Shortly after the introduction of the GTX 660 Ti would be Nvidia a GTX 660 release, which is for system builders. The regular GTX 660 would be less cuda cores have a lower clock speed.
There were already rumors about the two GTX 660 variants and with the introduction of an OEM version looks like the rumor was true. The standard GTX 660 without the Ti designation, features 1152 Cuda cores, 192 less than the 1344 Cuda cores where the GTX 660 Ti boasts. Because there is a block of Cuda cores missing, the GTX 660 also with less texture units than the GTX 660 Ti. The clock speed would be standard 823MHz amounts with a boost clock of 888MHz. The memory bus just like the GTX 660 Ti 192bits wide. The video card can proceed with the 1.5 GB or 3GB of memory to be equipped.
ModelCoresGpu-klokMem-klokGeheugenbus
660
1152
823MHz
1450MHz
192bit
660 Ti
1344
915MHz
1502MHz
192bit
670
1344
915MHz
1502MHz
256bit
680
1536
1006MHz
1502MHz
256bit
For now, only the manufacturers such as Dell and HP, the GTX 660 to offer, but the chance is present that the GTX 660 later on also for consumers to purchase. The GTX 660 will probably ventured to the HD 7850 and HD 7870. AMD responded yesterday on the arrival of the GTX 660 Ti by lowering prices of its HD 7000 cards.