall
Camera
Model
Panasonic TZ100» 1-inch 20.0 5472 36484K/30p22.812.555970Panasonic TZ100
Panasonic GX800« Four Thirds 15.8 4592 34484K/30p23.213.358673Panasonic GX800
Canon G7 X Mark II« » 1-inch 20.0 5472 36481080/60p----Canon G7 X Mark II
Canon G5 X« » 1-inch 20.0 5472 36481080/60p----Canon G5 X
Canon M3« » APS-C 24.0 6000 40001080/30p22.811.8116972Canon M3
Canon M10« » APS-C 17.9 5184 34561080/30p22.211.475365Canon M10
Canon G7 X« » 1-inch 20.0 5472 36481080/60p23.012.755671Canon G7 X
Panasonic TZ200« » 1-inch 20.0 5472 36484K/30p----Panasonic TZ200
Panasonic TZ90« » 1/2.3 20.2 5184 38884K/30p19.110.610636Panasonic TZ90
Panasonic GX80« » Four Thirds 15.8 4592 34484K/30p22.912.666271Panasonic GX80
Panasonic LX15« » 1-inch 20.0 5472 36484K/30p----Panasonic LX15
Panasonic GF7« » Four Thirds 15.8 4592 34481080/60p----Panasonic GF7
Panasonic G6« » Four Thirds 15.9 4608 34561080/60p21.311.563961Panasonic G6
Panasonic GF6« » Four Thirds 15.8 4592 34481080/60i20.710.662254Panasonic GF6
Panasonic GF5« » Four Thirds 12.0 4000 30001080/60i21.411.661861Panasonic GF5
Sony RX100 V« » 1-inch 20.0 5472 36484K/30p22.812.458670Sony RX100 V
Sony RX100 IV« » 1-inch 20.0 5472 36484K/30p22.812.659170Sony RX100 IV

Many modern cameras are not only capable of taking still images, but also of capturing video footage. Both cameras under consideration are equipped with sensors that have a sufficiently high read-out speed for moving images, and both provide the same movie specifications (4K/30p).

 

Feature comparison: Panasonic TZ100 vs GX800

Apart from body and sensor, cameras can and do differ across a range of features. For example, the TZ100 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 TZ100 and Panasonic GX800 in connection with corresponding information for a sample of similar cameras.

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)
Built-in
Flash
(yes/no)
Built-in
Image
Stab
Camera
Model
Panasonic TZ100»1166 n 3.0 1040 fixed Y 2000 10.0 Y Y Panasonic TZ100
Panasonic GX800«- n 3.0 1040 tilting Y 500 10.0 Y n Panasonic GX800
Canon G7 X Mark II« »- n 3.0 1040 tilting Y 2000 8.0 Y Y Canon G7 X Mark II
Canon G5 X« »2360 n 3.0 1040 swivel Y 2000 5.9 Y Y Canon G5 X
Canon M3« »- n 3.0 1040 tilting Y 4000 4.2 Y n Canon M3
Canon M10« »- n 3.0 1040 tilting Y 4000 4.6 Y n Canon M10
Canon G7 X« »- n 3.0 1040 tilting Y 2000 6.5 Y Y Canon G7 X
Panasonic TZ200« »2330 n 3.0 1240 fixed Y 2000 10.0 Y Y Panasonic TZ200
Panasonic TZ90« »1166 n 3.0 1040 tilting Y 2000 10.0 Y Y Panasonic TZ90
Panasonic GX80« »2765 n 3.0 1040 tilting Y 4000 8.0 Y Y Panasonic GX80
Panasonic LX15« »- n 3.0 1040 tilting Y 4000 10.0 Y Y Panasonic LX15
Panasonic GF7« »- n 3.0 1040 tilting Y 500 5.8 Y n Panasonic GF7
Panasonic G6« »1440 n 3.0 1036 swivel Y 4000 7.0 Y n Panasonic G6
Panasonic GF6« »- n 3.0 1040 tilting Y 4000 4.2 Y n Panasonic GF6
Panasonic GF5« »- n 3.0 920 fixed Y 4000 4.0 Y n Panasonic GF5
Sony RX100 V« »2359 n 3.0 1229 tilting n 2000 24.0 Y Y Sony RX100 V
Sony RX100 IV« »2359 n 3.0 1228 tilting n 2000 16.0 Y Y Sony RX100 IV
The GX800 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 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 (risk of rolling shutter) or shooting under artificial light sources (risk of flickering).

Concerning the storage of imaging data, both the TZ100 and the GX800 write their files to SDXC cards.

Connectivity comparison: Panasonic TZ100 vs GX800

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 Panasonic Lumix DMC-GX800 and, in particular, the interfaces the cameras (and selected comparators) provide for accessory control and data transfer.

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
Panasonic TZ100»-stereomono--micro2.0Y--Panasonic TZ100
Panasonic GX800«-stereomono--micro2.0Y--Panasonic GX800
Canon G7 X Mark II« »-stereomono--micro2.0YY-Canon G7 X Mark II
Canon G5 X« »Ystereomono--mini2.0YY-Canon G5 X
Canon M3« »YstereomonoY-mini2.0YY-Canon M3
Canon M10« »-stereomono--mini2.0YY-Canon M10
Canon G7 X« »-stereomono--micro2.0YY-Canon G7 X
Panasonic TZ200« »-stereomono--micro2.0Y--Panasonic TZ200
Panasonic TZ90« »-stereomono--micro2.0Y--Panasonic TZ90
Panasonic GX80« »Ystereomono--micro2.0Y--Panasonic GX80
Panasonic LX15« »-stereomono--micro2.0Y--Panasonic LX15
Panasonic GF7« »-stereomono--micro2.0YY-Panasonic GF7
Panasonic G6« »YstereomonoY-mini2.0YY-Panasonic G6
Panasonic GF6« »-stereomono--mini2.0YY-Panasonic GF6
Panasonic GF5« »-stereomono--mini2.0---Panasonic GF5
Sony RX100 V« »-stereomono--micro2.0YY-Sony RX100 V
Sony RX100 IV« »-stereomono--micro2.0YY-Sony RX100 IV

The GX800 is a recent model that features in the current product line-up of Panasonic. In contrast, the TZ100 has been discontinued (but it can be found pre-owned on eBay). As a replacement in the same line of cameras, the TZ100 was succeeded by the Panasonic TZ200.


Review summary: Panasonic TZ100 vs GX800

So how do things add up? Is there a clear favorite between the Panasonic TZ100 and the Panasonic GX800? Below is a summary of the relative strengths of each of the two contestants.


Reasons to prefer the Panasonic Lumix DMC-TZ100:

  • More detail: Offers more megapixels (20 vs 15.8MP) with a 15% higher linear resolution.
  • Better moiré control: Has an anti-alias filter to avoid artificial patterns to appear in images.
  • Easier framing: Has an electronic viewfinder for image framing and settings control.
  • Faster shutter: Has higher mechanical shutter speed (2000/sec vs 500/sec) to freeze action.
  • Ready to shoot: Has a lens built-in, whereas the GX800 requires a separate lens.
  • Longer lasting: Can take more shots (300 versus 210) on a single battery charge.
  • Sharper images: Has hand-shake reducing image stabilization built-in.
  • More heavily discounted: Has been on the market for longer (launched in January 2016).


Advantages of the Panasonic Lumix DMC-GX800:

  • Maximized detail: Lacks an anti-alias filter to exploit the sensor's full resolution potential.
  • More dynamic range: Captures a broader range of light and dark details (0.8 EV of extra DR).
  • 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.
  • More flexible: Takes interchangeable lenses and can thus be used with specialty optics.
  • More modern: Was introduced somewhat (1 year) more recently.

If the count of relative strengths (bullet points above) is taken as a measure, the TZ100 emerges as the winner of the contest (8 : 6 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.

TZ100 08:06 GX800

In any case, while the specs-based evaluation of cameras is instructive in revealing their potential as photographic tools, it remains partial and cannot reveal, for example, the handling experience and imaging performance when actually working with the TZ100 or the GX800. 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.

Expert reviews: Panasonic TZ100 vs GX800

This is where reviews by experts come in. The adjacent table relays the overall verdicts of several of the most popular camera review sites (cameralabs, dpreview, ephotozine, imaging-resource, photographyblog). The full reviews are available 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
Panasonic TZ100»HiRec82/1004.5/54/54.5/5 Jan 2016 699- i Panasonic TZ100
Panasonic GX800«Rec76/1004.5/54/54.5/5 Jan 2017 549 i i Panasonic GX800
Canon G7 X Mark II« »HiRec81/1004.5/54/54.5/5 Feb 2016 699 i i Canon G7 X Mark II
Canon G5 X« »HiRec78/1004.5/54/54.5/5 Oct 2015 799 i i Canon G5 X
Canon M3« »rev75/1004.5/54.5/54/5 Feb 2015 679- i Canon M3
Canon M10« »---rev4/5 Oct 2015 499- i Canon M10
Canon G7 X« »HiRec77/1004.5/53.5/54.5/5 Sep 2014 699- i Canon G7 X
Panasonic TZ200« »HiRec81/1004.5/5-4.5/5 Feb 2018 799 i i Panasonic TZ200
Panasonic TZ90« »HiRec-4/5-4/5 Apr 2017 449 i i Panasonic TZ90
Panasonic GX80« »HiRec82/1005/54.5/55/5 Apr 2016 799 i i Panasonic GX80
Panasonic LX15« »HiRec81/1004/54.5/54.5/5 Sep 2016 699 i i Panasonic LX15
Panasonic GF7« »Rec-4.5/54.5/54.5/5 Jan 2015 499- i Panasonic GF7
Panasonic G6« »HiRec-5/5-4.5/5 Apr 2013 599- i Panasonic G6
Panasonic GF6« »HiRec-4.5/5-4.5/5 Apr 2013 499- i Panasonic GF6
Panasonic GF5« »--4.5/54/54.5/5 Apr 2012 499- i Panasonic GF5
Sony RX100 V« »HiRec83/1004/55/54.5/5 Oct 2016 999 i i Sony RX100 V
Sony RX100 IV« »HiRec85/1004/54.5/54.5/5 Jun 2015 999- i Sony RX100 IV

The review scores listed above should be treated with care, though. The assessments were made in relation to similar cameras of the same technological generation. Hence, a score should always be seen in the context of the camera's market launch date and its price, 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.

 

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: Panasonic TZ100 vs Panasonic GX800

    Camera Specifications
    Camera Model Panasonic TZ100 Panasonic GX800
    Camera Type Fixed lens compact camera Mirrorless system camera
    Camera Lens 25-250mm f/2.8-5.9 Micro Four Thirds lenses
    Launch Date January 2016 January 2017
    Launch Price USD 699 USD 549
    Sensor Specs
    Sensor Technology CMOS CMOS
    Sensor Format 1" Sensor Four Thirds Sensor
    Sensor Size 13.2 x 8.8 mm 17.3 x 8.8 mm
    Sensor Area 116.16 mm2 224.9 mm2
    Sensor Diagonal 15.9 mm 21.6 mm
    Crop Factor 2.75 2.0
    Sensor Resolution 20 Megapixels 15.8 Megapixels
    Image Resolution 5472 x 3648 pixels 4592 x 3448 pixels
    Pixel Pitch 2.41 μm 3.77 μm
    Pixel Density 17.18 MP/cm2 7.04 MP/cm2
    Movie Capability 4K/30p Video 4K/30p Video
    ISO Setting 125-12800 ISO 200-25600 ISO
    ISO Boost 80-25600 ISO no Enhancement
    Image Processor Venus Venus
    Screen Specs
    Viewfinder Type Electronic viewfinder No viewfinder
    Viewfinder Resolution 1166k dots n/a
    Rear LCD Size 3.0 inch 3.0 inch
    LCD Resolution 1040k dots 1040k dots
    LCD Attachment Fixed screen Tilting screen
    Touch Input Touchscreen Touchscreen
    Shooting Specs
    Maximum Shutter Speed 1/2000s 1/500s
    Continuous Shooting 10 shutter flaps/s 10 shutter flaps/s
    Silent ShootingElectronic ShutterElectronic Shutter
    Image StabilizationIn-body stabilizationLens stabilization only
    Fill Flash Build-in Flash Build-in Flash
    Storage Medium SDXC cards SDXC cards
    Connectivity Specs
    USB Connector USB 2.0 USB 2.0
    HDMI Port micro HDMI micro HDMI
    Wifi Support Wifi built-in Wifi built-in
    Body Specs
    Battery Type DMW-BLG10 power pack DMW-BLH7 power pack
    Battery Life (CIPA)300 shots per charge210 shots per charge
    Body Dimensions 111 x 65 x 44 mm
    (4.4 x 2.6 x 1.7 in)
    107 x 65 x 33 mm
    (4.2 x 2.6 x 1.3 in)
    Camera Weight 312 g (11.0 oz) 269 g (9.5 oz)

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