Panasonic G3 vs Sony A7R IV

Following is a in depth analysis of the Panasonic G3 and Sony A7R IV, former is a Entry-Level Mirrorless while the other is a Pro Mirrorless by brands Panasonic and Sony. There is a large difference between the sensor resolutions of the G3 (16MP) and A7R IV (61MP) and the G3 (Four Thirds) and A7R IV (Full frame) posses totally different sensor sizes.

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The G3 was launched 9 years before the A7R IV which is quite a serious difference as far as tech is concerned. Each of the cameras feature the same body design (SLR-style mirrorless).

Before diving right into a in-depth comparison, here is a quick view of how the G3 scores versus the A7R IV in terms of portability, imaging, features and an overall score.

Below is a sample of the gallery pictures for Panasonic Lumix DMC-G3 & Sony Alpha A7R IV. The complete galleries are provided at Panasonic G3 Gallery & Sony A7R IV Gallery.

When you are planning to carry around your camera frequently, you should think about its weight and measurements. The Panasonic G3 features outside dimensions of 115mm x 84mm x 47mm (4.5" x 3.3" x 1.9") along with a weight of 336 grams (0.74 lbs) whilst the Sony A7R IV has proportions of 129mm x 96mm x 78mm (5.1" x 3.8" x 3.1") having a weight of 665 grams (1.47 lbs).

Compare the Panasonic G3 and Sony A7R IV in our brand new Camera & Lens Size Comparison Tool.

Always remember, the weight of an ILC will change based on the lens you are utilizing during that time. The following is a front view dimension comparison of the G3 vs the A7R IV.

Taking into account size and weight, the portability grade of the G3 and A7R IV is 83 and 62 respectively.

In many cases, it's hard to visualise the contrast between sensor sizes purely by checking specs. The image underneath should offer you a better sense of the sensor sizes in the G3 and A7R IV.

All in all, the 2 cameras feature different megapixels and different sensor sizes. The G3 due to its tinier sensor will make shooting shallower DOF tougher and the Sony A7R IV will resolve more detail utilizing its extra 45 Megapixels. Greater resolution can also allow you to crop pics way more aggressively. The more aged G3 is going to be behind with regard to sensor innovation.