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Windows 7 with Radeon HD 5770
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bit-tech:
Anandtech:In our performance evaluations, the Radeon HD 5770 performed well, but didn't set the world on fire - the comparative lack of memory bandwidth severely limits the card's potential when compared to the Radeon HD 4890, which has the same engine clock as this new mid-ranged 5000 series card. What's more, we found that the card was also slower than the GeForce GTX 260-216 and Radeon HD 4870 1GB - especially when anti-aliasing was enabled - but it does manage to keep its head well above the Radeon HD 4850, though.
If you look at UK pricing for the Radeon HD 5770 and compare it to where the Radeon HD 4850 and 4870 were over a year ago, we haven't moved on a great deal. The Radeon HD 5770 costs about the same as the Radeon HD 4850 did when it was introduced and delivers performance relatively comparable to the Radeon HD 4870 1GB - it's faster if anti-aliasing is left off at 1,680 x 1,050 and 1,920 x 1,200.
Techspot:The value of the 5770 in particular is clearly not going to be in its performance. Compared to AMD’s 4870, it loses well more than it wins, and if we throw out Far Cry 2, it’s around 10% slower overall. It also spends most of its time losing to NVIDIA’s GTX 260, which unfortunately the 4870 didn’t have so much trouble with. AMD clearly has put themselves in to a hole with memory bandwidth, and the 5770 doesn’t have enough of it to reach the performance it needs to be at.
If you value solely performance in today’s games, we can’t recommend the 5770. Either the 4870 1GB or the GTX 260 would be the better buy.
At $160 the Radeon HD 5770 appears to be picking up where the Radeon HD 4870 left off. Unfortunately we found the new card to be running slightly short on performance compared to both the Radeon 4870 and the GeForce GTX 260. On its favor you have a more efficient operation, a smaller PCB, some new features like Eyefinity and DirectX 11, though it's ultimately up to you to decide whether those make a big enough difference.
There is no question that the Radeon HD 5770 is a great sub-$200 product, however a problem is presented when you have both Nvidia and AMD offering competent previous generation products at bottom line prices. We were able to find both Radeon 4870 1GB and GeForce GTX 260 cards selling for the exact $160 that the Radeon HD 5770 is supposed to sell for, when available. With the Radeon HD 5750 trailing behind and the HD 4770 also on offer at $100, ATI will have to manage a balance among its budget and mainstream products.
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A 5850 then is great - 2 billion transistors, 32 ROP's (not counting Z stencil's), 1440 stream processors etc. If not, you can't really beat a last generation 4890 - and Direct X 11 will probably have backward support for DirectX 10.1.
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everything failed! I swear if it doesn't cost that much I've thrown it out the window
In the store they tested it using vista 32bit home and it is working fine. probably using vista soon. My 5770 now is in the box.
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