Qmonda GDDR3 vs GDDR4 vs GDDR5

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POSTER: computer news   ||   QMONDA GDDR3 VS GDDR4 VS GDDR5	DATE:2008-07-11
Qmonda company , in spring last year , expressed its relation to the development of graphic memory:  As change to GDDR-3 it was proposed to immediately present GDDR-5, since GDDR-4 memory did not justify the decrease in the energy consumption level . This position can be considered  as valid, GDDR4 memory was used only on radeon HD 3870 video cards , and even the two-chip Radeon HD 3870 X2 was limited to the use of  GDDR-3 memory.   GDDR-5 will improve this situation, now this memory is used in radeon HD 4870 cards and soon it will reach also the two-chip r700. Furthermore, NVIDIA company can pass to the use of GDDR-5  , in this case GDDR-4 will be simply ignored. Even now Qimonda mastered the release of  GDDR-5 microcircuits with  5.0 GHz DDR frequency, and the next generation memory will operate at 6.4 GHz DDR frequency. Qimonda Representatives made several interesting statements : First , Qimonda considers GDDR-5 as the promising standard, which will be used for not less than five years. High capacity GDDR-5 ensures higher productivity in comparison with GDDR-3 - increase reaches 40%, according to the estimations Of qimonda.  GDDR-5 Microcircuits can be produced with the use of  four-layer design, whereas GDDR-3 required six-layer design. Of course this reduces the prime cost  . In the energy consumption plan  GDDR-5 win over GDDR-3 by about 30%. To autumn Qimonda engineers will reduce the working GDDR-5  voltage from 1.2 to 1.0 v which also favorably will affect the energy efficiency . The density of  GDDR-5 microcircuits will  also allow to create video cards with large memory capacity. Qimonda actively increases the GDDR5 memory production volumes . . ........ Related Products :

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