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Review: AMD Radeon HD 7750 and HD 7770 + XFX Black Super OC Edition
by Damien Triolet
Published on March 29, 2012

Following the release of the Radeon HD 7900s, AMD has attacked the mid-range segment with Cape Verde, the smallest of the three new generation GPUs. Two graphics cards designed around this GPU have been released: the Radeon HD 7770 and 7750. We have looked in detail at how the reference models and the XFX Radeon HD 7770 Black Super OC Double Dissipation Edition do.

Successors to the HD 6700s, not to the HD 5700s!
AMD planned three GPUs for its new family of graphics cards: Tahiti, Pitcairn and Cape Verde. They have been designed respectively for the high-end, the performance segment and the mid-range. AMD has not designed any new GPUs for the entry level, considering this segment to be sufficiently well provided for with its APUs and renamed Radeon HD 6600s/6500s/6400s for use in computers and other devices and no doubt for retail sale too soon.

Cape Verde and the Radeon HD 7700s were designed to succeed the Radeon HD 6700s, which are in reality renamed Radeon HD 5700s. The HD 5700s were introduced in the performance segment, which is the gamer segment that garners the highest sales, but have since been replaced by the Radeon HD 6800s. Remember that at launch of the 6800s, AMD modified its naming structure, moving them up by a hundred. The performance segment thus became the 800 series, the high-end the 900 series and the mid-range the 700 series.

It’s in this sense that Cape Verde is more the successor to the mid-range Radeon HD 6700s than the Radeon HD 5700s, which, while identical, represented the next segment up at launch. In other words we shouldn’t expect Cape Verde to have the same impact as Juniper had when it was introduced with the Radeon HD 5700s but rather to represent a modest development in the mid-range AMD offer.

Before moving on, note that AMD has decided to highlight the fact that Cape Verde is the first GPU to clock at 1 GHz on series cards with the launch of the GHz edition label that will no doubt be used in the marketing communication on graphics cards clocked at this frequency or more.

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Cap Verde: GCN architecture and 28nm  

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