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Corsair neutron gtx 240 gb VS Sandisk extreme 2 240gb - Page 3

post #21 of 23
Quote:
Originally Posted by psyside View Post

I never said SEII is a bad drive, is fantastic! amazing drive especially now with this price, its mindblowing.

I was just pointing that the 840 pro should do better or at least as good with OP, you can check Anandtech op tests and performance consistency, the SEII is not gaining nearly enough performance with op compared to the 840 pro, that's why i think the 840 pro should be even faster with op.

840 pro 256GB vs SandiskEII 480GB both @25% OP.





I can't disagree with you and I don't, the graphs tell the tale. I just said the 840 Pro with 10% OP might not improve to that extent.

The real point I'm trying to make, and have been for a while now, is that SSD performance is not as simple as one benchmark result like AS SSD. One SSD will be better in one type of test, and another is better in another test. SSD performance is a balancing act, a give and take in one aspect for another, since all storage I/O scenarios are not the same.

The SanDisk Extreme II is said to be optimized for better lower queue depth performance (say QD=16 or less) which is much more common in PC usage. Some SSDs have been optimized for high queue depth performance, which is really useful in enterprise usage, but also provides great scores in the AS SSD 4k-64Thrd test.

This test sends two full 32 I/O requests (the current limit of NCQ, 32) to a SSD. Does that ever happen in actual PC usage? Nope. AS SSD gives more points in the final "score" to drives that do better in this test, but does that reflect better PC performance? Not enough detail to know, Anvil lets you adjust the QD so should provide a better answer.

The Samsung 840 Pro and EVO have the best 4K random read performance we've seen, better than the SanDisk EX II, yet I get no difference in OS boot speed. As usual, more complex than one performance spec, or we are at the limit of the Windows file system performance?
post #22 of 23
Good post, i agree with you as well thumb.gif

Especially about the OS being the limit regarding boot...
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My System
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post #23 of 23
I am looking forward to see what magic Samsung works up, to compete with the as-now, and far and away, absolute best 2.5" (non-SLC) SSD: the Intel DC S3700 800GB. I have beenspoiled, badly, and even though I have many different SSD's, they all are indistinguishable in actual use... The S3700's, however, I can immediately identify from simply the "feel".

I would love to see a "modular" (same controller/NAND across multiple form factors), scalable "prosumer" line from Samsung to compete with the 3700 at both extremes of its target audience.
Something along the lines of...
- min 8, Max 32 NAND IC per controller
- scalable up to 16 or 24 independent NAND channels to improve parallelism
- the already incredible Samsung MLC improved further, along the lines of the Intel 3700's NAND
- 4 to 8 core per controller (2-4x channels per core)
- scalable multiple controller per drive unit architecture (not simply RAID)
- 2.5" (120GB to 2TB), 1.8" (120 to 1TB), M.2 (120 to 1TB)
- minimal focus on sequential, immensely focused on optimization, random IO, and even improve consistency beyond Intel's wunderdrive

I would really like to see a similar M2 to PCIe adapter like Plextor, but with more than just a blank PCB...
- HHHL form factor
- 2 and 4 drive M2 per card
- PCIe 3.0 x8/x16 (a little switch to allow you user to decide which)
- the main feature would be a custom made controller (likely with 2-4GB DDR3/4) to act as "master" to the individual drive "slave" controllers, using an 8c SoC or better

The idea is to take advantage of both the small size of M2 and the latency/throughput advantages of PCIe 3.0, and combine multiple drives on a single small card (up to 4x1TB). Rather than using straight RAID, the larger controller could even act as an "add-in" to the drives, and maybe serve as an even more powerful means to spread ensure that the data is being spread across the greatest number of channels possible. They could allow for "safety", "regular ", and" max performance" modes that wwould be superficially similar to RAID1, JBOD, and RAID0 (and maybe RAID10), in terms of capacity available.
However, the use of all new hardware designed for this one specific goal could very well eliminate the cons of even the top HW RAID cards, by essentially turning 2-4x M2 drives into a single, hugely parallel SSD. With the interface being bidirectional, a controller with 16+ cores could be used to allow simultaneously performed read and write IO's by implementing a load-dependent core allocation scheme, so if you are writing 500GB you get 16C spread across the "sub-drives", but if you are doing something like content creation with a 30-70/70-30 split of R-W, the allocation algorithm would dynamically divert cores between the two as needed based on outstanding I/O's and maybe even a little bit of "learning" from past use.
This would give expandable storage with simultaneously increasing performance, but unlike SSD RAID0, which is absolutely useless for desktop users save for half a dozen insanely specific needs, by being designed ground up as a purely "expandable SSD", I believe that for the first time we would see all aspects of performance improve, not merely the benchmark friendly but largely unimportant sequential R/W. 440,000 QD1 4K RANDOM IOPS!
   
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Z77 Bench-a-lot
(31 items)
 
CPUMotherboardGraphicsGraphics
i7 3930K @ 4.92Ghz Asus Rampage 4 Extreme EVGA GTX670 FTW 2GB  EVGA GTX780Ti Classified K|ngp|n Edition @ 1483... 
GraphicsRAMHard DriveHard Drive
EVGA GTX780Ti Classified K|ngp|n Edition @ 1483... 16GB G.Skill Ripjaws-Z @ DDR3-2248 9-10-9-26 1T Samsung 830 256GB SSD WD10EZEX 1TB HDD 
Hard DriveHard DriveHard DriveHard Drive
WD10EALX 1TB HDD Seagate Barracuda 7200.14 1TB WD3200AAKS 320GB HDD WD5000HHTZ 10krpm 500GB VelociRaptor 
Optical DriveCoolingCoolingCooling
LG/Hitachi Slim DVD-R/W Custom MB-Backside VRM-sinks (Copper) 3x NZXT RF-FX140LB 1-2krpm 98.3CFM Case Fans 2x Corsair SP120-PE Case Fans 
CoolingCoolingCoolingCooling
Heatkiller GTX680 "Hole Edition" Block + Backplate XSPC Single-Bay Res (Single 5.25 bay) EK Multioption Res X2 - Advanced 150 DD "Fill-Port Res" + Fill-Port Fitting (Red) 
CoolingCoolingCoolingCooling
2x MCP35X + Heatsinks/80x15mm Fan XSPC EX420 Alphacool NeXXos UT60 240 6x Bgears Blasters 140mm 1800rpm Fans 
CoolingCoolingCoolingOS
4x Koolance 120x25mm 2600rpm Fans Comp/Rotary Fittings (BP/XSPC/Monsoon) Primoflex Pro LRT - White (1/2x3/4) Windows 7 Professional 64bit  
MonitorMonitorMonitorMonitor
Dell P2210Hb 21.5" 1920x1080p Viewsonic VA2012WB 20.1" LCD 1680x1050 Dell U3014 Eizo 27" 1440p 10bit RGB-LED Backlit AH-IPS Panel 
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55" LG HDTV (their top 2014 model) Ducky Mechanical (Browns) NZXT HALE90 850W + 8 blown-up AX1200/i's NZXT Switch 810 (White) 
MouseMouse PadAudioAudio
R.A.T.3 + MX510 My Desk GRADO RS1i Headphones Grado PS1000 Headphones 
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Bitfenix Hydra Pro Fan Controller 5ch 30W/ch Bitfenix Alchemy Individually-Sleeved Extension... NZXT Individually-Sleeved Front Panel Wires (Bl... Phobya Sleeved 1x3pin-to-4x3pin Fan Splitter 
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Sleeved Wires w Paracord myself (no Heatshrink) Custom Front and Top Panels w HexxMesh *In Prog... Working on Custom Pedestal Prototype 
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