Confused between media accelerator x4500 and 512 mobility radeon|||the media accelerator is Intel's default "integrated" graphics chip. the mobility radeon belongs to another company, ATI (part of AMD now).
512 most likely indicates it has 512 mb separate memory, whereas the x4500 accelerator actually uses some of your system RAM to process graphical information.
video cards primarily are for people who intend to do heavy graphical processing, most commonly found in PC games. other programs sometimes use them as well, but not nearly as demanding as pc games do. high definition playback such as blu-ray also require support from video cards.
mobility radeon > media accelerator x4500|||The function is to process visual information. Without a video card you would have nothing to process what happens on your screen in things like movies. The 512 mobility radon.|||It creates the signal that goes to the monitor. Without a video card the monitor would be black. Which card you want depends on what you're going to do. If you game, you don't want an Intel video card - they make business-class cards. The high end Radeon and nVidia cards are gaming cards. For email, internet and office-type work, any current card is okay.|||The Intel x4500HD is great for movies and general multi media able to decode HD content.
ATI Mobility radeon cards are the monsters specifically created to handle everything but mainly multimedia with advanced gaming support.
512 actually stands for dedicated memory RAM (512 is perfect) and is actualy a superb number to have for any video card nowadays, but make sure its DEDICATED and NOT shared like budget computers have, also some computers have Dedicated AND shared, not a bad thing to have.
When choosing between ATI cards you want to go for the latest 4XXX series cards 4530 is ample power for 95% of computer users, but if you are very worried about Frag rates and frame rates.. games and stuff, I would highly suggest you look into cards from NVIDIA.
My best advice is for you to visit Wikipedia.org and take 10 min out of your day to read the history of Video processors.
you will learn of the amazing and interesting strides that we have made starting from the first computers at At&t to personal computers to now, its realy amazing.
ATI makes some truly amazing GPU's for example the 4650 chip is able to do much more then just put a pretty picture on your screen, compared to the Intel chip-set AKA X4500HD it can truly display a fluent 1080P picture on multiple monitors decode 7.1 channel sound and play a demanding game at the same time.
say for example a 4530HD card from ATI will run at about 40-45c in a well designed laptop.
The ATI 48XX series cards are the expensive cream of the crop made for gaming, these cards run about 65-70c in well designed laptops, 65-70 is hot but not enough to burn you.
Nvidia is the most common vegetable from the garden of laptops., but is pretty much made only for playing a game and likes to emit heat (sometimes extreme heat), they are considered the best for DESKTOP computers and outperforms everything in games.
Also Nvidia has some pretty bad failure rates in laptops because of the heat they emit. 9500m from nvidia could easily hit 95c during game-play, try that on your lap!
The most common cards from Nvidia in laptops are 9600GT cards and 9800 cards and are pretty good cards for playing games on the go.
The best Nvidia cards have GTX on the end and are the cream of the crop.
ATI is all over the place, where it seems like every laptop has a different chip built in, but in general you want to stick to ATI 4XXXHD series chips as they are the best overall laptop contenders.
I realy do not see Intel based Graphics as a contender because they don't quite look future proof as of right now, you want to stick between Nvidia and ATI cards, they both have their advantages and disadvantages.
You want to avoid Intel3100, Nvidia 8600, Nvidia 6100 through 7400 cards, Nvidia 7950 cards and ATI cards with anything lower then 2400.
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