The AMD Opteron 6284 SE was a server/workstation processor with 16 cores, launched in May 2012, at an MSRP of $1265. It is part of the Opteron lineup, using the Interlagos architecture with Socket G34. To further increase overall system performance, up to four Opteron 6284 SE CPUs can link up in a multi-processor (SMP) configuration. Opteron 6284 SE has 8 MB of L3 cache per die and operates at 2.7 GHz by default, but can boost up to 3.4 GHz, depending on the workload. AMD is building the Opteron 6284 SE on a 32 nm production process using 2,400 million transistors. The silicon die of the chip is not fabricated at AMD, but at the foundry of GlobalFoundries. The multiplier is locked on Opteron 6284 SE, which limits its overclocking capabilities. With a TDP of 140 W, the Opteron 6284 SE consumes a lot of power, so good cooling is definitely needed. AMD's processor supports DDR3 memory with a quad-channel interface. The highest officially supported memory speed is 1600 MT/s, but with overclocking (and the right memory modules) you can go even higher. ECC memory is supported, too, which is an important capability for mission-critical systems, to avoid data corruption. For communication with other components in the system, Opteron 6284 SE uses a PCI-Express Gen 2 connection. This processor lacks integrated graphics, you might need a graphics card. Hardware virtualization is available on the Opteron 6284 SE, which greatly improves virtual machine performance. Programs using Advanced Vector Extensions (AVX) will run on this processor, boosting performance for calculation-heavy applications.
16KB L1 data cache per core.
64KB L1 instruction cache shared per two cores (per module).
2MB L2 cache shared per two cores (per module).
8MB L3 cache shared per eight cores (per die).
14MB total L3 cache available when using HT Assist.
AMD's "ACP" or Average Core Power ratings exist to, "reflect the CPU power consumption running typical data center workloads" according to AMD. The number is a geometric mean of power consumed running TPC-C, SPECcpu2006, SPECjbb2005, and Stream. (Excerpt from AnandTech - "Testing the latest x86 rack servers for low power server CPUs" - Johan De Gelas, July 22, 2009)