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Forums >> Revit Building >> Technical Support >> AMD DUAL CORE V INTEL DUAL CORE PROCESSORS
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Joined: Mon, Aug 30, 2004
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Hi there,
traditionally autocad users have avoided using AMD processors including myself
with improved technology and the greater market share AMD appears to have gained
i would like to hear some up to date expieriences from people whom ventured into using AMD
DUAL CORE PROCESSORS.
I can get a intel 3.0 gh dual core processor for about $aus 575
and a 3.8 gh AMD for 10 dollars more
this would run obviously a lot faster
is there any reason i should NOT use AMD other than that Autodesk recommends Intel?
my main reason for ugrading is:
my Revit project files are all around 60 mb
and run terribly slow on my p4 2.8 intel
Robert
Melbourne
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Hi Rob,
How much memory does your machine have? When working with large files in revit, the more memory the better ie. at least 1gig but preferably 2gig. A simple memory upgrade (if you're low on RAM) is a much cheaper option. Have a look at Centrecom for good prices in Melbourne :
http://www.centrecom.com.au/catalog/locations.php
1 gig stick of Kingston RAM $144.00
http://www.centrecom.com.au/catalog/product_info.php?cPath=93_23&products_id=16856
Here's the same AMD dual core chip you mentioned for $486.20 at Centrecom :
http://www.centrecom.com.au/catalog/product_info.php?cPath=93_27_29&products_id=16425
By the way, there is no advantage either way in respects to Intel or AMD CPU's when it comes to Revit performance. Current releases of Autocad and 3D Studio Max can make use of hyperthreading, which is a feature of Intel processors, and will run faster as a result. But Revit does not support mulithreading of any sort, except with Accurender, so no real advantage using Pentiums.
AMD processors consume far less power than current generation Intel processors, and if you only use Revit, then go AMD. If you work with large Autocad files and 3DS max or Viz, then Intel is the better choice.
HTH cheers.
Post edited on 2006-01-21 09:25:09
Post edited on 2006-01-21 09:26:15
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Riksta,
thanks for that mate, that's first class info.
i only got 1gig of ram ( 2/512 kingston ddr).
i am reluctant to spend money on old ram
which i have to replace with brand new ddr2 ram when upgrading to a better board
also my graphics card is an el cheepo bottom line so if i buy a better one for my existing board now
it would have to be replaced again later to suit a better current type board
however i am not dismissing your idea yet.
i still would value your opinion in regard the type of chip to use
i now mainly work in revit and use autcad less and less and mainly for basic 2d stuff
i do not use viz and rarely use accurender but that is because i have not had the time to master it.
i do use a lot of revit walk thru's however.
when taking my slow machine and inexperience into account
revit is stil pretty unwieldy when it comes to a well detailed 2d drafting and copy and pasting
(which can not be done in certain conditions)
compared with autocad
thanks again
robert.
i do use others to do my accurender and viz which i still have to show on my screen.
thanks again for your promt reply
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Joined: Mon, Jan 12, 2004
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Robert,
A few months ago i set up a new PC in the office with an AMD dual Core processor 3800+. We've found this machine to be significantly faster when rendering. Note, revit will not take advantage of the dual core as it is not multithreaded. Revit will use the processor as a single core. That said, once processor could be running revit and background tasks could be run more efficiently as they could be controlled by the second processor.
With regards to the RAM, more would be the key. From my last research there are no AMD supporting motherboards that support DDR2 Ram. All motherboards designed for AMD Dual Core chips will only support DDR RAM.
So if you absolutely need DDR2 RAM then you'll need to go for the Intel chip. Personally i wouldn't and i've been using AMD chips for the past 5 years and have been more than happy with there performance.
HTH.
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G'day Mr Spot,
i apreciate your interrest
i only mentioned ddr2 because the intel board and chip require these.
at the moment i have 2/512 ddr, which i am told i can reuse on an AMD board
i may buy two more to speeds things up temporarely
and than re use these later in a new machine.
cya,
robert.
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As a general rule on all our machines we try to purchase 1 gig sticks of RAM so we can have maximum free slots.
We typically run 2gig or RAM on all workstations with the exception of mine and the servers. The server has 16gig or RAM and mine has 4Gig.
But as already has been suggested the extra RAM will most likely give you the boost you need.
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Joined: Mon, Mar 14, 2005
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mmm,
I have to go with AMD, it represents better value and better performance for me.
check this out:
http://www.extremetech.com/article2/0,1697,1860540,00.asp
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Riksta, MrSpot, and Eldados
Thanks again, your blood is worth bottling.
one more question what type of minimun standard graphics card do you blokes recommend?
i like to know what Mr Spot put in his latest box of tricks.
cya,
robert.
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I've always preferred gaming cards over Quadro & Fire GL workstation cards, mainly because of bang for your buck.
It all depends on the manufacturer of the card also whether it be ASUS, MSI etc. As some manufacturers seem to have issues to revit and then you'll have to shop around for a driver that will enable you to turn Open GL on.
Currently my machine has a 256MB Nvidia 7800GTX. From memory the company is something vision... Can't quite remember the name, i'll check when i get into work.
HTH.
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now your hitting a sore spot for me 
In my experience with Revit and video cards I came to the conclusion (many will back me up here) that OpenGL support in Revit sucks!
I saw no difference in performance with the temporary X600 and the expensive Nvidia 1400FX that I have now.
Revit might claim OpenGL support but the reality is far from that. You can never get a straight answer when it comes to OpenGL…
So, I would spend my money (like Spotty said) on a good gaming card the 7800GT is an amazing card,
Or, if you feel like having more fun I would get 2 6600GT and SLI them! You will be amazed…
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I'm a bit greedy because I use three monitors, two for Revit (plan & model), and one for other stuff like the net or Acrobat etc. I use a Matrox Parhelia P750 which you can get from Scorpion Technology in Clayton (I paid around $600.00). There's nothing better as far as designing goes, than seeing a model build and change on one screen as you simultaneously draw the plan on another. This is one of the best features of Revit, and probably unknown to many using single display systems. Those of you who have used Archicad will know that other views have to be regenerated manually to see changes, but Revit does this continually and automatically.
So if you are considering multi-monitors (more than 2) go with Matrox or an SLI / Crossfire config (with SLI / Crossfire disabled). Matrox is currently the cheapest option for three monitors as far as I know. SLI or Crossfire will support up to four monitors if you're even greedier than me. (PS : Quad SLI will support up to TEN monitors if you are planning to open your own aerospace agency).
For single / dual monitors, any mid to high range current generation gaming card with OpenGL support (which most have) will do just fine.
I have to agree with eldados regarding OpenGL support, it's not all that great, but as far as the model goes, it does rotate and regen faster with it switched on in the settings, and the other thing (Overlay Planes) unticked.
Post edited on 2006-01-23 18:44:23
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Tanks Gentlemen,
that's a smorgasbord of info,
i would like to know from Riksta if all his three monotors are realy supported by the one Matrox Pahelia 750
or did you SLI these?
Thanks so much
robert.
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Yes all three are supported by one Matrox card. There are only two DVI outputs on the back of the card, but Matrox supplies a splitter cable with the card to run three, one connection from one of the DVI's and two from the other.
I use the 128 meg version as there is little gained by Revit from extra video ram, and it's quite a bit cheaper.
Here's an old pic I posted last year in relation to this topic which shows my setup with all three monitors displaying Revit views...
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G'day Riksta,
your pic looks very impressive.
did your wife leave you after the second, or third monitor?
is it possible to sli or cross the matrox card as well?
why did you pay a premium for a workstation mounitor?
is just because of the 3 monitors
or is that the minimum standard in your opinion?
cya,
robert.
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Alright, how'd you do that with 3 monitors? Sorry, I'm skewing off subject. I thought it wasn't really possible to do more than one monitor with views in Revit, so I didn't bother.
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