Low fps in Bioshock?

metalmackey · 15 Oct 2007 at 01:22

Hi

Is an everage of 40fps low for Bioshock for my PC(sig)?. Runing at 1680x1050, everything on except vsync. Benchmarks i've seen are a lot higher

Using forceware 163.69 and everytime I load the game vsync is on and I have to turn it off. The fps never goes above 60fps, could it be the SLI bug where when enabled it halfs the speed?

Thanks

Perfect_Chaos · 15 Oct 2007 at 01:23

metalmackey said:
Hi

Is an everage of 40fps low for Bioshock for my PC(sig)?. Runing at 1680x1050, everything on except vsync. Benchmarks i've seen are a lot higher Using forceware 163.63 and everytime I load the game vsync is on and I have to turn it off. The fps never goes above 60fps, could it be the SLI bug where when enabled it halfs the speed?

Thanks

Try running the game on 1 card first.

easyrider · 15 Oct 2007 at 01:29

metalmackey said:
Hi

Is an everage of 40fps low for Bioshock for my PC(sig)?. Runing at 1680x1050, everything on except vsync. Benchmarks i've seen are a lot higher Using forceware 163.69 and everytime I load the game vsync is on and I have to turn it off. The fps never goes above 60fps, could it be the SLI bug where when enabled it halfs the speed?

Thanks

SLI @ 1680x1050 is pointless.

Cpu limitation here I'm afraid

Perfect_Chaos · 15 Oct 2007 at 01:32

easyrider said:
SLI @ 1680x1050 is pointless.

Cpu limitation here I'm afraid

even if it is i cant see a better cpu pushing the fps much higher.

SLI/Crossfire still a waste imo for 20-30% gain at best in minimum fps.

Rroff · 15 Oct 2007 at 02:13

easyrider said:
SLI @ 1680x1050 is pointless.

- how so?

You should be getting way more than 40fps average... even without SLI you should be getting better than that... at 1920x1200 with all settings maxed one 8800 Ultra would give you 40fps average... so 2 of them in SLI at 1680x1050 should give a good 60+fps average.

Just tried it on my GX2 at 1680x1050 with all settings maxed and I get better than 40fps average running around arcadia which is probably the most performance heavy map in the game and as the 8800 Ultra gives about 30% higher FPS in BioShock you should be getting ~52fps with one of them.

Just had a thought - what is your multi-display acceleration mode setting? if its multi instead of single then that could be the cause of your fps drop...

Margaret · 15 Oct 2007 at 03:11

Rroff said:
- how so?

He has a point, a single GTS 640 eats up games at that res, as does a GTX as would a Ultra.

metalmackey · 15 Oct 2007 at 13:09

Set the option to single display with no increase infps

I loaded a saved game and with not much on screan its starts at 21fps. Should force global lighting be on or off?

metalmackey · 15 Oct 2007 at 14:06

Sod it, I give up

badbob · 15 Oct 2007 at 14:08

Seems to run terrible with Nvidia hardware?

Greebo · 15 Oct 2007 at 14:13

badbob said:
Seems to run terrible with Nvidia hardware?

Runs great on mine @ 1680 x 1050 and I only have a 8800 GTS 320Mb

badbob · 15 Oct 2007 at 14:15

oops I meant Nvidia SLI. That's two people I've read with low framerates with SLI, one with 7800GTX 1024x768 unplayable

Richdog · 15 Oct 2007 at 14:15

SLI + Vista x64 = lose.

metalmackey · 15 Oct 2007 at 14:19

Richdog said:
SLI + Vista x64 = lose.

Is that true for all games or just some? Should I disable SLI?

metalmackey · 15 Oct 2007 at 14:48

I set the Bioshock profile to single GPU and framerate is a LOT better, is it a driver issue?

badbob · 15 Oct 2007 at 14:53

Have you tried under XP and Vista 32?

metalmackey · 15 Oct 2007 at 14:56

Just have Vista64 installed on this PC

Richdog · 15 Oct 2007 at 14:57

metalmackey said:
Is that true for all games or just some? Should I disable SLI?

SLI and Vista has been a real problem for a while now and was only recently addressed in any serious way. To put it simply your 2x Ultras are a huge waste as one will do the job perfectly fine. Try disabling SLI, taking out a card, and seeing how it runs then.

metalmackey · 15 Oct 2007 at 15:52

I have confidence it will be fixed soon (yeah right LOL).

WarBird · 15 Oct 2007 at 16:35

i'll take one of those ultras of your hands sure

Rroff · 15 Oct 2007 at 16:40

Yeah SLI doesn't seem to be working too great under Vista64 in a lot of games...

SLI works great with BioShock in windows XP tho.