The pop in of Flash memory in both of them is different.
Kingston was released in first quarter of 2017 and Crucial in laster quarter of 2017.
The price of a 250GB SSD for both of them is between $28 and $39 respectively.
You could get a smaller 120GB SSD with Kingston.
The maximum capacity is 960GB.
you’ve got the option to get both M.2.2280 and SATA 3 variants.
Using Crucial you’re free to get a minimum of 250GB and a maximum of 2TB SSD.
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Kingston A400 Benchmarks
The 120GB Kingston A400 performs 10x times better than acommon hard-drive.
The below image are benchmarks taken with CrystalDiskMark 5.2.1 on a 64 bit OS, using SATA 2 slot.
Ideal for desktops and notebooks.
It has a 7mm form factor to wider array of systems.
The difference between HDD and SSD can be seen in the image below.
The read/write speeds almost doubled, even with a SATA 2 interface slot.
The speed benchmarks almost doubled using 6 gbps version.
Using an i3 processor PC, the difference in benchmarks using HDD and SSD can be seen.
The read/write 4KiB benchmarks have improved 30 times.
The sequential read/write speeds were 2 to 3 times that of a hard disk.
Accelerated by Micron 3D NAND technology.
These work by using series of floating gate transistors which can be changed to 0 or 1.
These memory blocks are arranged in a 2D layout.
As technology improved, more memory blocks could be fit onto a single die.
This increased the capacity of flash memory.
3D NAND technology stacks up memory cells in vertical layers to increase storage density.
There will be 32 layers.
This increases the amount of data that can be stored in one die.
Also the interference between the cells is reduced.
It can use both SLC (single level cell) and MLC (multi level cell) technology.
So it has been only 2 years and both are available for below $50 for 250GB SSD.
The speed benchmarks favor Crucial MX500 due to its new technology and cache features.
The sequential and random write speeds are much faster using Crucial MX500 compared to Kingston A400.
The 4K Random Mixed IO and Sustained speed are 100% better than Kingston A400.
Based on user rating, Crucial MX500 is more popular.
But the amount of market share Kingston A400 commends almost 4 times that of Crucial MX500.
it’s possible for you to always buy a smaller SSD if you are on a budget.
In the 240GB version also, it costs $10 less than Crucial MX500.
But it provides free cloning software and caching abilities with more robust speeds.
