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Graphics cards
show user profile  zeefusion
Been chatting to our CAD supplier and they always recommend Quadro cards over GT or GTX as GT/GTX are "gaming cards".

Certainly with real time rending the GTX cards perform better. My question is: What makes a GT/GTX not supported by a CAD package? Would the view port just be simply screwed up?

I was under the impression the drivers are usually the same builds and the architecture is pretty much the same. For example there is a laptop spec with a GT555M 3GB and a laptop spec with Quadro 3000m. The one with the GT is much cheaper and on paper the GT performs better. But I don't want to get it if it is "not supported".

read 538 times
1/24/2012 2:51:04 PM (last edit: 1/24/2012 2:51:04 PM)
show user profile  zeefusion
I have read this entire thread and I still cant seem to find an answer
people have varying opinions on what is best
read 527 times
1/24/2012 3:11:17 PM (last edit: 1/24/2012 3:11:17 PM)
show user profile  advance-software
best card at the moment :

what's the fill rate.
what's the floating point performance (single & double precision).
what apis & features are supported.
what's the performance in benchmark x.

the rest is just marketing fluff.
read 523 times
1/24/2012 3:15:26 PM (last edit: 1/24/2012 3:16:54 PM)
show user profile  zeefusion
3GB NVIDA GeForce GT 555M vs NVIDA Quadro 3000M 2GB GDDR5 - That's it.

read 515 times
1/24/2012 3:18:55 PM (last edit: 1/24/2012 3:18:55 PM)
show user profile  advance-software
go have a chat with these guys.

they're fairly switched on gpu wise.
read 513 times
1/24/2012 3:19:53 PM (last edit: 1/24/2012 3:20:01 PM)
show user profile  zeefusion
Thanks I will check it out.
read 505 times
1/24/2012 3:27:50 PM (last edit: 1/24/2012 3:27:50 PM)
show user profile  Nik Clark
afaik, the cards and drivers are very similar and compatible. I've run max on a GT 555M laptop and it's been great.

However, there are some cheats. For example, the Nvidia Real-time raytracing app works with Quadro and non-quadro cards. But, it will only allow the card to use system memory (when the scene is larger than the memory on the card) with a Quadro. I guess they need to have some advantage to owning the quadro cards at the bottom end other than performance.

read 498 times
1/24/2012 3:30:54 PM (last edit: 1/24/2012 3:30:54 PM)
show user profile  ScotlandDave
A bit like the Xeons, 3/4 or more times the price, only difference being qpi links enabled for multiple cpu support and higher cache..

Website | Blog | Contact | Vimeo

read 489 times
1/24/2012 3:40:21 PM (last edit: 1/24/2012 3:40:21 PM)
show user profile  zeefusion
Well I found this Quadro_vs_GeForce

Hell of a read but it seems to solve the problem
read 478 times
1/24/2012 4:08:00 PM (last edit: 1/24/2012 4:08:00 PM)
show user profile  Mr_Stabby
simple answer is - they want to charge you as much as possible. Professionals tend to have deeper pockets when buying tools of their trade so they add a few trinklets to make it slightly superior in some aspects and sell it for a huge premium. The actual differences are -
quadros are more reliable - they get the most stable cores coming out of the factory. this would be important if geforce's caught fire every month but they don't. it is much more likely you're eventually going to replace your card due to an upgrade rather than a hardware failure.
quadros are optimized for cad - their drivers have a slightly different makeup than geforce's and also some circuits that are disabled on geforce's get enabled resulting in higher performance than equivalent transistor count / clock geforce's. Thing is though - same transistor count geforces run at a higher clock and still win out in performance due to brute force.
quadros have more memory and are compatible with some special features in nvidia software like sharing system memory - hardware wise geforces are capable of the same feats but this is disabled just to make quadros look more worthwhile. If you absolutely need these features then i guess you have no choice, most people however dont. In fact i dont know a single person whos actually made good use of these :p

Basically when comparing equivalent cost geforce's and quadros there is just no contest, for the same lets say 300 bucks you get 3x more performance with a geforce and even though the quadro might have some stuff enabled it just doesn't have the horsepower to actually make any use of it. When comparing highest end geforce to highest end quadro (same architecture) then performance wise geforce wins out slightly. If its coming out of somebody elses wallet though and they can still keep a straight face after hearing $12k for 4 top end quadros then i'd totally go for it :p

read 473 times
1/24/2012 4:12:02 PM (last edit: 1/24/2012 4:12:02 PM)
show user profile  zeefusion
Thanks for the info :) Its pretty much what I had thought. When you say Quadros are optimised for CAD. What is it exactly that they do? Is viewport speed faster, does it load menus and pop ups faster?
read 469 times
1/24/2012 4:20:36 PM (last edit: 1/24/2012 4:24:46 PM)
show user profile  Mr_Stabby
cad specific viewport optimizations like wireframe draw speed and faster linear filtering for oversized textures and such. amusingly enough none of it works in the new viewport render engines like nitrous and whatever the new maya engine was called

read 459 times
1/24/2012 4:40:08 PM (last edit: 1/24/2012 4:41:52 PM)
show user profile  DannyMax
Just ask yourslef , will it blend ?

read 458 times
1/24/2012 4:40:21 PM (last edit: 1/24/2012 4:40:21 PM)
show user profile  zeefusion
I bloody hope so...

So wire frame draw speed, would you even notice?
read 456 times
1/24/2012 4:41:51 PM (last edit: 1/24/2012 4:41:51 PM)
show user profile  Mr_Stabby
well you would have in the last generation of geforce/quadro since quadros used to be a good 40something % faster in drawing wireframes but then again you could flash geforce bios to become quadro :p nowdays the difference is nowhere near as dramatic, i dont remember the exact percentages(would have to look them up in specviewperf) but they were below 10%

read 452 times
1/24/2012 4:44:01 PM (last edit: 1/24/2012 4:44:01 PM)
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