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Intel Core 2 Extreme QX9770 & Q9450 in the test: The Ferrari among CPUs

Intel Core 2 Extreme QX9770 & Q9450 in the test: The Ferrari among CPUs

Overclockability

A tried and tested means of satisfying the natural need of many customers for even more speed is to overclock the hardware. How are the CPUs doing in this discipline? WhenPrime95 and 3DMark06 were used again for stability tests.

Intel Core 2 Extreme QX9770 @ 4, 15 GHz

For the test we increased the multiplier to 10 and the Frontside bus increased to 1,660 MHz (415 MHz). This of course also overclocks the memory, which runs at 1,660 MHz but only slightly above its specifications. The Gigabyte mainboard did these things without any problems. An increase in the voltage of the processor to 1.45 volts provides a shot more stability, which means that all tests ran flawlessly. However, you should be careful with voltage increases above this certain point, as the CPU quickly becomes extremely power-hungry and thus hot and can 'throttle' in extreme situations, which makes the original clock increase worthless.

Overclocking memory
  • SiSoft Sandra memory throughput:
    • Core 2 Extreme QX9770 @ 4.15 GHz
      8.433
    • Core 2 Extreme QX9770 Standard
      8.052
Overclocking
Unit: Points
  • SuperPi (in seconds):
    • Core 2 Extreme QX9770 Standard
      14,611
    • Core 2 Extreme QX9770 @ 4.15 GHz
      11,294
  • Cinebench R10 1-CPU:
    • Core 2 Extreme QX9770 @ 4.15 GHz
      4,559
    • Core 2 Extreme QX9770 Standard
      3.528
  • Cinebench R10 x-CPU:
    • Core 2Extreme QX9770 @ 4.15 GHz
      16.224
    • Core 2 Extreme QX9770 Standard
      12,570
Overclocking games
  • Crysis:
    • Core 2 Extreme QX9770 @ 4.15 GHz
      33.82
    • Core 2 Extreme QX9770 Standard
      33,40
  • Company of Heroes:
    • Core 2 Extreme QX9770 @ 4.15 GHz
      697.90
    • Core 2 Extreme QX9770 Standard
      584.80

As expected, it turns out that the CPU no longer plays an important role in modern games. Crysis, for example, does not benefit at all from the simulated 4.15 GHz quad core with FSB1660 - the graphics card is completely limited. The picture looks significantly different if you (almost) eliminate the graphics card, as was done in the 'Company of Heroes' test with the smallest details in a resolution of 800 x 600 pixels. The picture that emerged in Company of Heroes is underpinned in the theoretical tests and also in Cinebench R10.

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