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Testbed and Methods

We tested the performance of AMD Athlon 64 X2 3800+ and compared it against the results shown by the processors falling into the same price category. Among them are: Athlon 64 3800+ ($373), Pentium 4 650 ($401) and Pentium D 830 ($316).

So, we assembled a few systems with the following hardware components:

  • CPU:
    • AMD Athlon 64 X2 3800+ (Socket 939, 2.0GHz, 2 x 512KB L2, E4 core revision aka Manchester);
    • AMD Athlon 64 3800+ (Socket 939, 2.4GHz, 512KB L2, E3 core revision aka Venice);
    • Intel Pentium D 830 (LGA775, 3.0GHz, 2 x 1MB L2);
    • Intel Pentium 4 650 (LGA775, 3.4GHz, 2MB L2).
  • Mainboard:
    • ASUS P5WD2 Premium (LGA775, Intel 955X);
    • DFI NF4 Ultra-D (Socket 939, NVIDIA nForce4 Ultra).
  • Memory:
    • 1024MB DDR400 SDRAM (Corsair CMX512-3200XLPRO, 2 x 512MB, 2-2-2-10);
    • 1024MB DDR2-667 SDRAM (Corsair CM2X512A-5400UL, 2 x 512MB, 4-4-4-14).
  • Graphics card: PowerColor RADEON X850 XT (PCI-E x16).
  • Storage subsystem: Maxtor MaXLine III 250GB (SATA150).
  • Operating system:
    • Microsoft Windows XP Professional SP2;
    • Microsoft Windows XP Professional x64 Edition.

The peculiarity of our today’s test session is the use of two different operating systems: 32-bit and 64-bit Windows XP versions. When we tested the processors in 64-bit mode we tried to use mostly native 64-bit applications, which have already become quite numerous by now. This way we will be able to evaluate the processors performance and efficiency not only in 32-bit mode but also in case AMD64 and EMT64 technologies kick in.

To be fair we should definitely mention that many 64-bit applications available today are none other but Open Source program ported developed by computer enthusiasts. So, these programs boast very unique specifics. Unfortunately, there are very few really 64-bit versions of any large commercial products from big-name companies.

 
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