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Crucial PC2-6400 Ballistix 2GB DDR-2 Memory Kit Review
Crucial PC2-6400 Ballistix 2GB DDR-2 Memory Kit Review - PCSTATS
Abstract: As the model number suggests, the 2GB Crucial Ballistix PC2-6400 memory is rated to run at JEDEC's DDR2-800 specification... but Crucial goes one step further than that.
 80% Rating:   
Filed under: Memory Published:  Author: 
External Mfg. Website: Crucial Jul 19 2006   Max Page  
Home > Reviews > Memory > Crucial PC2-6400 Ballistix

Time to push the Ballistix PC2-6400

Overclocking Results:
4-4-4-12 5-5-5-15
memory speed: 1040 MHz 1104 MHz

If you're new to Overclocking and not sure what to do, check out these two excellent Guides for some pointers:
Overclocking the CPU and Memory
Overclocking the Videocard

Overclocking DDR2 memory on the AMD Athlon64 Socket AM2 platform is more challenging due to a memory divider issue PCSTATS highlighted in this article. With these limitations, we could only employ even-numbered multipliers when overclocking the Crucial Ballistix PC2-6400 DDR2 memory.

To begin with, the CPU divider was set to 8x and the CAS latency memory timings set to 4-4-4-12. The motherboard clock frequency was increased in 4-6 MHz intervals for the duration of the overclocking tests, from the 200MHz starting point.

The Crucial PC2-6400 DDR-2 memory quickly passed the 220 MHz point, but thereafter required a little more voltage to remain stable (it was increased to 1.9V from 1.8V). At 236 MHz the system started to BSOD while loading into WindowsXP, and again required the voltage to be increased to 2.0V to keep the overclocking going.

In the end the set of Crucial Ballistix PC2-6400 memory maxed out at a speed of 260 MHz (1040 MHz memory frequency) with low latency timings of 4-4-4-12 and a supplied memory voltage of 2.2V. Any settings higher than this resulted in random BSOD's while running evaluation benchmarks.

Since this is DDR2 memory, PCSTATS also tested high the memory would overclock with really loose 5-5-5-15 timings. For this, 2.2V was supplied and the Crucial Ballistix PC2-6400 was pushed to the socket AM2 Foxconn C51XEM2AA motherboard's top speed of 276 MHz (1104 MHz memory frequency).

Prelude to Benchmarks

The details of how the Crucial Ballistix PC2-6400 memory test system was configured for benchmarking, including the specific hardware, software drivers, operating system and benchmark versions are indicated below. In the second column are the general specs for the reference platforms this pair of PC2-6400 DDR-2 memory is to be compared against. Please take a moment to look over PCSTATS test system configurations before moving on to the individual benchmark results.

PCSTATS Test System Configurations
test system reference system

amd Athlon64 FX-62

Clock Speed:

14 x 200 MHz = 2.8 GHz
11 x 260 MHz = 2.86 GHz


Foxconn C51XEM2AA (NF 590 SLI)



Memory: 2x 1024MB Crucial Ballistix PC2-6400

2x 1024MB Super Talent T800UX2GC4
2x 1024MB Patriot PDC22G8000+XBLK
2x 1024MB Corsair CM2X1024-6400C4

Hard Drive: 74GB Western Digital Raptor WD740
CDROM: AOpen Combo 52x
PowerSupply: PC Power & Cooling TurboCool 510 SLI
Heatsink: Athlon64 FX-62 Reference Heatsink
Software Setup:

Microsoft WindowsXP SP2
nVIDIA Forceware NF4 9.34
nVIDIA Forceware 91.27


Business Winstone 2004
Content Creation 2004
SiSoft Sandra 2005
Doom 3
Quake 4
Battlefield 2

Office Productivity Source: Zdnet

Business Winstone 2004 runs real applications through a series of scripted activities and uses the time a PC takes to complete these activities to produce its performance scores.

Content Creation Winstone 2004 is a system-level, application-based benchmark that measures a PC's overall performance when running top, Windows-based, 32-bit, content creation applications in Windows XP.

Office Productivity
Business Winstone 2004: Points Ranking
2x 1024MB Super Talent T800UX2GC4 (200/800) 36.2
2x 1024MB Patriot PDC22G800+XBLK (200/800) 36.3
2x 1024MB Corsair CM2X1024-6400C4 (200/800) 36.3
2x 1024MB Corsair CM2X1024-6400C3 (200/800) 36.8
2x 1024MB Crucial Ballistix PC2-6400 (200/800) 36.3
2x 1024MB Crucial Ballistix PC2-6400 (260/1040) 37.6
Content Creation 2004: Points Ranking
2x 1024MB Super Talent T800UX2GC4 (200/800) 46.3
2x 1024MB Patriot PDC22G800+XBLK (200/800) 46.7
2x 1024MB Corsair CM2X1024-6400C4 (200/800) 46.2
2x 1024MB Corsair CM2X1024-6400C3 (200/800) 47.3
2x 1024MB Crucial Ballistix PC2-6400 (200/800) 46.4
2x 1024MB Crucial Ballistix PC2-6400 (260/1040) 48.3

Memory that's running at the same speed with the same timings performs at approximately the same level. That much should be evident by looking at these benchmark results. You'll also note that overclocking does not boost office based benchmark results by any significant measure... Let's see what Sandra has to say next.

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Contents of Article: Crucial PC2-6400 Ballistix
 Pg 1.  Crucial PC2-6400 Ballistix 2GB DDR-2 Memory Kit Review
 Pg 2.  — Time to push the Ballistix PC2-6400
 Pg 3.  Benchmarks: SiSoft Sandra, PCMark05, 3DMark05
 Pg 4.  Benchmarks: Doom 3, Quake 4, Battlefield 2
 Pg 5.  Max OC Chart and Conclusions

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