Olympus E-620 vs Sony TX20

Below is a comprehensive assessment of the Olympus E-620 and Sony TX20, former being a Entry-Level DSLR while the latter is a Ultracompact by rivals Olympus and Sony. There exists a large gap among the sensor resolutions of the E-620 (12MP) and TX20 (16MP) and the E-620 (Four Thirds) and TX20 (1/2.3") have different sensor dimensions.

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The E-620 was brought out 3 years before the TX20 and that is a fairly serious difference as far as camera technology is concerned. Both the cameras have different body design with the Olympus E-620 being a Compact SLR camera and the Sony TX20 being a Ultracompact camera.

Before getting straight to a comprehensive comparison, here is a brief summary of how the E-620 matches up against the TX20 with regard to portability, imaging, features and an overall grade.

Following is a preview of the gallery photos for Olympus E-620 & Sony Cyber-shot DSC-TX20. The entire galleries are provided at Olympus E-620 Gallery & Sony TX20 Gallery.

If you're aiming to lug around your camera regularly, you will need to factor in its weight and dimensions. The Olympus E-620 offers physical measurements of 130mm x 94mm x 60mm (5.1" x 3.7" x 2.4") along with a weight of 500 grams (1.10 lbs) while the Sony TX20 has dimensions of 96mm x 56mm x 18mm (3.8" x 2.2" x 0.7") and a weight of 133 grams (0.29 lbs).

Take a look at the Olympus E-620 and Sony TX20 in our completely new Camera plus Lens Size Comparison Tool.

Do not forget, the weight of an ILC will change dependant on the lens you have attached at that moment. Underneath is a front view size comparison of the E-620 and the TX20.

Taking into consideration dimensions and weight, the portability rating of the E-620 and TX20 is 71 and 96 respectively.

Typically, it's hard to imagine the contrast in sensor measurements just by researching a spec sheet. The graphic below will give you a clearer sense of the sensor measurements in the E-620 and TX20.

As you can see, both the cameras have different resolutions and different sensor measurements. The E-620 due to its bigger sensor is going to make achieving shallow depth of field less difficult and the Sony TX20 will provide you with greater detail having its extra 4 Megapixels. Higher resolution will also enable you to crop pictures a bit more aggressively. The older E-620 will be disadvantaged with regard to sensor technology.