ok, best performance for Team fortress 2? (its DX9) choose a card for me, i have both. they are on the same tier on Toms-Hardware. my cpu is a Q6600 G0. disregard heat and power consumption.
7900gs (PNY)
* 450MHz Core Clock
* 256-bit Memory Interface
* 1.32GHz Memory Data Rate (effective)
* 42.2 GB/Sec. Memory Bandwidth
* 10.8 Billion Pixels/sec. Fill Rate
* 822.5 Million Vertices/sec. Setup
* 20 Pixels per clock (peak)
* Dual 400MHz RAMDACs
* 256 DDR3
* DX9
* OGL 2.0
9500gt (EVGA)
* 550 MHz Core Clock
* 128 bit Memory Interface
* 1Ghz Memory Data Rate (effective)
* 16.0 GB/sec.Memory Bandwidth
* 8.8 Billion Pixels/sec. Fill Rate
* 16 Pixels per clock (peak)
* 512 DDR2
* DX10
* OGL 2.1
7900gs (PNY)
* 450MHz Core Clock
* 256-bit Memory Interface
* 1.32GHz Memory Data Rate (effective)
* 42.2 GB/Sec. Memory Bandwidth
* 10.8 Billion Pixels/sec. Fill Rate
* 822.5 Million Vertices/sec. Setup
* 20 Pixels per clock (peak)
* Dual 400MHz RAMDACs
* 256 DDR3
* DX9
* OGL 2.0
9500gt (EVGA)
* 550 MHz Core Clock
* 128 bit Memory Interface
* 1Ghz Memory Data Rate (effective)
* 16.0 GB/sec.Memory Bandwidth
* 8.8 Billion Pixels/sec. Fill Rate
* 16 Pixels per clock (peak)
* 512 DDR2
* DX10
* OGL 2.1