The new iPhone s6 and iPhone 6s Plus are equipped with 2 GB of RAM, while the Galaxy Note 5 from Samsung has 4 GB. This test speed and multitasking two fighters will teach you that more is not always better.
The team with the YouTube channel Phonebuff is known for this kind of performance tests in which devices in less time trying to perform a number of tasks. Among them is the launch sequence system but also installed applications such as games and the like. The amount of RAM is an important issue here, but I RAM management, that is how I handled the OS available working memory is crucial.
With this in mind, you would conclude that the device with 4 GB of RAM without errors wins the device with 2 GB of RAM.