Difference between 840 EVO and 850 EVO?

[Spewky]

Hey,

 

I was looking through SSDs when I found a Samsung 850 EVO for 120 USD and I thought it was a good deal. But I also hear a lot about the Samsung 840 EVO and I'm not sure which to go with... Is one better than the other? What's the difference?

 

Also I've heard of the Samsung 850 PRO, anything different with that and is it worth it?

 

When I'm looking at SSDs, it says that it has a certain "controller" type or something... What does that mean and what can that do? Does it mean you can download software that lets you examine your SSD and configure it and all?

 

Which should I go with... I'm hoping to get a 256GB SSD.

 

Thanks!

[Nineshadow]

3D NAND flash memory in the 850 evo.

[Spewky]

3D NAND flash memory in the 850 evo.

Is that good? 

[drewjn]

Basic nand technology was spacing the components to keep performance and size and number was limited. 3d nand allowed better stacking as they are literally on top of each other, rather than side by side. Sort of a layman's explanation, but best way I can describe it. Let us just say that the 850 is as decent as the 840 is reliable and trusted.

 

 

 

For speeds, benchmarks and quality, check through google or bing for reviews and comparisons. 850 pro outperforms the evo by a decent margin, and 850 to 840 is quite noticeable. If you are new to ssds period, it might not even be that noticeable compared to the initial switch between hdds and sdds to begin with.

 

For common internal ssds, no pci or specialized versions (rating by memory):

Samsung 850 pro =/> Intel 730 > Samsung 840 pro > Samsung 850 evo = Crucial mx100 > Samsung 840 evo = Intel 530 = Crucial 550 > (most others)

 

You can also raid.0 two cheap ssds (like adatas) to outperform single ssds. Depends on your budget and interest. Just don't touch kingston/hyper-x ssds as they have some sketchy issues with revisions and build quality (partically the ssdnow3 and the horrible benchmarks of the hyperx ssd).