First AMD HD4870 Review Out: Beats GTX 260
 

In the ATI Radeon HD 3800 series issued more than seven months, the rival NVIDIA sale a large number of products, the GeForce 8800GT graphics card has been made within four months of the 2 million sales and the pride of achievement, and only use AMD RV670 core Derivative products in the low-end market self-fun. After six months after the adoption RV770 graphics core of the Radeon HD 4800 series of graphics successive game, it will bring people stripped the performance of this

For the first time opened to the readers of this doubt, we were 14 and 21 in Hong Kong rushed to the direct purchase of the necessary tests Radeon HD 4850/4870 cards. It is worth emphasizing is that you see in this test report at the same time, Radeon HD 4870 is still not published.

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Juicy bits start at page 17 http://translate.google.com/translat...sl=zh-CN&tl=en

HD4870 performs on par with GTX260.... but

http://www.madshrimps.be/vbulletin/f...l-229-a-45137/

€226 vs €399 pricetag!


sometimes it does this:



which is very nice...

other side of the medal:




summing things up:



on par with GTX260, ~10% slower than GTX280. Not bad at all, just look at that price!

Wow. I'm sold.

It is going to be my next card because of the excellent value for money it offers.

ATi RV770 - Architecture Overview
 

As an opener to our launch day coverage, we'll be taking a plunge into the RV770 and seeing what what is new, what has changed, what stays the same (quickie note: not much) and how it all fits together. We'll also check and see if we can actually achieve the theoretical numbers using a number of synthetic tests ... don't worry, the whole gaming enchilada will soon follow, we haven't lost our focus.

http://www.rage3d.com/reviews/video/.../architecture/

AMD finally reveals the Radeon 4800 GPU
 

AMD has been through some rough times the last year. Not only have they lagged behind with their processors compared to Intel but they also have not been able to compete at the enthusiast level with their ATI graphics cards. It was therefore quite interesting to attend to their briefing in Malaga, Spain a few weeks ago where they presented their new HD 4000-GPU’s. For the first time in a year or so AMD had a briefing which was filled with confidence and which left at least me with a feeling that AMD was very optimistic with what they were presenting for us journalist.

The product they were presenting was of course the new HD 4000 series of GPU’s. In focus was the HD 4850 and the HD 4870 but we also got some information for the R700 which I expect will be called something like HD 4870X2. These are the GPU’s that AMD are hoping will strike a big blow to NVIDIA’s market share.

http://www.bjorn3d.com/read.php?cID=1301

AMD Radeon HD 4800 series technology analysis
 

While the Radeon HD 4850 launched early last week due to boards slipping out into the retail channel, today is the true big day for AMD's next-generation graphics architecture, as the lid is lifted on their flagship Radeon HD 4870 part as well as the technology which powers the RV770 core utilised by these boards. To that end, in this article we delve into AMD's RV770 architecture, to see both what it offers over its predecessors and also how it marks a sea-change in the way AMD will be competing in the 3D graphics performance race from now on.

Starting out with the basics of the core being launched officially today, we find that RV770 follows AMD's previous RV670 part in using the latest 55 nanometre manufacturing process. While this part can't quite reach the billion transistor level sported by NVIDIA's GT200 core, it isn't all that far off, with a total transistor count of 956 million, against the 666 million transistors used by the Radeon HD 3800 series.

This increase in specification and transistors also sees die size increase over RV670 as you would expect, with RV770 clocking in at 260mm squared against the 190mm squared die of RV670. This still absolutely pales into comparison with the vast die size of NVIDIA's GT200, which weighs in at absolutely massive 576mm squared.

http://www.elitebastards.com/cms/ind...84&Item id=31

ATI Radeon HD 4850 and 4870: RV770 Has Arrived
 

Last week, due to some unexpected circumstances, we were able to post a sneak peek of the RV770 GPU and ATI Radeon HD 4850 graphics card. As our limited testing showed, the Radeon HD 4850 was quite promising for a $199 graphics card. But we weren't able to tell the complete story. While the initial benchmarks definitely looked good, there was a lot more to talk about in regard to the Radeon HD 4850 and the RV770 GPU at the heart of the card.

Today we can finally spill the rest of the beans. You see, AMD didn't plan to officially announce just one new Radeon HD 4800 series card this week, but two, with a dash of information about a third thrown in for good measure. Today marks the official arrival of not only the Radeon HD 4850, but the higher-end Radeon HD 4870 as well. As we've already explained, one card - the Radeon HD 4850 - is targeted at the sub-$200 price point. The other, however, is a $299 screamer that makes use of some cutting edge technology, like GDDR5 memory. Come on by the site and check them out...

http://www.hothardware.com/articles/...70_Has_Arrived

Palit Radeon HD4870 512MB Graphics Card Review
 

It has been a hard two years for ATI and we know that many people out there have been counting down the days until the boys in red returned to competitiveness. Well ladies and gents, the wait is over because the HD4870 has shown us that ATI has come out with all guns blazing. While the HD3870 and HD3850 were popular cards which have been able to compete on a number of fronts with their Nvidia counterparts, we are quickly coming to realize that they were nothing more than technology demonstrators for the 55nm manufacturing process. This process has now blossomed into full maturity with the R770-series cards which seem set to take the graphics card world by storm.

http://www.hardwarecanucks.com/forum...rd-review.html