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Slow SSD

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#1
Hi guys, I just upgraded my SSD from a 120gb Corsair Force 3 to a 256gb OCZ Vertex 4. I used paragon HD manager to clone the disks.

I just benchmarked the new SSD, expecting slightly higher speeds and this is what i got:

Corsair


OCZ


Any ideas why the Vertex is so much slower than my old Force 3 and how i can fix it?

Thanks guys
 
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#2
ATTO uses compressible data, which is SandForce's main strength, that's why you're seeing such high speeds on the Corsair SSD. The Vertex is based on the OCZ (Marvell, actually) Everest 2 controller which does not do on-the-fly compression. Try some other benchmark suites, such as AS-SSD, CrystalDiskMark etc. to see a clearer picture.

As a side note, if you need a benchmark to tell you if one drive is faster than the other, then it seems you didn't really need to upgrade in the first place ;)
 
Joined
Nov 1, 2008
Messages
3,627 (1.09/day)
Likes
938
Location
Vietnam
System Name Gaming System / Laptop / HTPC
Processor i5 8600K @4.6Ghz / i5 540m / i7 970
Motherboard Z370 Aorus Ultra Gaming / Acer / Shuttle sx58j3
Cooling CM Seidon 120 XL / Laptop Cooling / SE-903
Memory T Group Nighthawk (3000 MHz)/ 4GB DDR3 / 12gb DDR3
Video Card(s) Colorful 1080Ti / G210m / 7870XT
Storage 750G MX300 + 3TB HDDs / 250G Ultra II /250G 850 EVO
Display(s) Dell U2515H + Asus VX239H/ 15.6" Laptop Screen / 720p 42" Plasma TV
Case Cooler master HAF 922 / Laptop Case / Corsair Air 240
Audio Device(s) On Board Realtek
Power Supply Andyson N700 Titanium / Laptop Power / ACBell 700 W
Mouse Logitech G700s
Keyboard CM Quickfire XT (Cherry MX Reds)
Software Windows 10 x64
Benchmark Scores 3DMark Firestrike = xxxxx Timespy = 9097 Heaven = xxxx
#3
ATTO uses compressible data, which is SandForce's main strength, that's why you're seeing such high speeds on the Corsair SSD. The Vertex is based on the OCZ (Marvell, actually) Everest 2 controller which does not do on-the-fly compression. Try some other benchmark suites, such as AS-SSD, CrystalDiskMark etc. to see a clearer picture.

As a side note, if you need a benchmark to tell you if one drive is faster than the other, then it seems you didn't really need to upgrade in the first place ;)
Crystal disk is giving the same speeds.

I know, it doesn't make much rl difference. I only upgraded for more space and so i could put my corsair drive in my laptop.

I read the TPU review of the vertex 4 and from the results, i imagined it would be faster that the Corsair. Are there any benchmark programs that give more of a real world result?
 
Joined
Nov 19, 2012
Messages
750 (0.40/day)
Likes
430
System Name Chaos
Processor Intel Core i5 4590K @ 4.0 GHz
Motherboard MSI Z97 MPower MAX AC
Cooling Arctic Cooling Freezer i30 + MX4
Memory 2x4 GB Kingston HyperX Beast 2400 GT/s CL11
Video Card(s) Sapphire HD7950 Vapor X, 800/1400 @ 1.075V/1.45V
Storage 256GB Samsung 840 Pro SSD + 1 TB WD Green (Idle timer off) + 320 GB WD Blue
Display(s) Dell U2515H
Case Fractal Design Define R3
Audio Device(s) Onboard
Power Supply Seasonic SS-380GB
Mouse CM Storm Recon
Keyboard CM Storm Quickfire Pro (MX Red)
#4
The already mentioned AS-SSD, and Iometer, are solid choices. But again, I wouldn't care much for synthetic data - it's your user experience that is key. No matter how many programs say your drive is slow, if it's fast enough for you, then it's fast enough.