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Mac mini Xbench Comparative Performance Benchmarks

Last updated: May 16, 2021 9:29 am UTC
By Jeremy Horwitz

The XBench test results for eight Mac OS X computer configurations are shown below. Six of the configurations are Mac mini computers with different amounts of RAM. Two are high-end PowerBook G4 computers, one running under typical, unoptimized conditions, the other optimized for maximum benchmark performance. All tests except “PowerBook 1.5Ghz 1GB RAM” were run at 1024×768 resolution.

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The 1.5Ghz 1GB RAM test results were taken from the peak performing 1.5GHz PowerBook listed on the comparisons page at XBench.com.

Higher scores are better. A score of 100 on any test shows equivalent performance to a dual-processor G4 Macintosh that was touted by Apple as 83 percent faster on Adobe Photoshop than a 1.7GHz Pentium 4 Windows PC. In every case except disk speed, the lowest-priced Mac mini configuration was over 11% faster than that reference machine, and frequently upwards of 30% faster.

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More expensive Mac mini configurations show 25% to 75% performance increases. As such, even the cheapest Mac mini will likely represent a performance improvement for low-end PC users who have not upgraded over the last several years.

The results also broadly suggest that an increase of Mac mini RAM from 256MB to 512MB yields a noticeable performance increase for both CPU-intensive tasks and regular use of a Mac mini’s user interface, regardless of clock speed. Mac minis use slower hard disks than the PowerBooks and therefore had lower disk speeds.

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In many cases, the Mac minis outperformed the unoptimized PowerBook 1.5Ghz machine in the benchmarks despite lower CPU clock speeds; however, an ideally optimized PowerBook can outperform all competitors by some margin. For reference, a well-oiled but not perfect PowerBook will score closer to the 150 mark overall, and will not see the dramatic performance jumps indicated in the User Interface and Disk Test sections below.

Overall Score

Overall Score reflects the cumulative results of seven major tests of system performance (and their associated sub-tests), as broken down below.

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CPU Test

CPU Test consists of five tests that collectively measure one processor running one application with different sorts of math processes.

Model Processor Memory Time (seconds)
Mac mini 1.25Ghz 256MB 114.36
Mac mini 1.25Ghz 512MB 116.01
Mac mini 1.25Ghz 1GB 116.12
Mac mini 1.42Ghz 256MB 144.99
Mac mini 1.42Ghz 512MB 144.60
Mac mini 1.42Ghz 1GB 145.30
PowerBook 1.5Ghz 512MB 115.21 (unoptimized)
PowerBook 1.5Ghz 1GB 182.43 (best measured)
Model Processor Memory Time (seconds)
Mac mini 1.25Ghz 256MB 137.60
Mac mini 1.25Ghz 512MB 151.97
Mac mini 1.25Ghz 1GB 152.59
Mac mini 1.42Ghz 256MB 161.67
Mac mini 1.42Ghz 512MB 172.25
Mac mini 1.42Ghz 1GB 169.04
PowerBook 1.5Ghz 512MB 116.82 (unoptimized)
PowerBook 1.5Ghz 1GB 180.97 (best measured)

Thread Test

Thread Test uses two tests to simulate multiple applications or a single application running multiple processes at once.

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