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AMD's next generation Radeon graphics card to get a boost from GDDR5

Although NVIDIA may be grabbing headlines lately with leaked details of its next generation GeForce graphics cards, AMD isn't exactly standing still with its Radeon offerings. ATI is preparing its Radeon HD 4800 series GPUs which will replace the existing HD 3800 lineup.

While the HD 4800 Series is rumored to feature GPGPU physics and HDMI 7.1 surround sound pass-through, today we were made privy of one concrete aspect of the new cards: the onboard memory. Qimonda contacted DailyTech earlier this morning with the news that they will supply AMD with GDDR5 memory chips for the reinvigorated Radeon family.

"The days of monolithic mega-chips are gone. Being first to market with GDDR in our next-generation architecture, AMD is able to deliver incredible performance using more cost-effective GPUs," remarked Rick Bergman, AMD Senior Vice President and General Manager, Graphics Product Group. "AMD believes that GDDR5 is the optimal way to drive performance gains while being mindful of power consumption. We’re excited about the potential GDDR5 brings to the table for innovative game development and even more exciting game play."

The high-speed memory chips are 512Mbit and offer bandwidth of up to 4.0Gbps. In preparing for AMD's June launch, mass production of the new GDDR5 chips has already commenced and are shipping in volume.

"We are very proud to supply AMD with GDDR5 volume shipments only six months after first product samples have been delivered," said Robert Feurle, Qimonda AG's Vice President of the DRAM Business Unit. "This is a further milestone in our successful GDDR5 roadmap and underlines our predominant position as innovator and leader in the graphics DRAM market."

"Qimonda's strong GDDR5 roadmap convinced us to choose them as a primary technology partner for our GDDR5 GPU launch," added AMD's Joe Macri. "Both the early availability of first samples and volume shipments added great value to the development and launch of our upcoming high-performance GPU."

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RE: (+Performance)(-Price) = Good deal
By Warren21 on 5/21/2008 4:15:45 PM , Rating: 2
I know that the HD4850 is 256-bit with GDDR3... maybe it's the X2 that I was reading the 512-bit on. Ah, here it is:

"We wrote that RV770XT supports 512-bit here and now we have learned that the slower RV770PRO will only support 256-bit and it will use GDDR3.

It looks that the current GDDR5 design sticks with 512-bit memory interface and that RV770PRO will use 256-bit GDDR3 memory."

-Fud (I KNOW, I know, it is everyone's least favourite source)

One other thing: The R700 (X2) has been designed from the start as a dual chip card (not stitched together like prev. X2/GX2). What I'm getting at is that it isn't 2 x 256-bit, but rather a single 512-bit bus with a 1GB pool of shared GDDR5. This should the "CF on one card" concept even more transparent, and hopefully bring more performance.

By NullSubroutine on 5/21/2008 4:41:39 PM , Rating: 2
Its more of a MXC or MXM or MCM cant remember the letters, but like you said the R700 should be 512bit with shared memory, no more of the 2x512. It should also support 2GB of GDDR5 as well.

It is possible that the RV770 is 256 (or 512) while the R700 is 512bit only.

"I modded down, down, down, and the flames went higher." -- Sven Olsen
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