SYSmark2004	Source: Bapco

SYSmark 2004 is BAPCo's latest revision of the mainstream office productivity and Internet content creation benchmark used to characterize the performance of the business client. It is based on a foundation of extensive research into emerging usage models and computing trends and incorporates the latest benchmarking methodologies to evaluate platform technologies. SYSmark 2004 contains scientifically designed workloads that represent the range of activities that an office productivity or Internet content creation work may encounter. In addition to extensive validation across multiple platforms, users can be sure of a consistent and reliable performance comparison.

SYSMark 2004:
Internet Overall:	Points	Ranking
Shuttle XPC SD11G5 (915GM 133/533)	257
AOpen Mini PC MP915-B (915GM 133/533)	207
3D Creation:	Points	Ranking
Shuttle XPC SD11G5 (915GM 133/533)	223
AOpen Mini PC MP915-B (915GM 133/533)	196
2D Creation:	Points	Ranking
Shuttle XPC SD11G5 (915GM 133/533)	275
AOpen Mini PC MP915-B (915GM 133/533)	243
Web Publication:	Points	Ranking
Shuttle XPC SD11G5 (915GM 133/533)	266
AOpen Mini PC MP915-B (915GM 133/533)	237
Office Overall:	Points	Ranking
Shuttle XPC SD11G5 (915GM 133/533)	198
AOpen Mini PC MP915-B (915GM 133/533)	166
Communication:	Points	Ranking
Shuttle XPC SD11G5 (915GM 133/533)	204
AOpen Mini PC MP915-B (915GM 133/533)	175
Document Creation:	Points	Ranking
Shuttle XPC SD11G5 (915GM 133/533)	188
AOpen Mini PC MP915-B (915GM 133/533)	173
Data Analysis:	Points	Ranking
Shuttle XPC SD11G5 (915GM 133/533)	197
AOpen Mini PC MP915-B (915GM 133/533)	188

The Shuttle XPC SD11G5 is slightly faster than the AOpen Mini PC, this is due to the AOpen system only using a single channel memory controller and a slightly slower 2.5" HDD as opposed to the 3.5" WD Raptor. While there is a difference in the numbers, I doubt you'll really notice it.

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
Shuttle XPC SD11G5 (915GM 133/533)	27.3
AOpen Mini PC MP915-B (915GM 133/533)	23.7
Content Creation 2004	Points	Ranking
Shuttle XPC SD11G5 (915GM 133/533)	33.1
AOpen Mini PC MP915-B (915GM 133/533)	29.6

In the Office productivity tests, the AOpen Mini PC MP915-B trails the Shuttle SFF PC slightly again. The margin of difference is pretty small.