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National Standards Testing Laboratory
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October 1999

Xi 650K Mtower SP

The Xi 650K Mtower SP is an AMD K7 Athlon 650-MHz system with MMX multimedia enhancement technology. It comes standard with 256 MB of memory and is upgradeable to 768 MB using SDRAM memory modules. Xi installs a 22-GB hard drive, a 50x CD-ROM drive, and a 56K fax/modem. Xi Computer Corp. is an AutoCAD Workstation manufacturer.
Overall Score
28.8
Best-Tested
28.8
This Product
16.0
Average*
6.1
Worst-Tested
The Diamond V770U AGP graphics accelerator supports 32 MB of video memory and resolutions up to 1,600 x 1,200 pixels. Two USB ports are located on the back of the Xi 650. It also includes a Creative AWE Live PCI sound card with Altec Lansing ACS45 speakers. Xi provides a first-year on-site warranty and three-year hardware warranty.

Usability Score

17.1
Best-Tested
17.1
This Product
13.3
Average*
4.3
Worst-Tested
NSTL assesses the performance of each system with a suite of applications-based and low-level InterMark tests. To calculate performance scores we compare the results of each test against the performance of a standard machine (for desktop systems we use a Pentium 100MHz commercial grade desktop) and generate a ratio based on a score of 1 for the standard machine. Thus a score of 2 means that a system is twice as fast as our test standard. Scores above 1.5 indicate a fast machine.


Performance Score

4.7
Best-Tested
4.7
This Product
2.4
Average*
0.8
Worst-Tested

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