SSD really slow

[zektro]

Is true or false that reformatting an SSD few times can decrease performance/speed?! I've recentely installed an Samsung 750 EVO 120GB Model SATA3 that I bought it in at the beginning of December 2016. I admit that I formatted it about twice times since I installed it on my PC. Also when I did clean install of Windows 10, was kinda really slow even than my HDD from Western Digital. Should I upgrade it to an Samsung 960 EVO 250GB M.2?!

 

[TJ Hooker]

Nope, reformatting should have no effect on speed.

What is slow, boot time, loading applications, both? Are your OS and the applications in question installed on the SSD? How full is the SSD?

 

[zektro]

Well, since it has 111 GB real instead of full-ish 120 GB, it only remains 80 GB. Yes, OS and all aplications runs both on SSD. I kept my HDD for games. Also, the boot time it takes more than 20 sec sometimes.

 

[TJ Hooker]

20 seconds or a little more from when you press the power button until you get to the desktop really isn't bad... I find it very hard to believe your HDD was faster than that. Also, 120 GB SSDs in general tend to be a little slower than larger capacity SSDs.

 

[zektro]

Huh... So, an 250GB Samsung 960 EVO M.2 should be arhi-enough. That would mean less seconds of boot time until get to the desktop and more space for few apps and drivers. Right?!

 

[USAFRet]

Well, since it has 111 GB real instead of full-ish 120 GB, it only remains 80 GB. Yes, OS and all aplications runs both on SSD. I kept my HDD for games. Also, the boot time it takes more than 20 sec sometimes.

Windows reporting 111GB on a "120GB" drive is absolutely normal and to be expected.
That is just a difference in how the space is counted.
Base 2 vs base 10
Computer vs Human.

"20 second boot time"
20 seconds from what? Full power off and hitting the power button, to a usable desktop?
That is pretty normal.