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Author Topic: Which cards are better for mining?  (Read 1483 times)
ragingazn628
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November 11, 2011, 02:53:28 PM
 #1

As far as overclock ability and energy consumption goes 5770s or 5830s?
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November 11, 2011, 04:34:44 PM
 #2

5830 is better see here https://en.bitcoin.it/wiki/Mining_hardware_comparison

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November 11, 2011, 04:43:51 PM
 #3

we should get that page stickeied already

http://bitcoin-otc.com/viewratingdetail.php?nick=DingoRabiit&sign=ANY&type=RECV <-My Ratings
https://bitcointalk.org/index.php?topic=857670.0 GAWminers and associated things are not to be trusted, Especially the "mineral" exchange
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November 11, 2011, 08:59:05 PM
 #4

we should get that page stickeied already

lmao.. it shouldn't need a sticky..  it's the second result on google for "which cards are better for bitcoin mining", right under the profitibility calculator..

it'd be better to sticky an 'interwebs training course'

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November 11, 2011, 08:59:44 PM
 #5

we should get that page stickeied already

lmao.. it shouldn't need a sticky..  it's the second result on google for "which cards are better for bitcoin mining", right under the profitibility calculator..

it'd be better to sticky an 'interwebs training course'

The google needs a sticky (in every forum on the googlewebs).
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November 14, 2011, 10:54:11 AM
 #6

I don't know where all of you are looking,

a 5770 is better then a 5830 because the 5830 need a lot of more power.
e.g.
5770: 100-110W for 200+MH/s > nearly a 2/1
5830  170W for 300 MH/s and nearly 200W for 340MH/s > 1.7/1

with 5850/5870/5970 you get about 2.1-2.2/1

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November 15, 2011, 06:45:11 AM
 #7

I don't know where all of you are looking,

a 5770 is better then a 5830 because the 5830 need a lot of more power.
e.g.
5770: 100-110W for 200+MH/s > nearly a 2/1
5830  170W for 300 MH/s and nearly 200W for 340MH/s > 1.7/1

with 5850/5870/5970 you get about 2.1-2.2/1
He's right, We all misread the question.

http://bitcoin-otc.com/viewratingdetail.php?nick=DingoRabiit&sign=ANY&type=RECV <-My Ratings
https://bitcointalk.org/index.php?topic=857670.0 GAWminers and associated things are not to be trusted, Especially the "mineral" exchange
micc
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November 15, 2011, 07:57:34 AM
 #8

for people who have free electricity I think  5770/6770 is the way to go, those cards put out 230 mhz each.
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November 15, 2011, 08:36:30 AM
 #9

6770 is easy to get and most cost effective, i think.

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November 15, 2011, 09:16:25 AM
 #10

On top of this, you can get the 5770 and 6770 in a single-slot format... it's made by XFX who I swore I'd never buy from again, but none of my single slot 5770s have failed and ALL will happily clock up past 960 MHz continuous 24/7 for 200 MH/sec.

I've got four of the things installed in a standard Antec tower case, using a 600W PSU, a few fans and tickety-boo. 59-65˚C with very little variation, solid and reliable with no nonsense.

So whilst I've got a hatred for XFX parts (out of 10 5830/5850 cards, 6 have failed) - their single-slot 5770 seems to be much better engineered. Pictures of their single slot 6770 appear identical to the 5770 so I assume the same fansink combo, and if the 6770 runs cooler due to a process shrink (does it?) then it should be even more efficient.

NOTE - these single-slot cards exhaust backwards. Most twin-slot cards blast hot air out of the bracket end, so you want to blow cool air at the power-connector end of the card. The XFX single slot cards don't have any space on the bracket to exhaust from, and instead use radial-type fans to take air perpendicularly from the card and blow it horizontally right and down (looking directly at the fan) - i.e. towards the power connector, and if mounted in a PC case, towards the front of the case.

So a normal PC case filled with these needs a fan on the side blowing air IN onto the cards, and a bunch of fans on the FRONT of the case sucking air OUT. Usually you build the front fans blowing air in - this will overheat the XFX single-slot cards by stagnating the case air. Suck out the hot air as it's produced and you get a very reliable machine, even with four of the cards in one case. I reckon a bigger PSU, taller case and one of those Slim Shady logic boards would allow 6 of the single-slot cards in a case without hacking around, PCIe extensions and the rest.

Remember each 5770/6770 requires only ONE PCIe power cable. The logic board would be expensive, as the 6+ slot units always are. But PSUs with 6x 6-pin PCIe power are easy to find, you'd only need an 800W or so PSU anyway (cheap) and the whole thing should be feasible to keep cool with just a few extra fans. If mine aren't lucky cards, they'll all do 200 MH/sec so you can get a 1.2 GH/sec tidy tower case that doesn't need a £200 PSU... only the logic board is expensive.

On top of this, the cards run a LOT quieter than the dual-slot cards, even at 100% fan.

If you're building open frame rigs, they're not of much value, but for PC cases.... I'd go with these every time (and have done).

...so I give in to the rhythm, the click click clack
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November 15, 2011, 11:19:53 PM
 #11

I'm planning to build another rig with maybe 6-7 5770/6770 gpus, what kind of cheap PSU and Motherboard you guys think I should get?
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November 17, 2011, 06:10:17 AM
 #12

for people who have free electricity I think  5770/6770 is the way to go, those cards put out 230 mhz each.
You are very stupid.

http://bitcoin-otc.com/viewratingdetail.php?nick=DingoRabiit&sign=ANY&type=RECV <-My Ratings
https://bitcointalk.org/index.php?topic=857670.0 GAWminers and associated things are not to be trusted, Especially the "mineral" exchange
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November 17, 2011, 06:24:12 AM
 #13

for people who have free electricity I think  5770/6770 is the way to go, those cards put out 230 mhz each.
You are very stupid.

I believe misguided or ignorant would be the term you are looking for...but choose any of the above; it beats being a dick.

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Fiyasko
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November 17, 2011, 08:00:26 AM
 #14

for people who have free electricity I think  5770/6770 is the way to go, those cards put out 230 mhz each.
You are very stupid.

I believe misguided or ignorant would be the term you are looking for...but choose any of the above; it beats being a dick.

No, Typo perhaps, otherwise, Not ignorant (aside from perhaps by me) and misguided?, Lawl, Then your a idiot for not realising that your 800+mhz card " put out 230 mhz each." is incorrect

http://bitcoin-otc.com/viewratingdetail.php?nick=DingoRabiit&sign=ANY&type=RECV <-My Ratings
https://bitcointalk.org/index.php?topic=857670.0 GAWminers and associated things are not to be trusted, Especially the "mineral" exchange
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