Pentax RS1500 vs Sony RX1

Below, we will be looking at the Pentax RS1500 versus Sony RX1, one being a Small Sensor Compact and the latter is a Large Sensor Compact by companies Pentax and Sony. There exists a significant gap between the image resolutions of the RS1500 (14MP) and RX1 (24MP) and the RS1500 (1/2.3") and RX1 (Full frame) possess different sensor dimensions.

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The RS1500 was manufactured 23 months before the RX1 which makes the cameras a generation apart from one another. The two cameras come with different body type with the Pentax RS1500 being a Compact camera and the Sony RX1 being a Large Sensor Compact camera.

Before we go in to a step-by-step comparison, below is a quick highlight of how the RS1500 matches up versus the RX1 with respect to portability, imaging, features and an overall rating.

The following is a preview of the gallery photos for Pentax Optio RS1500 and Sony Cyber-shot DSC-RX1. The entire galleries are provided at Pentax RS1500 Gallery and Sony RX1 Gallery.

For anybody who is planning to carry your camera often, you will want to take into account its weight and volume. The Pentax RS1500 has got exterior measurements of 114mm x 58mm x 28mm (4.5" x 2.3" x 1.1") along with a weight of 157 grams (0.35 lbs) while the Sony RX1 has sizing of 113mm x 65mm x 70mm (4.4" x 2.6" x 2.8") having a weight of 482 grams (1.06 lbs).

Contrast the Pentax RS1500 versus Sony RX1 in the new Camera with Lens Size Comparison Tool.

Remember, the weight of an Interchangeable Lens Camera will differ based on the lens you use during that time. Here is the front view physical size comparison of the RS1500 compared to the RX1.

Using dimensions and weight, the portability grade of the RS1500 and RX1 is 93 and 79 respectively.

Quite often, its hard to picture the difference between sensor sizing simply by checking specs. The visual below will give you a more clear sense of the sensor sizing in the RS1500 and RX1.

All in all, both the cameras posses different megapixels and different sensor sizing. The RS1500 due to its tinier sensor is going to make shooting shallow DOF harder and the Sony RX1 will give you extra detail due to its extra 10 Megapixels. Higher resolution will make it easier to crop photographs somewhat more aggressively. The older RS1500 is going to be behind with regard to sensor technology.