First up is the release of the HD 7770 and HD 7750 (codenamed Cape Verde), which is set for February 15 just in time for a belated Valentine's Day gift. The cards will have 1 GB of GDDR5 memory, and are expected to have a base core frequency of 900 MHz with, 896 and 832 stream processors, and 56 and 52 texture units. The HD 7770 looks to be priced around $149, with the HD 7750 coming in at a cheaper price.
In March will be the release of the HD 7870 and HD 7850 (codename Pitcairn). The cards will have 2 GB of GDDR5 memory with similar core and memory frequencies comparable to 77x0 series. The difference with the 78x0 series will be the stream processor & texture units. The HD 7870 is expected to have 1408 stream processors and 88 texture units. The HD 7850 is expected to have 1280 stream processors and 80 texture units. The HD 7870 looks to be priced $299 and the HD7850 will be around $249.
The last but not least is the HD 7990 (codename New Zealand), which still has no official release date listed. As discussed in late December, the HD 7990 is expected to be released late March or early April, around the time of Ivy Bridge's release. The HD 7990 is expected utilize two HD 7970s and have 6GB of total graphics memory (3 GB per GPU).