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Mit der Radeon HD 6950 PCS++ bringt PowerColor eine spezielle Grafikkarte auf den Markt: Sie diese lässt sich offiziell zu einer inoffiziellen Radeon HD 6970 freischalten. Dazu muss wie beim Referenzdesign lediglich der BIOS-Schalter auf dem PCB umgelegt werden und prompt kommen einem die zusätzlichen SIMD-Einheiten zu Gute.
Sparkle bringt mit der Calibre GTX 560 Ti Super OC eine der am höchsten getakteten Grafikkarten auf den Markt. Doch welche Nachteile bringen die hohen Frequenzen mit sich? Unter anderem diese Frage werden wir in dem Kurztest beantworten. Und schafft es der 3D-Beschleuniger vielleicht, die GeForce GTX 570 anzugreifen?
So wie es ausschaut, ist im 11.4er Beta-Treiber für die Radeon HD 6990 die AMD Tesselations-Optimierung aktiv und erstmals auch mit Optimierungsprofilen hinterlegt. Damit wird dann der Tesselations-Benchmark Unigine Heaven entsprechend heruntergebremst - das Tesselationslevel wird auch im Extreme-Setting des Benchmarks durch die AMD Tesselations-Optimierung automatisch und ohne weiteren Anwendereingriff auf x4 herunterlimitiert, die Performance steigt dementsprechend an - in unseren Augen ein klarer Cheat zum Gewinnen von Benchmarks. Zudem widerspricht das ganze auch der früheren AMD-Aussage, man habe die AMD Tesselations-Optimierung nur zur Performanceverbesserung von LowCost- und Mainstream-Grafikkarten ersonnen, was auf die Radeon HD 6990 nun mit Sicherheit nicht zutrifft.
Over the last year or so one of the more popular models in the mainstream area has been the GeForce GTS 450, a card which many consumers saw as offering a good balance of features and performance for the price. As the NVIDIA product catalogue changed, seeing the release of the GTX 560, 570 and 580 this meant there was a reasonable gap between the GTS 450 and the 460/560 Ti and today we see the release of a product designed to improve on the GTS model while filling the space below the higher specification cards.
Designed around their flagship GeForce GTX 580 video card, they've combined two titanic graphics processors into a package roughly the same size, and still manage to produce the quietest dual-GPU video card ever made. With 512 CUDA cores each, two independent NVIDIA GF110 GPUs join to deliver 1024 total cores of graphical processing power. There are six 64-bit memory controllers that offer 384-bit combined bandwidth per GPU, and feed 3GB of combined GDDR5 video frame buffer. All of this is said to deliver comparable performance to the Radeon HD 6990, which is good for gamers, but it does so while using less power and emitting less noise. In this article, Benchmark Reviews tests the GeForce GTX 590 against the AMD Radeon HD 6990 and an entire market of top-end desktop graphics solutions.
The Accelero XTREME Plus is a huge VGA cooler with five heatpipes and three 92-mm fans. Let's check its performance.
If all those NDAs last month weren't already enough for everyone, we start the NDA run for April nice and early. With AMD having taken care of the high end segment with cards like the HD 6970 and HD 6990, while also taking care of that mid-range - high end segment with cards from the HD 6800 series, it was only a matter of time 'till we saw some more mid-range, cheaper cards hit the market.
If you, like us were impressed with what the MSI HD 6970 Lightning offered which we looked at just the other day here, yet you're happy to spend some more to jump on the fastest single GPU card on the market, then we might just have the card for you.
When we received this, I was quite surprised with what we received. We did not receive a massive video card with case-clearance issues or a card requiring more power than the Hubble Telescope. We received a simple card measuring 16 cm long with a 8 cm fan requiring no external power supply. My first thought was "This card, retailing at ~$79.00, will never be able to keep up with HD gaming and video", as the box boasts. Lets continue to see if my initial assumptions are correct.
Today we're going to review three graphics cards from MSI: a Radeon HD 6950, a Radeon HD 6870, and a GeForce GTX 560 Ti. All three come equipped with very efficient Twin Frozr coolers and should give you good overclocking potential.
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