Panasonic GX9 vs Sony A900

Below is a detailed review of the Panasonic GX9 and Sony A900, one being a Advanced Mirrorless and the latter is a Advanced DSLR by companies Panasonic and Sony. The image resolution of the GX9 (20MP) and the A900 (25MP) is pretty similar but the GX9 (Four Thirds) and A900 (Full frame) offer different sensor dimensions.

Photography Glossary

The GX9 was revealed 9 years later than the A900 and that is quite a sizable gap as far as tech is concerned. Both the cameras have different body design with the Panasonic GX9 being a Rangefinder-style mirrorless camera and the Sony A900 being a Mid-size SLR camera.

Before going into a more detailed comparison, here is a concise summary of how the GX9 scores versus the A900 in the way of portability, imaging, features and an overall grade.

Below is a preview of the gallery images for Panasonic Lumix DC-GX9 and Sony Alpha DSLR-A900. The full galleries are available at Panasonic GX9 Gallery and Sony A900 Gallery.

When you are aiming to lug around your camera regularly, you'll have to consider its weight and dimensions. The Panasonic GX9 enjoys external dimensions of 124mm x 72mm x 47mm (4.9" x 2.8" x 1.9") accompanied by a weight of 407 grams (0.90 lbs) while the Sony A900 has dimensions of 156mm x 117mm x 82mm (6.1" x 4.6" x 3.2") accompanied by a weight of 895 grams (1.97 lbs).

Compare the Panasonic GX9 and Sony A900 in the latest Camera with Lens Size Comparison Tool.

Take into consideration, the weight of an Interchangeable Lens Camera will differ dependant on the lens you choose at the time. Following is a front view over all size comparison of the GX9 versus the A900.

Factoring in size and weight, the portability grade of the GX9 and A900 is 82 and 54 respectively.

Generally, it's tough to picture the gap between sensor measurements only by reviewing specifications. The visual underneath should give you a more clear sense of the sensor sizes in the GX9 and A900.

Plainly, both of these cameras have different megapixels and different sensor measurements. The GX9 with its tinier sensor is going to make achieving shallower depth of field trickier and the Sony A900 will offer extra detail because of its extra 5 Megapixels. Higher resolution can also make it easier to crop shots a bit more aggressively. The more modern GX9 provides an advantage in sensor tech.