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GDDR5 samples ship out

Larrabee edges closer
Fri Nov 02 2007, 12:45

QIMONDA HAS BEGUN sampling GDDR5 to selected partners, the firm has said.

Graphics cards next year will almost certainly hit the market with the latest memory technology, which is set to be faster and lower power - as is customary with each new memory revision.

New to GDDR5 is the concept of cyclic redundancy checks, long used in comms and storage technology. Since there is so much data traveling through the extra bandwidth GDDR5 brings, checking it for consistency appears to be a key requirement.

Qimonda reckons that there will be a 3x improvement in performance over current GDDR3 memory, and bandwidth will be up to 20GB/sec. Crucially, the spec supports simultaneous writes to multiple modules, opening the possibility of parallel writes for extra speed.

GPGPU freaks will be spooging over this one - as, apparently, will Intel engineers. Rumour has it that the first chaps to get their hands on samples with be the Chipzilla bods working on Larrabee. µ


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