Fewer watts, more power
Intel has introduced two low-voltage 45nm processors for servers and workstations that are designed to run at 50 watts, or just 12,5 watts per core, with frequencies as high as 2,5GHz.
Aiming to benefit companies with power-constrained, high-compute density environments, the Quad-Core Intel Xeon L5400 processors are said to be as much as 25% faster and to have a 50% larger cache size than Intel’s previous-generation, low-voltage Quad-Core Intel Xeon processors, while at the same time maintaining the 50-watt thermal envelope.
The quad-core L5420 and L5410 processors run at 2,5GHz and 2,33GHz respectively, and feature 12MB of on-die cache and dedicated 1333MHz front side buses (FSB), the company adds.
"Using Intel’s hafnium-infused high-k metal gate transistors has allowed our quad-core 45nm low-voltage server chips to this power-efficient performance," says Kirk Skaugen, vice-president and GM of Intel’s Server Platforms Group. "These chips deliver the speed needed while using meagre amounts of energy."
A number of systems vendors are supporting the L5400 series and L5210, including Asus, Dell, Fujitsu, Fujitsu-Siemens, Gigabyte, HP, Hitachi, IBM, Microstar, NEC, Quanta, Rackable, Supermicro, Tyan and Verari.
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