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Could a Samsung 840 (non Pro) SDD be restricting my OC?

post #1 of 5
Thread Starter 
Hello everyone.

I've recently replaced my OCZ Vertex 3 of 90GB (died all of the sudden) for a Samsung 840 non-pro of 120GB, which was what I could afford. Now the weirdest thing has happened.

I have a ASRock Z77 Extreme4 MOBO and a i7 3770k micro, all about a year old. I always OC'ed the chip through the BIOS built-in feature to 4.4 GHz without trouble. Back when I had the OCZ CPU-Z showed the multiplier and core speed values FIXED at x44.0, even fresh upon boot and when the CPU was idle. Now, ever since I installed the Samsung SDD as my OS drive, CPU-Z and Blackbox both show the multiplier and core values wind down to default x16.0. I'm not able to keep the CPU steady at x44.0 no matter what I do. Even if before I had to change my SSD I could keep it at x44 at all times without trouble.

A friend suggested the Samsung 840 non-pro's inferior components might be impeding the core speed to be at top OC'ed form at all times. Is this possible? If so, would I be better off trading this Samsung 840 SDD for a Vertex? (I still have the chance to do so at the store I got it from.)

I have tried:

- Disabling SpeedStep, C1E and Thermal Throtlling via UEFI to see if that kept the multiplier stead. No Luck.
- Manually setting my CPU Core speed instead of leaving it on Auto or Offset. Even fixed at 1300 (WTH??) the multiplier still winds down to x16.
- I have my SDD installed on my SATA3_1 port as advised. (It was set on the SATA3_A1 port before, but a friend suggested that might be limiting performance). Still no luck.
- I have Win7 Power options on High Performance, too. It doesn't change a thing.

I'm pretty much at a loss here. I simply don't know how to get this sucker to stay at x44.0 like before, which is what I want, even if I hear the winding down when idle is natural. Should I trade SDDs? Return to OCZ, see if that helps? Any idea of what I need to do with get back my constant, steady x44.0 core speed?

Any help will be greatly appreciated! This is seriously driving me nuts.
post #2 of 5
If the SSD is causing that, it will be a first. Looks more like degrading to me, auto-OC generally runs the chips at much higher voltage than what's required.
Edit: Read through it again. It is normal for the processor to clock itself up and down like that. It will run at it's highest frequency only when needed.

Edit2: What happens when you run P95, OCCT, IBT or something similar?
Edited by Hattifnatten - 7/6/13 at 11:51am
post #3 of 5
I can't come up with any logical reason why it would matter when overclocking via multiplier. If you were increasing the BCLK then it might make sense, that certain SSD's might be more sensitive to running at higher bus speeds.
Spit in God's Eye
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Hard DriveHard DriveHard DriveOptical Drive
A-Data SP600 256gb SSD (C:) Samsung 840 EVO 1TB SSD (D:) Seagate 2TB Hybrid Drive (E:) LITE-ON 24x DVDRW 
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Spit in God's Eye
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CPUMotherboardGraphicsRAM
i7-5960x @ 4.26 ghz core / 3.55 ghz uncore - 1.3v AsRock X99 Extreme3 EVGA GTX980 Ti 16gb (4x4gb) Crucial DDR4 2133 CL15 
Hard DriveHard DriveHard DriveOptical Drive
A-Data SP600 256gb SSD (C:) Samsung 840 EVO 1TB SSD (D:) Seagate 2TB Hybrid Drive (E:) LITE-ON 24x DVDRW 
CoolingOSMonitorKeyboard
Corsair H110 Win 10 x64 HP 2511x ( 25" 1080p ) AZIO L70 
PowerCaseMouseAudio
Corsair TX750 Antec 300 (Modded) Logitech M100 Onboard 
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post #4 of 5
Thread Starter 
P95 sends the OC back up to where it belongs: at x44.0. What puzzles me is that BEFORE I changed SSDs I could have the processor running at x44.0 at all times, even when idle, with Speedstep and C1E enabled and never wind down to x16.0. I changed nothing about my OC configuration in the BIOS (which in any case is pretty basic, just a matter of selecting the 4.4 GHz option from the UEFI drop down menu) and now even with SpeedStep, C1E, etc. disabled it will idle down to x16.0.

Frankly, the only thing that's changed in my computer is the SSD. No idea.

EDIT: Btw, BCLK is set at 100 automatically at selecting the 4.4 GHz overclock option, if that helps.
Edited by hriveresse - 7/6/13 at 12:07pm
post #5 of 5
Any change in HDD will have 0 effect in OC ability.
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Silent Dominator
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