ATI readies SuperRV770

"Can it challenge Nvidia's best?"

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ATI readies OEM special: SuperRV770 to challenge GeForce GTX 260, 280
It's no secret that ATI GPG are well and truly back to doing what they do best - manufacturing cards that provide solid performance at a very reasonable price. According to our source article today, there appears to be quite a lot 'left in the tank' with regards to the HD 4800 Series cards, and we are yet to see their true colours. Apparently ATI GPG are readying a board that may well rival Nvidia's current cream-of-the-crop.
The ATI Radeon 4870 ships with two six-pin power connectors, which support a maximum thermal design power (TDP) 225 watts (75 watts +75 watts and an additional 75 watts from the motherboard), while the board will never consume more than 160 – 170 watts at stock speed, we are told. That means that there is at least 55 watts of room for overclocking and enough space to find out what these GPUs are capable of.
Our source suggests that ATI GPG are speed binning the new GPU's according to the lowest common denominator to ensure a good yield and level of performance that rivals the GTX 260. But this time around, the company developed an AIB/OEM-only product codenamed "Super RV770", which will be much more powerful.
Affectionately known as the 'SuperRV770', it will reportedly arrive with water-cooling hardware in tow as well as featuring an unlocked BIOS, which enables the GPU to be pushed all the way to 950 MHz, while the memory can be pushed to 4.8 GT/s (1.2 GHz QDR). Those of you with a Peltier addiction may even be able to push the core beyond 1Ghz.
At 4.8 GT/s, the "Super RV770" can achieve a bandwidth of 150 GB/s, taking the crown from the GeForce GTX 280. The RV770 chip has a 256-bit (32-byte) interface, which means we can calculate the bandwidth in the following way:

ATI RV770: 32-byte x 4.8 Billion Transfers/sec = 150 GB/s
Nvidia GT200: 64-byte x 2.2 Billion Transfers/sec = 138.37 GB/s
The first SuperRV770 is already out and was released by Diamond Multimedia and bears the name "ATI Radeon HD 4870 XOC Black Edition". Expect more announcements from other AMD/ATI partners, including Asus, Sapphire and GeCube.
ATI looks set to ruffle some feathers...
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26-06-2008, 17:06:16

Keeping it cool.

News Article.

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