IO Meter
We compared the Western Digital Caviar Green AFT 3 TB to the Western Digital Caviar Green AFT 2 TB. For more performance comparisons, please take a look at The Hard Disk Drive Performance Comparison Guide.
Throughput (Sequential Access)
Test |
Caviar Green 3 TB |
Caviar Green 2 TB |
Difference |
512 KB Read |
114.38 MB/s |
122.59 MB/s |
- 6.7% |
512 KB Write |
114.16 MB/s |
122.34 MB/s |
- 6.7% |
4 KB Read |
53.62 MB/s |
55.27 MB/s |
- 3.0% |
4 KB Write |
41.00 MB/s |
42.17 MB/s |
- 2.8% |
Sequential Access Time
Test |
Caviar Green 3 TB |
Caviar Green 2 TB |
Difference |
512 KB Read |
4.37 ms |
4.08 ms |
+ 7.1% |
512 KB Write |
4.38 ms |
4.09 ms |
+ 7.1% |
4 KB Read |
0.07 ms |
0.07 ms |
- |
4 KB Write |
0.09 ms |
0.09 ms |
- |
CPU Utilization (Sequential Access)
Test |
Caviar Green 3 TB |
Caviar Green 2 TB |
Difference |
512 KB Read |
0.26% |
0.41% |
- 36.6% |
512 KB Write |
0.36% |
0.49% |
- 26.5% |
4 KB Read |
5.34% |
5.33% |
+ 0.2% |
4 KB Write |
4.32% |
4.79% |
- 9.8% |
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• The 3 TB WD Caviar Green |
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• HighPoint Rocket 620 SATA Controller |
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5 |
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6 |
• Maximum Surface Temperature |
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9 |
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