Pentax P70 vs Sony A330

Below, we will be evaluating the Pentax P70 vs Sony A330, one is a Ultracompact and the latter is a Entry-Level DSLR by brands Pentax and Sony. The resolution of the P70 (12MP) and the A330 (10MP) is pretty well matched but the P70 (1/2.3") and A330 (APS-C) use totally different sensor size.

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The P70 was introduced 2 months earlier than the A330 so they are of a similar generation. Each of the cameras come with different body type with the Pentax P70 being a Ultracompact camera and the Sony A330 being a Compact SLR camera.

Before going in to a comprehensive comparison, below is a brief view of how the P70 scores against the A330 when it comes to portability, imaging, features and an overall mark.

The following is a preview of the gallery images for Pentax Optio P70 and Sony Alpha DSLR-A330. The whole galleries are viewable at Pentax P70 Gallery and Sony A330 Gallery.

If you are going to travel with your camera often, you will want to factor in its weight and volume. The Pentax P70 features outside measurements of 97mm x 54mm x 22mm (3.8" x 2.1" x 0.9") accompanied by a weight of 155 grams (0.34 lbs) while the Sony A330 has sizing of 128mm x 97mm x 71mm (5.0" x 3.8" x 2.8") accompanied by a weight of 529 grams (1.17 lbs).

Check out the Pentax P70 vs Sony A330 in the new Camera with Lens Size Comparison Tool.

Keep in mind, the weight of an Interchangeable Lens Camera will differ depending on the lens you choose at that moment. Underneath is the front view measurements comparison of the P70 against the A330.

Factoring in size and weight, the portability rating of the P70 and A330 is 95 and 67 respectively.

Oftentimes, its difficult to envision the difference between sensor dimensions only by reading through specs. The pic below should give you a more clear sense of the sensor measurements in the P70 and A330.

As you can plainly see, the two cameras have got different resolutions and different sensor dimensions. The P70 using its tinier sensor will make shooting shallow depth of field trickier and the Pentax P70 will resolve more detail using its extra 2MP. Higher resolution will also make it easier to crop photographs much more aggressively.