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Radeon HD 6770 on my pc build?

Last response: in Graphics & Displays
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February 14, 2012 6:36:35 PM

Operating System
MS Windows 7 Home Premium 64-bit SP1

CPU
Intel Core i5 2300 @ 2.80GHz
Sandy Bridge 32nm Technology

RAM
8.00 GB Dual-Channel DDR3 @ 665MHz

Motherboard
Gateway DX4860 (CPU 1)

Graphics
Acer S202HL (1600x900@60Hz)
Intel(R) HD Graphics Family

Hard Drives
977GB Western Digital WDC WD10EADX-22TDHB0 (SATA)

Optical Drives
ATAPI DVD A DH16ABSH

PSU
300 watt generic Gateway

I know my PSU sucks but can't afford another one.

More about : radeon 6770 build

February 14, 2012 6:49:38 PM

6770 is marginal for that power supply, may work, may not work. The card alone will use over 100w. Use the i5 video till you can replace the power supply, or take a shot at trying to use the 6770, but it may cause crashes, and can damage the card and motherboard if you end up with power issues.
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February 14, 2012 6:53:34 PM

^Yeah, it's a good idea to get even a cheap 430CX from Corsair. But as for performance a 6770 would be great for that system.
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February 14, 2012 7:03:48 PM

http://www.amd.com/us/products/desktop/graphics/amd-rad...
the 6770 asks for a minimum of 450w psu. if u dont have a psu with enough power for the computer u could risk ur system not being at full potential, might as well have a 5550 instead of a 6770. Also risking instability and possible dmg to your hardware.
u should upgrade ur psu if u upgrade ur gpu otherwise i wouldn't even upgrade it.
this if ur still trying to not to spend $: http://www.newegg.com/Product/Product.aspx?Item=N82E168...
recommend this though: http://www.newegg.com/Product/Product.aspx?Item=N82E168...
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Best solution

February 14, 2012 7:13:14 PM

A quality 300W PSU can run a HD6770 with no trouble at all; the key word though is "quality." Yours may not be up to snuff, in which case a GDDR5 version of the HD6670 would be your best, safe choice.
What size PSU does that Gateway take? If standard, $45 will get a 380W Antec Earthwatts; enough for even a HD6850. If it is a smaller PSU (TFX or SFX), Seasonic and FSP both have well-reviewed 300W 80+ Bronze PSUs in those sizes that could handle a HD6770. They are also in the $43-$47 range.
If your budget is too tight to replace the PSU, in your place I'd stick with the HD6670. That card still offers decent performance.

Edit: Make sure you get a GDDR5 version, not DDR3.
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February 14, 2012 7:19:00 PM

Onus said:
A quality 300W PSU can run a HD6770 with no trouble at all; the key word though is "quality." Yours may not be up to snuff, in which case a GDDR5 version of the HD6670 would be your best, safe choice.
What size PSU does that Gateway take? If standard, $45 will get a 380W Antec Earthwatts; enough for even a HD6850. If it is a smaller PSU (TFX or SFX), Seasonic and FSP both have well-reviewed 300W 80+ Bronze PSUs in those sizes that could handle a HD6770. They are also in the $43-$47 range.
If your budget is too tight to replace the PSU, in your place I'd stick with the HD6670. That card still offers decent performance.

Edit: Make sure you get a GDDR5 version, not DDR3.


I think i will go with the HD6670 "GDDR5" just because i can get it for $50 after MIR on newegg, and still get comparable performance (just looking to play some BF3 or Skyrim not even on ultra)
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February 14, 2012 7:45:58 PM

Onus said:
A quality 300W PSU can run a HD6770 with no trouble at all; the key word though is "quality." Yours may not be up to snuff, in which case a GDDR5 version of the HD6670 would be your best, safe choice.
What size PSU does that Gateway take? If standard, $45 will get a 380W Antec Earthwatts; enough for even a HD6850. If it is a smaller PSU (TFX or SFX), Seasonic and FSP both have well-reviewed 300W 80+ Bronze PSUs in those sizes that could handle a HD6770. They are also in the $43-$47 range.
If your budget is too tight to replace the PSU, in your place I'd stick with the HD6670. That card still offers decent performance.

Edit: Make sure you get a GDDR5 version, not DDR3.


Terrible advice, using a 300W PSU (I don't care if it is made of gold) with a video card that recommends a 450W PSU is flirting with disaster plus you are most likely no longer covered by the card's warranty if you do so.

First make sure your case accepts standard ATX power supplies.
Next, make sure you have a free PCIe X16 2.0 slot on your motherboard.
Then, if the above hold true, get a minimum 500W PSU from a quality manufacturer like Corsair, Antec or Enermax.
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February 14, 2012 8:08:10 PM

Kulmnar, you are mistaken. The PSU calculator at http://www.extreme.outervision.com/psucalculatorlite.js... clearly indicates that a 300W PSU would have absolutely no trouble with a HD6670. Video card manufacturers post inflated recommendations in the vain attempt to anticipate the overrated PSU-shaped objects out there by companies like Apevia, Logisys, Diablotek, and other Chokemax brands.
Keep in mind that with no PCIE power connector, the most a HD6670 could possibly require is 75W. Add a 95W CPU and a 50W mobo, you're still at only 220W; a few hard drives and fans and maybe you hit 250W, and that's running flat out, e.g. when benchmarking. Playing games, you may not need 200W. So yes, a quality 300W PSU is absolutely sufficient.

Edit: Incidentally, the only HD6670s I see on Newegg for $50 after MIR are DDR3; you don't want one of those.
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February 14, 2012 8:12:23 PM

Best answer selected by dmooney96.
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February 14, 2012 8:37:33 PM

This topic has been closed by Mousemonkey
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