Office Productivity Winstone 2004	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
Intel Pentium D 840	25.3
Intel Pentium D 940	27.4
AMD Athlon64 4000+	32.2
AMD Athlon64 FX-60	33.3
AMD Athlon64 X2 5000+	33
AMD Athlon64 FX-62	36.4
Content Creation 2004:	Points	Ranking
Intel Pentium D 840	33.7
Intel Pentium D 940	33.8
AMD Athlon64 4000+	39.7
AMD Athlon64 FX-60	43.6
AMD Athlon64 X2 5000+	41.4
AMD Athlon64 FX-62	46.2

The Office Productivity Winstone 2004 tests put the new Athlon64 X2 5000+ and FX-62 processors in a very good light! Cache plays less of a role here, which is why the Athlon64 X2 5000+ is able to compete with the retired socket 939 flagship Athlon64 FX-60. The fastest processor of the bunch is the Athlon64 FX-62, but then again that's expected of this socket AM2 chip.

SiSoft Sandra 2005	Source: Sandra

Sandra is designed to test the theoretical power of a complete system and individual components. The numbers taken though are again, purely theoretical and may not represent real world performance.

Sisoft Sandra 2005 Benchmark Results
	Multimedia Benchmark		CPU Benchmark		Memory Benchmark
Processors	Integer SSE2:	Floating-Point SSE2:	Dhrystone SSE2:	Whetstone SSE2:	Integer SSE2:	Float SSE2:
Intel Pentium D 840	35981	42592	17318	4586 FPU / 7891 SSE2	5076	5071
Intel Pentium D 940	36005	42695	16953	4596 FPU / 7899 SSE2	5087	5087
AMD Athlon64 X2 4800+	45781	49521	20272	7608 FPU / 9852 SSE2	5828	5777
AMD Athlon64 FX-60	49259	53793	22016	8257 FPU / 10704 SSE2	5888	5949
AMD Athlon64 X2 5000+	48914	53776	22005	8196 FPU / 10698 SSE2	6632	6563
AMD Athlon64 FX-62	52689	57918	23702	8899 FPU / 11522 SSE2	7068	6985
Units:	it/s	it/s	MIPS	MFLOPS	MB/s	MB/s

Those dual core SiSoft Sandra numbers are very sweet indeed! Memory bandwidth on the new Socket AM2 systems is considerably higher than its DDR counterparts, and even higher than what we're seeing from Intel Pentium D processors.