With card availability still two weeks out, this means we’ve been unable to perform any kind of meaningful power or thermal testing on a genuine HD 7850 2GB (our sample returned identical results as the stock HD 7870 2GB). Our understanding is that stock cards will be a rarity, with almost every board partner using its own custom PCB and cooling layout. Instead we received an HD 7850 2GB GPU fitted into a stock HD 7870 2GB PCB, albeit with just a single 6-pin PCI-E power connector. ![]() However, we’re in something of an odd situation for this review, as AMD hasn’t actually furnished us with a stock review sample. That means support for up to six-display Eyefinity from a single card, PCI-E 3.0, two-card CrossFire and the excellent ZeroCore Power Technology. Early expectations for pricing has the price of the HD 7890 around 359 dollars. ![]() Just as the HD 7870 2GB offered almost double the resources of the HD 7770 1GB, the HD 7850 2GB offers double the resources of the HD 7750 2GB twice the stream processors, twice the memory, twice the front-end and twice the ROP count.Īnd just as with the HD 7870 2GB, the HD 7850 2GB also benefits from all the AMD gubbins we’re coming to expect from 7-series GPUs. It is expected to feature 24 Graphics CoreNext Compute Units, 1536 stream processors, 96 TMUs, 32 ROPs, and have a 1.5 GB memory with memory interface of 384-bit. Click to enlarge - Pitcairn Pro offers four fewer CUs and a lower core frequency, but is otherwise the same as the HD 7870 2GB's Pitcairn XT
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