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Your Questions About Asus Ati Radeon Hd 4870 | Laptopsunder500bucks.com

Your Questions About Asus Ati Radeon Hd 4870

John asks…

ATI Radeon HD 4870 1GB DDR5 Drivers won’t install? Windows Ultimate updates too?

Here are my system specs

OS: Windows Vista Ultimate 64 bit
(note, for some reason most of the updates I download from Windows update will not install either)

Hardware and Casing:
ASUS Crosshair III Motherboard
ATI Radeon HD 4870 1GB DDR5
AMD Phenom II X4 965 3.4GHZ
Corsair Dominator 3x 2GB DDR3 Memory (total 6GB)
Western Digital 600GB HDD
Roswill 1000W PSU
Why won’t the drivers install for my video card?
After the installation program for my Video card is complete it tells me that everything has been installed successfully except my drivers. I will update my anti-virus software Kasperkey and do a deep scan of my computer. If this does not work I will try in safe mode. Will update soon.


If you can’t download/install any type of updates, I’d guess you are infected with malware and/or viruses.
Try updating your anti-virus software. If it won’t update, then it is for sure that you’re infected.
If you can download, but not install, try installing in safe mode.
Good Luck.

David asks…

ATI Radeon HD 4870 x2 graphics card…need help!?

I am thinking of buying the ATI Radeon HD 4870 x2 graphics card…

please could someone tell me which power supply (psu) i am going to need for this type of card…i have heard that it needs to be powerfull but i am not sure how powerfull!

This is my computer so far…
Quad core 2 Q9550 processor

Asus P5Q Deluxe Intel P45 (Socket 775) PCI-Express DDR2 Motherboard

4GB DDR2 800 RAM

Arctic Cooling Freezer 7 Pro Socket 775 CPU Cooler

Western Digital Caviar RE2 500GB 16Mb Cache Hard Disk Drive SATAII 300MB/s 7200rpm

ATX Antec three hundred case
The PSU needs to be able to cope with all my other components aswell
thanks in advance for all your help,


The HD4870x2 by itself can draw up to 275 watts maximum. 275 watts / 12 volts = 23 amps on a power supply’s +12V rail. (this is one very power-hungry card because it is a dual-GPU card.)

Your Q9550 is a 95-watt processor. 95 watts / 12 volts = 8 amps.

Rest of your system (1HDD, 1ODD, RAM, mobo, fans) will pull another 5 amps.

Add it all together, your system will pull a maximum of 36 amps off a power supply’s +12V rail.

I recommend the Corsair 550W PSU for your config. It has 41 amps on its +12V and should drive your system nicely, which is 5 amps more than the maximum your system will use. Http://www.overclockers.co.uk/showproduct.php?prodid=CA-014-CS&groupid=701&catid=123&subcat=1084

PSU wattage matters little. It’s the +12V amps that matters, because that’s where your components draw most of their power from. There are many “850W” PSUs out there that can’t put out as many +12V amps as the Corsair 550W.

Nancy asks…

Will my Antec basiq (500w) psu power a single Ati Radeon 4870 hd?

I would really like to know if my power supply http://www.newegg.com/Product/Product.aspx?Item=N82E16817371004. Antec Basiq, with 500w 2 12v. rails with 18amps on each. I know that the 4870, requires 2 pci-e connectors, but mine has 1, so if i used the two molex to pci-e, would it allow the 4870 to function properly? My system is, Asus M3N78-VM, 4gigs of ram, Amd Athlon x2 4800+, (2.5ghz), 1hdd, 1optical drive, and 1 Sound blaster card. So could you guys please let me know, i have saved up around 200$, and i would really like to start playing games, with reasonable Fram Rates, (FPS),because i dont have a graphics card. So guys please if you can help me, i will give points to anyone who can give me some help, Thank you all in advance :) !


The real lowdown on how much power is needed for PC systems !

For your reference, following are details that illustrates approximately how much wattage you will need to run various normal common components in a PC system ( the components are on the left and the wattage required on the right):

The Motherboard: 15-30
Midrange to high-end CPU: 40-100
RAM: about 7 per 128MB
PCI add-in card: 5
High-End graphics board: 60-100
IDE/SATA hard drive: 10-30
Optical CD/DVD drive: 10-25

In this case, your card will take 50 W more than the norm.

So let’s calculate your system with a powerful motherboard, a (High-end) CPU, 4 Gigs of RAM, 3 PCI cards (including this (high-end) graphic card), 1 hard drive and 1 optical drive.

That would be 30+100+224(128MB X 8 X 4 = 4Gigs @ 7 per 128MB)+15(3 X 5)+150+30+25 = 574

So compare your entire computer specs with the list and refine the math on your own, you will then know what PSU you should get.


Leave yourself a bit of slack in your calculation for future hardware – Example: As calculated above, I would consider a PSU of at least 600 Watts and get up to 700 Watts if the price difference is slight.

Also, always go for good build not just cheap price, compare PSUs on cost AND quality.

Carol asks…

ATi Radeon HD 4870 OR nVidia GTX260 (Core 216)?

Hello everyone,

I’m putting together the final stages of my gaming computer and just torn on which card I should get.

My specs so far are:
CPU: Intel Core 2 Quad Q9450 @ 2.66GHz (will OC to 3.2 eventually)
Mobo: Asus IPIBL-LB
PSU: Ultra LPS 650 watt
Case: NZXT Tempest
Monitor: 1650×1050 res

I originally bought from HP but I’m basically taking the mobo and cpu from the stock HP m9300t and putting it in to the NZXT Tempest case as well as adding parts of my own.

I really want a video card that I won’t have to worry about upgrading for quite some time and still run all (or most of) the games at high, if not highest, settings. My mobo currently can not do dual video cards but I plan on upgrading the mobo at a later date.

So what do you guys think?
Would any of you be able to provide reasoning?

Also is my mobo compatible with either card?


In Benchmarks they are close, Id personally go with the GDDR5 4870.

Helen asks…

Would A Radeon HD 4870 X2 Video card be compatible with an Asus Crosshair II Formula Motherboard?

I’m looking into building a new computer and i really want ATI‘s new video card the Radeon 4870 X2 and I was also thinking about the Asus Crosshair II formula motherboard but im not sure if they are compatible because the motherboard has an Nvidia nforce 780a SLI chipset. I know you can run one ATI card on an SLI chipset but the Radeon 4870 X2 is two GPU’s in one card and im not sure if that is technically Crossfire which will not work on an SLI motherboard :( can anyone help me please?


The 4870×2 does all its bridging internally, and thus will run on one PCI-E 16X slot of any type. It does not need nor care about whether you have SLI, nor if you do, what type. Just make sure you have enogh 12V amps and airflow for the behemoth, and you should be all set.

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