Cassandra and MongoDB are both âNoSQLâ databases, but the reality is that they are very different . They have very different strengths and value propositions â so any comparison has to be a nuanced one. Letâs start with initial requirementsâ¦ Neither of these databases replace RDBMS, nor are they âACIDâ databases.
If your laptop is running on no more than 512MB of RAM with Windows XP or no more than 1GB of RAM with Windows Vista or Windows 7, you should upgrade. You'll notice a significant difference in system performance after upgrading to 2GB with XP or Vista, or to 4GB with Windows 7.
The new SSD is a 512GB Crucial M4 2.5-inch SATA 6Gb/s (SATA III). How we test. In order to record a what difference will a SSD make to a laptop, we put the existing Hitachi Travelstar 5K320 HDD through several tests to measure the previous 'sluggish' performance. Next, we cloned the hard drive and copied its contents to the new Crucial M4 SSD.