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an someone explain why this card is "better" than a 7870? It seems to have smaller memory clock and effective memory bandwidth according to that one chart. Core clock is lower. The only thing I see that is different is larger die size (so higher power consumption?) and larger bus width 384 vs 256. Considering the 7870 is down to $200 on some models and 660gtx is right around there, how can they say performance for same price unless it launches at $200? But it sounds like more like they intend a $249 part. Confusing to me but still putting off a 7870 until this launches. I wonder if all the free games will disappear when this hits?
7870 has - 1280 stream processors The 7890 will have 1536
7870 has- 80 Texture units The 7890 will have 96
7870 has 256bit bus width mem The 7890 has 384
the 7890 should be a good bit faster than the 7870. I believe the idea moving forward is the 7890 replaces the 7950 non boost edition cards.
reviews will be on out the 27th.