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-   -   why are the specs different? (http://www.hardwarecanucks.com/forum/troubleshooting/31445-why-specs-different.html)

plutomok April 26, 2010 08:56 PM

why are the specs different?
i recently bought an evga 9800gtx+
and everywhere online the stock specs are
Core Clock: 675 MHz
Memory Clock: 2200 MHz
Shader Clock: 1690 MHz

HOWEVER when i look at the specs through my computer (evga precision and GPU-z)
the specs are
core = 738
memory = 1100
shader = 1836

why are the specs different (i dont mind the increases =D) but why is the memory speed considerably lower?

Zero82z April 26, 2010 09:00 PM

1) You probably bought a pre-overclocked card. Take a look and see if your card says Superclocked anywhere on it.

2) The effective memory speed is double the base memory clock. So 2200MHz GDDR3 actually runs at a base speed of 1100MHz. The setting is correct.

Arinoth April 26, 2010 09:00 PM

It actually is 2200Mhz, the way EVGA and most programs read memory is their base speed. That means whatever they read, say 1100 it actually means you multiply this by 2 to get your true 2200Mhz clock speed. Why they do this i dunno

Silvgearx April 27, 2010 04:47 AM

And as for the core clock.

675mhz = 65nm (9800GTX)

738mhz = 55nm (9800GTX+)

plutomok April 27, 2010 10:16 AM

yeah this helps, thanks a lot guys,

btw, the card is not superclocked and it is 65 nm
wierd... anyways i was just concerned about the memory, thanks again

LarkStarr April 27, 2010 10:20 AM

DDR = DOUBLE data rate.


SKYMTL April 27, 2010 10:28 AM


Originally Posted by plutomok (Post 369530)

btw, the card is not superclocked and it is 65 nm

If you bought a "+" version, it is 55nm.

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