Panasonic G1 vs Sony A7R

In this article, we will be reviewing the Panasonic G1 and Sony A7R, one is a Entry-Level Mirrorless and the latter is a Pro Mirrorless by rivals Panasonic and Sony. There is a big difference among the sensor resolutions of the G1 (12MP) and A7R (36MP) and the G1 (Four Thirds) and A7R (Full frame) use different sensor sizing.

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The G1 was released 6 years prior to the A7R which is a fairly big gap as far as camera tech is concerned. Both of the cameras offer the identical body type (SLR-style mirrorless).

Before delving in to a step-by-step comparison, below is a concise highlight of how the G1 scores versus the A7R with regard to portability, imaging, features and an overall mark.

Following is a preview of the gallery images for Panasonic Lumix DMC-G1 and Sony Alpha A7R. The complete galleries are available at Panasonic G1 Gallery and Sony A7R Gallery.

If you're intending to travel with your camera regularly, you are going to need to consider its weight and size. The Panasonic G1 has exterior measurements of 124mm x 84mm x 45mm (4.9" x 3.3" x 1.8") and a weight of 360 grams (0.79 lbs) while the Sony A7R has specifications of 127mm x 94mm x 48mm (5.0" x 3.7" x 1.9") along with a weight of 465 grams (1.03 lbs).

Check out the Panasonic G1 and Sony A7R in the all new Camera and Lens Size Comparison Tool.

Remember, the weight of an Interchangeable Lens Camera will differ depending on the lens you use at the time. Underneath is the front view measurements comparison of the G1 against the A7R.

Taking into consideration size and weight, the portability score of the G1 and A7R is 82 and 78 respectively.

Often, it's tough to picture the difference in sensor dimensions merely by looking through specs. The pic below might give you a more clear sense of the sensor sizing in the G1 and A7R.

As you can plainly see, each of the cameras offer different megapixels and different sensor dimensions. The G1 because of its smaller sensor is going to make getting shallower DOF trickier and the Sony A7R will provide you with extra detail as a result of its extra 24MP. Higher resolution will enable you to crop shots a little more aggressively. The more aged G1 will be disadvantaged in sensor technology.