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AMD Radeon HD4850, HD4870 and HD4850 Crossfire
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Old 25th June 2008, 22:03   #1
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Default AMD Radeon HD4850, HD4870 and HD4850 Crossfire

AMD wants to conquer the hearts of enthusiasts with graphics products that not only have excellent performance, but also a price achievable. Its first claw was the Radeon HD4850 with a competitive price of $199USD today appears the Radeon HD4870 $299USD for the masses with a great price/performance ratio. (~source)
Continue reading now the full Madshrimps HD4870X2 Review!

More ATI HD4870 News:
- AMD Radeon 4850 and 4870 3DMark06 Benchmarked
- ATI HD4870X2 will be up to 80% faster than NVIDIA GTX280
- HD 4870X2 R700 launch on Aug 12th

Last edited by jmke : 12th August 2008 at 10:09.
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Old 26th June 2008, 19:17   #2
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More news coming in from the AMD GPU front:

MSI unveils the MSI R4870-T2D512 based on the ATI R4870 55nm GPU’s and with DirectX 10.1 framework of Windows Vista Service Pack 1 support. The MSI R4870-T2D512 is equipped with 800 stream processors which achieve the unprecedented level teraflop (1 Teraflop) computing capability which is 10 times higher than any high-end CPU. The MSI R4870-T2D512 is the first graphic card equipped with GDDR5, also both cards support UVD 2.0 video decode, ATI PowerPlay power-saving technology and CrossFireX™ technology.
Proper competition from AMD in the mid-range scheme of things might have taken a while to happen, but it does happen with the HD 4000 series. We are taking a look at the smaller of the two new models, which offers exceptional performance for the price of $200.
The VisionTek Radeon HD 4850 is lean, slick, and a stick of dynamite in a knife fight when up against the competition. Delivering a product to the market for $199 that packs this much punch is almost shockingly refreshing. If you read (or write) many hardware reviews, you might get a bit jaded after hearing how every new product comes out is this fast, or that fast, or this much faster than the last fast. But really, for the performance levels put out by this single-slot card, relatively speaking as new generations of video cards go, for $199 the HD4850 just inspires.
The Sapphire HD4850 utilizes ATI's design of their newest core using a 55nm manufacturing technology, the RV770 using 512MB of GDDR3 memory. I had expected to see some great numbers from the new card, however what I saw was way beyond what I expected. The stock benchmarking scores of the HD4850 beat the 9800 a few times and got beat a few times by it, however once the Sapphire HD4850's core was overclocked to 670MHz and the memory was pushed all the way up to 1100MHz, it was able to compete with the competition's newest card, the GTX 280. When the card was overclocked, unlike the PowerColor HD4850, the temperatures of the GPU were sitting around 82-86 degrees Celsius under load, while these temperatures are not very good and are quite high, I felt that they were safe enough for me to be able to run some benchmarks."
Last week we exclusively shared the steps AMD was taking to make an evolutionary leap in Linux support with same-day support for their brand-new Radeon HD 4800 series, Linux drivers shipping on the product CD, some manufacturers showcasing Tux on the product packaging, and their proprietary Linux driver reaching a feature parity with their Windows driver. We had also shared that the Radeon HD 4850 works with open-source xf86-video-ati driver since day one. Now that we have had time to complete testing of the Radeon HD 4850, today we are sharing the first Linux results from this brand-new ATI graphics processor. Before you think the Windows and Linux performance is equal for the Radeon HD 4800 series, this isn't the case, at least not yet.
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