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Sapphire has created a very nice card based on the Radeon HD 7790. The higher clock frequencies (1075 MHz GPU, 1600 MHz memory) make the Sapphire Radeon HD 7790 Dual-X OC faster than a standard 7790. The cooler is both efficient and quiet.
AMD Radeon HD 7790 im Test Die Radeon HD 7790 ist AMDs erste Neuvorstellung des Jahres. Zwischen Radeon HD 7770 und 7850 platziert, soll sie Nvidias GeForce GTX 650 Ti Konkurrenz machen.
Late March AMD introduced the Radeon HD 7790, and a week later Nvidia answered with the GeForce GTX 650 Ti Boost. We compared to the two cards, but it wasn't really a fair comparison since the first Radeon HD 7790 cards came with only 1 GB of video memory, while the GeForce GTX 650 Ti Boost has 2 GB. That influenced both price and performance.
Graphic cards
The 5770 is most successful Direct 11 card on the market to date, has the 7770 got what it takes to become the new top card?
The new Radeon HD 7770 GHz Edition, which is being released today, is a mainstream video card based on the latest graphics architecture from AMD, dubbed "Graphics Core Next" or simply "GCN," which supports the new PCI Express 3.0 connection and the latest DirectX version (11.1).
Graphic cards
With the HD 7770 giving good performance on its own, we pair it up with another to see if it can take on the GTX 580 among other high-end cards.
Last month AMD introduced the Radeon HD 7000 series (Southern Islands) of graphics cards. These new cards are based on the 28nm manufacturing process and use a new core architecture called Graphics Core Next (GCN). Many assumed that AMD would be doing a top-to-bottom launch for the AMD Radeon HD 7000 product line, but that is not the case. AMD decided skip over Pitcairn, the Radeon HD 7800 series, and introduce Cape Verde along with the Radeon HD 7700 series.
First we checked out the XFX offering which was called the HD 7770 Black Edition S Super Overclocked, then we looked at the Sapphire card and discovered it carried with it a similar strong overclock and we tested the new model in CrossFire.
From there we moved away from the HD 7770 and looked at the HIS HD 7750 1GB to see how the new HD 7700 series was rounded out. If that wasn't enough of the new HD 7700 series we also checked out the dual fan MSI HD 7770 and proceeded to see how high we could overclock the model. After all that was done and I found myself looking at the reference HD 7770 we have here today from AMD. I realized that we actually haven't looked at reference clock performance of the new model.
The Radeon HD 7750 is an interesting offering from AMD, aimed more at budget conscious people, succeeding to deliver about the same performance as the Radeon HD 5770, this time without the need of extra power. The cooling solution from AMD is single slot, features vapor chamber technology; the solutions implemented by the partners have larger coolers, are more silent, but in most cases these are also dual-slot.
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