Once you install a new operating system, you immediately notice the results.
That is the case with good operating systems. The update always brings a series of improvements and new features. In the case of the Android 5.1 Lollipop, the first beneficiaries are the Nexus 6 and the Nexus 5. Both handsets work incredibly better and faster with the new update. A test by Androbench storage shows just how better the phones are.
Random Read and Random Write
The first results of the test are in the area of Random Read and Random Write. Both the Nexus 5 and the Nexus 6 are improved, but just how much?
The results of the Nexus 6 show a score of 17.53 Random Read with the Android 5.1 and 7.32 score with the Android 5.0 Lollipop. Or in other words, the phone is almost three times faster. The random write results are even more staggering, with the Nexus 6 scoring 12.21 with the Android 5.1 and 1.36 with the Android 5.0 Lollipop.
The Nexus 5, records a score of 12.52 on the Random Read test with the Android 5.1 and 9.81 with the Android 5.0. While the improvements are not drastic as with the Nexus 6, they are still significant. The Random Write test shows scores of 3.14 with the Android 5.1 and 0.75 when the phone runs on the Android 5.0.
Sequential Read and Write
In this section, the Nexus 6 scores 27.20 megabytes per second when running on the Android 5.1 and 25.17 when running on the Android 5.0. Those are the results for Sequential Read. In the area of Sequential write, the Nexus 6 scores 19.93 with the Android 5.1 and 18.02 with the Android 5.0 Lollipop.
The Nexus 5 shows an improvement in Sequential Write, but decrease in performance of Sequential Read. To put it in numbers, the Nexus 5 scores 74.83 with the Android 5.1 on the Sequential Read test, and 83.58 with the Android 5.0. In the Sequential Write test, the device scores 23.27 when running on the Android 5.1 and 18.75 when running on the Android 5.0 Lollipop.
The Difference in Power
The answer why the phones show better performances with the Android 5.1 Lollipop is simple; it is just the way the OS works. When the phone runs on the Android 5.0 Lollipop, two of the four cores shut down if the phone is idle. When operating on the Android 5.1 Lollipop, all the four cores work even when the phone is idle. Now, this might burn more battery power, but the phone is a lot faster. And let’s face it; the biggest usage of battery power comes from the display and the resolution.
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