Panasonic G3 vs Sony A450

Here, we are evaluating the Panasonic G3 and Sony A450, former being a Entry-Level Mirrorless while the other is a Entry-Level DSLR by rivals Panasonic and Sony. The resolution of the G3 (16MP) and the A450 (14MP) is fairly similar but the G3 (Four Thirds) and A450 (APS-C) offer different sensor dimensions.

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The G3 was unveiled 19 months later than the A450 making them a generation apart from one another. The two cameras feature different body design with the Panasonic G3 being a SLR-style mirrorless camera and the Sony A450 being a Compact SLR camera.

Before going straight to a in depth comparison, here is a short synopsis of how the G3 scores vs the A450 for portability, imaging, features and an overall grade.

The following is a sample of the gallery pictures for Panasonic Lumix DMC-G3 & Sony Alpha DSLR-A450. The full galleries are available at Panasonic G3 Gallery & Sony A450 Gallery.

For anyone who is looking to lug around your camera regularly, you'll need to take into account its weight and measurements. The Panasonic G3 has got outer measurements of 115mm x 84mm x 47mm (4.5" x 3.3" x 1.9") and a weight of 336 grams (0.74 lbs) and the Sony A450 has proportions of 137mm x 104mm x 81mm (5.4" x 4.1" x 3.2") having a weight of 560 grams (1.23 lbs).

See the Panasonic G3 and Sony A450 in our brand new Camera plus Lens Size Comparison Tool.

Do not forget, the weight of an ILC will differ based on the lens you have chosen at the time. Here is a front view physical size comparison of the G3 and the A450.

Looking at dimensions and weight, the portability score of the G3 and A450 is 83 and 65 respectively.

Normally, it can be hard to picture the contrast between sensor measurements only by reading a spec sheet. The graphic here will help give you a stronger sense of the sensor measurements in the G3 and A450.

As you can see, each of these cameras feature different resolutions and different sensor measurements. The G3 using its tinier sensor is going to make achieving shallow depth of field more difficult and the Panasonic G3 will offer you more detail having an extra 2 Megapixels. Greater resolution will let you crop photos way more aggressively. The newer G3 provides a benefit in sensor tech.