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Panasonic FZ300 versus Canon G3 X

The Panasonic Lumix DMC-FZ300 (called Panasonic FZ330 in some regions) and the Canon PowerShot G3 X are two digital cameras that were announced, respectively, in July 2015 and June 2015. Both the FZ300 and the G3X are fixed lens compact cameras that are based on a 1/2.3-inch (FZ300) and an one-inch (G3X) sensor. The Panasonic has a resolution of 12 megapixel, whereas the Canon provides 20 MP. Read on to find out how these two cameras compare with respect to their size, their sensors, their features, and their reception by expert reviewers.

Body comparison: Panasonic FZ300 vs Canon G3 X

An illustration of the physical size and weight of the Panasonic FZ300 and the Canon G3 X is provided in the side-by-side display below. 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. 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 side – the FZ300 – represents the basis for the calculations across all the size and weight measures).

Compare Panasonic FZ300 vs Canon G3 X
FZ300 versus G3X top view
FZ300 and G3X rear side
Body view (FZ300 on the left)

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Canon G3 X is notably smaller (22 percent) than the Panasonic FZ300. However, the G3X is markedly heavier (6 percent) than the FZ300. In this context, it is worth noting that both cameras are splash and dust-proof and can, hence, be used in inclement weather conditions or harsh environments.

Concerning battery life, the FZ300 gets 380 shots out of its DMW-BLC12 battery, while the G3X can take 300 images on a single charge of its NB-10L power pack.

The table below summarizes the key physical specs of the two cameras alongside a broader set of comparators. If you want to switch the focus of the display and review another camera pair, just select a new right or left comparator from among the camera models in the table. Alternatively, you can also move across to the CAM-parator tool and choose from the broad selection of possible camera comparisons there.

Camera Body Specifications
Camera Camera
Width
Camera
Height
Camera
Depth
Camera
Weight
Battery
Life
(CIPA)
Weather
Sealing
(y/n)
Camera
Launch
(year)
Launch
Price
(USD)
Street
Price
(amazon)
Used
Price
(ebay)
Panasonic FZ300 (⇒ rgt) 132 mm 92 mm 117 mm 691 g 380 YES 2015 599 latest check
Canon G3 X (⇒ lft) 123 mm 77 mm 105 mm 733 g 300 YES 2015 999 latest check
Canon 80D (⇒ lft | rgt) 139 mm 105 mm 79 mm 730 g 960 YES 2016 1,199 latest check
Canon SX60 (⇒ lft | rgt) 128 mm 93 mm 114 mm 650 g 340 no 2014 549 latest check
Canon 7D II (⇒ lft | rgt) 149 mm 112 mm 78 mm 910 g 670 YES 2014 1,799 latest check
Canon 70D (⇒ lft | rgt) 139 mm 104 mm 79 mm 755 g 920 YES 2013 1,199discont. check
Fujifilm X30 (⇒ lft | rgt) 119 mm 72 mm 60 mm 423 g 470 no 2014 599 latest check
Leica X-U Typ 113 (⇒ lft | rgt) 140 mm 79 mm 88 mm 635 g 450 YES 2016 2,950 latest check
Panasonic FZ1000 (⇒ lft | rgt) 137 mm 99 mm 131 mm 831 g 360 no 2014 899discont. check
Panasonic LX100 (⇒ lft | rgt) 115 mm 66 mm 55 mm 393 g 300 no 2014 899 latest check
Panasonic FZ200 (⇒ lft | rgt) 125 mm 87 mm 110 mm 588 g 540 no 2012 599discont. check
Panasonic FZ150 (⇒ lft | rgt) 124 mm 82 mm 92 mm 528 g 410 no 2011 499discont. check
Panasonic LX5 (⇒ lft | rgt) 110 mm 65 mm 43 mm 271 g 400 no 2010 499discont. check
Sony RX10 II (⇒ lft | rgt) 129 mm 88 mm 102 mm 813 g 400 YES 2015 1,299discont. check
Sony RX100 IV (⇒ lft | rgt) 102 mm 58 mm 41 mm 298 g 280 no 2015 999discont. check

The price is, of course, an important factor in any camera decision. The listed launch prices provide an indication of the market segment that the manufacturer of the cameras have been targeting. The FZ300 was launched at a markedly lower price (by 40 percent) than the G3X, which puts it into a different market segment. 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. Then, after the new model is out, very good deals can frequently be found on the pre-owned market.


Sensor comparison: Panasonic FZ300 vs Canon G3 X

The size of the imaging sensor is a crucial determinant of image quality. A large sensor will tend to have larger individual pixels that provide better low-light sensitivity, wider dynamic range, and richer color depth than smaller pixel-units in a sensor of the same technological generation. Further, a large sensor camera will give the photographer additional creative options when using shallow depth-of-field to isolate a subject from its background. On the downside, larger sensors are more costly to manufacture and tend to lead to bigger and heavier cameras and lenses.

Of the two cameras under consideration, the Panasonic FZ300 features a 1/2.3-inch sensor and the Canon G3 X an one-inch sensor. The sensor area in the G3X is 314 percent bigger. As a result of these sensor size differences, the cameras have a format factor of, respectively, 5.6 and 2.7. The sensor in the FZ300 has a native 4:3 aspect ratio, while the one in the G3X offers a 3:2 aspect.

Panasonic FZ300 and Canon G3 X sensor measures
Sensor size

With 20MP, the G3X offers a higher resolution than the FZ300 (12MP), but the G3X nevertheless has larger individual pixels (pixel pitch of 2.41μm versus 1.53μm for the FZ300) due to its larger sensor. It is noteworthy in this context that the two cameras were released in close succession, so that their sensors are from the same technological generation. Coming back to sensor resolution, it should be mentioned that the FZ300 has no anti-alias filter installed, so that it can capture all the detail its sensor resolves.

FZ300 versus G3X MP
Sensor resolution

Since 2007, DXO Mark has published sensor performance measurements that have been derived using a consistent methodology. 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 consideration, the G3X offers substantially better image quality than the FZ300 (overall score 25 points higher). The advantage is based on 2.1 bits higher color depth, 1.3 EV in additional dynamic range, and 2.4 stops in additional low light sensitivity. The following table provides an overview of the physical sensor characteristics, as well as the sensor quality measurements for a selection of comparators.

Sensor Characteristics
Camera Sensor
Class
Resolution
(Megapixel)
Horiz.
Pixels
Vert.
Pixels
Video
Format
DXO
Portrait
DXO
Landscape
DXO
Sports
DXO
Overall
Panasonic FZ300 (⇒ rgt) 1/2.3 12.0 4000 3000 4K/30p 19.3 11.0 97 38
Canon G3 X (⇒ lft) 1-inch 20.0 5472 3648 1080/60p 21.4 12.3 521 63
Canon 80D (⇒ lft | rgt) APS-C 24.0 6000 4000 1080/60p 23.6 13.2 1135 79
Canon SX60 (⇒ lft | rgt) 1/2.3 14.2 4608 3072 1080/60p 19.2 10.8 127 39
Canon 7D II (⇒ lft | rgt) APS-C 20.0 5472 3648 1080/60p 22.4 11.8 1082 70
Canon 70D (⇒ lft | rgt) APS-C 20.0 5472 3648 1080/30p 22.5 11.6 926 68
Fujifilm X30 (⇒ lft | rgt) 2/3 12.0 4000 3000 1080/60p - - - -
Leica X-U Typ 113 (⇒ lft | rgt) APS-C 16.1 4928 3264 1080/30p - - - -
Panasonic FZ1000 (⇒ lft | rgt) 1-inch 20.0 5472 3648 4K/30p 22.1 11.7 517 64
Panasonic LX100 (⇒ lft | rgt) Four Thirds 12.7 4112 3088 4K/30p 22.3 12.5 553 67
Panasonic FZ200 (⇒ lft | rgt) 1/2.3 12.0 4000 3000 1080/60p 19.1 10.8 114 37
Panasonic FZ150 (⇒ lft | rgt) 1/2.3 12.0 4000 3000 1080/60p 19.4 10.9 132 40
Panasonic LX5 (⇒ lft | rgt) 1/1.7 10.0 3648 2736 720/60p 19.6 10.8 132 41
Sony RX10 II (⇒ lft | rgt) 1-inch 20.0 5472 3648 4K/30p 23.0 12.6 531 70
Sony RX100 IV (⇒ lft | rgt) 1-inch 20.0 5472 3648 4K/30p 22.8 12.6 591 70

Many modern cameras are not only capable of taking still images, but also of capturing video footage. Both cameras under consideration have a sensor with sufficiently fast read-out times for moving pictures, but the FZ300 provides a higher video resolution than the G3X. It can shoot video footage at 4K/30p, while the Canon is limited to 1080/60p.

Feature comparison: Panasonic FZ300 vs Canon G3 X

Apart from body and sensor, cameras can and do differ across a range of features. For example, the FZ300 has an electronic viewfinder (1440k dots), which can be very helpful when shooting in bright sunlight. In contrast, the G3X relies on live view and the rear LCD for framing. The following table reports on some other key feature differences and similarities of the Panasonic FZ300, the Canon G3 X, and comparable cameras. If needed, the dpreview camera hub, for example, contains further detail on the cameras' specs.

Core Features
Camera Viewfinder
(Type or
'000 dots)
Control
Panel
(Y/n)
LCD
Size
(inch)
LCD
Resolution
('000 dots)
LCD
Attach-
ment
Touch
Screen
(Y/n)
Shutter
speed
(1/sec)
Shutter
flaps
(1/sec))
Build-in
Flash
(GN)
Build-in
Image
Stab
Panasonic FZ300 (⇒ rgt) 1440 no 3.0 1040 swivel YES 4000 12.0 8.8 YES
Canon G3 X (⇒ lft) no no 3.2 1620 tilting YES 2000 5.9 6.8 YES
Canon 80D (⇒ lft | rgt) optical YES 3.0 1040 swivel YES 8000 7.0 12 no
Canon SX60 (⇒ lft | rgt) 922 no 3.0 922 swivel no 2000 6.4 5.5 YES
Canon 7D II (⇒ lft | rgt) optical YES 3.0 1040 fixed no 8000 10.0 11 no
Canon 70D (⇒ lft | rgt) optical YES 3.0 1040 swivel YES 8000 7.0 12 no
Fujifilm X30 (⇒ lft | rgt) 2360 no 3.0 920 tilting no 4000 12.0 7 YES
Leica X-U Typ 113 (⇒ lft | rgt) no no 3.0 920 fixed no 2000 5.0 YES no
Panasonic FZ1000 (⇒ lft | rgt) 2359 no 3.0 921 swivel no 4000 12.0 13.5 YES
Panasonic LX100 (⇒ lft | rgt) 2764 no 3.0 921 fixed no 4000 11.0 no YES
Panasonic FZ200 (⇒ lft | rgt) 1312 no 3.0 460 swivel no 4000 12.0 13.5 YES
Panasonic FZ150 (⇒ lft | rgt) 202 no 3.0 460 swivel no 2000 12.0 9.5 YES
Panasonic LX5 (⇒ lft | rgt) no no 3.0 460 fixed no 4000 2.5 7.2 YES
Sony RX10 II (⇒ lft | rgt) 2359 YES 3.0 1229 tilting no 3200 14.0 10.2 YES
Sony RX100 IV (⇒ lft | rgt) 2359 no 3.0 1228 tilting no 2000 16.0 10.2 YES

Both the FZ300 and the G3X have zoom lenses build in. The FZ300 has a 25-600mm f/2.8-2.8 optic and the G3X offers a 24-600mm f/2.8-5.6 (focal lengths in full frame equivalent terms). Hence, the Canon provides a wider angle of view at the short end than the Panasonic and the same tele-photo reach at the long end. Both cameras offer the same maximum aperture.

Both the FZ300 and the G3X are current models that good online retailers will have in stock. You can check the latest prices, for example, at amazon. The FZ300 replaced the earlier Panasonic FZ200, while the G3X does not have a direct predecessor.

Review summary: Panasonic FZ300 vs Canon G3 X

So what conclusions can be drawn? Which of the two cameras – the Panasonic FZ300 or the Canon G3 X – has the upper hand? Below is a summary of the relative strengths of each of the two contestants.


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Arguments in favor of the Panasonic Lumix DMC-FZ300:

  • Maximized detail: Lacks an anti-alias filter to exploit the sensor's full resolution potential.
  • Better video: Provides higher definition movie capture (4K/30p vs 1080/60p).
  • Easier framing: Has an electronic viewfinder for image framing and settings control.
  • More flexible LCD: Has swivel screen for odd-angle shots in portrait or landscape orientation.
  • Faster shutter: Has higher mechanical shutter speed (4000/sec vs 2000/sec) to freeze action.
  • Faster burst: Shoots at higher frequency (12 vs 5.9 flaps/sec) to capture the decisive moment.
  • Longer lasting: Can take more shots (380 versus 300) on a single battery charge.
  • More affordable: Was introduced into a lower priced category (40 percent cheaper at launch).

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Reasons to prefer the Canon PowerShot G3 X:

  • More detail: Has more megapixels (20 vs 12MP), which boosts linear resolution by 32%.
  • Better moiré control: Has an anti-alias filter to avoid artificial patterns to appear in images.
  • Better image quality: Scores substantially higher (25 points) in the DXO overall evaluation.
  • Richer colors: Generates noticeably more natural colors (2.1 bits more color depth).
  • More dynamic range: Captures a broader range of light and dark details (1.3 EV of extra DR).
  • Better low-light sensitivity: Can shoot in dim conditions (2.4 stops ISO advantage).
  • Larger screen: Has a bigger rear LCD (3.2" vs 3.0") for image review and settings control.
  • More detailed LCD: Has a higher resolution rear screen (1620k vs 1040k dots).
  • Wider view: Has a wider-angle lens that facilitates landscape or interior shots.
  • More compact: Is smaller (123x77mm vs 132x92mm) and will fit more readily into a bag.

If the count of relative strengths (bullet points above) is taken as a measure, the G3X emerges as the winner of the match-up (10 : 8 points). However, the relative importance of the various individual camera aspects will vary according to personal preferences and needs, so that you might like to apply corresponding weights to the particular features before making a decision on a new camera.

FZ300 08:10 G3X

In any case, while the comparison of the spec-sheets of cameras can offer a general idea of their imaging potential, it remains incomplete and does no justice, for example, to the way the FZ300 or the G3X handle or perform in practice. User reviews that are available, for instance, at amazon can sometimes shed light on these issues, but such feedback is all too often partial, inconsistent, and inaccurate. This is why expert reviews are important. The following table reports the overall rankings of the cameras as published by some of the major camera review sites. You can find the full text of the reviews, respectively, at cameralabs.com, dpreview.com, ephotozine.com, imaging-resource.com, and photographyblog.com.

Review scores
Camera camera
labs
.com
dp
review
.com
ephoto
zine
.com
imaging
resource
.com
photography
blog
.com
Camera
Launch
(year)
Launch
Price
(USD)
Street
Price
(amazon)
Used
Price
(ebay)
Panasonic FZ300 (⇒ rgt) HiRec - 4.5/5 4.5/5 4.5/5 2015 599 latest check
Canon G3 X (⇒ lft) Rec - 4.5/5 3.5/5 4/5 2015 999 latest check
Canon 80D (⇒ lft | rgt) HiRec 84/100 Silver 4.5/5 4.5/5 4.5/5 2016 1,199 latest check
Canon SX60 (⇒ lft | rgt) HiRec 75/100 4/5 - 4.5/5 2014 549 latest check
Canon 7D II (⇒ lft | rgt) Rec 84/100 Silver 4/5 5/5 4.5/5 2014 1,799 latest check
Canon 70D (⇒ lft | rgt) HiRec 83/100 Gold 4.5/5 4.5/5 5/5 2013 1,199discont. check
Fujifilm X30 (⇒ lft | rgt) - 76/100 4.5/5 4/5 4.5/5 2014 599 latest check
Leica X-U Typ 113 (⇒ lft | rgt) - - - - 3.5/5 2016 2,950 latest check
Panasonic FZ1000 (⇒ lft | rgt) HiRec 82/100 Gold 4.5/5 4.5/5 4.5/5 2014 899discont. check
Panasonic LX100 (⇒ lft | rgt) HiRec 85/100 Gold 5/5 4/5 5/5 2014 899 latest check
Panasonic FZ200 (⇒ lft | rgt) HiRec 80/100 Gold 4.5/5 4.5/5 4.5/5 2012 599discont. check
Panasonic FZ150 (⇒ lft | rgt) HiRec 76/100 Silver 4/5 5/5 4.5/5 2011 499discont. check
Panasonic LX5 (⇒ lft | rgt) Rec 73/100 Silver 4.5/5 5/5 4.5/5 2010 499discont. check
Sony RX10 II (⇒ lft | rgt) HiRec 82/100 Gold 4.5/5 4.5/5 4/5 2015 1,299discont. check
Sony RX100 IV (⇒ lft | rgt) HiRec 85/100 Gold 4/5 4.5/5 4.5/5 2015 999discont. check

The above review scores should be interpreted with care, though. The assessments were made in relation to similar cameras of the same technological generation. A score, therefore, has to be seen in close connection to the price and market introduction time of the camera, 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.


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. If you do not see the camera that you are looking for, please contact me, and I will try to add information on that model to the database.

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