PCMark04	Source: FutureMark

PCMark04 is an application-based benchmark and a premium tool for measuring overall PC performance. It uses portions of real applications instead of including whole applications or using specifically created code. This allows PCMark04 to maintain a smaller installation size while still giving accurate results.

PCMark04
Overall:	Points	Ranking
2x 512MB Patriot PEP5125600ELK PC5600 (200/400)	4844
2x 512MB Corsair TwinX1024-3200XL PRO (200/400)	4969
2x 512MB Centon GEMiNi PC3200 (200/400)	4970
2x 1024MB OCZ PC4000 Gold (200/400)	5206
2x 1024MB Corsair TwinX2048-4400 Pro (200/400)	5184
2x 1024MB Corsair TwinX2048-4000PT (200/400)	5074
2x 1024MB Corsair TwinX2048-4000PT (290/580)	5345
Memory:	Points	Ranking
2x 512MB Patriot PEP5125600ELK PC5600 (200/400)	5656
2x 512MB Corsair TwinX1024-3200XL PRO (200/400)	5655
2x 512MB Centon GEMiNi PC3200 (200/400)	5626
2x 1024MB OCZ PC4000 Gold (200/400)	5596
2x 1024MB Corsair TwinX2048-4400 Pro (200/400)	5622
2x 1024MB Corsair TwinX2048-4000PT (200/400)	5621
2x 1024MB Corsair TwinX2048-4000PT (290/580)	6311

Stock PCMark04 numbers from the Corsair TwinX2048-400PT are slightly lower than with the other DIMMs, but not enough for users to notice. Overclocking does little for the overall score but boosts memory numbers nicely.

PCMark05	Source: FutureMark

PCMark05 is a premium tool for measuring both normal home use and simple 3D performance of the latest PC hardware. There are 11 system tests - each one is designed to represent a certain type of PC usage. By running these tests, PCMark05 stresses the components in a similar manner as they are stressed in normal home usage.

PCMark05
Overall:	Points	Ranking
2x 512MB Patriot PEP5125600ELK PC5600 (200/400)	4588
2x 512MB Corsair TwinX1024-3200XL PRO (200/400)	4592
2x 512MB Centon GEMiNi PC3200 (200/400)	4604
2x 1024MB OCZ PC4000 Gold (200/400)	4660
2x 1024MB Corsair TwinX2048-4400 Pro (200/400)	4633
2x 1024MB Corsair TwinX2048-4000PT (200/400)	4682
2x 1024MB Corsair TwinX2048-4000PT (290/580)	4882
Memory:	Points	Ranking
2x 512MB Patriot PEP5125600ELK PC5600 (200/400)	4231
2x 512MB Corsair TwinX1024-3200XL PRO (200/400)	4236
2x 512MB Centon GEMiNi PC3200 (200/400)	4255
2x 1024MB OCZ PC4000 Gold (200/400)	4227
2x 1024MB Corsair TwinX2048-4400 Pro (200/400)	4238
2x 1024MB Corsair TwinX2048-4000PT (200/400)	4277
2x 1024MB Corsair TwinX2048-4000PT (290/580)	5143

PCMark05 numbers mirror PCMark04 and here at stock speeds, everything is very close. Overclocking the memory does little for the overall score but boosts memory numbers to 5143.