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Crossfire 5770 or 4890?

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November 29, 2009 3:50:24 PM

Hey everyone, after my 4890 has blown up, i am stuck between getting another 4890 or going for the dx11 xfx 5770, anyone know how good the 5770 will perform in crossfire? i know that it is going to way out perform the 4890, but i need to know if its going to foot the bill by the time dx11 becomes the standard. I mean most games wont be using directx 11 as standard for a while yet, but if crossfiring these cards performs amazingly! then i will definately go for one now, and one later! oh yeah, when im using crossfire my board runs the cards in pcie 8x will i lose a lot of performance over a single card running 16x? dont quite get that.
Cheers guys

More about : crossfire 5770 4890

a c 130 U Graphics card
November 29, 2009 3:54:34 PM

Instead of crossfiring two 5770's, buy an HD5850, and crossfire that later. The performance is phenomenal over your 4890, and you have expanding room later.
November 29, 2009 4:06:08 PM

problem there is i have store credit at ebuyer, they dont stock that card, and if they did, it is way more expensive than the 4890 that i have being repaired by them, i stupidly forgot to include that, sorry, yeah basically as the 4890 died, sent it to ebuyer, asked for a replacement, or refund then buy another card, so those are my options, as the card is giving me £145.77 to play with, i need a new card in the next few days, so cant afford to wait and get more cash as i have uni work to do, and need to video edit with the card!
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a c 130 U Graphics card
November 29, 2009 4:12:47 PM

Well in that case, I really don't know. The 5770 is a downgrade from an HD4890, though it has DX11. Your only bet is to get an HD5850, or similar.

Hm...

I guess the crossfire 5770 would be better. It's premature drivers might let it be as powerful as the 4890 crossfire, especially because the 5770 has some 80+% scaling.
November 29, 2009 4:30:24 PM

my max resolution is 1680x1050 on a 21 inch widescreen, forgot that little point to, damn im slow on sundays
a c 130 U Graphics card
November 29, 2009 4:41:07 PM

Yeah, The 5770 crossfire will max almost anything (Crysis excluded) on that res.
a b U Graphics card
November 29, 2009 5:14:16 PM

dacca said:
Hey everyone, after my 4890 has blown up, i am stuck between getting another 4890 or going for the dx11 xfx 5770, anyone know how good the 5770 will perform in crossfire? i know that it is going to way out perform the 4890, but i need to know if its going to foot the bill by the time dx11 becomes the standard. I mean most games wont be using directx 11 as standard for a while yet, but if crossfiring these cards performs amazingly! then i will definately go for one now, and one later! oh yeah, when im using crossfire my board runs the cards in pcie 8x will i lose a lot of performance over a single card running 16x? dont quite get that.
Cheers guys


A 5770 will not way out perform the 4890. The 4890 will outperform the 5770. A 5770 performs equal to a 4870, so a 4890 performs about 15-20% better than both. PCIe x8 is fine unless you're trying to run a 5870 or dual-GPU card on it.
November 29, 2009 10:42:11 PM

I would wait until they do stock the 5850 and for the prices to drop.
November 30, 2009 12:09:22 AM

i would love to wait man, but as i said i need the card in the next few days! right i think 5770 xfire it is then, would rather be a little futureproof! after seeing the bench results and the fact that duel 5770's will use around the same power as my old 4890! think i know what im choosing! cheers everyone :) 
January 28, 2010 12:40:44 AM

dacca said:
i would love to wait man, but as i said i need the card in the next few days! right i think 5770 xfire it is then, would rather be a little futureproof! after seeing the bench results and the fact that duel 5770's will use around the same power as my old 4890! think i know what im choosing! cheers everyone :) 


Did you crossfire the 5770 ? Just curiuos.. I have a similar setup and am somewhat dissapointed in its performance. I cant run age of conan on full settings without going into the teens on fps... Wonder if I got another and crossfire it would it help my situation...
January 28, 2010 12:49:42 AM

My setup ..

AMD Phenom II X4 955
Asus M4A79XTD EVO
Gskill DDR3-SDRAM PC3-10700[DDR3-1333]
XFX HD-577A-ZNFC Radeon HD 5770 (Juniper XT) 1GB 128-bit GDDR5 PCI Express 2.0 x16 HDCP Ready CrossFireX Support Video Card
Win 7 64 bi
January 31, 2010 12:31:15 PM

i nevercrossfired yet! money got a bit tight, theres some awesome reviews on line though that are really helpful, my card with a phenom 2 964 and 4gig of ddr2 1066 crucial ballistix runs arma 2 at max settings with mid aa at around 25fps so crossfire should be interesting, im definately going there, hopefully sooner rather than later, tempted to go tri fire if im honest ;) 
January 31, 2010 9:29:51 PM

Yes get the 5770 no matter what these people are saying. Vapor x model from sapphire, if possible, because I never hear it. Currently mines in for RMA because I screwed up the card with bios, and it isn't recognized anymore to flash back, but for the few days I had it it rocked. Dragon Age Origins maxed at 1080p was somewhere around 40 fps. A lot of games have crashing issues right now because of the drivers but they will be updated and it's not THAT common. If possible get a 4870 x2 for ~the same price off ebay though, it's faster than crossfire 5770s.

5770:
Good-
Low, low, low power because it's 45nm (or 40, I forgot). One will run on a 380 watt PSU I bet. Crossfire on a 600 easily.
Pretty cool because it's smalller nm again.
Big, but not giant. Fits most cases.
DX 11 for future games in around 1-2 years.
Crossfire support, so you can get 2 of them for less than 5870 yet they out perform it.
Cheap... same price as a 4870 surprisingly?
Handles anything at 1080p maxed except Crysis. Warhead runs ok though!
Bad-
Still, it has 128 bit memory. It's GDDR5 which is good, but since it's mot 256-bit the memory bandwidth suffers a bit, making is a little worse than the 4870. Supposedly future games are less bandwidth dependent, but as of right now they're not.
A little bit of crashing with 9.2 drivers, but I guess 10.1 just came out and I haven't tried it. Perhaps flawless?
February 3, 2010 3:52:10 PM

i just bought 2 xfx 5770
with my x4 965 4gig ram

I am quite happy with performance

l4d1 and 2 fps never drop below 120, bad company 2 glitchin but it will be fixed at release

as i said I am happy

My 260 gtx used to drop into the 40fps barrier which i didnt like

oh and I am running the 2 on a 500w thermaltake psu

runs sweet
February 3, 2010 8:49:24 PM

nice thanks dude, thats an identical setup to what i will have once i get my second one :)  could you run a 3d mark and a 3d mark vantage please? ooh and a heaven benchmark if you get the time ;)  im really keen to know what the difference is between single and crossfire
February 5, 2010 7:38:12 AM

not sure what this means but with xfire enabled in 3dmark 06
i get
3DMark Score 15789
SM 2.0 Score 6269
SM 3.0 Score 7211
CPU Score 4656

with it disabled i get

16089 3DMarks
SM 2.0 Score 6347
SM 3.0 Score 7431
CPU Score 4688

so i dunno, no overclocks
February 5, 2010 8:06:45 AM

really? thats really weird! you get a lower score with it disabled?
February 5, 2010 8:07:58 AM

its possible that your psu may be to small dude! i dont know if this would affect performance but that sounds really odd
February 5, 2010 8:40:44 AM

er just found out that my mobos 2nd pci e only runs at x4
i feel robbed
asus M4A785TD-V EVO
February 5, 2010 9:02:42 AM

ah dude that sucks! mine runs at 8x and 8x when i go crossfire, think it may be time to invest in a new mobo to be honest! gotta get the most out of it!
February 5, 2010 10:30:47 AM

6000 points for vantage
lol
my e8400 and 260 got more than that
February 5, 2010 1:44:19 PM

sorry just reseated cards and got 20,000 3dmark 06
still gunna get a refund on mobo and see what a full pcie x16 x16 will do, probably not alot but it will keep me busy
a b U Graphics card
February 5, 2010 1:52:59 PM

Is CF5770 at 4x/4x better than a single one at x16? probably, since a single 5770 doesn't saturate an 8x slot, nevermind a x16, but the reality is that a x16/x4 motherboard should just be advertised as x4/x4 crossfire, since cf doesn't allow any member of the multi-cpu setup to do more work than another member. Thus, if the x4 is a limitation on one card (undoubtedly would be) it will be a limitation on both.

I heavily researched the issue as I bought a x16/x4 motherboard without truly understanding the nature of CF at the time, as the board was advertised as crossfire capable (not crossfire proficient, heh).

Let us know how it goes. If you can get 20k 3dmark06 with x4/x4 cf5770s, I am intrigued to see how a proper CF board will perform.
February 8, 2010 2:56:08 PM

hi

didnt go 16 16 went 8 8 with an asus 79xtd evo, fps unchanged and 3d mark unchanged too, so looks like x16 x4 is just as good as x8 x8
well have fun !
a b U Graphics card
February 8, 2010 3:07:08 PM

Hmmph. Some more details would be nice (replicate the benchs you did before) because every detail about CF on x16/x4 on the web says the exact opposite. Is it possible a single 5770 really doesn't saturate a x4 PCI-E lane?

Do you have the same FPS as before or after you reseated the cards? The fact that reseating the cards fixed the problem on your old board means that this whole discussion was moot, hah.
February 8, 2010 4:16:57 PM

shadow187 said:
Yeah, The 5770 crossfire will max almost anything (Crysis excluded) on that res.



well will the 5850 max out everything(including Crysis)on that res?
February 8, 2010 5:58:25 PM

well, i ran the same 3dmark 06
scores first time with x16 x4 19400
scores with x8 x8 today 19100
both tests are the same freebee test at 1280 in 3dmark06
you will forgive me if i dont sound over the moon with the results. Havnt tried any other benches as I have a terminally sick motherboard which I am trying to revive

before card was reseated I was getting

3DMark Score 15789
SM 2.0 Score 6269
SM 3.0 Score 7211
CPU Score 4656

with it disabled i get

16089 3DMarks
SM 2.0 Score 6347
SM 3.0 Score 7431
CPU Score 4688

which is the going rate for one 5770 i think

and at present I am getting about 3k more for the 2nd one.

gunna run it one last time and if the numbers are shocking, i will repost...


besides all of that I am v happy with the performance of the 2 cards
a b U Graphics card
February 8, 2010 6:13:11 PM

I could never get my crossfire to activate on my old OS (xp64) with a borrowed 4870. Might have to give it another shot now that I have windows 7, hah! Will report back if I can get my buddy to bring his by any time soon.
February 8, 2010 6:57:27 PM

re ran test still 19100
it wasnt the reseating of the card by the way, that was just coincidence. it appears that my 2nd card wouldnt work untill i re activated win7. weird but there u go
a b U Graphics card
February 8, 2010 7:24:18 PM

The 5830 is about to drop anytime soon... You might want to check that card out....
!