Low End Mac • Benchmarks

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Benchmarks: 660av Known as both a Centris and a Quadra, the 660av uses a 25MHz 68040 CPU. The hard drive is a 230MB Apple-branded Quantum mechanism formatted with Drive Setup 1.4. Also tested was an older external 160MB drive formatted with Drive Setup 1.4. The drives were not optimized before benchmarking. Remember that benchmarks are arbitrary. They measure certain types of performance that may or may not reflect the way you work. Speedometer 3.06 Speedometer 3 refused to run on the 660av, generating a Type 1 error. Speedometer 4.02 The system was tested on 6 January 1999 under System 7.5.5 and 8.1 with inessential extensions off. The 660av was attached to a 14" color monitor and tested in 24-bit video mode unless otherwise noted. Results are relative to a Quadra 605, which rates 1.0. Numbers are rounded off to two decimal places. These numbers compare performance at different cache settings with System 7.5.5. cache CPU graphics disk math 32KB 0.89 1.01 1.45 14.99 64KB 0.89 1.02 1.44 14.99 128KB 0.89 1.03 1.48 14.99 256KB 0.89 1.06 1.59 14.99 512KB 0.89 1.02 1.70 14.99 1MB 0.89 1.02 4.34 14.89 These numbers compare performance at different cache settings with Mac OS 8.1. cache CPU graphics disk math 32KB 0.89 1.02 1.48 14.99 64KB 0.89 1.01 1.48 14.99 128KB 0.89 1.03 1.48 14.99 256KB 0.89 1.03 1.59 14.99 512KB 0.89 1.02 1.69 14.99 1MB 0.89 1.02 4.37 14.99 The cache setting should have no significant influence on non-disk tests, which these numbers bear out, nor does the use of Mac OS 8.1 vs. System 7.5.5. As with most Macs, cache size makes no appreciable difference below 256KB. Because Speedometer uses a 1MB test file, as the size of the disk cache passes 256KB, performance improves, reaching a maximum at 1MB, where the entire test file is cached. Testing the external drive resulted in identical figures, except for much lower (0.96 to 1.01) disk scores. Testing at different video settings (b&w, 16 colors, and 256 colors) demonstrated an exceptionally stable video system: graphic scores ranged from 1.01 to 1.06 in all tests. <back to 660av page> MacPromote Xchange   Member of the Mac Web Network Low End Mac established April 7, 1997. This page, the entire Low End Mac site, and all subsites of <http://lowendmac.net/> copyright ©1997, 1998, 1999 by Dan Knight unless otherwise noted. All rights reserved. Apple, the Apple logo, Macintosh, and iMac are registered trademarks of Apple Computer, Inc. Additional company and product names may be trademarks or registered trademarks of the individual companies and are hereby acknowledged.