Your video card will be slow in Skyrim and your video memory, 1GB, will struggle with the hi-res texture packs. You will really need to play around and turn down your settings a bit. You should be able to find a sweet spot with lowered settings, but generally that won't affect your enjoyment of the game.
Thanks for the quick replies. It hasn't actually arrived yet, so I can't tweak anything to find the sweet spot. I just bought this computer through Dell and is going to arrive in a few days. Graphics are not such a big deal as the mods. I want to be able to run SkyRe, perk overhauls, survival/hypothermia mods, immersive weapons and armor, and also the apocalypse spell package.
Yeah, I realized that after I bought it. I thought I got a good deal since I only paid $750. I still have $400 and will most likely roll with this GPU for a month or two. I hope I will still be able to run all of the mods on low visual settings and I'll take your advice and buy one eventually.
The GT 640 is going to make you suffer while playing Skyrim. They call those a "budget gaming card". I'm a bit biased because I'm a little more hardcare gamer. But to me a GT 640 is what you put in your wife's computer so she can look at websites that use Java without the computer slowing down.
What resolution is your monitor/display?
Skyrim does respond well to a higher end CPU (as you have). But it's fairly graphics intensive as you bump settings up. For example, playing at 1920x1080 with TWO GTX 470 video cards with high res texture packs and mods was difficult. the 1.2GB of GRAM wasn't enough to prevent stuttering and FPS dips.
Monitor resolution is key to determining what video card you really need. Also we'll need to determine what the rating on the Power Supply is inside the computer depending on what GPU you try to put in there.
Haha I feel alot better now that I know that I bought a graphics card fit for a women lol. My monitor is an Acer S230HL 32" monitor. I have a 120V Power Cord. Graphics aren't as important to me as mods are. The reason I bought a desktop and switched from the console was for the mods.