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Athlon 64 X2 4800+

Now we can have a closer look at the Athlon 64 X2 4800+ processor on the 65nm Brisbane core that we’ve got for our tests.

As the photograph shows, the Athlon 64 X2 4800+ has an ordinary appearance. The ADO4800IAA5DD marking suggests that AMD formally puts this model into the Energy Efficient class which is expectable considering its typical heat dissipation of 65W. It has diminished due to the thinner tech process as well as to the lower core voltage (it is 1.25-1.35V in general, and 1.35V with our particular CPU).

The informational program CPU-Z correctly identifies the new core and its basic characteristics.

Take note of the 2.5GHz clock rate and the fractional multiplier of 12.5x. This looks somewhat unusual.

The screenshot doesn’t tell you the core stepping, but it is actually G1. You can check this out at www.amdcompare.com.

Testbed and Methods

We benchmarked our Athlon 64 X2 4800+ on the 65nm Brisbane core in comparison with an Athlon 64 X2 5000+ and an Athlon 64 X2 4600+ that were based on the older 90nm Windsor core. Besides them, we took an Intel Core 2 Duo E6400 processor that is somewhat cheaper than the Athlon 64 X2 4800+.

We used the following hardware for our tests:

  • Processors:
    • AMD Athlon 64 X2 5000+ (Socket AM2, 2.6GHz, 2x512KB L2)
    • AMD Athlon 64 X2 4800+ (Socket AM2, 2.5GHz, 2x512KB L2)
    • AMD Athlon 64 X2 4600+ (Socket AM2, 2.4GHz, 2x512KB L2)
    • Intel Core 2 Duo E6400 (LGA775, 2.13GHz, 1067MHz FSB, 2MB L2)
  • Mainboards:
    • ASUS P5B Deluxe (LGA775, Intel P965 Express)
    • ASUS M2N32-SLI Deluxe (Socket AM2, Nvidia nForce 590 SLI)
  • Memory: 2048MB DDR2-800 SDRAM (Mushkin XP2-6400PRO, 2x1024MB, DDR2-800, 4-4-4-12-1T)
  • Graphics card: PowerColor X1900 XTX 512MB (PCI Express x16)
  • Disk subsystem: Maxtor MaXLine III 250GB (SATA-150)
  • Operating system: Microsoft Windows XP SP2 with DirectX 9.0c

We selected the highest-performance settings in the mainboards’ BIOS Setup.

 
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