GTX295 single pcb from Inno3D spotted

[saaya]

http://en.expreview.com/2009/05/12/t...unearthed.html

expreview managed to get their hands on the first pics of a 295 single pcb, naked pics included



that pcb doesnt look too crowded at all...
TDP is supposedly the same, clocks are the same, tho there are rumors about higher mem clocks... i guess nvidia will leave tweaking the clocks to their partners though, i doubt they will clock this card any diferent, and im affraid the price will remain the same too...

so what can we expect?
possibly better overclocking and lower temperatures...

the heatsink looks like the 7900GTX, doesnt it?
its actually made up of two parts, the fan is in the center, and half the air is exhausted, half isnt... not a perfect design but the priority for the single pcb 295 was to brings costs down...

looks like each gpu has its own 3+1 phase pwm...

[dinos22]

OMG that sucks

look at the power connectors

[Achill3uS]

it would be a nightmare to put some pots on these :S

[trinibwoy]

OMG that sucks

look at the power connectors

What's wrong with them?

[K404]

The 8-pin plug is directly above the rear core, so would interfere with the column of a pot.

Idea:

thick core shim? Not great for stable temps but better than nothing. Insulation might also be interesting. Condensation might cause a direct short circuit at the power terminals

Not massively keen on only 3 (sensible) holes around the front core.

Mounting hole spacing same as existing GT200?

[cowie]

in this case cheaper may mean weaker and slower no?
maybe dinos thinks it would bother him fiting a few tubes on it?
watch the spillage doh!

[saaya]

yeah, raja just mentioned the same thing to me on msn... his idea is to rewire the power plugs... itll take a beefy iron and some skills to not damage the card but it should work... weird how nvidia would mount the plugs like that... on the back of the card would be much better

and the power plug is right next to 2 mem chips, i wonder if there will be any emi limiting mem ocing cause of that.
the 3 phase power might be limiting, but then again its the same as the dual pcb 295 and they do "ok" on ln2, right?
well... IF you have the ocp mod... so lets hope the ocp mod for these cards will be SHARED

[Johnny Bravo]

ha core nearest the I/O shield has ccrraazzyyy mounting hole configuration!

rear core is fine tho we're gonna have to go Hipro on the power connector and solder it onto the back of the card!

Little cluster of chips in the middle of the board will need something too...........

[saaya]

does anybody get why they put the display engines in the center of the card?
they must be routing it over half the card to the io side of the pcb... why would they do this if the pcb space is so limited?

[K404]

Well putting them there does mean the cores can be further apart and avoid some shared heat. ...... *some*

Wont thermal creep across the PCB deal with most of the I/O heat? A RAMsink each as well?

[Shintai]

If I didnt knew better I would say it was photoshopped. Those extra video chips ruin everything for nVidia.

[dexster]

If I didnt knew better I would say it was photoshopped.

must admit it does seem quite ... well photoshopped

[Shintai]

must admit it does seem quite ... well photoshopped

Thinking on all the reason for why nVidia hated single PCB it makes sense. But the layout is just so terrible you just wish it aint true.

[acidpython]

Thinking on all the reason for why nVidia hated single PCB it makes sense. But the layout is just so terrible you just wish it aint true.

And the new GTX260's using ATI reference like coolers. I wonder what else nvidia was "wrong" about?

[saaya]

well how much space do you gain by having the display output chips in the center? maybe 1 inch? i doubt that makes a diference...
they should have gone for a stream heatsink like the ati dualgpu cards, then the gpus could be almost next to each other without any problems, all the air gets exhausted, which, thinking of the tdp of 289W, is not trivial imo... you really dont want that much heat flowing through your case heating up everything else.

Thinking on all the reason for why nVidia hated single PCB it makes sense.

like what?

its like atx to matx for mainboards, sure, you cant put everything on there, but if you do it right itll get the same job done and perform exactly the same but cost less...

[cirthix]

wow, they royally screwed the mounting holes. the card looks like a mess, they could have definitely laid it out better.

For the concerns about mounting pots, take a closer look at the mounting holes, they are different from previous cards yet again. Not even consistent within the same card. bleh!

The power connector really isn't a problem, you can desolder that and flip it to the other side of the board without a problem.

[clonez]

its a frankenstein

seriously, this design hasnt got modders and clockers in mind

looks like a stove with those large double heat spreaders

[soundood]

very nice, and to be honest i dont think you could have laid it out any other way, that there folks is my new card, have to wait till someone does a waterblobk for it though.

any ETA as to when someone will have one on the go?

[cirthix]

a much more sensible layout:

[soundood]

now this was the only other way i could think of laying it out, but for me the GPU and Memory are too close, PCB temps would be way more than the current layout.

for cooliing purposes the layout you supplied would make sense, but again i think you would end up with a horrific cooler size, possibly failing to fit a 2 lot design.

but on a positive, your design would much better favour a watercooling block for obvious reasons, and for me, your design would be the way i would go if i had the option, but again only for a watercooled set up

[clonez]

that design wouldnt be good for air cooling

nvidias design is good enough for air. combining the power supplies, ditching one i/o chip (arent there any of those with quad monitor support in the first place?) and placing the power connectors between the cores would have spared a cm or 2, however

or elongate this design by 2 cm, place the fan at the back (like ati) and use larger heat sinks. then, clock the card @ 700mhz min core and pack twice the memory on it, so people have a reason to step up from current gtx295

[jasonelmore]

So are we positive that this is a real sample or a photoshop job?

[[XC] gomeler]

Oh NVIDIA, why couldn't you just copy the HD4870x2 layout? Oh yeah.. your chips are gi-ing-normous and require two extra video output chips. This card looks like a big bag of fail, with that awkward 4th hole on the 1st GPU I don't know how you'll easily mount pots to it. Going to require one retarded bracket. Guess the sandwich GTX 295 will remain popular unless these cores somehow clock stupidly higher.


We need the OCP mod!

Edit: Nvidia deserves a fail whale for this card.

[SNiiPE_DoGG]

guys, just chop it in half at the middle - that will make it easier to put on ln2

[soundood]

Oh NVIDIA, why couldn't you just copy the HD4870x2 layout? Oh yeah.. your chips are gi-ing-normous and require two extra video output chips. This card looks like a big bag of fail, with that awkward 4th hole on the 1st GPU I don't know how you'll easily mount pots to it. Going to require one retarded bracket. Guess the sandwich GTX 295 will remain popular unless these cores somehow clock stupidly higher.

although this is extreme systems and we do view these products with an extreme view, failing a card on the basis you cant fit a LN2/DICE pot to it seems a little extreme.

the vast majority of users dont even know what a pot is

and although i do agree with you on layout for a POT, for your joe shmo user, this is in my opinion one of the best layouts for this card.