Samsung NX20 vs Sony A55

In this article, we will be evaluating the Samsung NX20 and Sony A55, one is a Advanced Mirrorless and the latter is a Entry-Level DSLR by rivals Samsung and Sony. There exists a big gap among the sensor resolutions of the NX20 (20MP) and A55 (16MP) but they possess the same exact sensor sizing (APS-C).

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The NX20 was brought out 21 months after the A55 which makes the cameras a generation away from one another. Both of the cameras offer different body type with the Samsung NX20 being a SLR-style mirrorless camera and the Sony A55 being a Compact SLR camera.

Before getting in to a thorough comparison, below is a simple overview of how the NX20 grades versus the A55 in the way of portability, imaging, features and an overall mark.

This is a preview of the gallery photos for Samsung NX20 and Sony SLT-A55. The entire galleries are available at Samsung NX20 Gallery and Sony A55 Gallery.

In case you're going to travel with your camera frequently, you will want to factor in its weight and measurements. The Samsung NX20 has physical measurements of 122mm x 90mm x 40mm (4.8" x 3.5" x 1.6") having a weight of 341 grams (0.75 lbs) while the Sony A55 has proportions of 124mm x 92mm x 85mm (4.9" x 3.6" x 3.3") accompanied by a weight of 500 grams (1.10 lbs).

Analyze the Samsung NX20 and Sony A55 in the latest Camera with Lens Size Comparison Tool.

Don't forget, the weight of an Interchangeable Lens Camera will vary dependant on the lens you choose at the time. Following is the front view physical size comparison of the NX20 against the A55.

Looking at dimensions and weight, the portability score of the NX20 and A55 is 83 and 67 respectively.

Typically, it is tough to visualise the difference in sensor dimensions merely by viewing specifications. The picture below will give you a clearer sense of the sensor measurements in the NX20 and A55.

To sum up, each of these cameras enjoy the same exact sensor sizing albeit not the same resolution. You should count on the Samsung NX20 to render extra detail having its extra 4MP. Higher resolution can also enable you to crop shots far more aggressively. The fresher NX20 will have an edge in sensor innovation.