Olympus E-P3 vs Sony W310

In this article, we will be matching up the Olympus E-P3 and Sony W310, former is a Entry-Level Mirrorless while the latter is a Ultracompact by rivals Olympus and Sony. The resolution of the E-P3 (12MP) and the W310 (12MP) is relatively comparable but the E-P3 (Four Thirds) and W310 (1/2.3") use totally different sensor dimensions.

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The E-P3 was announced 20 months after the W310 which makes the cameras a generation away from one another. Both of the cameras offer different body type with the Olympus E-P3 being a Rangefinder-style mirrorless camera and the Sony W310 being a Ultracompact camera.

Before getting in to a detailed comparison, below is a concise summary of how the E-P3 scores versus the W310 with respect to portability, imaging, features and an overall mark.

Here is a preview of the gallery photos for Olympus PEN E-P3 & Sony Cyber-shot DSC-W310. The whole galleries are provided at Olympus E-P3 Gallery & Sony W310 Gallery.

In case you're aiming to travel with your camera often, you'll need to think about its weight and proportions. The Olympus E-P3 comes with outside measurements of 122mm x 69mm x 34mm (4.8" x 2.7" x 1.3") having a weight of 369 grams (0.81 lbs) and the Sony W310 has measurements of 95mm x 55mm x 19mm (3.7" x 2.2" x 0.7") and a weight of 137 grams (0.30 lbs).

Look at the Olympus E-P3 and Sony W310 in our brand new Camera plus Lens Size Comparison Tool.

Don't forget, the weight of an ILC will change dependant on the lens you have attached at that time. Underneath is the front view size comparison of the E-P3 versus the W310.

Factoring in dimensions and weight, the portability score of the E-P3 and W310 is 86 and 96 respectively.

Typically, it's hard to visualise the contrast in sensor dimensions simply by seeing specs. The picture here will offer you a far better sense of the sensor sizing in the E-P3 and W310.

All in all, both of those cameras offer the same exact megapixel count albeit not the same sensor dimensions. The E-P3 has got the bigger sensor which will make getting shallow depth of field easier. The more recent E-P3 will have a benefit in sensor technology.