Photos: Dell serves first dual-core Xeons Summary: Dell introduces its first batch of dual-core Xeon-powered servers. By Bill Detwiler | July 19, 2006 -- 11:36 GMT (04:36 PDT) Follow @billdetwiler Previous | Next Image 1 of 5 Dell's PowerEdge 1855 blade server boasts a dual-core 2.8GHz Intel Xeon, which in many tests outperforms the single-core equivalent running at 3.6GHz. This is one of the first batches of servers to challenge AMD's dual-core Opteron chip. Topics: Dell, Hardware, Processors, Servers Kick off your day with ZDNet's daily email newsletter. It's the freshest tech news and opinion, served hot. Get it.