Ricoh GR Digital IV vs Sigma SD15

Let's look a bit more in depth at the Ricoh GR Digital IV versus Sigma SD15, former being a Small Sensor Compact while the latter is a Advanced DSLR by companies Ricoh and Sigma. There exists a substantial gap among the resolutions of the GR Digital IV (10MP) and SD15 (5MP) and the GR Digital IV (1/1.7") and SD15 (APS-C) provide totally different sensor measurements.

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The GR Digital IV was manufactured 20 months later than the SD15 which makes them a generation apart from one another. Both the cameras have different body design with the Ricoh GR Digital IV being a Compact camera and the Sigma SD15 being a Mid-size SLR camera.

Before delving into a thorough comparison, here is a brief introduction of how the GR Digital IV matches up versus the SD15 in the way of portability, imaging, features and an overall rating.

Below is a preview of the gallery images for Ricoh GR Digital IV & Sigma SD15. The entire galleries are provided at Ricoh GR Digital IV Gallery & Sigma SD15 Gallery.

When you are going to carry your camera, you're going to have to consider its weight and measurements. The Ricoh GR Digital IV enjoys external measurements of 109mm x 59mm x 33mm (4.3" x 2.3" x 1.3") accompanied by a weight of 190 grams (0.42 lbs) and the Sigma SD15 has proportions of 144mm x 107mm x 81mm (5.7" x 4.2" x 3.2") along with a weight of 750 grams (1.65 lbs).

Check out the Ricoh GR Digital IV versus Sigma SD15 in our completely new Camera & Lens Size Comparison Tool.

Keep in mind, the weight of an ILC will change based on the lens you choose at the time. The following is a front view scale comparison of the GR Digital IV against the SD15.

Using dimensions and weight, the portability rating of the GR Digital IV and SD15 is 92 and 59 respectively.

Typically, its tough to envision the difference in sensor sizing purely by seeing specs. The photograph here will help give you a clearer sense of the sensor measurements in the GR Digital IV and SD15.

As you can plainly see, both of those cameras provide different megapixels and different sensor sizing. The GR Digital IV featuring a smaller sensor will make achieving shallower DOF more challenging and the Ricoh GR Digital IV will provide extra detail due to its extra 5 Megapixels. Higher resolution will also let you crop pictures more aggressively. The younger GR Digital IV is going to have a benefit when it comes to sensor tech.