The ADATA Ultimate SU750 1TB SSD Review: Realtek Does Storage, Part 1
by Billy Tallis on December 6, 2019 8:00 AM ESTAnandTech Storage Bench - Light
Our Light storage test has relatively more sequential accesses and lower queue depths than The Destroyer or the Heavy test, and it's by far the shortest test overall. It's based largely on applications that aren't highly dependent on storage performance, so this is a test more of application launch times and file load times. This test can be seen as the sum of all the little delays in daily usage, but with the idle times trimmed to 25ms it takes less than half an hour to run. Details of the Light test can be found here. As with the ATSB Heavy test, this test is run with the drive both freshly erased and empty, and after filling the drive with sequential writes.
The ADATA Ultimate SU750 actually manages to outperform one of the mainstream SATA drives on the Light test, though that's more due to the Crucial MX500 misbehaving than the SU750 being fast. When the test is run on a full drive, the SU750 drops to last place, but isn't far behind the other two entry-level SATA drives.
The average latency scores for the SU750 are fine when the Light test is run on an empty drive, and are at least better than the other entry-level drives for the full-drive test runs. The 99th percentile latency scores are similarly not too far behind mainstream SATA drives, and the full-drive latency doesn't have the QoS problems the Samsung 860 QVO experiences.
The SU750 has a bit of a problem with average read latency when the Light test is run on a full drive, but otherwise its average read and write latency scores are barely slower than typical mainstream SATA drives.
The 99th percentile read latency scores from the SU750 suffer a greater full-drive performance penalty than most other SATA drives experience, but nowhere near as bad as the 860 QVO. The SU750's 99th percentile write latency is fine for both empty and full drive test runs.
As usual, the SU750 has some of the highest energy usage scores, matched by the Samsung 860 QVO and the two NVMe drives. However, unlike the more difficult ATSB tests, the gap between the SU750 and the mainstream SATA drives is relatively small.
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brucethemoose - Friday, December 6, 2019 - link
Depends how much you write. An HDD is great stone cold or hot bulk data, but I'd trust a big, cheapo SSD more for my "lukewarm" stuff, where I'm reading it every once in awhile, but not writing enough to wear the QLC out.flyingpants265 - Friday, December 6, 2019 - link
For stuff I actually don't want to lose, which is not that much (200gb or so), I have it on SSD, HDD, and another offline HDD which is unplugged.TheinsanegamerN - Sunday, December 8, 2019 - link
Your average SSD user will reach the TBW rating in 56 years of daily use. "lifespan" isnt an issue. If you ARE regularly writing terrabytes of data, the sheer speed difference of a SSD will save you truckloads of time/money.HDDs suck outside of niche massive file allocation.
FunBunny2 - Sunday, December 8, 2019 - link
"HDDs suck outside of niche massive file allocation. "and data stability.
extide - Friday, December 6, 2019 - link
Samsung 860 QVO 4TBflyingpants265 - Friday, December 6, 2019 - link
Not a bad idea, but I couldn't justify $300+ for a 4TB SSD.I think my ideal setup right now is still 1TB nvme+a few hard drives..
romrunning - Friday, December 6, 2019 - link
The Crucial MX500 2TB goes for $206-220 on Amazon. It's also a decent performer.PaulHoule - Friday, December 6, 2019 - link
I get depressed reading reviews of DRAMless SSDs. It seems like some vendors won't stop until they make an SSD which performs worse than an HDD.In general I don't agree with the rankings that Anand and other review sites give for SSDs. I don't particularly care about median performance, but I do care about performance at the 90%, 99%, etc. level -- because that is what causes your computer to freeze up for 10 seconds here or there.
Often reviewers pick out a drive that has good 50% performance, but for just a few dollars more you can get something with much better tail latency, for instance I have been happy with some Intel SSDs I've bought. If an "Intel Inside" sticker meant that a machine had an Intel SSD that would be impressive, but Intel has been damaging its brand with Atom, Celeron and things like that. They ought to take a cue from American car makers who regularly retire the names of the bad compact cars they make like Chevette, Gremlin, Neon, Cavalier, etc...
extide - Friday, December 6, 2019 - link
Yeah, I think Allyn at PCPer did the best SSD reviews tbh. He captures all of that 'last percent drop off' stuff you are talking about really well.Joahua - Saturday, December 7, 2019 - link
What is the use of Dram in ssd?Can i install dram less ssd for boot drive