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AMD Radeon HD 7990 6GB and HD 7970 GHz Edition Video Cards in CrossFireX

By: Shawn Baker | AMD Radeon GPU in Video Cards | Posted: Apr 29, 2013 6:28 am

Final Thoughts


Performance of the AMD Radeon HD 7990 + HD 7970 GHz Edition CrossFireX setup was better than I thought it would be. It's been a while since we looked at a three-way setup, and it seems evident that AMD have been working on improving the performance of this kind of setup. We do at times see no change, but most of the time that is related to a FPS wall being hit, more so than anything else.


The only time we don't see a change because of a non-FPS wall related area is in Nexuiz. We know from previous CrossFire testing, HD 7790's (and of course the HD 7990), that the game just can't make use of it. What tends to make the matter worse is that Nexuiz was a benchmark that AMD promoted, it could also hugely benefit from the gains an extra GPU or two can offer. Probably the worst thing is that NVIDIA SLI works great under it with the GTX TITAN SLI setup putting out some awesome numbers.


Overall, though, this is a truly awesome looking setup that's going to set you back around the $1,400 mark. What makes it a bit more appealing is if you're someone who has been sitting on a HD 7970 GHz Edition video card for a while now and are thinking that you wouldn't mind some more grunt. Grab a HD 7990 6GB to throw into the mix and you can see an insta-upgrade in almost every situation. If you're looking at that kind of upgrade, then it's highly recommended you look through the graphs and concentrate on the performance of this setup here today against the reference HD 7970 GHz Edition instead of the reference HD 7990 6GB.


Against the GTX TITAN SLI setup, this AMD setup holds better value, and let's be honest, is a little tough to say when you're talking about a video card setup that costs around $1,400. With the massive game bundle that comes with the HD 7990 6GB, you'll also end up with a massive pile of games that can make use of this CrossFireX setup straight away.


While we'd normally probably move onto doing an article on overclocking the three GPU's to see just how much performance we can get out of the setup, the clear issues that are seen around overclocking the new HD 7990 make it something that is more likely a waste of time at the moment. Once the issue gets fixed, though, and we're sure it will, overclocking is something that is important to users, especially since companies like MSI make it so easy via its Afterburner utility.


For now, the next setup we want to check out is the overclocking potential of the $2,000 GTX TITAN SLI SuperClocked setup from EVGA. Stay tuned!

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