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Is my PSU sufficient for amd radeon hd 6670

Last response: in Graphics & Displays
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July 9, 2012 2:33:40 AM

I want to do some light gaming and got a deal on a HD 6670. I want to know if my current power supply is sufficient (+12 combined (?)) or if I should upgrade it. I'm new to all this so thanks for the advice.

PC specs:
motherboard: msi g41m4-f
CPU: intel e8400
graphics card: amd Radeon hd 6670
RAM 2x 2gb= 4gb
320 gb hard drive
cd/dvd rw drive

My Power Supply:
Okia-450ATX(450W Max)
+3.3V : 28A
+5V : 50A
+12V : 18A
-12V : 1.0A
-5V : 0.8A
+5VSB : 2.5A

5v & 3.3v combined load 230w
5v + 12v & 3.3v combined load 422w
a b U Graphics card
July 9, 2012 4:19:09 AM

It should be more than enough. When you are dealing with the 68xx, then you should consider an upgrade.
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July 9, 2012 4:04:43 PM

Yes this video card will run just fine. As im running a amd 7750 with a 300 watt psu(7750 is more power efficient). But with a 450 watt psu you will be just fine.
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a b U Graphics card
July 9, 2012 4:48:35 PM

yes itll work
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July 9, 2012 4:52:54 PM

Thanks. I was wondering if the +12 combined (?) is what it should be because I read that is what matters. I assume it is but am unsure how to tell.
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a c 765 U Graphics card
a c 2021 ) Power supply
July 9, 2012 5:00:24 PM

Without a doubt yes that card has a low power draw.
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July 9, 2012 5:16:20 PM

Great. Thanks :) 
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Best solution

a c 549 U Graphics card
a c 1180 ) Power supply
July 9, 2012 5:41:56 PM

For a system using a single Radeon HD 6670 graphics card AMD specifies a minimum of a 400 Watt or greater power supply. The power supply should also have a combined +12 Volt continuous current rating of 18 Amps or greater.

Total Power Supply Wattage is NOT the crucial factor in power supply selection!!! Total Combined Continuous Power/Current Available on the +12V Rail(s) @ 50°C ambient temperature, is the most important factor.

The Broadway Com Corp 450W ATX (OKIA-450ATX), with its +12 Volt continuous current rating of 18 Amps Max, is borderline sufficient to power your system configuration with a single Radeon HD 6670. This is assuming that this PSU is even capable of delivering the power specified on its label.

That OKIA-450ATX is a horrible power supply. Too many reports of them dieing and blowing up.
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July 9, 2012 5:48:34 PM

Thanks for the details ko888. I knew it was a low end psu but I was hoping it wasn't too bad. Since it is borderline, I will likely be getting a better one.
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a c 549 U Graphics card
a c 1180 ) Power supply
July 9, 2012 5:51:27 PM

noirose said:
Thanks for the details ko888. I knew it was a low end psu but I was hoping it wasn't too bad. Since it is borderline, I will likely be getting a better one.

Just don't try to run FurMark or OCCT GPU3D or equivalent stress testing.
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July 18, 2012 11:59:51 PM

Best answer selected by noirose.
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July 28, 2012 10:43:35 PM

Would an Antec 500w Basiq BP500U v2.3 be any better ( I want something better than borderline) ? I'm able to get a brand new one for $30.

It has similar specs but has 2 18A rails instead of the Okia's one.


The Okia's combined loads are better though?
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a c 549 U Graphics card
a c 1180 ) Power supply
July 28, 2012 10:58:09 PM

The Antec Basiq Series 500 Watt (BP500U) v2.3 new version with Active PFC, with its combined +12 Volt continuous current rating of 29 Amps and with one 6-pin PCI Express supplementary power connector, is more than sufficient to power your system configuration with a single Radeon HD 6670.
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July 29, 2012 12:08:38 AM

Thanks again ko888 :)  29 amps sounds much better and for my budget it sounds like a good price. I will get it.
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