Panasonic GM5 vs Fujifilm X-T1

The Panasonic Lumix DMC-GM5 and the Fujifilm X-T1 are two digital cameras that were revealed to the public, respectively, in September 2014 and January 2014. Both the GM5 and the X-T1 are mirrorless interchangeable lens cameras that are based on a Four Thirds (GM5) and an APS-C (X-T1) sensor. The Panasonic has a resolution of 15.8 megapixels, whereas the Fujifilm provides 16 MP.

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

Headline Specifications

Panasonic GM5		Fujifilm X-T1
Mirrorless system camera		Mirrorless system camera
Micro Four Thirds lenses		Fujifilm X mount lenses
15.8 MP – Four Thirds sensor		16 MP – APS-C sensor
1080/60p Video		1080/60p Video
ISO 200-25,600		ISO 200-6,400 (100 - 51,200)
Electronic viewfinder (1166k dots)		Electronic viewfinder (2360k dots)
3.0" LCD – 921k dots		3.0" LCD – 1040k dots
Fixed touchscreen		Tilting screen (no touchscreen)
5.8 shutter flaps per second		8 shutter flaps per second
not weather sealed		Weathersealed body
220 shots per battery charge		350 shots per battery charge
99 x 60 x 36 mm, 211 g		129 x 90 x 47 mm, 440 g

Check GM5 offers at
ebay.com
Check X-T1 offers at
ebay.com

Going beyond this snapshot of core features and characteristics, what are the differences between the Panasonic Lumix DMC-GM5 and the Fujifilm X-T1? 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 physical size and weight of the Panasonic GM5 and the Fujifilm X-T1 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 measures are rounded to the nearest millimeter.

Both cameras are available in two different colors (black, silver).

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Fujifilm X-T1 is considerably larger (95 percent) than the Panasonic GM5. Moreover, the X-T1 is substantially heavier (109 percent) than the GM5. It is noteworthy in this context that the X-T1 is splash and dust-proof, while the GM5 does not feature any corresponding weather-sealing.

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 Micro Four Thirds Lens Catalog (GM5) and the Fujinon X Lens Catalog (X-T1). Mirrorless cameras, such as the two under consideration, have the additional advantage of having a short flange to focal plane distance, which makes it possible to mount many lenses from other systems onto the camera via adapters.

Concerning battery life, the GM5 gets 220 shots out of its Panasonic DMW-BLH7 battery, while the X-T1 can take 350 images on a single charge of its Fujifilm NP-W126 power pack.

The following table provides a synthesis of the main physical specifications of the two cameras and other similar ones. If you want to switch the focus of the display and review another camera pair, you can move across to the CAM-parator tool and choose from the broad selection of possible camera comparisons there.

Body Specifications

#		Camera Model	Camera Width	Camera Height	Camera Depth	Camera Weight	Battery Life	Weather Sealing	Camera Launch	Launch Price (USD)	Street Price
1.		Panasonic GM5	99 mm	60 mm	36 mm	211 g	220	n	Sep 2014	749	ebay.com
2.		Fujifilm X-T1	129 mm	90 mm	47 mm	440 g	350	Y	Jan 2014	1,299	ebay.com
3.		Fujifilm X-T2	133 mm	92 mm	49 mm	507 g	340	Y	Jul 2016	1,599	ebay.com
4.		Fujifilm X100T	127 mm	74 mm	52 mm	440 g	330	n	Sep 2014	1,299	ebay.com
5.		Fujifilm X100S	127 mm	74 mm	54 mm	445 g	330	n	Jan 2013	1,299	ebay.com
6.		Fujifilm X-E2	129 mm	75 mm	37 mm	350 g	350	n	Oct 2013	999	ebay.com
7.		Fujifilm X-M1	117 mm	67 mm	39 mm	330 g	350	n	Jun 2013	699	ebay.com
8.		Panasonic GX85	122 mm	71 mm	44 mm	426 g	290	n	Apr 2016	799	amazon.com
9.		Panasonic G7	125 mm	86 mm	77 mm	410 g	350	n	May 2015	649	ebay.com
10.		Panasonic GH4	133 mm	93 mm	84 mm	560 g	500	Y	Feb 2014	1,499	ebay.com
11.		Panasonic LX100	115 mm	66 mm	55 mm	393 g	300	n	Sep 2014	899	ebay.com
12.		Panasonic G6	122 mm	85 mm	71 mm	390 g	340	n	Apr 2013	599	ebay.com
13.		Panasonic GM1	99 mm	55 mm	30 mm	204 g	230	n	Oct 2013	749	ebay.com
14.		Panasonic GX1	116 mm	68 mm	39 mm	318 g	320	n	Nov 2011	699	ebay.com
15.		Panasonic GH2	124 mm	90 mm	76 mm	442 g	330	n	Sep 2010	899	ebay.com
16.		Ricoh GR II	117 mm	63 mm	35 mm	251 g	320	n	Jun 2015	699	ebay.com
17.		Ricoh GR	117 mm	61 mm	35 mm	245 g	290	n	Apr 2013	799	ebay.com
Note: Measurements and pricing do not include easily detachable parts, such as add-on or interchangeable lenses or optional viewfinders.
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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 GM5 was launched at a markedly lower price (by 42 percent) than the X-T1, 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.

Sensor comparison

The size of the imaging sensor is a crucial determinant 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 associated with larger, more expensive camera bodies and lenses.

Of the two cameras under consideration, the Panasonic GM5 features a Four Thirds sensor and the Fujifilm X-T1 an APS-C sensor. The sensor area in the X-T1 is 64 percent bigger. As a result of these sensor size differences, the cameras have a format factor of, respectively, 2.0 and 1.5. The sensor in the GM5 has a native 4:3 aspect ratio, while the one in the X-T1 offers a 3:2 aspect.

With 16MP, the X-T1 offers a higher resolution than the GM5 (15.8MP), but the X-T1 nevertheless has larger individual pixels (pixel pitch of 4.80μm versus 3.77μm for the GM5) due to its larger sensor. However, the GM5 is a somewhat more recent model (by 7 months) than the X-T1, and its sensor might have benefitted from technological advances during this time that enhance the light gathering capacity of its pixel-units. Coming back to sensor resolution, it should be mentioned that the X-T1 has no anti-alias filter installed, so that it can capture all the detail its sensor resolves.

The X-T1 has on-sensor phase detect pixels, which results in fast and reliable autofocus acquisition even during live view operation.

The Panasonic Lumix DMC-GM5 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 Fujifilm X-T1 are ISO 200 to ISO 6400, with the possibility to increase the ISO range to 100-51200.

Technology-wise, both cameras are equipped with CMOS (Complementary Metal–Oxide–Semiconductor) sensors. Like most digital cameras, the GM5 uses a Bayer filter for capturing RGB colors on a square grid of photosensors. In contrast, the X-T1 employs a more randomized X-Trans layout of photosites, which according to Fujifilm helps to minimize moiré.

Consistent information on actual sensor performance is available from DXO Mark for many cameras. This service is based on lab testing and assigns an overall score to each camera sensor, as well as ratings for dynamic range ("DXO Landscape"), color depth ("DXO Portrait"), and low-light sensitivity ("DXO Sports"). 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 Model	Sensor Class	Resolution (MP)	Horiz. Pixels	Vert. Pixels	Video Format	DXO Portrait	DXO Landscape	DXO Sports	DXO Overall
1.		Panasonic GM5	Four Thirds	15.8	4592	3448	1080/60p	22.1	11.7	721	66
2.		Fujifilm X-T1	APS-C	16.0	4896	3264	1080/60p	23.5	12.7	1426	77
3.		Fujifilm X-T2	APS-C	24.0	6000	4000	4K/30p	23.8	13.1	1653	81
4.		Fujifilm X100T	APS-C	16.0	4896	3264	1080/60p	23.6	12.8	1483	78
5.		Fujifilm X100S	APS-C	16.0	4896	3264	1080/60p	23.3	12.5	1329	75
6.		Fujifilm X-E2	APS-C	16.0	4896	3264	1080/60p	23.4	12.6	1400	77
7.		Fujifilm X-M1	APS-C	16.0	4896	3264	1080/30p	23.4	12.6	1371	76
8.		Panasonic GX85	Four Thirds	15.8	4592	3448	4K/30p	22.9	12.6	662	71
9.		Panasonic G7	Four Thirds	15.8	4592	3448	4K/30p	22.8	12.4	904	71
10.		Panasonic GH4	Four Thirds	15.9	4608	3456	4K/30p	23.2	12.8	791	74
11.		Panasonic LX100	Four Thirds	12.7	4112	3088	4K/30p	22.3	12.5	553	67
12.		Panasonic G6	Four Thirds	15.9	4608	3456	1080/60p	21.3	11.5	639	61
13.		Panasonic GM1	Four Thirds	15.8	4592	3448	1080/60i	22.3	11.7	660	66
14.		Panasonic GX1	Four Thirds	15.8	4592	3448	1080/60p	20.8	10.6	703	55
15.		Panasonic GH2	Four Thirds	15.9	4608	3456	1080/60i	21.2	11.3	655	60
16.		Ricoh GR II	APS-C	16.1	4928	3264	1080/30p	23.6	13.7	1078	80
17.		Ricoh GR	APS-C	16.1	4928	3264	1080/30p	23.6	13.5	972	78
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 also of capturing video footage. The two cameras under consideration both have sensors whose read-out speed is fast enough to capture moving pictures, and both provide the same movie specifications (1080/60p).

Feature comparison

Apart from body and sensor, cameras can and do differ across a variety of features. The two cameras under review are similar with respect to both having an electronic viewfinder. However, the one in the X-T1 offers a substantially higher resolution than the one in the GM5 (2360k vs 1166k dots). The following table reports on some other key feature differences and similarities of the Panasonic GM5, the Fujifilm X-T1, and comparable cameras.

Core Features

#		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.		Panasonic GM5	1166	n	3.0 / 921	fixed	Y	1/500s	5.8/s	n	n
2.		Fujifilm X-T1	2360	n	3.0 / 1040	tilting	n	1/4000s	8.0/s	n	n
3.		Fujifilm X-T2	2360	n	3.0 / 1040	full-flex	n	1/8000s	8.0/s	n	n
4.		Fujifilm X100T	2360	n	3.0 / 1040	fixed	n	1/4000s	6.0/s	Y	n
5.		Fujifilm X100S	2360	n	2.8 / 460	fixed	n	1/4000s	6.0/s	Y	n
6.		Fujifilm X-E2	2360	n	3.0 / 1040	fixed	n	1/4000s	7.0/s	Y	n
7.		Fujifilm X-M1	none	n	3.0 / 920	tilting	n	1/4000s	5.6/s	Y	n
8.		Panasonic GX85	2765	n	3.0 / 1040	tilting	Y	1/4000s	8.0/s	Y	Y
9.		Panasonic G7	2360	n	3.0 / 1040	swivel	Y	1/4000s	7.0/s	Y	n
10.		Panasonic GH4	2359	n	3.0 / 1036	swivel	Y	1/8000s	12.0/s	Y	n
11.		Panasonic LX100	2764	n	3.0 / 921	fixed	n	1/4000s	11.0/s	n	Y
12.		Panasonic G6	1440	n	3.0 / 1036	swivel	Y	1/4000s	7.0/s	Y	n
13.		Panasonic GM1	none	n	3.0 / 1036	fixed	Y	1/500s	5.0/s	Y	n
14.		Panasonic GX1	optional	n	3.0 / 460	fixed	Y	1/4000s	4.2/s	Y	n
15.		Panasonic GH2	1534	n	3.0 / 460	swivel	n	1/4000s	3.0/s	Y	n
16.		Ricoh GR II	optional	n	3.0 / 1230	fixed	n	1/4000s	4.0/s	Y	n
17.		Ricoh GR	optional	n	3.0 / 1230	fixed	n	1/4000s	4.0/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 GM5 has a touchscreen, while the X-T1 has a conventional panel. Touch control can be particularly helpful, for example, for setting the focus point.

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 GM5 and the Fujifilm X-T1 both have 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 GM5 and the X-T1 write their files to SDXC cards. The X-T1 supports UHS-II cards (Ultra High Speed data transfer of up to 312 MB/s), while the GM5 can use UHS-I cards (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-GM5 and Fujifilm X-T1 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 Mic / Speaker	Microphone Port	Headphone Port	HDMI Port	USB Port	WiFi Support	NFC Support	Bluetooth Support
1.		Panasonic GM5	Y	stereo / mono	-	-	micro	2.0	Y	-	-
2.		Fujifilm X-T1	Y	stereo / mono	Y	-	mini	2.0	Y	-	-
3.		Fujifilm X-T2	Y	stereo / mono	Y	-	micro	3.0	Y	-	-
4.		Fujifilm X100T	Y	stereo / mono	Y	-	micro	2.0	Y	-	-
5.		Fujifilm X100S	Y	stereo / mono	-	-	micro	2.0	-	-	-
6.		Fujifilm X-E2	Y	stereo / mono	Y	-	micro	2.0	Y	-	-
7.		Fujifilm X-M1	Y	stereo / mono	-	-	mini	2.0	Y	-	-
8.		Panasonic GX85	Y	stereo / mono	-	-	micro	2.0	Y	-	-
9.		Panasonic G7	Y	stereo / mono	Y	-	micro	2.0	Y	-	-
10.		Panasonic GH4	Y	stereo / mono	Y	Y	micro	2.0	Y	Y	-
11.		Panasonic LX100	Y	stereo / mono	-	-	micro	2.0	Y	Y	-
12.		Panasonic G6	Y	stereo / mono	Y	-	mini	2.0	Y	Y	-
13.		Panasonic GM1	-	stereo / mono	-	-	micro	2.0	Y	-	-
14.		Panasonic GX1	Y	stereo / mono	-	-	mini	2.0	-	-	-
15.		Panasonic GH2	Y	stereo / mono	Y	-	mini	2.0	-	-	-
16.		Ricoh GR II	Y	stereo / mono	-	-	micro	2.0	Y	Y	-
17.		Ricoh GR	Y	mono / mono	-	-	micro	2.0	-	-	-

It is notable that the X-T1 has a microphone port, which can help to improve the quality of audio recordings by attaching an external microphone. The GM5 does not feature such a mic input.

Studio photographers will appreciate that the Fujifilm X-T1 (unlike the GM5) features a PC Sync socket, so that professional strobe lights can be controlled by the camera.

Both the GM5 and the X-T1 have been discontinued, but can regularly be found used on ebay. The X-T1 was replaced by the Fujifilm X-T2, while the GM5 does not have a direct successor. Further information on the features and operation of the GM5 and X-T1 can be found, respectively, in the Panasonic GM5 Manual (free pdf) or the online Fujifilm X-T1 Manual.

Review summary

So what conclusions can be drawn? Is there a clear favorite between the Panasonic GM5 and the Fujifilm X-T1? Which camera is better? The listing below highlights the relative strengths of the two models.

Reasons to prefer the Panasonic Lumix DMC-GM5:

• Better moiré control: Has an anti-alias filter to avoid artificial patterns to appear in images.
• Fewer buttons to press: Is equipped with a touch-sensitive rear screen to facilitate handling.
• More compact: Is smaller (99x60mm vs 129x90mm) and thus needs less room in the bag.
• Less heavy: Is lighter (by 229g or 52 percent) and hence easier to carry around.
• More affordable: Was introduced into a lower priced category (42 percent cheaper at launch).
• More modern: Is somewhat more recent (announced 7 months after the X-T1).

Arguments in favor of the Fujifilm X-T1:

• Maximized detail: Lacks an anti-alias filter to exploit the sensor's full resolution potential.
• Better image quality: Features bigger pixels on a larger sensor for higher quality imaging.
• Richer colors: The pixel size advantage translates into images with better, more accurate colors.
• More dynamic range: Larger pixels capture a wider spectrum of light and dark details.
• Better low-light sensitivity: Larger pixels means good image quality even under poor lighting.
• Better live-view autofocus: Features on-sensor phase-detection for more confident autofocus.
• Better sound: Can connect to an external microphone for higher quality sound recording.
• More detailed viewfinder: Has higher resolution electronic viewfinder (2360k vs 1166k dots).
• Larger viewfinder image: Features a viewfinder with a higher magnification (0.77x vs 0.46x).
• More detailed LCD: Has a higher resolution rear screen (1040k vs 921k dots).
• More flexible LCD: Has a tilting screen for odd-angle shots in landscape orientation.
• Faster shutter: Has higher mechanical shutter speed (1/4000s vs 1/500s) to freeze action.
• Faster burst: Shoots at higher frequency (8 vs 5.8 flaps/sec) to capture the decisive moment.
• Longer lasting: Gets more shots (350 versus 220) out of a single battery charge.
• Better sealing: Is splash and dust sealed for shooting in inclement weather conditions.
• Better studio light control: Has a PC Sync socket to connect to professional strobe lights.
• Faster buffer clearing: Supports a more advanced SD data transfer standard (UHS-II vs UHS-I).
• More heavily discounted: Has been on the market for longer (launched in January 2014).

If the count of individual advantages (bullet points above) is taken as a guide, the X-T1 is the clear winner of the contest (18 : 6 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.

How about other alternatives? Do the specifications of the Panasonic GM5 and the Fujifilm X-T1 place the cameras among the top in their class? Find out in the latest Best Mirrorless Interchangeable Lens Camera listing 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 GM5 or the X-T1. 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.

Expert Camera Reviews

#		Camera   Model	AP   score	CL   score	DCW   score	DPR   score	EPZ   score	PB   score	Camera Launch	Launch Price (USD)	Street Price
1.		Panasonic GM5	3.5/5	+	..	77/100	5/5	4.5/5	Sep 2014	749	ebay.com
2.		Fujifilm X-T1	5/5	+ +	..	84/100	5/5	5/5	Jan 2014	1,299	ebay.com
3.		Fujifilm X-T2	5/5	+ +	..	86/100	4.5/5	5/5	Jul 2016	1,599	ebay.com
4.		Fujifilm X100T	5/5	+	..	81/100	4.5/5	5/5	Sep 2014	1,299	ebay.com
5.		Fujifilm X100S	5/5	+ +	..	81/100	4.5/5	5/5	Jan 2013	1,299	ebay.com
6.		Fujifilm X-E2	4/5	..	..	80/100	4.5/5	5/5	Oct 2013	999	ebay.com
7.		Fujifilm X-M1	3/5	+	..	77/100	4.5/5	4.5/5	Jun 2013	699	ebay.com
8.		Panasonic GX85	4.5/5	+ +	..	82/100	5/5	5/5	Apr 2016	799	amazon.com
9.		Panasonic G7	4/5	+ +	3.5/5	80/100	5/5	4.5/5	May 2015	649	ebay.com
10.		Panasonic GH4	5/5	+ +	..	85/100	5/5	5/5	Feb 2014	1,499	ebay.com
11.		Panasonic LX100	5/5	+ +	..	85/100	5/5	5/5	Sep 2014	899	ebay.com
12.		Panasonic G6	4/5	+ +	..	..	5/5	4.5/5	Apr 2013	599	ebay.com
13.		Panasonic GM1	3/5	+	..	78/100	5/5	4.5/5	Oct 2013	749	ebay.com
14.		Panasonic GX1	3/5	+	..	77/100	4.5/5	4.5/5	Nov 2011	699	ebay.com
15.		Panasonic GH2	5/5	+ +	..	79/100	4.5/5	5/5	Sep 2010	899	ebay.com
16.		Ricoh GR II	..	..	..	..	4.5/5	4.5/5	Jun 2015	699	ebay.com
17.		Ricoh GR	5/5	..	..	79/100	4.5/5	4.5/5	Apr 2013	799	ebay.com
Note: (+ +) highly recommended; (+) recommended; (o) reviewed; (..) not available.

The above review scores should be interpreted with care, 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 comparisons of ratings among very different cameras or across long time periods have little meaning. Also, kindly note that some of the listed sites have over time developped their review approaches and their reporting style.

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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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