Samsung Galaxy Note II 16GB Smartphone Review – AT&T 4G LTE

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Samsung Galaxy S III Flash Memory Speed Tests

Before we conclude our testing on the Samsung Galaxy Note II we wanted to see how fast the phone could read and write to the microSD card and its own internal storage. One of the main selling points of Android smartphones is that nearly all of them have expandable storage. We wanted to see how fast the phone could read and write data to this interface.

SanDisk Extreme Pro microSDHC UHS-I card

For testing the microSD slot we will be using the SanDisk Extreme Pro microSDHC UHS-I 16GB memory card, which just happens to be the astest microSDHC memory card in the world. This card is class 10 and UHS Speed Class 1 rated (UHS-104). With a read speed of 95 MB/sec it means that this card is speed rated at 633x for those looking for
CompactFlash IDE emulation speed numbers. The write speed isn’t much slower at 90 MB/sec or 600x. These are impressive ratings and this card should be able to easily handle full HD video and blazing data transfer speeds.

SanDisk Extreme Pro microSDHC UHS-I card

Keep in mind that we are testing the Galaxy Note II 16GB version.  The total space available for use on this device was 10.97GB. We ran the SD Card Tester v1.0.5 App and found that it worked great on the Samsung Galaxy Note II Smartphone.

SD Card Tester App

With
the file size set to ~2500MB the benchmark showed the internal storage had write speeds at 18.36
MB/s and read speeds at 34.15 MB/s.

SD Card Tester App

We then used a custom path to mount the SanDisk Extreme Pro microSDHC UHS-I memory card and 17.39 MB/s read speeds and 12.05 MB/s write speeds. These
speeds are slower than what the rated speed of the microSDHC card is capable of and slower than the internal speeds of the phone. So, just a heads up that a high-end enthusiast microSD card might not be needed, but a Class 10 card would be fully used as read and write speeds are over 10MB/s.

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