Which Graphics card?

What is the difference between these cards;

Point Of View GF 9600 GT:

Graphics Engine : NVIDIA 9600 GT GPU
Video Memory : 512 MB
Core Clock : 650 Mhz
Memory Clock : 1800 Mhz
Shader clock
: 1625 Mhz
Memory Speed : 1.0 ns GDDR 3
Memory Bus : 256 bit
Interface : PCI Express 2.0 16x
RAMDAC : Dual 400 Mhz
DVI-I : 1x
HDMI
: 1x
TV-Out : Yes
Video-In : No
HDTV : Yes
Unified Shaders : 64



Leadtek WinFast PX9600 GT:

GPU NVIDIA GeForce 9600 GT
Graphics Bus PCI Express 2.0 (fully backwards compatible with PCI Express)
Memory size 512MB GDDR3
GPU/Memory clock 650/900MHz
Memory data rate 1800MHz
Output Dual Dual-Link DVI, HDTV
Memory Interface 256-bit
Data bandwidth( GB/sec.) 57.6
Fill Rate(billion texels/sec) 20.8
Stream processor 64
RAMDACs (MHz) 400



Does the the leadtek have a lower Memory clock than the point-of-view???And which is better perfermance wise?