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Canon T3i vs Panasonic GX850

The Canon EOS Rebel T3i (called Canon 600D in some regions) and the Panasonic Lumix DMC-GX850 (labelled Panasonic GX800 in some countries) are two digital cameras that were officially introduced, respectively, in February 2011 and January 2017. The T3i is a DSLR, while the GX850 is a mirrorless interchangeable lens camera. The cameras are based on an APS-C (T3i) and a Four Thirds (GX850) sensor. The Canon has a resolution of 17.9 megapixels, whereas the Panasonic provides 15.8 MP.

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

Headline Specifications
Canon T3i
versus
Panasonic GX850
Canon T3i   Panasonic GX850
Digital single lens reflex Mirrorless system camera
Canon EF mount lenses Micro Four Thirds lenses
17.9 MP – APS-C sensor 15.8 MP – Four Thirds sensor
1080/30p Video 4K/30p Video
ISO 100-6,400 (100 - 12,800) ISO 200-25,600
Optical viewfinder No viewfinder, LCD framing
3.0" LCD – 1040k dots 3.0" LCD – 1040k dots
Swivel screen (not touch-sensitive) Tilting touchscreen
3.7 shutter flaps per second 10 shutter flaps per second
440 shots per battery charge210 shots per battery charge
133 x 100 x 80 mm, 570 g 107 x 65 x 33 mm, 269 g
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Going beyond this snapshot of core features and characteristics, what are the differences between the Canon EOS Rebel T3i and the Panasonic Lumix DMC-GX850? Which one should you buy? Read on to find out how these two cameras compare with respect to their body size, their imaging sensors, their shooting features, their input-output connections, and their reception by expert reviewers.

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Body comparison

The physical size and weight of the Canon T3i and the Panasonic GX850 are illustrated in the side-by-side display below. The two cameras are presented according to their relative size. Three successive views from the front, the top, and the rear are shown. All width, height and depth dimensions are rounded to the nearest millimeter.

The GX850 can be obtained in three different colors (black, silver, red), while the T3i is only available in black.

Size Canon T3i vs Panasonic GX850
Compare T3i versus GX850 top
Comparison T3i or GX850 rear

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Panasonic GX850 is considerably smaller (48 percent) than the Canon T3i. Moreover, the GX850 is substantially lighter (53 percent) than the T3i. In this context, it is worth noting that neither the T3i nor the GX850 are weather-sealed.

The above size and weight comparisons are to some extent incomplete since they do not consider the interchangeable lenses that both of these cameras require. A larger imaging sensor will tend to go along with bigger and heavier lenses, although exceptions exist. You can compare the optics available for the two cameras in the Canon EF Lens Catalog (T3i) and the Micro Four Thirds Lens Catalog (GX850). Mirrorless cameras, such as the GX850, have moreover the advantage that they can use many lenses from other systems via adapters, as they have a relatively short flange to focal plane distance.

Concerning battery life, the T3i gets 440 shots out of its Canon LP-E8 battery, while the GX850 can take 210 images on a single charge of its Panasonic 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, you can use the CAM-parator app to select your camera combination among a large number of options.

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Body Specifications
  empty Camera
Model
Camera
Width
Camera
Height
Camera
Depth
Camera
Weight
Battery
Life
Weather
Sealing
Camera
Launch
Launch
Price
Street
Price
1.
 
Canon T3i 133 mm 100 mm 80 mm 570 g 440 n Feb 2011 US$ 599ebay.com
2.
 
Panasonic GX850 107 mm 65 mm 33 mm 269 g 210 n Jan 2017 US$ 549ebay.com
3.
 
Canon M 109 mm 66 mm 32 mm 298 g 230 n Jul 2012 US$ 599ebay.com
4.
 
Canon SL1 117 mm 91 mm 69 mm 407 g 380 n Mar 2013 US$ 549ebay.com
5.
 
Canon T1i 129 mm 98 mm 62 mm 520 g 400 n Mar 2009 US$ 799ebay.com
6.
 
Canon T2i 129 mm 98 mm 62 mm 530 g 440 n Feb 2010 US$ 699ebay.com
7.
 
Canon T3 130 mm 100 mm 78 mm 495 g 700 n Feb 2011 US$ 449ebay.com
8.
 
Canon T4i 133 mm 100 mm 79 mm 575 g 440 n Jun 2012 US$ 849ebay.com
9.
 
Canon T5 130 mm 100 mm 78 mm 480 g 500 n Feb 2014 US$ 449ebay.com
10.
 
Canon T5i 133 mm 100 mm 79 mm 580 g 440 n Mar 2013 US$ 649ebay.com
11.
 
Canon T6 129 mm 101 mm 78 mm 485 g 500 n Mar 2016 US$ 449ebay.com
12.
 
Canon T6s 132 mm 101 mm 78 mm 565 g 440 n Feb 2015 US$ 649ebay.com
13.
 
Panasonic G3 115 mm 84 mm 47 mm 336 g 270 n May 2011 US$ 599ebay.com
14.
 
Panasonic G5 120 mm 83 mm 71 mm 396 g 320 n Jul 2012 US$ 599ebay.com
15.
 
Panasonic G6 122 mm 85 mm 71 mm 390 g 340 n Apr 2013 US$ 599ebay.com
16.
 
Panasonic GF7 107 mm 65 mm 33 mm 266 g 230 n Jan 2015 US$ 499ebay.com
17.
 
Panasonic GX1 116 mm 68 mm 39 mm 318 g 320 n Nov 2011 US$ 699ebay.com
Note: Measurements and pricing do not include easily detachable parts, such as add-on or 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 GX850 was somewhat cheaper (by 8 percent) than the T3i at launch, but both cameras fall into the same price category. 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

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. 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.

Of the two cameras under consideration, the Canon T3i features an APS-C sensor and the Panasonic GX850 a Four Thirds sensor. The sensor area in the GX850 is 32 percent smaller. As a result of these sensor size differences, the cameras have a format factor of, respectively, 1.6 and 2.0. The sensor in the T3i has a native 3:2 aspect ratio, while the one in the GX850 offers a 4:3 aspect.

Canon T3i and Panasonic GX850 sensor measures

With 17.9MP, the T3i offers a higher resolution than the GX850 (15.8MP), but the T3i nevertheless has larger individual pixels (pixel pitch of 4.31μm versus 3.77μm for the GX850) due to its larger sensor. However, the GX850 is a much more recent model (by 5 years and 10 months) than the T3i, and its sensor will have benefitted from technological advances during this time that further enhance the light gathering capacity of its pixels. Coming back to sensor resolution, it should be mentioned that the GX850 has no anti-alias filter installed, so that it can capture all the detail its sensor resolves.

The resolution advantage of the Canon T3i implies greater flexibility for cropping images or the possibility to print larger pictures. The maximum print size of the T3i for good quality output (200 dots per inch) amounts to 25.9 x 17.3 inches or 65.8 x 43.9 cm, for very good quality (250 dpi) 20.7 x 13.8 inches or 52.7 x 35.1 cm, and for excellent quality (300 dpi) 17.3 x 11.5 inches or 43.9 x 29.3 cm. The corresponding values for the Panasonic GX850 are 23 x 17.2 inches or 58.3 x 43.8 cm for good quality, 18.4 x 13.8 inches or 46.7 x 35 cm for very good quality, and 15.3 x 11.5 inches or 38.9 x 29.2 cm for excellent quality prints.

The Canon EOS Rebel T3i has a native sensitivity range from ISO 100 to ISO 6400, which can be extended to ISO 100-12800. The corresponding ISO settings for the Panasonic Lumix DMC-GX850 are ISO 200 to ISO 25600, with the possibility to increase the ISO range to 100-25600.

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

T3i versus GX850 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 GX850 has a markedly higher DXO score than the T3i (overall score 8 points higher), which will translate into better image quality. The advantage is based on 1.1 bits higher color depth, 1.8 EV in additional dynamic range, and 0.4 stops of reduced low light sensitivity. The adjacent table reports on the physical sensor characteristics and the outcomes of the DXO sensor quality tests for a sample of comparator-cameras.

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Sensor Characteristics
  empty Camera
Model
Sensor
Class
Resolution
(MP)
Horiz.
Pixels
Vert.
Pixels
Video
Format
DXO
Portrait
DXO
Landscape
DXO
Sports
DXO
Overall
1.
 
Canon T3i APS-C 17.9 5184 34561080/30p22.111.579365
2.
 
Panasonic GX850 Four Thirds 15.8 4592 34484K/30p23.213.358673
3.
 
Canon M APS-C 17.9 5184 34561080/30p22.111.282765
4.
 
Canon SL1 APS-C 17.9 5184 34561080/30p21.811.384363
5.
 
Canon T1i APS-C 15.1 4752 31681080/20p21.711.566363
6.
 
Canon T2i APS-C 17.9 5184 34561080/30p22.111.578466
7.
 
Canon T3 APS-C 12.2 4272 2848720/30p21.911.075562
8.
 
Canon T4i APS-C 17.9 5184 34561080/30p21.711.272262
9.
 
Canon T5 APS-C 17.9 5184 34561080/30p21.911.372463
10.
 
Canon T5i APS-C 17.9 5184 34561080/30p21.711.268161
11.
 
Canon T6 APS-C 17.9 5184 34561080/30p22.011.778166
12.
 
Canon T6s APS-C 24.0 6000 40001080/30p22.612.091570
13.
 
Panasonic G3 Four Thirds 15.8 4592 34481080/60i21.010.666756
14.
 
Panasonic G5 Four Thirds 15.9 4608 34561080/60p21.411.661861
15.
 
Panasonic G6 Four Thirds 15.9 4608 34561080/60p21.311.563961
16.
 
Panasonic GF7 Four Thirds 15.8 4592 34481080/60p22.712.387470
17.
 
Panasonic GX1 Four Thirds 15.8 4592 34481080/60p20.810.670355
Note: DXO values in italics represent estimates based on sensor size and age.

Many modern cameras are not only capable of taking still images, but can also record movies. Both cameras under consideration are equipped with sensors that have a sufficiently high read-out speed for moving images, but the GX850 provides a better video resolution than the T3i. It can shoot movie footage at 4K/30p, while the Canon is limited to 1080/30p.

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Feature comparison

Apart from body and sensor, cameras can and do differ across a variety of features. For example, the T3i has an optical viewfinder, which can be very useful when shooting in bright sunlight. In contrast, the GX850 relies on live view and the rear LCD for framing. The following table reports on some other key feature differences and similarities of the Canon T3i, the Panasonic GX850, and comparable cameras.

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Core Features
  empty Camera
Model
Viewfinder
(Type or
000 dots)
Control
Panel
(yes/no)
LCD
Specifications
(inch/000 dots)
LCD
Attach-
ment
Touch
Screen
(yes/no)
Max
Shutter
Speed *
Max
Shutter
Flaps *
Built-in
Flash
(yes/no)
Built-in
Image
Stab
1.
 
Canon T3ioptical n3.0 / 1040 swivel n 1/4000s 3.7/s Y n
2.
 
Panasonic GX850none n3.0 / 1040 tilting Y 1/500s 10.0/s Y n
3.
 
Canon Mnone n3.0 / 1040 fixed Y 1/4000s 4.3/s n n
4.
 
Canon SL1optical n3.0 / 1040 fixed Y 1/4000s 4.9/s Y n
5.
 
Canon T1ioptical n3.0 / 920 fixed n 1/4000s 3.4/s Y n
6.
 
Canon T2ioptical n3.0 / 1040 fixed n 1/4000s 3.7/s Y n
7.
 
Canon T3optical n2.7 / 230 fixed n 1/4000s 3.0/s Y n
8.
 
Canon T4ioptical n3.0 / 1040 swivel Y 1/4000s 5.0/s Y n
9.
 
Canon T5optical n3.0 / 460 fixed n 1/4000s 3.0/s Y n
10.
 
Canon T5ioptical n3.0 / 1040 swivel Y 1/4000s 5.0/s Y n
11.
 
Canon T6optical n3.0 / 920 fixed n 1/4000s 3.0/s Y n
12.
 
Canon T6soptical Y3.0 / 1040 swivel Y 1/4000s 5.0/s Y n
13.
 
Panasonic G31440 n3.0 / 460 swivel Y 1/4000s 4.0/s Y n
14.
 
Panasonic G51440 n3.0 / 920 swivel Y 1/4000s 6.0/s Y n
15.
 
Panasonic G61440 n3.0 / 1036 swivel Y 1/4000s 7.0/s Y n
16.
 
Panasonic GF7none n3.0 / 1040 tilting Y 1/500s 5.8/s Y n
17.
 
Panasonic GX1optional n3.0 / 460 fixed Y 1/4000s 4.2/s Y n
Note: *) Information refers to the mechanical shutter, unless the camera only has an electronic one.

One differentiating feature between the two cameras concerns the touch sensitivity of the rear screen. The GX850 has a touchscreen, while the T3i has a conventional panel. Touch control can be particularly helpful, for example, for setting the focus point.

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

The reported shutter speed information refers to the use of the mechanical shutter. Yet, some cameras only have an electronic shutter, while others have an electronic shutter in addition to a mechanical one. In fact, the GX850 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 GX850 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 T3i and the GX850 write their files to SDXC cards. The GX850 supports UHS-I cards (Ultra High Speed data transfer of up to 104 MB/s), while the T3i cannot take advantage of Ultra High Speed SD cards.

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Connectivity comparison

For some imaging applications, the extent to which a camera can communicate with its environment can be an important aspect in the camera decision process. The table below provides an overview of the connectivity of the Canon EOS Rebel T3i and Panasonic Lumix DMC-GX850 and, in particular, the interfaces the cameras (and selected comparators) provide for accessory control and data transfer.

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Input-Output Connections
  empty Camera
Model
Hotshoe
Port
Internal
Mic / Speaker
Microphone
Port
Headphone
Port
HDMI
Port
USB
Port
WiFi
Support
NFC
Support
Bluetooth
Support
1.
 
Canon T3iYmono / monoY-mini2.0---
2.
 
Panasonic GX850-stereo / mono--micro2.0Y--
3.
 
Canon MYstereo / monoY-mini2.0---
4.
 
Canon SL1Ymono / monoY-mini2.0---
5.
 
Canon T1iYmono / mono--mini2.0---
6.
 
Canon T2iYstereo / -Y-mini2.0---
7.
 
Canon T3Ystereo / mono--mini2.0---
8.
 
Canon T4iYstereo / monoY-mini2.0---
9.
 
Canon T5Ymono / mono--mini2.0---
10.
 
Canon T5iYstereo / monoY-mini2.0---
11.
 
Canon T6Ymono / mono--mini2.0YY-
12.
 
Canon T6sYstereo / monoY-mini2.0YY-
13.
 
Panasonic G3Ystereo / mono--mini2.0---
14.
 
Panasonic G5Ystereo / mono--mini2.0---
15.
 
Panasonic G6Ystereo / monoY-mini2.0YY-
16.
 
Panasonic GF7-stereo / mono--micro2.0YY-
17.
 
Panasonic GX1Ystereo / mono--mini2.0---

It is notable that the T3i has a hotshoe, while the GX850 does not. This socket makes it possible to easily attach optional accessories, such as an external flash gun.

Both the T3i and the GX850 have been discontinued, but can regularly be found used on ebay. The T3i was replaced by the Canon T4i, while the GX850 does not have a direct successor. Further information on the features and operation of the T3i and GX850 can be found, respectively, in the Canon T3i Manual (free pdf) or the online Panasonic GX850 Manual.

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Review summary

So how do things add up? Is the Canon T3i better than the Panasonic GX850 or vice versa? Below is a summary of the relative strengths of each of the two contestants.

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Arguments in favor of the Canon EOS Rebel T3i:

  • More detail: Offers more megapixels (17.9 vs 15.8MP) with a 8% higher linear resolution.
  • Better moiré control: Has an anti-alias filter to avoid artificial patterns to appear in images.
  • Better low-light sensitivity: Requires less light for good images (0.4 stops ISO advantage).
  • Better sound: Can connect to an external microphone for higher quality sound recording.
  • Easier framing: Has an optical viewfinder for image composition and settings control.
  • More flexible LCD: Has a swivel screen for odd-angle shots in portrait or landscape orientation.
  • Faster shutter: Has higher mechanical shutter speed (1/4000s vs 1/500s) to freeze action.
  • Longer lasting: Can take more shots (440 versus 210) on a single battery charge.
  • Better lighting: Features a hotshoe and can thus hold and trigger an external flash gun.
  • More heavily discounted: Has been available for much longer (launched in February 2011).

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Reasons to prefer the Panasonic Lumix DMC-GX850:

  • Maximized detail: Lacks an anti-alias filter to exploit the sensor's full resolution potential.
  • Better image quality: Scores markedly higher (8 points) in the DXO overall evaluation.
  • Richer colors: Generates noticeably more natural colors (1.1 bits more color depth).
  • More dynamic range: Captures a broader range of light and dark details (1.8 EV of extra DR).
  • Better video: Provides higher definition movie capture (4K/30p vs 1080/30p).
  • Fewer buttons to press: Has a touchscreen to facilitate handling and shooting adjustments.
  • Faster burst: Shoots at higher frequency (10 vs 3.7 flaps/sec) to capture the decisive moment.
  • 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 compact: Is smaller (107x65mm vs 133x100mm) and will fit more readily into a bag.
  • Less heavy: Has a lower weight (by 301g or 53 percent) and is thus easier to take along.
  • More legacy lens friendly: Can use many non-native lenses via adapters.
  • Easier file upload: Has wifi built in for automatic backup or image transfer to the web.
  • Faster buffer clearing: Has an SD card interface that supports the UHS-I standard.
  • More modern: Reflects 5 years and 10 months of technical progress since the T3i launch.

If the count of relative strengths (bullet points above) is taken as a measure, the GX850 is the clear winner of the contest (15 : 10 points). However, the relevance of individual strengths will vary across photographers, so that you might want to apply your own weighing scheme to the summary points when reflecting and deciding on a new camera. A professional wildlife photographer will view the differences between cameras in a way that diverges from the perspective of a family photog, and a person interested in architecture has distinct needs from a sports shooter. Hence, the decision which camera is best and worth buying is often a very personal one.

T3i 10:15 GX850

How about other alternatives? Do the specifications of the Canon T3i and the Panasonic GX850 place the cameras among the top in their class? Find out in the latest Best DSLR Camera and Best Mirrorless Interchangeable Lens 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 partial and cannot reveal, for example, the shooting experience and imaging performance when actually working with the T3i or the GX850. 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 hands-on reviews by experts are important. The table below provides a synthesis of the camera assessments of some of the best known photo-gear review sites (amateurphotographer [AP], cameralabs [CL], digitalcameraworld [DCW], dpreview [DPR], ephotozine [EPZ], photographyblog [PB]). As can be seen, the professional reviewers agree in many cases on the quality of different cameras, but sometimes their assessments diverge, reinforcing the earlier point that a camera decision is often a very personal choice.

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Expert Camera Reviews
  empty  Camera 
 Model 
 AP 
 score 
 CL 
 score 
 DCW 
 score 
 DPR 
 score 
 EPZ 
 score 
 PB 
 score 
Camera
Launch
Launch
Price
Street
Price
1.
 
Canon T3i3/5o..77/1004.5/54.5/5 Feb 2011 US$ 599ebay.com
2.
 
Panasonic GX850..+..76/1004.5/54.5/5 Jan 2017 US$ 549ebay.com
3.
 
Canon M3/5+....4/54/5 Jul 2012 US$ 599ebay.com
4.
 
Canon SL14/5+..78/1004/54/5 Mar 2013 US$ 549ebay.com
5.
 
Canon T1i..+ +..74/1004.5/54.5/5 Mar 2009 US$ 799ebay.com
6.
 
Canon T2i..+ +..77/1004/54.5/5 Feb 2010 US$ 699ebay.com
7.
 
Canon T3..80/100..69/1004/54.5/5 Feb 2011 US$ 449ebay.com
8.
 
Canon T4i4/5+ +..77/1004.5/54.5/5 Jun 2012 US$ 849ebay.com
9.
 
Canon T53/5+....4/54.5/5 Feb 2014 US$ 449ebay.com
10.
 
Canon T5i......76/1004.5/54.5/5 Mar 2013 US$ 649ebay.com
11.
 
Canon T64/5o4/573/1004/54/5 Mar 2016 US$ 449ebay.com
12.
 
Canon T6s5/5+..77/1004.5/54.5/5 Feb 2015 US$ 649ebay.com
13.
 
Panasonic G33/5+ +..75/1004.5/55/5 May 2011 US$ 599ebay.com
14.
 
Panasonic G53/5+ +....4.5/54.5/5 Jul 2012 US$ 599ebay.com
15.
 
Panasonic G64/5+ +....5/54.5/5 Apr 2013 US$ 599ebay.com
16.
 
Panasonic GF74/5+....4.5/54.5/5 Jan 2015 US$ 499ebay.com
17.
 
Panasonic GX13/5+..77/1004.5/54.5/5 Nov 2011 US$ 699ebay.com
Note: (+ +) highly recommended; (+) recommended; (o) reviewed; (..) not available.

The review scores listed above should be treated with care, though. The ratings were established in reference to similarly priced cameras that were available in the market at the time of the review. 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. It should also be noted that some of the review sites have over time altered the way they render their verdicts.

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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 make your choice using the following search menu. 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: Canon T3i vs Panasonic GX850

    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 Canon T3i Panasonic GX850
    Camera Type Digital single lens reflex Mirrorless system camera
    Camera Lens Canon EF mount lenses Micro Four Thirds lenses
    Launch Date February 2011 January 2017
    Launch Price USD 599 USD 549
    Sensor Specs Canon T3i Panasonic GX850
    Sensor Technology CMOS CMOS
    Sensor Format APS-C Sensor Four Thirds Sensor
    Sensor Size 22.3 x 14.9 mm 17.3 x 13.0 mm
    Sensor Area 332.27 mm2 224.9 mm2
    Sensor Diagonal 26.8 mm 21.6 mm
    Crop Factor 1.6x 2.0x
    Sensor Resolution 17.9 Megapixels 15.8 Megapixels
    Image Resolution 5184 x 3456 pixels 4592 x 3448 pixels
    Pixel Pitch 4.31 μm 3.77 μm
    Pixel Density 5.39 MP/cm2 7.04 MP/cm2
    Moiré control Anti-Alias filter no AA filter
    Movie Capability 1080/30p Video 4K/30p Video
    ISO Setting 100 - 6,400 ISO 200 - 25,600 ISO
    ISO Boost 100 - 12,800 ISO 100 - 25,600 ISO
    Image Processor DIGIC 4 Venus
    DXO Sensor Quality (score) 65 73
    DXO Color Depth (bits) 22.1 23.2
    DXO Dynamic Range (EV) 11.5 13.3
    DXO Low Light (ISO) 793 586
    Screen Specs Canon T3i Panasonic GX850
    Viewfinder Type Optical viewfinder no viewfinder
    Viewfinder Field of View 95%
    Viewfinder Magnification 0.53x
    LCD Framing Live View Live View
    Rear LCD Size 3.0inch 3.0inch
    LCD Resolution 1040k dots 1040k dots
    LCD Attachment Swivel screen Tilting screen
    Touch Input no Touchscreen Touchscreen
    Shooting Specs Canon T3i Panasonic GX850
    Focus System Phase-detect AF Contrast-detect AF
    Manual Focusing Aidno Peaking FeatureFocus Peaking
    Max Shutter Speed (mechanical) 1/4000s 1/500s
    Continuous Shooting 3.7 shutter flaps/s 10 shutter flaps/s
    Electronic Shutterno E-Shutterup to 1/16000s
    Time-Lapse Photographyno IntervalometerIntervalometer built-in
    Fill Flash Built-in Flash Built-in Flash
    Storage Medium SDXC cards SDXC cards
    Single or Dual Card Slots Single card slot Single card slot
    UHS card support no UHS-I
    Connectivity Specs Canon T3i Panasonic GX850
    External Flash Hotshoe no Hotshoe
    USB Connector USB 2.0 USB 2.0
    HDMI Port mini HDMI micro HDMI
    Microphone Port External MIC port no MIC socket
    Wifi Support no Wifi Wifi built-in
    Body Specs Canon T3i Panasonic GX850
    Battery Type Canon LP-E8 Panasonic DMW-BLH7
    Battery Life (CIPA)440 shots per charge210 shots per charge
    Body Dimensions 133 x 100 x 80 mm
    (5.2 x 3.9 x 3.1 in)
    107 x 65 x 33 mm
    (4.2 x 2.6 x 1.3 in)
    Camera Weight 570 g (20.1 oz) 269 g (9.5 oz)
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