Leadtek® Winfast GeForce™ 9800GT 1GB DDR3 Power Efficient

[Xx_DarkSide_xX]

Hola a todos no se mucho de hardware de video y pienso en comprar una nueva tarjeta y quisiera saber q tal es esta en comparacion con las demas 9800 y con 8500 fatality q actualmente tengo, o en el mejor de los casos, cual me recomiendan?
GRACIAS DE ANTEMANO
SALUDOS

GPU NVIDIA GeForce 9800 GT
Graphics Bus PCI Express 2.0
Memory size 512/1024MB GDDR3
GPU/Memory clock 550/900MHz
Memory data rate 1800MHz
Output Dual Dual-Link DVI
Memory Interface 256-bit
Data bandwidth( GB/sec.) 57.6
Fill Rate(billion texels/sec) 30.8
Stream process 112
RAMDACs (MHz) 400
NVIDIA® unified architecture with GigaThread™ technology
NVIDIA® Lumenex™ Engine
Full Microsoft® DirectX®10 Shader Model 4.0 Support
NVIDIA® SLI™- Ready
NVIDIA® Quantum Effects™ physics processing technology
True 128-bit floating point high dynamic-range (HDR) lighting
Built for Microsoft® Windows Vista™
OpenGL® 2.0 Optimizations and Support
Package contents WinFast PX9800 GT graphic card
Maunal & Driver disc
Quick installation guide
System Requirements Window XP, Vista
A PCI Express or PCI Express 2.0 compliant motherboard with 1 full-height free slot
Installation software requires DVD-ROM drive
VGA(VGA converter needed) or DVI compatible monitor
A Minimum 400W or greater system power supply (with 12V current rating of 26A)
Software Bundled WinFast Graphics Driver CD (w/ WinFox III) x 1