As mentioned two models are being released at this moment: GeForce GTX 280 and GeForce GTX 260. Below you can see pictures of the reference model for these two cards – as you can see, they have the same external appearance. Both cards require two auxiliary power connectors, with GTX 280 requiring one 6-pin connector and another 8-pin connector and GTX 260 requiring two 6-pin connectors. Both video cards are based on PCI Express 2.0, naturally. So for best performance you must install them on a motherboard supporting PCI Express 2.0. Both of them support three-way SLI.
In the table below we summarize the main specs from these two cards.
|Feature||GeForce GTX 280||GeForce GTX 260|
|Core clock||602 MHz||576 MHz|
|Streaming Processors (Shader Engines)||240||192|
|Streaming Processors Clock||1,296 MHz||1,242 MHz|
|Memory Clock (Real)||1,107 MHz||999 MHz|
|Memory Clock (DDR)||2,214 MHz||1,998 MHz|
|Memory||1 GB GDDR3||896 MB GDDR3|
|TDP||236 W||182 W|
|MSRP||USD 649||USD 399|