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Is HD6670 good enough for 720p gaming?

Last response: in Graphics & Displays
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March 27, 2012 2:54:43 PM

Hello everybody. Is HD6670 good enough for a 720p gaming on medium to high settings for newer games (Skyrim, Rayman Origis, Trine 2, etc.) ?

CPU is Pentium Dual Core G850 2.9 GHz and 4gb of ram 1600MHz. Also i would like to know how much performance would the gpu gain if i overclock it?
a b 4 Gaming
March 27, 2012 3:13:48 PM

It's enough for medium to high settings on 720p. I suppose it's able to support max graphics on games like Rayman or Trine. Overclocking will let you increase its' performance for around 10-15% tops.
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March 27, 2012 3:13:54 PM

Good enough for low settings at 1280x720
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March 27, 2012 3:14:31 PM

You should be fine at that resolution. Overclocking will probably get you 5%-10% performance boost, maybe a bit more if you're lucky. Your processor is probably going to be the bottleneck in your system, though.
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March 27, 2012 3:20:09 PM

so would hd 6790 be much faster than hd6670?
And why would G850 be a bottleneck? 2.9GHz sandybridge is not that bad.
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a b 4 Gaming
March 27, 2012 3:22:59 PM

theconsolegamer said:
Good enough for low settings at 1280x720


Ignore this guy, he clearly doesn't know what he's talking about.

http://www.tomshardware.co.uk/skyrim-performance-benchm...

HD5570, which is a lot weaker than HD6670, gets average of 33 fps on 1280x1024, which is higher than 720p, on high settings on skyrim. So hd6670 will definitely run skyrim on high at OP's resolution!

The CPU is good, it will not bottleneck.

Also, HD6790 is 70-80% faster than HD6670.
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March 27, 2012 3:23:04 PM

It would be faster, but your CPU is the weak link here and will be what limits your system's performance.
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March 27, 2012 3:28:00 PM

70-80% faster? definetly worth litle extra cash.

So if the cpu is bottlenecking then, which one would perform better for similar price?
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a b 4 Gaming
March 27, 2012 3:28:17 PM

willard, his CPU isn't weak. Get real. It's sandy bridge, and it's one of the upper pentiums. G860 is even recommended for gaming CPU in tom's articles!
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March 27, 2012 3:28:23 PM

I don't see a G850 being a bottleneck at those low resolutions subject to you not playing games generally that are CPU intensive but would advocate a more powerful card. A 6770 or 6790 would be my minimum point for gaming personally. Typically GPU's (subject to model and manufacturer) with mature drivers can be overclocked 10-20% in my personal experience. Entry graphics cards (sub £75) typically only get 5-10% increase.
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March 27, 2012 3:31:49 PM

So should i stay with G850 and get a HD 6790?
If so i was thinking of powercolor or is sapphire worth the litle extra?
Also if i overclock a HD6790 would it be near good as hd 6850?
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March 27, 2012 3:37:16 PM

chinchilla_bob said:
I don't see a G850 being a bottleneck at those low resolutions subject to you not playing games generally that are CPU intensive but would advocate a more powerful card.

Actually, lower resolutions put more strain on the CPU, because the load is lighter on the GPU. This is why Tom's used to bench games at 1024x768 (roughly 720p), because it shifts the load from the GPU to CPU and lets you really compare CPUs for gaming.

I'm not saying the CPU is bad, I'm just saying that at the resolution he's talking about a low end dual core chip is going to be the determining factor for your framerates.
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a b 4 Gaming
March 27, 2012 3:39:31 PM

axew said:
So should i stay with G850 and get a HD 6790?
If so i was thinking of powercolor or is sapphire worth the litle extra?
Also if i overclock a HD6790 would it be near good as hd 6850?


That's exactly what you should do, you won't be sorry for that decision. For overclocking part, i've no idea.
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March 27, 2012 3:41:36 PM

willard said:
Actually, lower resolutions put more strain on the CPU, because the load is lighter on the GPU. This is why Tom's used to bench games at 1024x768 (roughly 720p), because it shifts the load from the GPU to CPU and lets you really compare CPUs for gaming.

I'm not saying the CPU is bad, I'm just saying that at the resolution he's talking about a low end dual core chip is going to be the determining factor for your framerates.

So if i up the resoulution to a 1440x900 a hd6790 with G850 would actualy perform better than on 720p?
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March 27, 2012 3:46:41 PM

willard said:
Actually, lower resolutions put more strain on the CPU, because the load is lighter on the GPU. This is why Tom's used to bench games at 1024x768 (roughly 720p), because it shifts the load from the GPU to CPU and lets you really compare CPUs for gaming.

I'm not saying the CPU is bad, I'm just saying that at the resolution he's talking about a low end dual core chip is going to be the determining factor for your framerates.


Agree - which is why I validated with the term intensive CPU games as that would immediately have a direct impact. I probably didn't explain as clear as I could have and do agree with the contents of your prompt :)  You put across better than I was trying to with that quote
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a b 4 Gaming
March 27, 2012 3:57:15 PM

I agree with Sunius' postS. You'll be fine with a HD6670; if you may play at higher resolutions, get a HD6770 or HD6790 if you can afford it and your PSU supports it.
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March 27, 2012 4:06:32 PM

axew said:
So if i up the resoulution to a 1440x900 a hd6790 with G850 would actualy perform better than on 720p?

Sorry, I seem to have confused you. So, here's a goofy analogy.

Think about your computer as a couple people competing in a three legged race, the kind where you tie one guy's right leg to somebody else's left leg, and race them. Consider one of the runners in the team the CPU, and the other the GPU.

Things work best when both runners are running at the same speed. If you, say, make your GPU side of things ten times faster but the CPU stays the same, then you won't be any faster overall because the GPU can't outrun the CPU. They're tied together.

Most games hit the GPU a lot harder than the CPU, so in general it's pretty hard for it to "outrun" the CPU. However, at very low resolutions, the GPU can run so incredibly fast that the CPU starts to get in its way.

Your goal as a system builder is to make sure the GPU is powerful enough to run the games you want at the settings you want, but not so powerful that it's trying to outrun the CPU. My concern is that the G850 is slow enough that (for a 720p resolution), it won't be able to keep up with your card. The more powerful your video card is, the more likely it's going to be outrunning your CPU.

As a result, I'd say that the 6670 or 6790 are about the most powerful video cards you should be looking at, for 720p.
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March 27, 2012 4:47:39 PM

but hd 6790 and g850 are still a good combo?
so iv looked and i found a phenom II x2 560 at the same price as g850.
If i get an aftermarket cooler for that phenom and overclock it would it be better than G850? Also i heard that phenom II x2 560 has a chance to unlock 2 additional cores.
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a b 4 Gaming
March 27, 2012 5:16:38 PM

NO NO NO NO NO NO NO NO NO! :) 

Phenom is way worse than that Pentium for gaming. You got a nice processor, and it will work wonders for you together with hd6790.
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March 28, 2012 6:50:33 AM

Thank you all. I will get g850 and hd 6790 hope they will work well on 720p aswell ate 1440x900 onn some games :D . So all answers were helpful so il just randomly select one xD
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March 28, 2012 6:50:44 AM

Best answer selected by axew.
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April 21, 2013 8:53:50 AM

I have a HD 6670 and I can run Most games 1980x1080p at high graphics, skyrim doesn't require a lot as I can run it on an old laptop with inergrated graphics
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