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Panasonic TZ100 vs Sony A77

The Panasonic Lumix DMC-TZ100 (called Panasonic ZS100 in some regions) and the Sony Alpha SLT-A77 are two digital cameras that were officially introduced, respectively, in January 2016 and August 2011. The TZ100 is a fixed lens compact, while the A77 is a DSLR. The cameras are based on an one-inch (TZ100) and an APS-C (A77) sensor. The Panasonic has a resolution of 20 megapixels, whereas the Sony provides 24 MP.

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

Headline Specifications
Panasonic TZ100 VS Sony A77
Panasonic TZ100 Sony A77
Fixed lens compact camera Digital single lens reflex
25-250mm f/2.8-5.9 Sony A mount lenses
20 MP, 1" Sensor 24 MP, APS-C Sensor
4K/30p Video 1080/60p Video
ISO 125-12800 (80-25600) ISO 100-16000 (50-25600)
Electronic viewfinder (1166k dots) Electronic viewfinder (2359k dots)
3.0" LCD, 1040k dots 3.0" LCD, 921k dots
Fixed touchscreen Fully flexible screen (no touchscreen)
10 shutter flaps per second 12 shutter flaps per second
In-body stabilizationIn-body stabilization
Not weather sealedWeathersealed body
300 shots per battery charge470 shots per battery charge
111 x 65 x 44 mm, 312 g 143 x 104 x 81 mm, 732 g

Going beyond this snapshot of core features and characteristics, what are the differences between the Panasonic Lumix DMC-TZ100 and the Sony Alpha SLT-A77? 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.

Body comparison

The side-by-side display below illustrates the physical size and weight of the Panasonic TZ100 and the Sony A77. 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 TZ100 can be obtained in two different colors (black, silver), while the A77 is only available in black.

Size Panasonic TZ100 vs Sony A77
Compare TZ100 versus A77 top
Comparison TZ100 or A77 rear

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Sony A77 is considerably larger (106 percent) than the Panasonic TZ100. It is noteworthy in this context that the A77 is splash and dust-proof, while the TZ100 does not feature any corresponding weather-sealing.

The above size and weight comparisons are to some extent incomplete and possibly misleading, as the TZ100 has a lens built in, whereas the A77 is an interchangeable lens camera that requires a separate lens. Attaching the latter will add extra weight and bulk to the setup.

Concerning battery life, the TZ100 gets 300 shots out of its DMW-BLG10 battery, while the A77 can take 470 images on a single charge of its NP-FM500H power pack. The power pack in the TZ100 can be charged via the USB port, so that it is not always necessary to take the battery charger along when travelling.

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)
Camera
Model
 
Panasonic TZ100» 111 mm 65 mm 44 mm 312 g 300 n Jan 2016 699iPanasonic TZ100
 
Sony A77« 143 mm 104 mm 81 mm 732 g 470 Y Aug 2011 1,399iSony A77
 
Canon G7 X Mark II« » 106 mm 61 mm 42 mm 319 g 265 n Feb 2016 699iCanon G7 X Mark II
 
Canon G5 X« » 112 mm 76 mm 44 mm 353 g 210 n Oct 2015 799iCanon G5 X
 
Canon M3« » 111 mm 68 mm 44 mm 366 g 250 n Feb 2015 679iCanon M3
 
Canon G7 X« » 103 mm 60 mm 40 mm 304 g 210 n Sep 2014 699iCanon G7 X
 
Panasonic TZ200« » 111 mm 65 mm 45 mm 340 g 370 n Feb 2018 799 iPanasonic TZ200
 
Panasonic GH5« » 139 mm 98 mm 87 mm 725 g 410 Y Jan 2017 1,999 iPanasonic GH5
 
Panasonic TZ90« » 112 mm 67 mm 41 mm 322 g 380 n Apr 2017 449iPanasonic TZ90
 
Panasonic GX80« » 122 mm 71 mm 44 mm 426 g 290 n Apr 2016 799 iPanasonic GX80
 
Panasonic LX15« » 106 mm 60 mm 42 mm 310 g 260 n Sep 2016 699 iPanasonic LX15
 
Sony A9« » 127 mm 96 mm 63 mm 673 g 650 Y Apr 2017 4,499iSony A9
 
Sony RX100 V« » 102 mm 58 mm 41 mm 299 g 220 n Oct 2016 999 iSony RX100 V
 
Sony RX100 IV« » 102 mm 58 mm 41 mm 298 g 280 n Jun 2015 999iSony RX100 IV
 
Sony A7 II« » 127 mm 96 mm 60 mm 599 g 350 Y Nov 2014 1,999iSony A7 II
 
Sony A77 II« » 143 mm 104 mm 81 mm 647 g 480 Y May 2014 1,199 iSony A77 II
 
Sony A99« » 147 mm 111 mm 78 mm 812 g 500 Y Sep 2012 2,799iSony A99
Note: Measurements and pricing do not include easily detachable parts, such as interchangeable lenses or optional viewfinders.

Any camera decision will naturally be influenced heavily by the price. 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 TZ100 was launched at a lower price than the A77, 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.

 

Sensor comparison

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. 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 tend to be more expensive and lead to bigger and heavier cameras and lenses.

Of the two cameras under consideration, the Panasonic TZ100 features an one-inch sensor and the Sony A77 an APS-C sensor. The sensor area in the A77 is 216 percent bigger. As a result of these sensor size differences, the cameras have a format factor of, respectively, 2.7 and 1.5. Both cameras have a native aspect ratio (sensor width to sensor height) of 3:2.

In terms of underlying technology, both cameras are build around CMOS sensors.

Panasonic TZ100 and Sony A77 sensor measures

With 24MP, the A77 offers a higher resolution than the TZ100 (20MP), but the A77 nevertheless has larger individual pixels (pixel pitch of 3.91μm versus 2.41μm for the TZ100) due to its larger sensor. However, the TZ100 is a much more recent model (by 4 years and 4 months) than the A77, and its sensor will have benefitted from technological advances during this time that enhance the light gathering capacity of its pixel-units.

The resolution advantage of the Sony A77 implies greater flexibility for cropping images or the possibility to print larger pictures. The maximum print size of the A77 for good quality output (200 dots per inch) amounts to 30 x 20 inch or 76.2 x 50.8 cm, for very good quality (250 dpi) 24 x 16 inch or 61 x 40.6 cm, and for excellent quality (300 dpi) 20 x 13.3 inch or 50.8 x 33.9 cm. The corresponding values for the Panasonic TZ100 are 27.4 x 18.2 inch or 69.5 x 46.3 cm for good quality, 21.9 x 14.6 inch or 55.6 x 37.1 cm for very good quality, and 18.2 x 12.2 inch or 46.3 x 30.9 cm for excellent quality prints.

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 Alpha SLT-A77 are ISO 100 to ISO 16000, with the possibility to increase the ISO range to 50-25600.

TZ100 versus A77 MP

Since 2007, DXO Mark has published sensor performance measurements that have been derived using a consistent methodology. 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 consideration, the A77 has a markedly higher DXO score than the TZ100 (overall score 8 points higher), which will translate into better image quality. The advantage is based on 1.2 bits higher color depth, 0.7 EV in additional dynamic range, and 0.5 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.

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
 
Sony A77 APS-C 24.0 6000 40001080/60p24.013.280178Sony A77
 
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 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 GH5 Four Thirds 20.2 5184 38884K/60p23.913.080777Panasonic GH5
 
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
 
Sony A9 Full Frame 24.0 6000 40004K/30p24.913.3351792Sony A9
 
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
 
Sony A7 II Full Frame 24.0 6000 40001080/60p24.913.6244990Sony A7 II
 
Sony A77 II APS-C 24.0 6000 40001080/60p........Sony A77 II
 
Sony A99 Full Frame 24.0 6000 40001080/60p25.014.0155589Sony A99

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, but the TZ100 provides a higher video resolution than the A77. It can shoot video footage at 4K/30p, while the Sony is limited to 1080/60p.

 

Feature comparison

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 A77 offers a substantially higher resolution than the one in the TZ100 (2359k vs 1166k dots). The adjacent table lists some of the other core features of the Panasonic TZ100 and Sony A77 along with similar information for a selection of comparators.

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)
Mech
Shutter
Speed
Shutter
Flaps
(1/sec)
Built-in
Flash
(yes/no)
Built-in
Image
Stab
Camera
Model
 
Panasonic TZ1001166 n 3.0 1040 fixed Y 1/2000s 10.0 Y Y Panasonic TZ100
 
Sony A772359 Y 3.0 921 full-flex n 1/8000s 12.0 Y Y Sony A77
 
Canon G7 X Mark IInone n 3.0 1040 tilting Y 1/2000s 8.0 Y Y Canon G7 X Mark II
 
Canon G5 X2360 n 3.0 1040 swivel Y 1/2000s 5.9 Y Y Canon G5 X
 
Canon M3optional n 3.0 1040 tilting Y 1/4000s 4.2 Y n Canon M3
 
Canon G7 Xnone n 3.0 1040 tilting Y 1/2000s 6.5 Y Y Canon G7 X
 
Panasonic TZ2002330 n 3.0 1240 fixed Y 1/2000s 10.0 Y Y Panasonic TZ200
 
Panasonic GH53680 n 3.2 1620 swivel Y 1/8000s 12.0 n Y Panasonic GH5
 
Panasonic TZ901166 n 3.0 1040 tilting Y 1/2000s 10.0 Y Y Panasonic TZ90
 
Panasonic GX802765 n 3.0 1040 tilting Y 1/4000s 8.0 Y Y Panasonic GX80
 
Panasonic LX15none n 3.0 1040 tilting Y 1/4000s 10.0 Y Y Panasonic LX15
 
Sony A93686 n 3.0 1440 tilting Y 1/8000s 20.0 n Y Sony A9
 
Sony RX100 V2359 n 3.0 1229 tilting n 1/2000s 24.0 Y Y Sony RX100 V
 
Sony RX100 IV2359 n 3.0 1228 tilting n 1/2000s 16.0 Y Y Sony RX100 IV
 
Sony A7 II2400 n 3.0 1230 tilting n 1/8000s 5.0 n Y Sony A7 II
 
Sony A77 II2359 Y 3.0 1229 full-flex n 1/8000s 12.0 Y Y Sony A77 II
 
Sony A992359 Y 3.0 1229 full-flex n 1/8000s 6.0 n Y Sony A99

One differentiating feature between the two cameras concerns the touch sensitivity of the rear screen. The TZ100 has a touchscreen, while the A77 has a conventional panel. Touch control can be particularly helpful, for example, for setting the focus point.

The A77 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.

The TZ100 writes its imaging data to SDXC cards, while the A77 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.

 

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 Panasonic Lumix DMC-TZ100 and Sony Alpha SLT-A77 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
Port
WiFi
Support
NFC
Support
Bluetooth
Support
Camera
Model
 
Panasonic TZ100-stereomono--micro2.0Y--Panasonic TZ100
 
Sony A77YstereomonoY-mini2.0---Sony A77
 
Canon G7 X Mark II-stereomono--micro2.0YY-Canon G7 X Mark II
 
Canon G5 XYstereomono--mini2.0YY-Canon G5 X
 
Canon M3YstereomonoY-mini2.0YY-Canon M3
 
Canon G7 X-stereomono--micro2.0YY-Canon G7 X
 
Panasonic TZ200-stereomono--micro2.0Y-YPanasonic TZ200
 
Panasonic GH5YstereomonoYYfull3.1Y-YPanasonic GH5
 
Panasonic TZ90-stereomono--micro2.0Y--Panasonic TZ90
 
Panasonic GX80Ystereomono--micro2.0Y--Panasonic GX80
 
Panasonic LX15-stereomono--micro2.0Y--Panasonic LX15
 
Sony A9YstereomonoYYmicro2.0YYYSony A9
 
Sony RX100 V-stereomono--micro2.0YY-Sony RX100 V
 
Sony RX100 IV-stereomono--micro2.0YY-Sony RX100 IV
 
Sony A7 IIYstereomonoYYmicro2.0YY-Sony A7 II
 
Sony A77 IIYstereomonoY-mini2.0YY-Sony A77 II
 
Sony A99YstereomonoYYmini2.0---Sony A99

It is notable that the TZ100 offers wifi support, while the A77 does not. Wifi can be a very convenient means to transfer image data to an off-camera location.

Studio photographers will appreciate that the Sony A77 (unlike the TZ100) features a PC Sync socket, so that professional strobe lights can be controlled by the camera.

Travel and landscape photographers will find it useful that the A77 has an internal geolocalization sensor and can record GPS coordinates in its EXIF data.

Both the TZ100 and the A77 have been discontinued, but can regularly be found used on eBay. The A77 was replaced by the Sony A77 II, 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.

Review summary

So how do things add up? Which of the two cameras – the Panasonic TZ100 or the Sony A77 – has the upper hand? Is one clearly better than the other? The listing below highlights the relative strengths of the two models.

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Arguments in favor of the Panasonic Lumix DMC-TZ100:

  • Better video: Provides higher definition movie capture (4K/30p vs 1080/60p).
  • More detailed LCD: Has a higher resolution rear screen (1040k vs 921k dots).
  • 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.
  • Ready to shoot: Comes with a built-in lens, while the A77 requires a separate lens.
  • More compact: Is smaller (111x65mm vs 143x104mm) and thus needs less room in the bag.
  • Less heavy: Is lighter even though it comes with a built-in lens (unlike the A77).
  • Easier travel charging: Can be conveniently charged via its USB port.
  • Easier file upload: Has wifi built in for automatic backup or image transfer to the web.
  • More affordable: Was introduced at a lower price, despite coming with a built-in lens.
  • More modern: Reflects 4 years and 4 months of technical progress since the A77 launch.

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Advantages of the Sony Alpha SLT-A77:

  • More detail: Has more megapixels (24 vs 20MP), which boosts linear resolution by 10%.
  • Better image quality: Scores markedly higher (8 points) in the DXO overall evaluation.
  • Richer colors: Generates noticeably more natural colors (1.2 bits more color depth).
  • More dynamic range: Captures a broader range of light and dark details (0.7 EV of extra DR).
  • Better low-light sensitivity: Can shoot in dim conditions (0.5 stops ISO advantage).
  • Better sound: Can connect to an external microphone for higher quality sound recording.
  • More detailed viewfinder: Has higher resolution electronic viewfinder (2359k vs 1166k dots).
  • Larger viewfinder image: Features a viewfinder with a higher magnification (0.73x vs 0.46x).
  • Easier setting verification: Features a control panel on top to check shooting parameters.
  • More flexible LCD: Has a full-flex screen for odd-angle shots in portrait or landscape orientation.
  • More selfie-friendly: Has an articulated screen that can be turned to be front-facing.
  • Faster shutter: Has higher mechanical shutter speed (1/8000s vs 1/2000s) to freeze action.
  • Faster burst: Shoots at higher frequency (12 vs 10 flaps/sec) to capture the decisive moment.
  • More flexible: Makes it possible to change lenses and thus to use specialty optics.
  • Longer lasting: Gets more shots (470 versus 300) out of a single battery charge.
  • Better sealing: Is splash and dust sealed for shooting in inclement weather conditions.
  • Better lighting: Features a hotshoe and can thus hold and trigger an external flash gun.
  • Easier geotagging: Features an internal GPS sensor to log localization data.
  • Better studio light control: Has a PC Sync socket to connect to professional strobe lights.
  • More heavily discounted: Has been around for much longer (launched in August 2011).

If the count of relative strengths (bullet points above) is taken as a measure, the A77 is the clear winner of the contest (20 : 11 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 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.

TZ100 11:20 A77

How about other alternatives? Do the specifications of the Panasonic TZ100 and the Sony A77 place the cameras among the top in their class? Find out in the latest Best Superzoom Camera and Best DSLR 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 A77. 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 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.

Review Scores
  Camera
Model
cam
era
  labs  
dp
re
  view  
e
photo
  zine  
ima
ging
resource
photo
graphy
  blog  
Camera
Launch
(announced)
Launch
Price
(USD)
Street
Price
(USD)
Camera
Model
 
Panasonic TZ100+ +82/1004.5/54/54.5/5 Jan 2016 699iPanasonic TZ100
 
Sony A7791/10081/100..4.5/55/5 Aug 2011 1,399iSony A77
 
Canon G7 X Mark II+ +81/1004.5/54/54.5/5 Feb 2016 699iCanon G7 X Mark II
 
Canon G5 X+ +78/1004.5/54/54.5/5 Oct 2015 799iCanon G5 X
 
Canon M3o75/1004.5/54.5/54/5 Feb 2015 679iCanon M3
 
Canon G7 X+ +77/1004.5/53.5/54.5/5 Sep 2014 699iCanon G7 X
 
Panasonic TZ200+ +81/1004.5/5..4.5/5 Feb 2018 799 iPanasonic TZ200
 
Panasonic GH5+ +85/1004.5/55/55/5 Jan 2017 1,999 iPanasonic GH5
 
Panasonic TZ90+ +..4/5..4/5 Apr 2017 449iPanasonic TZ90
 
Panasonic GX80+ +82/1005/54.5/55/5 Apr 2016 799 iPanasonic GX80
 
Panasonic LX15+ +81/1004/54.5/54.5/5 Sep 2016 699 iPanasonic LX15
 
Sony A9+ +89/1005/55/55/5 Apr 2017 4,499iSony A9
 
Sony RX100 V+ +83/1004/55/54.5/5 Oct 2016 999 iSony RX100 V
 
Sony RX100 IV+ +85/1004/54.5/54.5/5 Jun 2015 999iSony RX100 IV
 
Sony A7 II+82/1004.5/55/55/5 Nov 2014 1,999iSony A7 II
 
Sony A77 II..80/1004.5/54/55/5 May 2014 1,199 iSony A77 II
 
Sony A99..84/1004.5/5o4.5/5 Sep 2012 2,799iSony A99
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. Also, please note that some of the review sites have changed their methodology and reporting over time.

Panasonic TZ100:
Check Ebay offers
Sony A77:
Check Ebay offers

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. Alternatively, you can follow any of the listed hyperlinks for comparisons that others found interesting.

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    Specifications: Panasonic TZ100 vs Sony A77

    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 Panasonic TZ100 Sony A77
    Camera Type Fixed lens compact camera Digital single lens reflex
    Camera Lens 25-250mm f/2.8-5.9 Sony A mount lenses
    Launch Date January 2016 August 2011
    Launch Price USD 699 USD 1399
    Sensor Specs Panasonic TZ100 Sony A77
    Sensor Technology CMOS CMOS
    Sensor Format 1" Sensor APS-C Sensor
    Sensor Size 13.2 x 8.8 mm 23.5 x 15.6 mm
    Sensor Area 116.16 mm2 366.6 mm2
    Sensor Diagonal 15.9 mm 28.2 mm
    Crop Factor 2.7x 1.5x
    Sensor Resolution 20 Megapixels 24 Megapixels
    Image Resolution 5472 x 3648 pixels 6000 x 4000 pixels
    Pixel Pitch 2.41 μm 3.91 μm
    Pixel Density 17.18 MP/cm2 6.55 MP/cm2
    Moiré control Anti-Alias filter Anti-Alias filter
    Movie Capability 4K/30p Video 1080/60p Video
    ISO Setting 125-12800 ISO 100-16000 ISO
    ISO Boost 80-25600 ISO 50-25600 ISO
    Image Processor Venus BIONZ X
    DXO Sensor Quality (score) 70 78
    DXO Color Depth (bits) 22.8 24.0
    DXO Dynamic Range (EV) 12.5 13.2
    DXO Low Light (ISO) 559 801
    Screen Specs Panasonic TZ100 Sony A77
    Viewfinder Type Electronic viewfinder Electronic viewfinder
    Viewfinder Field of View 100% 100%
    Viewfinder Magnification 0.46x 0.73x
    Viewfinder Resolution 1166k dots 2359k dots
    Top-Level Screen no Top Display Control Panel
    LCD Framing Live View Live View
    Rear LCD Size 3.0 inch 3.0 inch
    LCD Resolution 1040k dots 921k dots
    LCD Attachment Fixed screen Fully flexible screen
    Touch Input Touchscreen no Touchscreen
    Shooting Specs Panasonic TZ100 Sony A77
    Focus System Contrast-detect AF Phase-detect AF
    Manual Focusing AidFocus PeakingFocus Peaking
    Max Shutter Speed (mechanical) 1/2000/s 1/8000/s
    Continuous Shooting 10 shutter flaps/s 12 shutter flaps/s
    Electronic Shutterup to 1/16000sno E-Shutter
    Time-Lapse PhotographyIntervalometer built-inno Intervalometer
    Image StabilizationIn-body stabilizationIn-body 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 A77
    External Flash no Hotshoe Hotshoe
    Studio Flash no PC Sync PC Sync socket
    USB Connector USB 2.0 USB 2.0
    HDMI Port micro HDMI mini HDMI
    Microphone Port no MIC socket External MIC port
    Wifi Support Wifi built-in no Wifi
    Geotagging no internal GPS GPS built-in
    Body Specs Panasonic TZ100 Sony A77
    Environmental SealingNot weather sealedWeathersealed body
    Battery Type DMW-BLG10 NP-FM500H
    Battery Life (CIPA)300 shots per charge470 shots per charge
    In-Camera Charging USB charging no USB charging
    Body Dimensions 111 x 65 x 44 mm
    (4.4 x 2.6 x 1.7 in)
    143 x 104 x 81 mm
    (5.6 x 4.1 x 3.2 in)
    Camera Weight 312 g (11.0 oz) 732 g (25.8 oz)

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