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It unusual for us to miss an NDA, especially when we've got the sample on hand. The simple fact is that AMD chose to Grinch out on us and ignore the holiday spirit, a time when we tend to be able to relax for a few weeks before the CES run of products start to show up. With not only a 10 day holiday planned, but a decision to move from Perth, Australia to Taiwan just three months ago all in the works, the HD 7970 NDA was just one that wasn't going to be met, even though, our sample was sitting safely in Taiwan waiting for my arrival.
With a couple of samples built up over the last few weeks, the HD 7970 was straight on top and today we'll be finally checking out what the new model is all about. Unfortunately it wasn't just a matter of testing the HD 7970 and we could get on our way, along with that we tested a couple of other cards with the most recent drivers to see just what's going on with this new single GPU card from AMD.
A number of years ago FSP started producing retail power supplies for desktop PCs and during 2011 released their 80 Plus Gold Certified range of PSUs. There are two ranges available in the Aurum range, standard and semi-modular and today we have the 650w version of the modular PSU on our test bench.
With Thunderbolt just around the corner, we ask: are external graphics due to bring laptop gaming back to life?
Im Oktober 2010 erblickte die 6000er Grafikgeneration von AMD das Licht der Welt. Während es anfangs hauptsächlich das Referenzlayout in den Händlerregalen zu kaufen gab, sind diese heute eher die Ausnahme. Die verschiedenen Grafikkartenhersteller versuchen sich durch unterschiedlichste Anpassungen voneinander abzusetzen. Da man mit Chip- und Speichertakt nur wenige Einflussmöglichkeiten auf das Produkt hat, begann man den Konkurrenzkampf auf ausgefallene Kühllösungen oder besondere Dreingaben auszubreiten. Einer der heutigen Probanden kommt aus der erstgenannten Kategorie und präsentiert die neue Double-Dissipation-Technologie von XFX. Mit den neuen Radeon-Modellen, ausgestattet mit zwei Lüftern, will XFX vieles besser machen, was man bei anderen Herstellern nur selten findet: gute Leistung bei angenehmer Lautstärke. Dafür setzt man auf die Kraft von drei Heatpipes mit einem Durchmesser von jeweils sieben Millimetern, um die im Kern entstehende Hitze an die Kühllamellen zu übertragen. Das Gesamtkonstrukt aus Kühler und den verwendeten Lüftern soll in Kombination mit einem besonderen Ausschnitt im Slotblech einen Temperaturunterschied von bis zu neun Grad Celsius gegenüber den Mitbewerberlösungen erbringen. Ausgestattet mit einer Speichermenge von einem Gigabyte kommt die 6870 von XFX in unser Testlabor, um auf Herz und Nieren geprüft zu werden. Da die technologischen Gegebenheiten sich nicht geändert haben, legen wir besonderen Wert auf die Leistung des Kühlsystems. Welche Leistung das Gespann aus Radeon 6870 gepaart mit "Double-D" genanntem Kühlsystem von XFX erreicht, erfahrt Ihr in diesem Bericht.
DirectX 11.1, 28-nm-Strukturen und PCI Express 3.0 - AMDs "Cape Verde" beherrscht all die schönen Dinge, welche bereits Tahiti (Radeon HD 7900) auszeichneten. Doch wie schlagen sich die Radeon HD 7770 und HD 7750 in der Praxis? Unser Test klärt Sie auf.
When I installed the Sapphire HD 7770 OC into my testbed and ran 3DMark 11, I found that there was only a few points difference between the score that Sapphire offered and what we saw out of the XFX HD 7770 Black Edition S Super Overclocked 1GB which we looked at the other day. Heading into GPU-Z I saw the reason the score was so close was because both cards where clocked extremely close to each other. We'll cover the clocks in the next page when we look at the specifications of the card.
Since it felt like a waste to just test the Sapphire card by itself when it's score would be near identical to the XFX model, I decided to pull the XFX card back out and throw it alongside our Sapphire one and see what CrossFire performance was like.
Already really impressed with what the new HD 7800 series can offer, it's time to throw a second HD 7870 into the mix and see what kind of performance this $700 CrossFire setup brings to that table. If previous HD 7000 series cards are anything to go by, though, we should get some great performance with impressive scaling.
If you haven't looked at our individual reviews of the new HD 7800 series cards I highly recommend you head on over and check out our thoughts on the new $249 HD 7850 and more expensive $349 HD 7870.
Today we have the most extreme 7970 we have received yet, the MSI Radeon 7970 Lightning. On paper MSI have taken this GPU to a whole new level with extra PCB's, voltage read points, power phases and top of the line components so we are going to do the same. Rather than bench the card at its impressive factory overclock we are taking it to the limit, its maximum stable overclock to see how it compares to the reference design as well as an overclocked, 3GB GTX 580.
Nvidias Geforce GTX 680 auf Basis der Kepler-Architektur im PC-Games-Hardware-Test: Kann sich die GK104-Karte gegen AMDs Radeon HD 7970 behaupten? PC Games Hardware prüft Leistung, Stromverbrauch, Geräuschkulisse, Overclocking-Potenzial und vieles mehr.
Last week we reviewed the excellent Sapphire HD7850 Overclock Edition and XFX have sent us their competing part – the XFX HD7850 Black Edition. This card features a even higher overclock, to 975mhz on the core with a custom two fan metal cooling solution. The big question, is this better than the Sapphire solution?
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