Looking to leapfrog its rivals, computer maker Sun Microsystems Inc. announced a server chip that it claims will deliver more performance while requiring less electricity than competing microprocessors.

The UltraSparc T1 processor, code-named Niagara, has eight computing engines on a single chip, with each core capable of handling up to four tasks at once, Sun said Monday. It expects to ship systems based on the processor by the end of the year.
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