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crossfired ati hd 5770

buzzlightweight

buzzlightweight

buzzlightweight

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i have just bought the above gpu and am very happy with it BUT i am very tempted to buy another!
( we need more power scotty! ) :D

i have read lots on peps saying the difference wont be noticeable and lots on peps saying its great.

i would just like a few peoples opinions please if you run an sli or crossfire set up.

is it much more noisy? drain on power etc?
 
Difference is very noticeable as you would be looking at 5870 performance and above with 5770 xfire. Regarding noise and power use, 5770's use very little power and they mostly run cool so should run relatively quiet.
 
You should sell the 5770 and get a 5850 and overclock :-)

That would completely erradicate any fear of 'problems'.

It also allows you to get another 5850 in the future if you wanted to uprate again :D
 
Firstly what res do you game at and what psu do you have?

I ran crossfired 5770's for 9 months, really performed well. I only sold them as i wanted a single gpu to watercool and needed the pci-e slots. i only had issues with the 10.6 driver other than that the setup was great.
 
What motherboard / cpu are you using ? Need to know that to make sure it'll be worthwhile / the board supports crossfire. What version do you have - 1gb or 512mb ?

I've been running 2 1gb 5770's since December last year & have been very happy with the performance you get out of them - sits between a 5850 & 5870.

For benchmarks / power consumption levels, do a search on Google for '5770 crossfire'. There's a recent updated test ( 2nd link ) that shows it around 370watts for a complete system with 2x5770's. Also gives up to date benchmarks in a few games.

For drivers, stick to Catalyst 10.4a, 10.5 hotfix or the recent 10.8's. Avoid the 10.6 & 10.7 drivers like the plague. Grab RadeonPro for creating game profiles as much easier to work with than ATi's Catalyst Control Centre.

One thing to remember is that 2 cards doesn't mean double the performance. Say you had 50fps with one 5770 in a game. With 2 5770's, you'd get around 80fps, but this varies depending on the game.

Lastly, shop around. A 5770 can be had for around £118 new.
 
listen to those that have used the setup in question, too many reply with no actual experience of the setup in question on these boards.
 
Just to be clear, I'm not dissing the crossfire setup. Crumbs, I was just playing around with SLI recently, and considering going 3870 crossfire for a laugh. If you get it setup right it will be awesome, no doubts there. If you are more into just turn on and play, no hassles, then get a single card solution.

Me, I like tinkering :D I also realise that tinkering isn't for everyone. i.e. When I build PC's for people I normally suss out what they want, and if they are technically proficient or not. If not, then I won't put too high an overclock on because I realise they won't be interested in cleaning there cases/cards often (or even at all), and try to keep the other component setup simple (i.e. fool proof where possible).

Good post by MoodyB :-)
 
i will be buying my second gpu once i have installed my new mobo and cpu which is an different question i have posted in the cpu section.

i am just trying to get some background info before i buy anything.

thank you for all the responses
 
Just to confuse you more...

If you could sell the 5770 you have, take Scougar's advice and get a 5850 but ONLY IF you're happy with overclocking. A 5850 can be bought for close to £200 now(shop around), so if I was faced with the same decision now I'd go for a 5850 and overclock it.

My reason for going crossfire 5770 was because the 5850 was in short supply at the time & it was more expensive than 2 5770's. That's not the case now.

All this might be irrelevant if the motherboard doesn't support Crossfire properly, so which board is it you have / are buying ?
 
RavenXXX2 said:
Difference is very noticeable as you would be looking at 5870 performance and above with 5770 xfire. Regarding noise and power use, 5770's use very little power and they mostly run cool so should run relatively quiet.
Click to expand...

True but after I while (like 3 months) I would advise you replace the TIM with some MX-3 or equivalent as the card does get warm even under idle conditions (low/mid 50’s room temp 23c).
 
buzzlightweight said:
FYI my core 2 quad might be Adequate so i will just upgrade my mobo

http://www.overclockers.co.uk/showproduct.php?prodid=MB-278-AS&groupid=701&catid=5&subcat=1155
Click to expand...

I wouldn't spend £87 on tech that old, look for a 2nd hand P45 Biostar or some other decent overclocking board on the members market or elsewhere, that will tide you over for at least a year or more. The only problem is Crossfire doesn’t work very well with P45 so if you do want to go down that route I suggest look at X48 boards.
 
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