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Radeon HD 4000 series specs

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Hardcore Extreme Level


entradas: 18123

06:30 27/02/2008


espero que lo capten en ingles, muchas ganas de traducir a esta hora no tengo

The ATI Radeon HD 4000 series is slated for late Q2. Information about the high-end RV770 has been leaking onto the web, from here and there, but the exact specifications has remained in the shadows. German hardware site has gotten their hands on what seems to be pretty authentic information. As far as we can tell, it looks believable and matches the rumors going around. We're still far away from the launch and the figures are subject to change. We also have some information on our own to share with you.

If you're into extreme single-core GPUs you may want to stop reading now. ATI's future is value-oriented and if you're longing for that 1 billion transistor megachip, you can stop doing it right now. ATI isn't into that. We should have told you this sooner. ATI is focusing on bang for the buck and if you want more performance you should get a second card, or get the card with two cores.

Considering the flexibility and scaling that CrossFireX offers, we're not exactly saddened by AMD's decision to steer ATI toward focusing more on the price/performance ratio than on raw performance. It is harder to write drivers for a multi-GPU, but when you make sure that you have a good foundation, such as CrossFireX, it might be worth the risk.

The information published elsewhere suggests that ATI will use GDDR5 to a great extent, which surprise us a little. On the other hand, ATI may know something about GDDR5 that we don't (we would be surprised otherwise). RV770 has GDDR5 support, but whether ATI will actually use it remains to be seen. GDDR4 with most of the high-end cards is a highly likely scenario. The frequencies suggested here are actually lower than what good GDDR4 chips are capable of.

RV770 will break 1TFLOPS, while the R700, with two RV770, should be capable of twice that, more than 2TFLOPS. This is higher than what he had expected, but then again the core frequencies are also higher than expected. All cores are made by TSMC and their 55nm process. We're still trying to hunt down more reliable information on the design of the "core".

On top of the information published we've completed the tables with some additional information, among others the target price points. AMD/ATI's goal is to keep the prices at a point where they are first of all affordable, but also a thorn in the side of NVIDIA. The prices in the table are the not the final MSRP, but the price ATI aims to stick below. Meaning that the retail prices should end up lower than what the tables shows.

When AMD/ATI, unveiled the Radeon HD 3000 series they had added a nifty feature called PowerPlay. PowerPlay dynamically controls the power consumption and will severely reduce the power consumption when idle, but also reduce the peak consumption somewhat. When we look at the figures they don't quite add up, but as stated above, these figures are all most likely going to change before the launch. The idle power consumptions of all cards are extremely low and even the dual-core Radeon HD 4870X2 will consume less than 25W when idle.

The number of TMUs have finally been increased, actually doubled, to 32 with RV770, while RV740 sports 24 TMUs, and the low-end RV710 has 8 TMUs. Don't bother getting upset with the 256-bit memory bus because it will not become any kind of bottleneck. The only time it might be even close to that is when you're pouring liquid nitrogen into the container and have the GPU running at +50% of stock frequency, which will happen though.

Hardcore Extreme Level


entradas: 4300

06:59 27/02/2008


Pablo no es por menospreciar tu trabajo pero yo me tome la molestia de traducir y corregir un articulo el cual esta posteado aca:

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entradas: 2461

09:22 27/02/2008


cuantas veces estubo posteado, 2, 3, 6 nose, ya hay un monton de estos

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entradas: 18123

19:48 27/02/2008


bueno me siento un nabo especializado


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entradas: 13725

19:49 27/02/2008

Cita Iniciado por aledb12
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cuantas veces estubo posteado, 2, 3, 6 nose, ya hay un monton de estos

jajaj si es verdad, casi una vez por dia XD