Yes it is adequate enough to sprint those games on high even.Do you have the most recent drivers and as a minimum DX10? Those games will appear great and the FPS will be adequate as they are not reserve munchers, however if you are preparation on playing games akin to Crysis, GTA 4, FC2, Resident Evil5 or FSX that card will create to stutter at upper resolutions and high settings.

Are you purchasing this computer from somebody or do you by now own this computer?
You should be capable of play the games you stated on a medium settings, counting on what declaration you are playing on (you should be well at 1280x1024).

I'm preparation on informing my graphics card only really. But I'm not actually a hardcore PC gamer, so I won't mind playing on Medium, providing it won't lag.

You haven't advised us the motherboard. Or the sum of RAM. From what you've located so far though it looks enough.

I have participated during Fallout 3 on a:

Pentium D @ 3.4GHz
2GB RAM
ATI 3870

I was able to play it at 1280x1024 @ High devoid of Aniso or AA and I'd frequently get 40~60fps.

Don't recognize about Borderlands although.

What regarding on 1600x900? How fine will it sprint?

It will sprint; you require staying further than AA and ASF. Should obtain about 25-30fps. It won’t lag but you will acquire slow down in eventful areas.

Sorry I didn't respond earlier. Well, the thing is, I don't recognize what my motherboard is. All I recognize about it are these: Acer Aspire M1201 AMD Hammer DDR2 SDRAM 64-bit. I'm a noob when it comes to computer hardwares, which clarifies many. But I contain 2.75 RAM.