Pentax RZ18 vs Sony H20

On this page, we are analyzing the Pentax RZ18 versus Sony H20, one is a Small Sensor Superzoom and the other is a Small Sensor Compact by rivals Pentax and Sony. There is a sizeable difference among the resolutions of the RZ18 (16MP) and H20 (10MP) but both cameras offer the same sensor sizes (1/2.3").

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The RZ18 was manufactured 2 years after the H20 which is a fairly large gap as far as camera tech is concerned. Each of the cameras have the same body design (Compact).

Before going into a detailed comparison, here is a short summary of how the RZ18 grades against the H20 when it comes to portability, imaging, features and an overall score.

This is a sample of the gallery pictures for Pentax Optio RZ18 and Sony Cyber-shot DSC-H20. The entire galleries are viewable at Pentax RZ18 Gallery and Sony H20 Gallery.

If you are going to carry around your camera often, you will need to factor in its weight and measurements. The Pentax RZ18 comes with outer measurements of 97mm x 61mm x 33mm (3.8" x 2.4" x 1.3") with a weight of 178 grams (0.39 lbs) whilst the Sony H20 has proportions of 107mm x 69mm x 47mm (4.2" x 2.7" x 1.9") along with a weight of 250 grams (0.55 lbs).

Take a look at the Pentax RZ18 versus Sony H20 in the all new Camera and Lens Size Comparison Tool.

Keep in mind, the weight of an Interchangeable Lens Camera will change depending on the lens you have attached at that moment. Underneath is a front view measurement comparison of the RZ18 and the H20.

Factoring in size and weight, the portability grade of the RZ18 and H20 is 92 and 87 respectively.

Often, it is very tough to visualize the gap in sensor sizes simply by researching specs. The pic below might offer you a much better sense of the sensor measurements in the RZ18 and H20.

As you can plainly see, the 2 cameras provide the same sensor dimensions but different megapixels. You should anticipate the Pentax RZ18 to result in greater detail due to its extra 6MP. Greater resolution can also make it easier to crop pics more aggressively. The fresher RZ18 provides an edge when it comes to sensor tech.