Qualcomm launched a pair of 8-core variants of the Snapdragon X Plus Wednesday at the IFA show in Berlin, expanding the reach of Windows on Arm products into what Qualcomm says will be the $700 to $900 range. The Snapdragon X Plus 8-core chips, as they’re known, are also referred to by their two cryptic product number, the X1P-46-100 and X1P-42-100. They sit at the bottom of Qualcomm’s hierarchy of Snapdragon X Elite processors, just under the 10-core Snapdragon X Plus chips that launched earlier this year, with a dramatically smaller amount of cache memory. Qualcomm chief executive Cristiano …