The Dell Inspiron 15 is definitely has better specs than the eMachines E725. Comparison: -Processor- the Dell has a i3 2.7Ghz vs the eMachines 2.2Ghz. Significantly faster and more efficient -RAM- the Dell has 4GB vs the eMachines 3GB. Significantly faster. If you wanted to get 4GB on the eMachines, you would have to pay extra. -HardDrive- The Dell has 500GB HDD vs the eMachines 250GB. The Dell has twice as much storage space the 3Machines! Therefore, the Dell Inspiron 15 has better specs than the eMachines E725.
It appears that you should have no problem and the Game is available from Gamestop for under $20. It was also made available on Stream on January 4 2009. see related link. The Key to your answer is that the Grand Theft Auto IV be the version made for the PC and that your Acer E725 meets the Minimum requirement for that version of the Game and online research indicates that at least the Acer E725-4520 model does. The links to information on GTA 4 has been added under related links below the answer information.
well the i5 are nice and fast for everything, but they run so fast that if you play a game, and I mean a simple game you can over heat the laptop so no games even if it says 16mb video card required it gets hot. My emachines e725 sales for about $450.00 I got it on sale for 299.00. and it runs your 32mb video game just fine. Amd quad core 1gb video card you or your child could play anything you'd like, it might be a little slower getting on the Internet, but it a real heavy duty machine it sale for $529.00 for a desktop add two hundred more for laptops. Amd quad core carry a heavy load kinda like a 18 wheel semi, but it dose' beat a Corvette or i5 or a i7 or ferry, but if you got an i7 with a 1 gb of memory you spend $900-$1000 on a desk top or $1200 on a laptop. I hope I helped a little.