If we only stick to the costs, both SSDs are reasonably priced (although the QVO model is often sold and cheap). In terms of reference, these are the prices for 1 TB variants of both types:
But let's take a look at what technical features these two state-of-the-art machines use to see if they are superior to one another, or on the other hand, and not over the other and worth considering the price when you buy them.
Samsung 860 EVO vs 860 QVO technical comparisons
Samsung 860 EVO vs 860 QVO
|Samsung 860 EVO||Samsung 860 QVO|
|Formats||2,5 ", M.2, mSATA||2,5 "|
|Agreement||SATA 3||SATA 3|
|Power (GB)||250, 500, 1000, 2000, 4000||1000, 2000, 4000|
|Ver. Reading||550 MB / s||550 MB / s|
|Ver. Actions||520 MB / s||520 MB / s|
|MTBF||Up to 2400 TBW (4 TB). 600 TBW in 1 TB model.||Up to 1,440 TBW (4TB). 360 TBW in 1 TB model.|
|Technology||Samsung V-NAND||3D NAND QLC|
|Warranty||5 years||Three years|
It is clear that depending on the performance of the theory we have no winner, because their speed is the same. Both SSDs use a controller Samsung MJX and they have it 1 GB of DDR4LP SDRAM cache, so this data is completely normal.
We found the difference depending on the components offered, because while the 860 QVO is only available in the 2.5-inch format, the 860 EVO is also offered in the M.2 and mSATA format.
The main difference between the two SSDs lies in the type of chip used; while the Samsung 860 EVO uses chips 3D NAND QLC
Samsung 860 EVO support for TRIM support, 256-bit AES encryption support, S.M.A.R.T. support, DevS sleep support and Garbage, and should have a 1.5 million hours hardness.
For its part, the Samsung 860 QLC is slightly expanding those features, because in addition to the support of TRIM, SMART, DevS sleep and Garbage, it adds encryption compatibility with AES-256, TCG / Opal and IEEE1667, in addition to support for WWN.
Alternatively, they are two identical SSDs depending on their additional features, including compatibility with Samsung Magician software.
Which of these two is worth buying?
As we have seen in this technical comparison of the Samsung 860 EVO vs 860 QVO SSDs, they are very similar SSDs in terms of features and performance, but the EVO model wins in terms of stability, and it does so with cracking.
In other words, unless given the excellent 860 QVO that makes the price difference, the 860 EVO is a better SSD because, with equal performance, it has better durability and will be a tool that will last longer.