Fujifilm X-A3 vs Panasonic Lumix DMC-GH3

In this comparison, we will evaluate the Fujifilm X-A3 and the Panasonic Lumix DMC-GH3, highlighting the advantages of each over the other, discussing their pros and cons, shared strengths and weaknesses, and providing a rating based on their available features and specifications to assist you in choosing the one that best suits your needs.

Fujifilm X-A3 was introduced in August 2016 and Panasonic Lumix DMC-GH3 was introduced in September 2012. Let us first list highlights of the models.

Now that we've looked at the most essential specifications and gained a basic understanding of these cameras, we can delve into more details and see the differences between them.

This section shows those features and specifications which are the reason to choose Fujifilm X-A3 over Panasonic Lumix DMC-GH3.

This section shows those features and specifications which are the reason to choose Panasonic Lumix DMC-GH3 over Fujifilm X-A3.

We already listed pros and cons of each model. However, you may also find useful to look at their common strengths and weaknesses shown side-by-side.

Screen

Fujifilm X-A3 and Panasonic Lumix DMC-GH3 have 3.0" screens with 1,040k dot and 614k dot resolutions respectively. Fujifilm X-A3 has a Tilting screen which makes it very useful for photography purposes but not so useful for video shooting. Panasonic Lumix DMC-GH3 has a Fully Articulated screen which makes it selfie and vlogger friendly and generally very useful for video shooting. Both models feature touchscreen which has advantages such as easy menu navigation, intuitive controls, quick setting adjustment and most importantly a Touch-to-Focus functionality allowing users to select a specific point on the screen where they want the camera to focus. This feature can be helpful for achieving precise focus in both photo and video recording.

Electronic Viewfinder on Panasonic Lumix DMC-GH3

Panasonic Lumix DMC-GH3 has a built-in Electronic viewfinder with 1,744k dot resolution. It has a 100% coverage and 1.34x (0.67x 35mm equivalent) magnification. There is no built-in or optional viewfinder available on Fujifilm X-A3.

Fujifilm X-A3 features a 24.2 megapixel APS-C CMOS sensor with dimensions of 23.5 x 15.7 mm and a total area of 369 mm². Its native ISO range is 200 - 6,400 and expands to 100 - 25,600 in boosted mode. Panasonic Lumix DMC-GH3 features a 16.05 megapixel Micro Four Thirds CMOS sensor with dimensions of 17.3 x 13 mm and a total area of 169 mm². Its native ISO range is 200 - 12,800.

Here is a sensor size comparison chart where you can see how different sensors compare with each other:

Sensor size chart

	Sensor	Dimensions	Area	Aspect Ratio	Crop Factor
	Medium Format	44 x 33 mm	1452 mm2	4:3	0.79x
	Full Frame	36 x 24 mm	864 mm2	3:2	1x
	APS-H	27 x 18 mm	486 mm2	3:2	1.3x
	APS-C	23.6 x 15.6 mm	368.2 mm2	3:2	1.5x
	APS-C (Canon)	22.3 x 14.9 mm	332.3 mm2	3:2	1.6x
	Micro Four Thirds	17.4 x 13 mm	226.2 mm2	4:3	2x
	1-inch	13.2 x 8.8 mm	116.2 mm2	3:2	2.7x
	1/1.7-inch	7.44 x 5.58 mm	41.5 mm2	4:3	4.7x
	1/2.3-inch	6.17 x 4.55 mm	28.1 mm2	4:3	5.6x

Fujifilm X-A3 is equipped with EXR Processor II processor and can take pictures up to 6000 x 4000 resolution. Panasonic Lumix DMC-GH3 is equipped with Venus Engine VII FHD processor and can take pictures up to 4608 x 3456 resolution. It can also take pictures with lower resolution like 4608x3072, 3264x2448, 2336x1752, 4608x3072, 3264x2176, 2336x1560, 4608x2592, 3264x1840, 1920x1080, 3456x3456, 2448x2448, 1744x1744, 1712x1712 with 1:1, 4:3, 3:2, 16:9 aspect ratios.

Lens Mount

Fujifilm X-A3 has Fujifilm X lens mount and Panasonic Lumix DMC-GH3 has Micro Four Thirds lens mount. Due to APS-C sensor in Fujifilm X-A3 its crop factor is equal to 1.5x, this means that a 35mm equivalent focal length of the mounted lens will be equal to its actual focal length times 1.5. Due to Micro Four Thirds sensor in Panasonic Lumix DMC-GH3 its crop factor is equal to 2x, this means that a 35mm equivalent focal length of the mounted lens will be equal to its actual focal length times 2.

No Image Stabilization

The cameras do not have image stabilization. On Fujifilm X-A3 it means that you need lenses with optical image stabilization for vibration reduction. As for Panasonic Lumix DMC-GH3 nothing can be done. On Panasonic Lumix DMC-GH3 it means that you need lenses with optical image stabilization for vibration reduction. As for Fujifilm X-A3 nothing can be done.

Built-in Wi-Fi

Cameras have built-in Wi-Fi (802.11b/g/n, 2.4 GHz) which allows to easily transfer photos and videos from the camera to other Wi-Fi-enabled devices, such as smartphones, tablets, printers, or computers. This eliminates the need for cables and allows for quick and convenient media sharing and social media integration. It gives you the ability to control your camera remotely using a smartphone or tablet. This is particularly useful for taking self-portraits, group shots, or capturing images in challenging conditions without having to touch the camera. Firmware updates can also be downloaded and installed wirelessly.
  Check out the cameras in our database that have built-in WiFi.

USB Inputs and HDMI Outputs

Both models have USB 2.0 (480 Mbit/sec) inputs for data transfer. Fujifilm X-A3 has a Mini HDMI and Panasonic Lumix DMC-GH3 has a Mini Type C HDMI connector for video signal output.

Battery

Fujifilm X-A3 comes with NP-W126 battery pack with battery life of 410 shots.

External Storage Slots

Cameras have a single SD/SDHC/SDXC (UHS-I) card slot.

Shutter

Fujifilm X-A3 has Focal Plane shutter. Shutter speed can go up to 1/32000 sec with electronic shutter and up to 1/4000 sec with mechanical shutter on Fujifilm X-A3, and up to 1/4000 sec on Panasonic Lumix DMC-GH3. Fujifilm X-A3 can shoot continuously up to 6.0 fps. Panasonic Lumix DMC-GH3 can shoot continuously up to 20.0 fps.

Exposure

Exposure meterings of Panasonic Lumix DMC-GH3 ranges from 0 to +18 EV and you can set the exposure compensation within the ±3 EV range on Fujifilm X-A3 and ±5 EV range on Panasonic Lumix DMC-GH3. You can also do exposure bracketing and manual exposure adjustment on Fujifilm X-A3 and exposure lock, exposure bracketing and manual exposure adjustment on Panasonic Lumix DMC-GH3.

Flash

Cameras have built-in flash with maximum range of 7.00 m at ISO 200 on Fujifilm X-A3 and 12.00 m on Panasonic Lumix DMC-GH3. They also accept external flash which can be connected via Hot Shoe to Panasonic Lumix DMC-GH3. The fastest flash synchronization speed is 1/180 sec on Fujifilm X-A3 and 1/160 sec on Panasonic Lumix DMC-GH3.

Fujifilm X-A3 body has dimensions of 117 x 67 x 40 mm (4.61 x 2.64 x 1.57") and Panasonic Lumix DMC-GH3 body has dimensions of 133 x 93 x 82 mm (5.24 x 3.66 x 3.23"). Fujifilm X-A3 weighs 339 g (0.75 lb / 11.96 oz) and Panasonic Lumix DMC-GH3 weighs 550 g (1.21 lb / 19.40 oz).

Fujifilm X-A3

Panasonic Lumix DMC-GH3

117 mm

67 mm

133 mm

93 mm

67 mm

93 mm

40 mm

82 mm