eva2000

In light of this revelation at XFX 7900 being sneaky with delta clocks that some manufacturers have different geometric delta clocks for their cards, i thought i'd download latest NiBiTor 2.7 and the current 7900GT/GTX bioses and see what clocks they have

7900GTX

eVGA 7900GTX Superclocked rev1


eVGA 7900GTX Superclocked rev2


Gigabyte 7900GTX


MSI 7900GTX


PNY 7900GTX


PNY 7900GTX rev2


PNY 7900GTX OC


XFX 7900GTX


XFX 7900GTX E


XFX 7900GTX EE


XFX 7900GTX XE


Leadtek 7900GTX

eva2000

7900GT

POV 7900GT


Galaxy 7900GT


XFX 7900GT


XFX 7900GT EE


XFX 7900GT XE


XFX 7900GT XXX


eVGA 7900GT


eVGA 7900GT SC rev1


eVGA 7900GT SC rev2


Leadtek 7900GT


Asus 7900GT - another with 0 delta clock


Club3D 7900GT

eva2000

seems nearly everyone adhered to 50mhz and 20mhz delta for 7900GTX and 7900GT respectively except XFX

cleary

Hmm... so I guess you should take the advertised XFX clockspeeds with a grain of salt until you know what delta clock they're using?

The other thing that's strange out of that data is the very low clockspeed in 2D mode on the 7900GTX' compared to the 7900GTs ... what's going on there???

eva2000

Actually could be slightly wrong in that XFX could be faster at 0 delta clocks since 7800/7900 have 3 clocks, geometric, rop/shader and 2d clocks for core

final 3d core clock made up of = ROP/Shader clock + geometric delta

ROP/Shader is throttle clock you see in nibitor images.

Only way is bench and see which is faster and which clocks higher

alpha0ne

I'll post the MSI 7900GT tomorrow if I can work it out, very interesting how some are different

FearTec

Any ideas on when NiBiTor will support the Gainward 7800GS+ 512MB AGP (24 pipes)?

Thanks