Computer Upgrade -Dual Core Processor Questions


I want to upgrade to a new computer. There is a sale going on at but I can’t find the processors they list on Tom’s CPU Chart at:

Tigerdirect says the processors are dual core and list them as:

System 1:
Systemax Venture HU2 B840 Intel PD 840 3.2GHz
Intel Pentium D 840 3.2GHz Dual Core processor, 1GB(1024MB) of lightning-fast PC4200 533MHz DDR2
Pentium D 840 (Smithfield, 3200/200, 1975X, DDR2-667)
Processor Class Pentium D
Processor Number 840
Processor Speed 3.2 GHz
Additional Technologies Dual-Core Technology
Intel® Extended Memory 64 Technology
Memory Type DDR2

System 2:
Venture VX2 Intel Core 2 Duo E6300 E6300 1.86 GHz
Intel Core 2 Duo Processor running on the latest and greatest Intel DQ965GFKR motherboard
Processor Class Core 2 Duo
Processor Number E6300
Processor Speed 1.86GHz
Additional Technologies Dual-Core Technology
Intel® Extended Memory 64 Technology
Memory Type DDR2

Can someone tell me if these are dual core processors and where I can find them on Tom’s chart?


6 answers Last reply
More about computer upgrade dual core processor questions
  1. The systems you mention use either the Pentium D 840 processor, or the Core 2 Duo 6300. While they are both dual core chips, the Core 2 Duo is the newer architecture, and will be significantly faster on every type of application.

    While the Pentium D 840 is on Tom's chart, curiously, the 6300 is not. Use the numbers for the 6400 as it is only a little faster than the 6300 part in general.
  2. go with the c2d, best $/performance, oces like a charm 8)
  3. Hi,

    Thanks for the help.

    I did see the Pentium D on Tom’s chart but it didn’t say dual core so I wasn’t sure. Forgive my naivete. I’ll take everyone’s advice and go with the Core 2 E6300. I did see the E6400 and thought they would be close.

    Thanks again for you help,

  4. Hi adkron

    The D840 is listed on the Toms Hardware charts, but you are right in pointing out that the E6300 is not, despite the fact that it is infinitely more significant than the largely irrelevant EE and FX chips exhaustively listed there. Incredibly, Toms has said that it does not have performance data on the E6300.

    By the way, to compare the overall performance of the various chips, I find this table
    more useful than the can't-see-the-forest-for-the-trees interactive chart you gave.

    While the E6300 is better than the Pentium D840, especially in multithreaded applications and overclocking, I would not say that its performance is so close to that of the E6400 that you can equate the two in the Toms Hardware charts.

    Anantech equates the performance of the E6300 to the Athlon X2 4200+, while it says that the E6400 falls somewhere between the Athlon X2 4600+ and the X2 5000+. All of these Athlon X2 chips are shown on the Toms Hardware chart and the TGDaily table.

    It would follow that the E6300 would have a score of 1.44 on the TGDaily table while the D840 has a score of 1.37, and the E6400 has a score of 1.72 (not overclocked)

    By the way, the Inquirer says that the D840 has been discontinued.

  5. Hi Fuzzy33,

    Thanks for the help,

  6. system 2, it will last you much longer
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