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Complete Overclocking Guide: Sandy Bridge & Ivy Bridge | *ASRock Edition* - Page 594

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post #5931 of 9531
Quote:
Originally Posted by SilverApples View Post

Ok. Decided to get the noctua d14 cooler. Anyone know if I'll be able to reach a stable 4.5 to 4.8ghz with this cooler with acceptable temps? Also I'll be upgrading my ram, is there a certain type that's best for overclocking your cpu (not oc'ing ram) as in clock speeds like 1600, 1866, 2000 and above? I plan to to buy 2400mhz 2x8GB
yeah - the D14 is a great air cooler... huge! with that, 45x easy. unless you plan on 48+, 2400 ram won't really make a difference. you may do better with a low CAS 1866 or 2133. a ways back I uploaded a DRAM speed calculator. I have to fire up my other machine to get at it... "cas timings.xls"
Edited by Jpmboy - 4/18/13 at 6:44pm
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post #5932 of 9531
Quote:
Originally Posted by SilverApples View Post

Ok. Decided to get the noctua d14 cooler. Anyone know if I'll be able to reach a stable 4.5 to 4.8ghz with this cooler with acceptable temps? Also I'll be upgrading my ram, is there a certain type that's best for overclocking your cpu (not oc'ing ram) as in clock speeds like 1600, 1866, 2000 and above? I plan to to buy 2400mhz 2x8GB

That depends on your voltage and what you consider acceptable temperature. The D14 is top dog for air, I think that's a pretty reasonable goal, and acceptable voltage threshold will stop you before temps will. As far as RAM, high MHz & low CAS is what you are looking for. Overclocking RAM is not very hard, and I would encourage it! Get to know your machine and squeeze it for all its worth!

Edit to add: JPM has a point...There really is not much noticeable difference after a point with RAM except synthetic benchmarks.....but that shouldn't stop you from tuning it up...
Edited by inedenimadam - 4/18/13 at 6:46pm
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post #5933 of 9531
64bit total nanosec is the number to consider. enter frequency, casL...

cas timings - Copy.xls 16k .xls file
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post #5934 of 9531
Okay, is there a reason all these different programs report such drastically different results? CPU-Z, Core Temp, Real Temp and HWinfo64 all report varying data. Example:



Real Temp is missing in this shot but the same principles apply. Notice in that picture that CPU-Z and Core Temp are reporting 46x multiplier is active while HWinfo64 reports the true idle multiplier of 16x. Next note the voltages, CPU-Z I have determined is spot on accurate in terms of vcore at all times, it just uses 0.008 increments so it tends to bounce. For some odd reason Core Temp and HWinfo64 are NOT reading my correct LLC adjusted voltage, they spit out the same higher vcore no matter what as long as my LLC is something other than max. Why is that? I'd love to just close CPU-Z and HWinfo64 in favor of only running one app to monitor voltage, temps and multiplier in a lighter-weight package, but they're all different.

Anyone else with similar findings? Here's my check list of what's right in each app:

CPU-Z = vcore
HWinfo64 = multiplier and temperature
Core Temp = temperature
Real Temp = temperature

And now what's wrong in each app:

CPU-Z = multiplier (stuck at max multi for ~5 minutes after boot)
HWinfo64 = load vcore doesn't account for LLC
Core Temp = load vcore also doesn't account for LLC, multiplier (same as CPU-Z, stuck at max for ~5 minutes after boot)
Real Temp = multiplier seems flakier than HWinfo64

At first I thought this was some sort of processor error from an unstable overclock, but even at bare bones stock settings it's still giving me the same type of odd mismatching behavior. I'd love to hear from others on what's the story here.
post #5935 of 9531
Quote:
Originally Posted by DaRkL3AD3R View Post

Okay, is there a reason all these different programs report such drastically different results? CPU-Z, Core Temp, Real Temp and HWinfo64 all report varying data. Example:



Real Temp is missing in this shot but the same principles apply. Notice in that picture that CPU-Z and Core Temp are reporting 46x multiplier is active while HWinfo64 reports the true idle multiplier of 16x. Next note the voltages, CPU-Z I have determined is spot on accurate in terms of vcore at all times, it just uses 0.008 increments so it tends to bounce. For some odd reason Core Temp and HWinfo64 are NOT reading my correct LLC adjusted voltage, they spit out the same higher vcore no matter what as long as my LLC is something other than max. Why is that? I'd love to just close CPU-Z and HWinfo64 in favor of only running one app to monitor voltage, temps and multiplier in a lighter-weight package, but they're all different.

Anyone else with similar findings? Here's my check list of what's right in each app:

CPU-Z = vcore
HWinfo64 = multiplier and temperature
Core Temp = temperature
Real Temp = temperature

And now what's wrong in each app:

CPU-Z = multiplier (stuck at max multi for ~5 minutes after boot)
HWinfo64 = load vcore doesn't account for LLC
Core Temp = load vcore also doesn't account for LLC, multiplier (same as CPU-Z, stuck at max for ~5 minutes after boot)
Real Temp = multiplier seems flakier than HWinfo64

At first I thought this was some sort of processor error from an unstable overclock, but even at bare bones stock settings it's still giving me the same type of odd mismatching behavior. I'd love to hear from others on what's the story here.

try only one program at a time, I don't think more than one can accurately read the sensors at the same time. You are not the first to experience this phenomena. I have seen the same issues. Now I use open hardware monitor, and it shows me whats up.
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post #5936 of 9531
Quote:
Originally Posted by Jpmboy View Post

If you haven't already... Here's a good tease:

http://www.anandtech.com/show/6898/intel-details-haswell-overclocked-at-idf-beijing

Btw- i got 47 going on this OCF tho mainly an "edisioian" experience. 40 min into p95 with 8192 mb ram. Load vcore is 1.256 (1.245 by DMM)

130418194610.BMP 2304k .BMP file
130418194603.BMP 2304k .BMP file
130418194529.BMP 2304k .BMP file
130418194548.BMP 2304k .BMP file

I really need a DMM. Our voltage for 4.7GHz is the same. Mine however, on offset, jumps from 1.256v up to 1.280! Took a while to get it stable but all good now. 4.8GHz is kicking my @55 at the moment. I was trying to get it stable >1.3v but I don't think it's gonna happen.

UPDATE:


CPU-Z
Edited by tw33k - 4/18/13 at 10:38pm
post #5937 of 9531
Atm I use Kingston 4x2GB 1333mhz 9-9-9-24. Should I upgrade or am I the fine with this one still. Just mostly gaming. I want 2x8gb.
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post #5938 of 9531
Quote:
Originally Posted by inedenimadam View Post

try only one program at a time, I don't think more than one can accurately read the sensors at the same time. You are not the first to experience this phenomena. I have seen the same issues. Now I use open hardware monitor, and it shows me whats up.

I have had no problems whatsoever running a multitude of programs at the same time. The real reason you're seeing this differences is that out of this specific collection of programs you're using, only CPU-Z is displaying the Vcore, while all other are reporting the VID. Those are not the same!
The VID in these tools is calculated off the Vcore, and is meant to display the chip specific voltage for a certain frequency, which was tested by Intel while manufacturing the chip. Of course this is only useful if you're still running at Auto voltages (and not above 3.8-4.2GHz, the maximum one core can run by default without overclocking), so in reality this number is quite meaningless. You should only ever care about the Vcore value.

There was also a problem with a certain version of CPU-Z, which didn't recognize any frequency changes and so was stuck at displaying the max freq all the time. So make sure to upgrade to the latest version.
I'd also recommend Open Hardware Monitor, which is a great addition to CPU-Z imo.
Edited by spoonium - 4/19/13 at 6:07am
post #5939 of 9531
Quote:
Originally Posted by spoonium View Post

I have had no problems whatsoever running a multitude of programs at the same time. The real reason you're seeing this differences is that out of this specific collection of programs you're using, only CPU-Z is displaying the Vcore, while all other are reporting the VID. Those are not the same!
The VID in these tools is calculated off the Vcore, and is meant to display the chip specific voltage for a certain frequency, which was tested by Intel while manufacturing the chip. Of course this is only useful if you're still running at Auto voltages (and not above 3.8-4.2GHz, the maximum one core can run by default without overclocking), so in reality this number is quite meaningless. You should only ever care about the Vcore value.

There was also a problem with a certain version of CPU-Z, which didn't recognize any frequency changes and so was stuck at displaying the max freq all the time. So make sure to upgrade to the latest version.
I'd also recommend Open Hardware Monitor, which is a great addition to CPU-Z imo.

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Seasonic 1000 Platinum, Corsair 1500i none :-) 
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post #5940 of 9531
Quote:
Originally Posted by tw33k View Post

I really need a DMM. Our voltage for 4.7GHz is the same. Mine however, on offset, jumps from 1.256v up to 1.280! Took a while to get it stable but all good now. 4.8GHz is kicking my @55 at the moment. I was trying to get it stable >1.3v but I don't think it's gonna happen.

UPDATE:


CPU-Z

try using p95 with 90% ram committed. 5 min per FFT, sizes 8-4096

aid 64 (which I have) does not reveal the instability. I can run it for hours like p95 with 1600mb committed, but set the ram usage to 85% and fail... that is now fixed for me at 47, working thru 48 over time.
Edited by Jpmboy - 4/19/13 at 5:05am
x99
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x299
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i7 5960X i7 6950X Asus Rampage V Extreme (STD and model-10) 2 GTX TitanXp 
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2 GTX Titan X Pascal GSkill 3200c14 TZs 8x8GB @ 3400c13 Intel 750 NVMe 400GB 2x Plextor SSD 256 Raid 0 (Win 7) 
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Samsung NVMe 950 Pro M.2 Plextor 810 Aquacomputer GiGant 1680 (4x420) external Rad XSPC RX360 
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Koolance 380i Laing DDC-1T (2) Koolance EXC-800 Chiller Windows 10 x64  
OSOSMonitorMonitor
Windows 7 Pro Linux Mint ASUS Swift 1440P 144Hz Seiki 50" 4K monitor (720P-2160i) 240-30Hz 
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Das Keyboard Model S Pro Corsair AX1500i MicroCool Banchetto 101 Steelseries Rival 
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RAMHard DriveHard DriveHard Drive
G.Skill 4266c19 Samsung SM951 WD VR 300 Intel 750 NVMe U.2 
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Mushkin 512 Intel 600 NVMe Raid0 Plextor DVD ROM Custom Water (Koolance 380i / XSPC 360v2) 
CoolingOSOSOS
Corsair H80iV2 (M8I) Windows 10 Pro Window 7 Linux Mint 
MonitorMonitorKeyboardPower
Seiki 4K AOC 1080P Ducky Cherry Black Silverstone 500W SFX form factor/ Seasonic 760W 
CaseMouseAudio
Bench Logitech G700s Ultimate Ears TF10s 
CPUMotherboardGraphicsRAM
7740X ASUS Rampage Apex Various G.Skill 3600c15 2x8GB kits 
Hard DriveCoolingOSKeyboard
Samsung 960 Pro, NVMe Custom Water Windows 10 Razor Black Widow 
PowerCase
Seasonic 1000 Platinum, Corsair 1500i none :-) 
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x99
(26 items)
 
z170/z270
(27 items)
 
x299
(10 items)
 
CPUCPUMotherboardGraphics
i7 5960X i7 6950X Asus Rampage V Extreme (STD and model-10) 2 GTX TitanXp 
GraphicsRAMHard DriveHard Drive
2 GTX Titan X Pascal GSkill 3200c14 TZs 8x8GB @ 3400c13 Intel 750 NVMe 400GB 2x Plextor SSD 256 Raid 0 (Win 7) 
Hard DriveOptical DriveCoolingCooling
Samsung NVMe 950 Pro M.2 Plextor 810 Aquacomputer GiGant 1680 (4x420) external Rad XSPC RX360 
CoolingCoolingCoolingOS
Koolance 380i Laing DDC-1T (2) Koolance EXC-800 Chiller Windows 10 x64  
OSOSMonitorMonitor
Windows 7 Pro Linux Mint ASUS Swift 1440P 144Hz Seiki 50" 4K monitor (720P-2160i) 240-30Hz 
KeyboardPowerCaseMouse
Das Keyboard Model S Pro Corsair AX1500i MicroCool Banchetto 101 Steelseries Rival 
AudioOther
Ultimate Ears TF10 Koolance Pump/Fan Controller 
CPUCPUCPUMotherboard
i5 6600K i7 7700K i3 7350 ASUS Max iX APEX, Asrock MOCF, M8Impact 
GraphicsGraphicsGraphicsRAM
ASUS GTX 1080 Turbo ASUS GTX 960 Mini EVGA GTX 550Ti G.Skill 3600c15 
RAMHard DriveHard DriveHard Drive
G.Skill 4266c19 Samsung SM951 WD VR 300 Intel 750 NVMe U.2 
Hard DriveHard DriveOptical DriveCooling
Mushkin 512 Intel 600 NVMe Raid0 Plextor DVD ROM Custom Water (Koolance 380i / XSPC 360v2) 
CoolingOSOSOS
Corsair H80iV2 (M8I) Windows 10 Pro Window 7 Linux Mint 
MonitorMonitorKeyboardPower
Seiki 4K AOC 1080P Ducky Cherry Black Silverstone 500W SFX form factor/ Seasonic 760W 
CaseMouseAudio
Bench Logitech G700s Ultimate Ears TF10s 
CPUMotherboardGraphicsRAM
7740X ASUS Rampage Apex Various G.Skill 3600c15 2x8GB kits 
Hard DriveCoolingOSKeyboard
Samsung 960 Pro, NVMe Custom Water Windows 10 Razor Black Widow 
PowerCase
Seasonic 1000 Platinum, Corsair 1500i none :-) 
  hide details  
Reply
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