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Unable to reach a decision.

post #1 of 13
Thread Starter 
Okay, I am looking at two cards.
Not really for gaming, but for mining.

My two preferred options are : 6770 and a 7770
I understand that the 7770 cost a little more but gives me more performance per watt, but The 6770 also offers a improved hash-rate, at a slightly greater power requirement and cost less.
However. I may game every now and then. Its nothing too fancy.

Some older games like Nfs Shift, Oblivion(Lol), Overgrowth, and that is it.

Power or efficiency?!
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post #2 of 13
Your rig already lists a 6770. If you are considering buying a 7770 to replace it, dont bother. Its not going to make much of a difference. 5-10%

If you are buying a GPU for a different machine, out of those two Id say the 7770. If you can go ~$50 more, the 7850 is about 2x as powerful.
post #3 of 13
Thread Starter 
Quote:
Originally Posted by RX7-2nr View Post

Your rig already lists a 6770. If you are considering buying a 7770 to replace it, dont bother. Its not going to make much of a difference. 5-10%

If you are buying a GPU for a different machine, out of those two Id say the 7770. If you can go ~$50 more, the 7850 is about 2x as powerful.

No, this upcoming card is going into a different rig.
The 5-10 percent performance increase sounds good.
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post #4 of 13
The HD7770 is awesome because it can be overclocked to 1.1Ghz easily.
post #5 of 13
Thread Starter 
Quote:
Originally Posted by Capt View Post

The HD7770 is awesome because it can be overclocked to 1.1Ghz easily.

In my opinion, It doesn't make it very "awesome" since it only has that much headroom. Its already at 1 Ghz, But I think I will purchase the 7770, to stay current with times thumb.gif
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post #6 of 13
the HD 7770 is atleast 25% faster than HD 6770 / HD 5770.

http://www.techpowerup.com/reviews/AMD/Catalyst_12.11_Performance/23.html

1920 x 1200

GTS 450 - 29
GTX 550 Ti - 34
HD 7770(12.11) - 43 (34 x 1.25 = 42.5)

The HD 6770 is in fact slightly slower than GTX 550 Ti. Also the HD 7770 has more OC headroom than HD 6770. the average HD 7770 OC is 1.15 ghz. max overclock is 1.3 Ghz. the HD 6770 max overclock itself is 1 Ghz. So with OC the perf gap would be 30 - 35%. Performance in DX11 titles is much better on HD 7770 because of a superior DX11 archtecture. improved tesselation and direct compute performance.
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post #7 of 13
Thread Starter 
Quote:
Originally Posted by raghu78 View Post

the HD 7770 is atleast 25% faster than HD 6770 / HD 5770.

http://www.techpowerup.com/reviews/AMD/Catalyst_12.11_Performance/23.html

1920 x 1200

GTS 450 - 29
GTX 550 Ti - 34
HD 7770(12.11) - 43 (34 x 1.25 = 42.5)

The HD 6770 is in fact slightly slower than GTX 550 Ti. Also the HD 7770 has more OC headroom than HD 6770. the average HD 7770 OC is 1.15 ghz. max overclock is 1.3 Ghz. the HD 6770 max overclock itself is 1 Ghz. So with OC the perf gap would be 30 - 35%. Performance in DX11 titles is much better on HD 7770 because of a superior DX11 archtecture. improved tesselation and direct compute performance.

Ordered The Sapphire Radeon HD 7770. Unfortunately I decided to read more about the gpu AFTER I purchased it and learned that the voltage is locked on the card.
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post #8 of 13
Quote:
Originally Posted by Truedeal View Post

Ordered The Sapphire Radeon HD 7770. Unfortunately I decided to read more about the gpu AFTER I purchased it and learned that the voltage is locked on the card.

has the order shipped. if not you can cancel it . get this XFX HD 7850 1GB card for USD 150 after rebate

http://us.ncix.com/products/?sku=77797&promoid=1312

edit: your psu is very poor quality. change it first . just 18A on +12v rail (18 x 12 = 216w) . thats not good.

http://www.newegg.com/Product/Product.aspx?Item=N82E16817822005

get a psu which supplies 30A on +12v rail . the ANTEC VP450P is a decent psu.

www.amazon.com/Antec-VP-450-Energy-Certified-Supply/dp/B004IZN3K2/
Edited by raghu78 - 2/8/13 at 9:46am
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post #9 of 13
Thread Starter 
Quote:
Originally Posted by raghu78 View Post

has the order shipped. if not you can cancel it . get this XFX HD 7850 1GB card for USD 150 after rebate

http://us.ncix.com/products/?sku=77797&promoid=1312

edit: your psu is very poor quality. change it first . just 18A on +12v rail (18 x 12 = 216w) . thats not good.

http://www.newegg.com/Product/Product.aspx?Item=N82E16817822005

get a psu which supplies 30A on +12v rail . the ANTEC VP450P is a decent psu.

www.amazon.com/Antec-VP-450-Energy-Certified-Supply/dp/B004IZN3K2/

It is already here, I didn't log on soon enough to read your post. However, this 7770 is not bad.
I will look into a higher quality power supply another time as its not a nessessity.
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post #10 of 13
What is mining?
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