Mac SSD performance and TRIM in OSX

July 1, 2010 | 08:23

Tags: #macbook-air #os-x #ssd #ssd-performance #trim

Companies: #apple

Quickbench - Random Write results

Website: Quickbench

Quickbench, like the ATTO tool we use on Windows systems, tests a drive's ability to deal with reading and writing files of various sizes. The standard test sequentially and then randomly writes and reads files from 4KB to 1,024KB.

Quickbench

4KB Random Write Speed

  • Macbook Pro
  • Macbook Air (clean)
  • Macbook Air (dirty)
  • 0.8
  • 5.6
  • 5.6
0
1
2
3
4
5
6
MB/sec, higher is better

Quickbench

64KB Random Write Speed

  • Macbook Pro
  • Macbook Air (clean)
  • Macbook Air (dirty)
  • 11.4
  • 18.8
  • 17.9
0
5
10
15
20
MB/sec, higher is better

Quickbench

1024KB Random Write Speed

  • Macbook Pro
  • Macbook Air (clean)
  • Macbook Air (dirty)
  • 29.2
  • 53.4
  • 44.7
0
10
20
30
40
50
MB/sec, higher is better

Quickbench

Average Random Write Speed

  • Macbook Pro
  • Macbook Air (clean)
  • Macbook Air (dirty)
  • 12.5
  • 25.0
  • 22.3
0
5
10
15
20
25
MB/sec, higher is better

For analysis of these results, please see the Results Analysis page.
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