graphics card help me pick one (agp)

hey guys i have a agp card and it died which is better
now see geforce has higher MHz and bandwidth yet the other one has dx10 soo which would be a better choice?
BFG GeForce 7800 GS / 256MB GDDR3 / AGP 8x / DVI / VGA / TV Out / Video Card
GPU/VPU: NVIDIA GeForce 7800 GS
RAMDAC: Dual 400 MHz
Vertices per Second: 600 Million
Maximum Resolution: 2048 x 1536 @ 85Hz (Analog)
Video Memory: 256MB
Memory Type: GDDR3 256-bit
Core Clock: 400 MHz
Memory Clock:1250 MHz
Memory Bandwidth: 40.0GB/sec.
Interface Type: AGP
Interface Speed: 8X
Connector(s): DVI
TV/S-Video
VGA (15-Pin D-Sub)
or VisionTek Radeon HD 2600 Pro Video Card – 512MB DDR2, AGP 8x, (Dual Link) Dual DVI, HDTV, Video Card

GPU/VPU: RADEON HD 2600 Pro
RAMDAC: Dual 400 MHz
Additional Features: Vista Ready
HDCP Enabled
HDTV Ready
OpenGL 2.0
DirectX 10
Maximum Resolution: 2560 x 1600 (Digital)
Video Memory: 512MB
Memory Type: DDR2
Core Clock: 600 MHz
Memory Bus: 128-bit
Memory Clock:800 MHz
Interface Type: AGP
Interface Speed: 8X
Connector(s): Dual DVI (Dual Link)
HDTV/S-Video
Multiple Monitors Support: Yes
Answer #1
Well , actually If you use vista , take that seconde one .
If you have jsut xp or an another os , pick the first one
Answer #2
get the radeon one in mi opinion, direct x10 plus better specs
Answer #3
is there any way to tell if ill get more fps in games if i get one of these could my sempron 3200 2.0 ghz slow it down making it pointless?
Answer #4
start here
http://www23.tomshardware.com/graphics_2007.html?modelx=33&model1=715&model2=1066&chart=275
no 7800GS listed so I used the 7800GT
look for the blue entries in the chart
you can pick a diff game from the dropdown @ the top