Unmatched topend DX11 graphics performance.
DualBIOS switch enables performance boost.
Drives fivedisplay portrait mode Eyefinity.
Cayman GPUs enable stereoscopic 3D functionality.
Fan exhausts most heated air outside of case.
Multiview CODEC enables.
Extremely expensive enthusiast product.
Heated exhaust is vented back into case.
Audible cooling fan at idle.
Noisy under load.
AMD HD3D products are hard to find.
By BeHardware on June 08, 2011
Sapphire delivers its card with a CD for drivers, a manual, a DVI to VGA adaptor, a mini-DP to DisplayPort adaptor, a mini-DP to HDMI...-
By itreviews.com on March 28, 2011
The good news for AMD is that once again they can claim bragging rights on the fastest single graphics card. The bad news is that's very expensive, power hungry and, if pushed, very loud....-
By HEXUS.net on March 24, 2011
the Radeon HD 6990 4GB needs to be paired with multiple screens to show its real worth. Do so and you're rewarded with an excellent gaming experience....80
By Fudzilla on March 24, 2011
AMD has every reason to be happy today - the company launched its Radeon HD 6990 and it earned the title of the world’s fastest card. The card uses two Cayman XT GPUs and will churn out some seriously impressive performance. Naturally, two chips...-
By TechEye on March 23, 2011
8/10. The Radeon HD6990 allows AMD to regain the king of the hill for single card performance, for the moment at least, and if you use the factory overclocking option it's even faster, noisier and more power hungry than it is straight out of the box...80
By Motherboards.org on March 19, 2011
Every once in a blue moon we see the powers that be in the video card world knock out a true contender for the video card king, today that emerging power is AMD with the release of their all new Dual-GPU VGA card, hence dubbed the HD 6990....-
By Benchmark Reviews on March 16, 2011
IMPORTANT: Although the rating and final score mentioned in this conclusion are made to be as objective as possible, please be advised that every author perceives these factors differently at various points in time. While we each do our best to...-
By Overclockers Club on March 13, 2011
Is the HD 6990 the master of its domain? Why yes...yes it is. Much like when the HD 5970 was launched, the HD 6990 just cleans up and delivers FPS numbers that can't be matched by any single video card currently out today. In that respect it is a...-
By HardwareHeaven on March 08, 2011
As the Sapphire Radeon 6990 is near identical to the reference design which we reviewed earlier today here, before we discuss the specifics of Sapphires model and CrossFire, this is what we had to say about the AMD version..."The 6990... ...feels like...92
By freeocen.de on November 10, 2011
Die Sapphire HD 6990 hat wirklich Leistung satt, was diese Karte im Vantage auf den Bildschirm zaubert ist eine wahre Pracht! Zurecht ist diese Karte die Nummer 1.Aber zu welchem Preis erkauft man sie sich? Als erstes sehen wir den Anschaffungspreis...-