想換顯示卡請高手幫忙!!

顯示卡:
Intel(R) 82945G Express Chipset Family (Microsoft Corporation - WDDM 1.0)
CPU: DualCore Intel Pentium E2140, 1600 MHz (8 x 200)
Motherboard Chipset Intel Lakeport-G i945GC
System Memory:1G sdram
DIMM1: Hynix HYMP512U64CP8-Y5 1 GB DDR2-667 DDR2 SDRAM (5-5-5-15 @ 333 MHz) (4-4-4-12 @ 266 MHz) (3-3-3-9 @ 200 MHz)
BIOS Type AMI (10/25/07)
因為宜家好多遊戲都玩唔到所以想換同埋好lag,我知好舊-_-;...想請教一下,可以換邊隻顯示卡?

我知好舊...唔該晒你!!!