Intel Core 2 Extreme QX9770: Paper Tiger?

Up Close And Personal With The QX9770

This is how the BIOS should report the Core 2 Extreme QX9770...

Like its predecessor, the QX9650, the QX9770 will also be equipped with 2 x 6 MB of L2 cache. In general, the processors will share the same core design, although we can't say at this point whether the new part will also use the current C0 stepping or receive a newer one.

Swipe to scroll horizontally
Row 0 - Cell 0 QX9770QX9650QX6850
CodenameYorkfieldYorkfieldConroe XE
Taktrate3,20 GHz3,00 GHz3,00 GHz
FSB400 MHz333 MHz333 MHz
Cache2x 6 MB2x 6 MB2x 4 MB
Prozess45 nm45 nm65 nm
Transistoren820 Mio.820 Mio.586 Mio.
DIE-Fläche214 mm²214 mm²286 mm²
TDP136 Watt130 Watt130 Watt

In summary, the big changes from the previous Penryn-based Extreme model are a faster processor speed of 3.20 GHz (+200 MHz), a faster FSB of 400 MHz, and a higher TDP of 136 Watts (+6 Watts).

Tom's Hardware News Team

Tom's Hardware's dedicated news crew consists of both freelancers and staff with decades of experience reporting on the latest developments in CPUs, GPUs, super computing, Raspberry Pis and more.

  • Capitannimo
    I am not sure why you are not mentioning the cooling system you use.
    Also why you don't mention that this processor needs water cooling system even if not over clocked.
    Reply
  • Intelextreme
    Looks like a Zalman fan to me in the pictures so maybe water cooling is not needed, at least for those not into cases (something I typically consider "benchmark machines" and was surprised by the lack of dry ice. By the way thermoelectric, chilled water, cooling using peltiers can't be beat! Finally I have a QX6850 and I get a 3mdMark06 of 18,548 with a Gigabyte EX38-DQ6 and a Shappire Radeon HD4870 X2 2gb (using not yet anywhere near perfected drivers) and without overclocking the GPUs until a water block is released for it. I was going to upgrade to a QX9770 now that I can pick one up for a good price since the 9775 came out but since reading that the difference in speed is not incredible I have decided to wait for the new Core i7 or whatever they call the new extreme processor and motherboards with new sockets coming out soon.
    Reply
  • Intelextreme
    To show the QX9770 overclocked alone is bias as I run my QX6850 overclocked. When compared to the QX9770 running at stock speed, the QX6850 differs typically by a few points, it is not until the QX9770 is overclocked to 4ghz that the difference becomes as high as close to 20% in come cases. However, that ignores the fact that a lot of the other processors are good overclockers, and I can overclock my QX6850, using thermoelectric chilled water cooling, to a stable 3.8. Therefore, the difference between the two in terms of speed is not enough at this point to justify purchasing an X48 chipset motherboard and a QX9770 when a new socket and extreme CPU is coming out soon. If I was putting together a computer now I would likely go cheap and look for a used QX6800 and as good a used motherboard as possible just because I would be selling them soon anyway.
    Reply