They are both old drives so shouldn't be expected to perform up to the latest and greatest. But, pretty much, all things being equal, every HD is going to test out the same as it's "batch mate".
You can compare it with the sample in the storage review test http://www.storagereview.com/ST3750640NS.sr?page=0%2C1
DTR from 78.3 to 44.3
AT's from 12.3 - 13.5
To get an understanding of disk benchmarks read the "how we test" sections of the storage review site.