Performance of GTX game cards versus Quadro´s

A public forum for discussing and asking questions about the demo version of Octane Render.
Forum rules
For new users: this forum is moderated. Your first post will appear only after it has been reviewed by a moderator, so it will not show up immediately.
This is necessary to avoid this forum being flooded by spam.
Post Reply
User avatar (Default)
max3d
Licensed Customer
Posts: 17
Joined: Wed Jul 21, 2010 6:41 am

Hi,

I read somewhere that the 4xx series was deliberately crippled so that DP calculations run at 1/5 the speed of single precision floats, while the Fermi architecture can manage 1:2 DP vs SP.

I never noticed this before but when you search for it there are several sites which indeed mention it. Is this really true and if so does this hamper Octane?
Can´t remember seeing benchmarks here where Octane speeds up enormously on the equivalent profi cards?

Max.
octane test system: Win7 64 | Intel i7 930 ->985 (mood dependent) | 12 Gb mem | Point of View GTX 460 768
Top
User avatar
Nostromo
Posts: 261
Joined: Thu Feb 18, 2010 5:13 pm
Location: Brussels
Contact:
Contact Nostromo

The "crippling" only happens with standard DX/OGL apps. It doesn't affect CUDA (and hence Octane Render) at all.

Regards
/M
Top
User avatar (Default)
max3d
Licensed Customer
Posts: 17
Joined: Wed Jul 21, 2010 6:41 am

Thanks a lot. I was convinced it couldn´t be true but some people kept repeating it.
octane test system: Win7 64 | Intel i7 930 ->985 (mood dependent) | 12 Gb mem | Point of View GTX 460 768
Top
Post Reply

Return to “Demo Version Questions & Discussion”