The Samsung 750 EVO (120GB & 250GB) SSD Review: A Return To Planar NAND
by Billy Tallis on April 22, 2016 8:00 AM ESTAnandTech Storage Bench - The Destroyer
The Destroyer is an extremely long test replicating the access patterns of very IO-intensive desktop usage. A detailed breakdown can be found in this article. Like real-world usage and unlike our Iometer tests, the drives do get the occasional break that allows for some background garbage collection and flushing caches, but those idle times are limited to 25ms so that it doesn't take all week to run the test.
We quantify performance on this test by reporting the drive's average data throughput, a few data points about its latency, and the total energy used by the drive over the course of the test.
The Destroyer has earned its name here. The 750 EVO is clearly the slowest modern SSD on this test, showing that it is not suitable for sustained intense workloads with a high volume of writes. Almost any other SSD currently on the market will perform better under pressure, including competing TLC drives.
The 750 EVO also sets new records for slow responses, with average service times on par with standard hard drive seek times. Though since The Destroyer has an average queue depth of about 5.5, a mechanical hard drive would still be several times worse by this metric. Conversely, the best MLC SSDs are almost ten times quicker than the 750 EVO.
With over 10% of operations taking more than 10ms, we can't quite refer to them as outliers anymore. At the 100ms threshold, the 750 EVO has twice as many outliers as anything else.
The substantially higher energy usage of the 750 EVOs is a straightforward consequence of them taking much longer than everything else to complete the test: The 120GB 750 EVO took just over 17 hours to complete this test while the 120GB PNY CS1311 took only 13.5 hours and the 128GB 850 Pro needed only 10 hours.
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DanNeely - Friday, April 22, 2016 - link
The cheap SSD will still blow the spinning rust in the other crappy TN 720p laptop out of the water.jabber - Friday, April 22, 2016 - link
Yeah amazing how limited people's imaginations are when it comes to hardware and other peoples usage needs. Unless it's pushing 2GBps it's junk. Tedious people. If every laptop in the world with a cheap 5400rpm HDD in it swapped to one of these 'bottom of the barrel' Samsung SSDs, it would be a revelation. Make my job of support a lot easier and faster.Movieman420 - Friday, April 22, 2016 - link
Keep in mind, launch prices are always a bit high. Sammy could sell em for less at retail...but they're really not after retail with the 750...they wanna move em in bulk minus retail packaging costs. As far as performace, they're just right...for the intended market. As a budget OEM part, the vast majority of end users (80% maybe?) will fall in Anands light bench metric where this drive makes a pretty good showing. Any better would risk cannibalizing EVO sales. Overall, this product and placement was well thought out by Samsung...as usual....and from a performance standpoint a lil over-provisioning goes a long way. I'm assuming it's not compatible with magician's RAPID mode...unless say your a huge oem customer who'd pay a tad extra and make it a performance offering in more expensive lappys with enuff ram.
iwod - Friday, April 22, 2016 - link
What we need to know is final street price, not launch price.Because as it stand i have Zero reason to buy them. It needs at least a 50% price cost.versesuvius - Saturday, April 23, 2016 - link
As long as Samsung is clearing unused chips from its stock, it could just offer these drives for $25 each to make a gesture of good will towards its existing customers and make some new ones too.The_Assimilator - Saturday, April 23, 2016 - link
Good to see you're "revieiwng" this drive. Could you maybe consider reviewing a spellchecker and/or editor in future?zodiacfml - Saturday, April 23, 2016 - link
Cheapest option but purchased separately, $10 difference is not worth it.The perrformance of the 850 is useful for most people savvy enough to replace drtives.
serendip - Saturday, April 23, 2016 - link
$10 may be a big BOM savings for large system builders but it's pocket change for consumers looking to upgrade from a hard drive. This drive probably isn't aimed at you :)I wouldn't trade $10 for half the write longevity and potentially other issues from using planar TLC. The 850 Evo is still the king and the Sandisk Ultra II is also a good deal when it goes on sale.
Peroxyde - Sunday, April 24, 2016 - link
How is the Corsair LE compared to 850 EVO, 750 EVO? In terms of reliability?odedia - Sunday, April 24, 2016 - link
According to Amazon.com, this drive is currently more expensive then the 250gb 850 Evo. Makes zero sense to buy this today. maybe in a year it will be priced accordingly.