Usually when we run down specifications for smartphones, we write something along the lines of “1.2Ghz dual-core Snapdragon processor.” There was a time when words such as “Snapdragon” and “dual-core” were serious terms to throw around. But much like a lot of technology dealing with smartphones, these terms are widely used for marketing purposes. Snapdragon is what Qualcomm calls its set of chipsets, but they can be broken down even further into specific models.
We usually don’t hear about the MSM8x55 Snapdragon chipset because that model number is way too confusing for normal people to digest. That’s why Qualcomm is going to simplify the entire process.
Qualcomm Snapdragon chipsets will now be placed within the S1, S2, S3, or S4 categories. S1 contains the least powerful specs (up to 1Ghz) and S4 is reserved for the next generation of Snapdragon chips (up to 2.5Ghz) that we haven’t even seen yet. The S4 chips are expected to arrive at the end of 2011.
Most recently released phones will fall under the S2 chipset due to processor speeds of up to 1.4Ghz. As time goes on, phones will remain in their respective categories.