NVIDIA "G80" Retail Details Unveiled
Anh Tuan Huynh
October 5, 2006 12:39 AM
comment(s) - last by
DirectX 10 compliant GeForce 8800GTX and 8800GTS headed your way
hands-on with the GeForce 8800 series
continues with more information about the GPU and the retail boards. The new NVIDIA graphics architecture will be fully compatible with Microsoft’s upcoming DirectX 10 API with support for shader model 4.0, and represents the company's 8th generation GPU in the GeForce family.
NVIDIA has code-named
based products as the GeForce 8800 series. While the 7900 and 7800 series launched with GT and GTX suffixes,
will do away with the GT suffix. Instead, NVIDIA has revived the GTS suffix for its second fastest graphics product—a suffix that hasn’t been used since the GeForce 2 days.
NVIDIA’s GeForce 8800GTX will be the flagship product. The core clock will be factory clocked at 575 MHz. All GeForce 8800GTX cards will be equipped with 768MB of GDDR3 memory, to be clocked at 900 MHz. The GeForce 8800GTX will also have a 384-bit memory interface and deliver 86GB/second of memory bandwidth. GeForce 8800GTX graphics cards are equipped with 128 unified shaders clocked at 1350 MHz. The theoretical texture fill-rate is around 38.4 billion pixels per second.
Slotted right below the GeForce 8800GTX is the slightly cut-down GeForce 8800GTS. These graphics cards will have a
GPU clocked at a slower 500 MHz. The memory configuration for GeForce 8800GTS cards slightly differ from the GeForce 8800GTX. GeForce 8800GTS cards will be equipped with 640MB of GDDR3 graphics memory clocked at 900 MHz. The memory interface is reduced to 320-bit and overall memory bandwidth is 64GB/second. There will be fewer unified shaders with GeForce 8800GTS graphics cards. 96 unified shaders clocked at 1200 MHz are available on GeForce 8800GTS graphics cards.
Additionally GeForce 8800GTX and 8800GTS products are HDCP compliant with support for dual dual-link DVI, VIVO and HDTV outputs. All cards will have dual-slot coolers too. Expect GeForce 8800GTX and 8800GTS products to launch the second week of November 2006. This will be a hard launch as most manufacturers should have boards ready now.
Power requirements for the G80
were detailed in an earlier
This article is over a month old, voting and posting comments is disabled
RE: Weird specs...
10/7/2006 5:44:53 PM
Each bit you add to the memory requires a little more then 1 pin. At the same time, you need pins for PCI-E, and roughly 1 pin per watt of power you want to consume. Not only is adding pins very expensive, but theres limits to how many you can fit on a given die since they physically take up space. Given the power consumption and memory bus width, Nvidia is probably already at the limit at 384 pins. Then theres the issue of routing 512 bits of traces and the additional addressing and control circuitry.
512 bit memory might be cost effective someday, but probably not for a while. Maybe not ever if higher speed DDR comes out.
"When an individual makes a copy of a song for himself, I suppose we can say he stole a song." -- Sony BMG attorney Jennifer Pariser
Power and the NVIDIA "G80"
October 4, 2006, 11:56 PM
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