NVIDIA GeForce 6800 Ultra: The Next Step Forward
by Derek Wilson on April 14, 2004 8:42 AM EST- Posted in
- GPUs
NV40 Under the Microscope
The NV40 chip itself is massive. Weighing in at a hefty 222 Million transistors, NVIDIA's newest GPU has more than three times the number of transistors as Intel's Northwood P4, and about 33% more transistors than the Pentium 4 EE. This die is droped onto a 40mm x 40mm flipchip BGA package.
NVIDIA doesn't publish their die size information, but we have been able to interpolate a little bit from the data we have available on their process information, and a very useful wafer shot.
As we can see, somewhere around 16 chips fit horizontally on the wafer, while they can squeeze in about 18 chips vertically. We know that NVIDIA uses a 130nm IBM process on 300mm wafers. We also know that the P4 EE is in the neighborhood of 250mm^2 in size. Doing the math indicates that the NV40 GPU is somewhere between 270mm^2 and 305mm^2. It is difficult to get a closer estimate because we don't know how much space is between each chip on the wafer (which also makes it hard to estimate waste per wafer).
Since we don't have information on yields either, it's hard to say how well NVIDIA will be making out on this GPU. Increasing the transistor count and die size will lower yields, and the retail value of cards based on NV40 will have the same price at release as when NV38 was released.
Of course, even if they don't end up making as much money as they want off of this card, throwing down the gauntlet and pushing everything as hard as they can will be worth it. After the GeForce FX series of cards failed to measure up to the hype (and the competition), NVIDIA has needed something to reestablish their position as performance leader in the industry. This industry can be brutal, and falling short twice is well nigh a death sentence.
But, all those transistors on such a big die must draw a lot of power right? Just how much juice do we need to feed this beast ...
Facebook
Twitter
RSS
77 Comments
View All Comments
Marsumane - Wednesday, April 14, 2004 - link
This card owns... Anyone know when it ships to retail stores? Guesses even?SpaceRanger - Wednesday, April 14, 2004 - link
I'd like to see what ATI comes up with before I make my decision. I rushed to judgement back when the GF4 TI4600 came out, and regretted making the quick call to buy. If I don't have to get a new PSU for the ATI solution, I'll consider it, even if performance is 5-10FPS slower. Adding 100 bucks to the already costly 500 for the card doesn't justify the expenditure.gordon151 - Wednesday, April 14, 2004 - link
AtaStrumf is so right. More than likely you'll be able to buy the X800s before you can buy this.Shinei - Wednesday, April 14, 2004 - link
Well, I'm sold. Yeah, that sounds fanboyish, but this thing is a solid performer and doesn't require me to completely replace my display drivers... Even if ATI wins by five FPS and has a lens flare in a forgotten corner of a screenshot that you have to stare at for ten minutes to spot, my money is going to NV40--assuming the prices come down a little. ;)Speaking of DX9/PS2.0, what about a Max Payne 2 benchmark? I'm curious what NV40 can do on that game with maxed out everything... :)
skiboysteve - Wednesday, April 14, 2004 - link
i love anandtech's deep technical reviews but yall did no where near enough testing, the xbit article does a hell of allot more testing, 48 pages!http://www.xbitlabs.com/articles/video/display/nv4...
the card fucking rapes everything.
the anand tests dont show nearly the rape the xbit ones do...
AtaStrumf - Wednesday, April 14, 2004 - link
I find it really funny when people say that they will wait until ATi releases their X800 to make up their buying decisions.It's not you can run out and BUY this card right now or tomorrow. Of yourse you will wait. You don't really have a choice :)
ChronoReverse - Wednesday, April 14, 2004 - link
The Techreport tested out the total power draw of this thing and it only drew slightly higher than the 5950 (both of which draws more than the 9800XT).So it seems the recommendation isn't actually necessary (and my Enermax enhanced 12V lines will take it easily).
Pete - Wednesday, April 14, 2004 - link
mkruer #27, all the reviews I've read mention $500 for the 6800U, and $299 for a 12-pipe 128MB 6800.DerekWilson - Wednesday, April 14, 2004 - link
#27,The 6800 Ultra (which we tested) will be priced at $500
The 6800 (with 12 pipes rather than 16) will be priced at $300
Pete - Wednesday, April 14, 2004 - link
quikah #26: FarCry comparison screens are at HOCP.http://hardocp.com/article.html?art=NjA2LDU=
Apparently PS3 wasn't enabled, but the 6800U looks better than the 5950U running PS2. It's still uglier than the 9800XT, sadly. Banding abounds, both here and in FiringSquad's Lock-On screens. Puzzling, really. If the 6800U really runs FP32 as fast as FP16 within memory limits, I wonder if all it will take to get IQ on a level with ATi is forcing the 6800U to run the ATi path or removing the NV3x path's _pp hints.