Crucial Ballistix PC2-5300 2GB Kit

Crucial Ballistix PC2-5300 2GB Kit

Value and Conclusion »

Test Setup

Test System
CPU:Intel E6400 Conroe, 2.12 GHz, 2 MB Cache
Motherboard:ASUS P5W DH Deluxe BIOS 1407
Intel i975X C0
Video Card:ATI Radeon X850XT PE PCI-E
Harddisk:2x Seagate Barracuda 7400.7 80 GB [Raid 0]
Power Supply:Thermaltake PurePower 680W
Software:Windows XP SP2, Catalyst 6.10


Performance

In the first test we evaluate how these modules do at their default settings, to establish a baseline performance value.

Next we tried how much further we could overclock at their default voltage and timings settings. A very impressive 750 MHz could be achieved. This is a very good result, demonstrating that the memory has a lot of headroom.

The next test demonstrates the maximum overclock possible on this memory at 2.4V. This RAM managed to break the magic 1 GHz mark, 1024 MHz to be precise, with 4-4-4-10 timings no less! But for some reason the memory did not overclock any further using looser timings, even to 5-6-6-16 there was no improvement. I was very happy that these modules could reach over 1GHz, especially on 667MHz dimms! I would have expected this kind of performance from 800MHz dimms.

Now it's time to find out how much the timings can be tightened. We found that at 2.4V the timings could be tightened to 3-2-2-4, which is the tightest timings the motherboard will allow. Unfortunately to manage this, 2.4V is needed, and the memory will not clock any faster than 540 MHz without becoming unstable at these extremely tight timings.

There are two tests that i carried out, both at 667MHz, but with slightly different timings; 3-3-3-8 Vs 3-3-3-12. I did this to demonstrate how slight the difference is because the default TRAS timing on these modules is 12, whereas most manufacturers use TRAS 8 when CL3 is used for their stock frequency. As you can see there is very little performance lost by going with TRAS 12, but it is an unusual set of timings for sure!

For further comparison, the test "JEDEC DDR2-533" shows a generic DDR-2 module running at JEDEC standard timings.

Crucial Ballistix PC2-5300 2 GB Kit
CPU Clock &
Memory Ratio
Memory
Speed
Memory
Timings
Everest
Read
Everest
Write
Everest
Latency
Quake 3
Timedemo
3DMark
2001SE
SuperPi
Mod 1M
8 x 410 4:5 512 MHz 4-4-4-10 2.4V 10081 MB/s 7468 MB/s 45.0 ns 620.1 fps 3909416.953 s
8 x 400 4:5500 MHz5-5-5-12 2.4V 9713 MB/s 7285 MB/s 48.8 ns 607.2 fps 3877917.515 s
8 x 425 1:1 425 MHz 4-4-4-12 1.8V 10131 MB/s 7758 MB/s 44.9 ns 640.2 fps 3941916.641 s
8 x 400 1:1 400 MHz 3-3-3-8 2.4V 9850 MB/s 7312 MB/s 44.7 ns 609.9 fps 3866317.375 s
8 x 375 1:1 375 MHz 3-3-3-8 2.2V 9216 MB/s 6840 MB/s 47.4 ns 570.4 fps 3734719.125 s
8 x 333 1:1 333 MHz 3-3-3-8 1.8V 8200 MB/s 6079 MB/s 53.3 ns 514.5 fps 3539020.890 s
8 x 333 1:1 333 MHz 3-3-3-12 1.8V 8171 MB/s 6070 MB/s 53.4 ns 513.9 fps 3516820.937 s
8 x 266 1:1 266 MHz 3-2-2-4 2.4V 6620 MB/s 4870 MB/s 65.5 ns 413.0 fps 3096025.922 s
JEDEC DDR2-533266 MHz 3-3-3-12 6634 MB/s 4872 MB/s 65.4 ns 414.5 fps 3093025.719 s




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