MacBook Air SSD Benchmarks: 2010 vs 2010

[An interesting test comparison between MacBook Airs with and without FileVault turned on](http://thepracticeofcode.com/post/8681712620/macbook-air-ssd-benchmarks-2010-vs-2011-vs-lion) has been making the rounds. I was ready to publish a link to this post, but then I decided to run the FileVault ‘on’ test with my MacBook Air. Here’s where my numbers fall in comparison to the linked posts: Machine: 2010…

[An interesting test comparison between MacBook Airs with and without FileVault turned on](http://thepracticeofcode.com/post/8681712620/macbook-air-ssd-benchmarks-2010-vs-2011-vs-lion) has been making the rounds. I was ready to publish a link to this post, but then I decided to run the FileVault ‘on’ test with my MacBook Air. Here’s where my numbers fall in comparison to the linked posts:

Machine: 2010 FV (Jay’s) 2010 FV (Ben’s)
Sequential
Uncached Write 4K 120.4 MB/sec 167.14 MB/sec
Uncached Write 256K 75.9 MB/sec 92.07 MB/sec
Uncached Read 4K 12.7 MB/sec 12.86 MB/sec
Uncached Read 256K 90.9 MB/sec 98.2 MB/sec
Random
Uncached Write 4K 46.0 MB/sec 45.76 MB/sec
Uncached Write 256K 72.4 MB/sec 84.54 MB/sec
Uncached Read 4K 6.7 MB/sec 9.36 MB/sec
Uncached Read 256K 66.2 MB/sec 82.34 MB/sec

So my machine performs better in most tests — what needs to be noted is that the machine specs are vastly different. Jay is using an 11.6″ Air with the 1.6 Core 2 Duo processor, 4GB of RAM and the 128GB Toshiba SSD. I am using a 13″ MacBook Air with a 2.13 Core 2 Duo processor, 4GB of RAM and the 256GB Toshiba SSD. I am not sure if it is the processor, SSD size or the possible difference in free space on the drive accounting for the difference (or all of the above) — but there *is* a difference. Even with the performance difference I still don’t notice it.

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