With the Introduction of Intel’s Canterwood 875 and Springdale 865 chipsets, the memory landscape is changing rapidly. These mainstream chipsets bring many new features to the desktop and workstation PC, but memory support may be the biggest innovation as it takes a giant leap with standard support for Dual-Channel DDR400 memory.

It wasn’t long ago that we were talking about whether DDR400 would even become an official standard. Now, with the Intel 875/865 chipsets, we see DDR400 completely legitimized. More importantly, with the excellent performance of the Intel Pentium 4 800FSB chips, we are seeing enthusiasts actively searching for memory that can perform at DDR466/DDR500 and even higher speeds. These were memory speeds that we never thought we would be talking about on the way to DDRII, and apparently, memory manufacturers have also been caught by surprise. Introductions have been slow because chips are apparently unavailable, but we now see high-end memory manufacturers scrambling to bring out these extremely high-speed memory modules for which enthusiasts are asking.

Given this climate, we decided to take a closer look at the question of what is the best memory for the Canterwood and Springdale chipsets. In Part 1, we will try to determine the best Memory configuration for the 875/865. We were able to examine this and find some answers with Memory that we had on-hand. The answers will be important for many of you who are looking to buy memory for the new boards, so we decided to release the results of our memory configuration testing. Part 2 will investigate the performance of the new DDR466 and DDR500 modules that will be coming to market in the near future. Since we are still waiting to receive many of these new modules, or currently have only beta samples of some of the memory, it will be several weeks until Part 2 is posted.

The Best Memory Configuration for 865/875

One of the questions we are often asked is whether a particular motherboard can run with four DIMMs - or at the maximum number of memory slots for the board. Surprisingly, the answer is often ”no”, which is why AnandTech added the process of populating and testing all memory slots to the review procedures. However, with the Intel 875/865 Dual-Channel boards, we are realizing that additional questions need to be raised. Is there a performance difference in two DIMMs vs. four DIMMs? Do single-sided or double-sided DIMMs perform better on Canterwood/Springdale boards? What is the real performance difference in one DIMM, two DIMMs, and four DIMMs?

Answers to all of these questions will lead to determining the best-performing Memory configuration for Intel 875/865 boards. We set out to find the answer to this question, and what we discover may surprise you.

Test Design
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  • Anonymous User - Monday, July 28, 2003 - link

    Great article. Pity Im too late. Is single sided RAM the same as single bank (electronic) or physically the ram chips are on a single side of the stick. Mushkin in particular are wary of using the single side term. Also What about PAT acceleration in conjunction with lower latency RAM and DIMM number? Some reviews have shown lower FSB with tight timings RAM and PAT acceleration beating looser timings 1:1 higher FSB RAM systems. Ah questions questions? Reply
  • pakuens - Monday, July 28, 2003 - link

    Good article. I'm right in the middle of buying memory and it answered several questions. It saved me from an expensive mistake, as I was considering using two matched pairs, but of differing size.

    I like the unbuffered benchmark method.
    Reply

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