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Do you make these 6 mistakes when buying a video card? i found this info on the net while browsing,i found it useful so thought of sharing it with our fellow forum members.
1- Buying a video card based solely on the amount of memory.
More is better, right? That’s their excuse when you have to
justify your purchase to yourself or to your geek friend.
Well yes, but not if you base your purchase solely on the
amount of RAM. A video card performance is based on many
other factors, such as the GPU chip model, the frequency of the
GPU/memory, the memory bus width, etc.
A good example of this would be someone buying a 8600GT
512MB over a 8800GT 256MB. Sure, it may have more memory,
but every other factor will limit the card performance in
comparison.
Also keep in mind that you won’t need the extra memory unless
you play at very high resolutions, such as 1920×1080 and/or
with AA/AF quality filtering. Why? Because your video card
won’t need/use it.
2- Buying a lower-end new generation model over a higher-end
old generation model.
It’s newer, so it must be faster!
Not so quickly. When in the majority of cases, this is true, it is
not always true. So? Well, you might miss out on a really good
deal, as stores tend to lower prices on older generations, to get
rid of their old stock, to make space for the new stock.
Now, the mistake some of you make is to choose your card by
using the generation number first. You’d think that a 4xxx card
from ATI is automatically faster than a 3xxx model. If you take
a Radeon 3870, it’d trash a Radeon 4350 or be faster than a
Radeon 4650.
Let me quickly explain how model numbers work, using ATI’s
4850 model as an example.
4850: The first number refers to the generation of the card. A
higher number there means that the video card is based on a
more recent generation, which always brings in improvements
over the previous generation.
4850: The second number refers to the range of that card.
Same here, higher is better. In Ati’s case, for the 4xxx series, it
goes mostly like this:
* 3: Low end
* 6: Mid range
* 8: High performance
4850: The last two numbers refer to the place of that model,
within the hierarchy of that range of video cards (See second
point, for the “8″); within a generation (See first point, for the
“4″). In the vast majority of cases, a higher number means
higher performance, but both ATI and Nvidia tricked people in
the past with crippled GS/SE models, so keep an eye open for
the suffix if there’s one. No, SE does not mean special edition!!
Although ATI don’t really use suffix on their newer models,
Nvidia still are. Here’s a quick reference, from slowest to
fastest, when you compare two identical models otherwise:
GS<GT<GTS<GTX . Now, even this is not always true, if you
take the 8800 model example. Some of the older GTS models
are slower than the newer GT. Confusing, isn’t it?
Just keep in mind that many older generation, higher-end
models are often faster than some of the newer models, so
make sure to google benchmarks and to compare prices!
3- Not considering the space/power requirements.
So you’ve avoided the two first mistakes, ended up buying a
Geforce GTX280, are eager to play the newest games…only to
realize that it doesn’t fit in your case! Good job =P
This is especially true when you have a small format case, a
HTPC or if you buy a high-end video card.
Lesson here: Measure the space available for the video card in
your case (Usually from the back of the case to the hard drive
cage) and double-check the length of the card, which is usually
found under the specs, before buying it. Check reviews and/or
contact the store if you’re unsure.
You’ve bought a great card, it fits in your case, but now you’ve
one or several of the following problems? :
* Your video card needs extra power connectors and you
don’t have them.
* Your computer won’t boot.
* Your computer boots but crashes under games.
I’m afraid that your power supply may not up to the task of
powering your new video card. Now, that’s most probably it, but
it might not be it, make sure to troubleshoot before buying a
new power supply.
4- Teaming a powerful video card with a slow Cpu
Yay, you’ve got that new Radeon 4870X2 and you’re ready to
dominate the virtual world. Only to see that you’re framerates
are no where what you expected to be, according to all those
reviews.
Well, if you’re using such a powerful gpu with a slow cpu, lik an
Intel E4300, it just won’t work as you want it to. Your cpu will
bottleneck your video card performance, which mean that it
won’t be able to keep up with it and your video card
performance will be reduced as it always waits on the CPU.
Simply try to keep your cpu performance in balance with your
video card. If you get a midrange video card (9800 GTX, 4850) ,
try to team it with a midrange CPU (E7400 and such).
If you use SLI/Crossfire or even better (or worse in this case),
make sure to team up your video cards with a blazing fast
quad-core CPU. Most games may not benefit from quad-core
yet, but the video drivers and the cards themselves will. The
new Core i7 cpus are a perfect fit here.
5- Buying an overkill video card for the games that you play.
If you play is Counter-Strike 1.6, WoW or the majority of games
that are 2 years or older, you probably don’t need the lastest
and fastest video card.
If you play on a 17″ or 19″ screen, you probably don’t need the
lastest and fastest video card.
This is just like someone who buys a Mustang simply because
they want more horsepower. Could they travel to work and do
their everyday activities with a Honda Civic? Most probably.
You will waste a lot of money, both on purchase, power
consumption and on upgrading the rest of your system (Cpu
and power supply) if you buy a video card that is overkill for
your needs.
Learn to listen to your wallet, think with your head and figure
out how much power you really need for the games that you
play!
Now, some of you may not agree with this, as you’ll say that it’s
good to have headroom for future games. I don’t think so. Why?
By the time that the new game is out, your video card will still
be able to handle it, perhaps at lower settings but newer video
cards that offer higher performance for the same price will
most probably be out by then.
I think that it is better to upgrade at a low cost every so often
than to buy some of the most expensive video cards all the
time. Not to mention that higher-end cards tend to devalue
faster than mid-range video cards. Just like higher-end cars.
Now, if you absolutely need the fastest and most powerful
video card with every new release, just to strike your ego and
brag about it, go ahead, just be prepared to pay the price!
6- Listening to the recommendations of only one person.
The last, but certainly not the least of the common mistakes
done when buying a video card: Listening to the opinion of a
single person. What’s wrong with that?
* The person may be a fanboy, who would recommend an
inferior product from Nvidia or from ATI simply because they
prefer that company.
* The person may not have a clue of what they’re talking
about. Not everyone have vast knowledge on video cards.
* That person’s information may be outdated. After all, new
video cards are released on a regular base (every couple of
months, or even less)
Always make sure to get the opinion of many trusted people,
ask around on forums, read plenty of reviews and
comparisons. You’re going to spend a lot of your hard earned
cash on that card, so make sure it is the right one for you.
Same goes for me. Don’t just listen to me, I’m human too
hehehe.
Conclusion:
Buying a video card requires thoughtful thinking. With such a
variety of cards available on the market, it may be confusing,
so remember to avoid these mistakes, ask as many opinions as
you can and shop around for good prices!
What has been your experience when buying video cards?
Have you made any of the mistakes or were you going to? Do
you have any tips to share with us or any mistake that I’ve not
mentionned that you think we should know of? Let me know in
the comments section just below!
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Originally Posted by just4kix 
