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How far can you go with 1.260v?

post #1 of 8
Thread Starter 
Hello guys, whats the max overclock you can achieve with a core i5 2500k at 1.26v? What is the average?

reason i ask is because my Mobo lacks a Vcore option (cheapass value board) and When its at load it sometimes drops to 1.26v so unfortunately that's my ceiling until Christmas when i get a new board.

strange thing is that i OC'd it to 4.2ghz 2 days ago and it had been running solid (passed every bench mark (P95, Linx, BurnTest)) completely fine but chose to crash when i was playing bad company 2 today. so some adjustments need to be made.
Bender
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Core i5-2500k @ 4.6Ghz Gigabyte Z68X-UD3H-B3 Sapphire AMD R9 290X Tri-X (1050/1300mhz)  EVGA GeForce GTX 1080 (How do you OC?) 
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Bender
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Core i5-2500k @ 4.6Ghz Gigabyte Z68X-UD3H-B3 Sapphire AMD R9 290X Tri-X (1050/1300mhz)  EVGA GeForce GTX 1080 (How do you OC?) 
RAMHard DriveHard DriveOS
8GB 1600Mhz OCZ Vertex 3 240GB SSD OCZ Vertex 3 240GB SSD windows 10 64bit 
MonitorKeyboardPowerCase
Asus MG279Q Logitech G510  Corsair TX750 CM II 690 Advanced 
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post #2 of 8
Hi

I've got my 2500k clocked at 4.8GHz with 1.264v under load, its 20mins prime stable (66c max), which is stable enough for me.

5.0GHz is stable at 1.34v.

I don't know if my chip is golden or what but those volts are quite low.

BIOS:

Base: 100
Multi: 48
PLL overvolt: enable
LLC: medium
Vcore offset: -0.04v
PLL voltage: 1.65v
DRAM: 1.575v
My System
(13 items)
 
  
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i5 2500k @ 4.8, 1.26v Asus P8P67 Evo 2x Asus GTX560 Direct CU II 2x 4Gb Corsair Vengeance 1866 Cl9 
Hard DriveOSMonitorPower
3x 1.5Tb, 3x 2Tb Win7 Ultimate 64 Samsung P2770h 27" HX850w 
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Antec 1200 
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My System
(13 items)
 
  
CPUMotherboardGraphicsRAM
i5 2500k @ 4.8, 1.26v Asus P8P67 Evo 2x Asus GTX560 Direct CU II 2x 4Gb Corsair Vengeance 1866 Cl9 
Hard DriveOSMonitorPower
3x 1.5Tb, 3x 2Tb Win7 Ultimate 64 Samsung P2770h 27" HX850w 
Case
Antec 1200 
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post #3 of 8
Quote:
Originally Posted by FoXmatt View Post
Hi

I've got my 2500k clocked at 4.8GHz with 1.264v under load, its 20mins prime stable (66c max), which is stable enough for me.

5.0GHz is stable at 1.34v.

I don't know if my chip is golden or what but those volts are quite low.

BIOS:

Base: 100
Multi: 48
PLL overvolt: enable
LLC: medium
Vcore offset: -0.04v
PLL voltage: 1.65v
DRAM: 1.575v
1.26v never. quit lying .. i know you want some attention only...
ASUS X450JF
(7 items)
 
Desktop
(14 items)
 
 
CPUMotherboardGraphicsRAM
Intel Processor i7-4700HQ X450JF NVIDIA GEFORCE 745M 8GB 
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1TB Windows 7 Ultimate 64bit 
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Intel® Core™ i5-760 Processor  GA-P55-US3L EVGA GeForce GTX 660 Ti CORSAIR Vengeance 8GB (2 x 4GB) 1600mhz 
Hard DriveHard DriveCoolingOS
Samsung 840 Series 250GB WD Caviar® Green™ 1000GB Cooler Master Hyper 212 EVO Windows 7 Ultimate 64bit 
MonitorPowerCaseMouse
Acer GD245HQ 120HZ Corsair CX600 Corsair Carbide Series® 200R Razer DeathAdder 3500 DPI Gaming Mouse 
Mouse PadAudio
ROCCAT Sota Tt eSPORTS SHOCK 
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ASUS X450JF
(7 items)
 
Desktop
(14 items)
 
 
CPUMotherboardGraphicsRAM
Intel Processor i7-4700HQ X450JF NVIDIA GEFORCE 745M 8GB 
Hard DriveOS
1TB Windows 7 Ultimate 64bit 
CPUMotherboardGraphicsRAM
Intel® Core™ i5-760 Processor  GA-P55-US3L EVGA GeForce GTX 660 Ti CORSAIR Vengeance 8GB (2 x 4GB) 1600mhz 
Hard DriveHard DriveCoolingOS
Samsung 840 Series 250GB WD Caviar® Green™ 1000GB Cooler Master Hyper 212 EVO Windows 7 Ultimate 64bit 
MonitorPowerCaseMouse
Acer GD245HQ 120HZ Corsair CX600 Corsair Carbide Series® 200R Razer DeathAdder 3500 DPI Gaming Mouse 
Mouse PadAudio
ROCCAT Sota Tt eSPORTS SHOCK 
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post #4 of 8
Quote:
Originally Posted by FoXmatt View Post
Hi

I've got my 2500k clocked at 4.8GHz with 1.264v under load, its 20mins prime stable (66c max), which is stable enough for me.

5.0GHz is stable at 1.34v.

I don't know if my chip is golden or what but those volts are quite low.

BIOS:

Base: 100
Multi: 48
PLL overvolt: enable
LLC: medium
Vcore offset: -0.04v
PLL voltage: 1.65v
DRAM: 1.575v
four letters for you: ORLY?
Maxim
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Intel Core i7-2600k ASUS Maximus IV Extreme EVGA GeForce GTX 580 3072MB Hydro Copper 2 x3 G.Skill Sniper 1600 8gb 
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OCZ Vertex 3 SSD 120GB/2x Samsung Spinpoint F3 1TB Lite On iHBS212 12x Blu-Ray Burner /w LightScribe Win7 Ultimate 64Bit Dell UltraSharp U2311H 
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Maxim
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Intel Core i7-2600k ASUS Maximus IV Extreme EVGA GeForce GTX 580 3072MB Hydro Copper 2 x3 G.Skill Sniper 1600 8gb 
Hard DriveOptical DriveOSMonitor
OCZ Vertex 3 SSD 120GB/2x Samsung Spinpoint F3 1TB Lite On iHBS212 12x Blu-Ray Burner /w LightScribe Win7 Ultimate 64Bit Dell UltraSharp U2311H 
KeyboardPowerCaseMouse
RAZER BW Ultimate Mech. KB CoolerMaster Silent Pro 1200W NZXT Phantom RAZER Naga Epic Elite Gaming Mouse 
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RAZER Vespula Expert Gaming Mouse Mat 
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post #5 of 8
Quote:
Originally Posted by iDaryl View Post
four letters for you: ORLY?
Let's wait... He might have the best chip on earth...
But wait. 20min Prime....nvm..
i5 2500K GTX570HD
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i5 2500K @ 4.8GHz 1.384V AsRock P67 Extreme4 (B3) UEFI3.19 EVGA GTX 570HD SC 930/1950 G.Skill RipjawsX DDR3 PC12800 2x4GB@1866 9-10-9-28 
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Crucial M4 SSD 128GB, 1x 500GB WD, 2x1TB WD Samsung DL DVD Writer Noctua NH-D14 Windows 7 Ultimate 64Bit SP1 
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i5 2500K GTX570HD
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i5 2500K @ 4.8GHz 1.384V AsRock P67 Extreme4 (B3) UEFI3.19 EVGA GTX 570HD SC 930/1950 G.Skill RipjawsX DDR3 PC12800 2x4GB@1866 9-10-9-28 
Hard DriveOptical DriveCoolingOS
Crucial M4 SSD 128GB, 1x 500GB WD, 2x1TB WD Samsung DL DVD Writer Noctua NH-D14 Windows 7 Ultimate 64Bit SP1 
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post #6 of 8
Thread Starter 
Can i get to 4.2Ghz with this?
Bender
(18 items)
 
  
CPUMotherboardGraphicsGraphics
Core i5-2500k @ 4.6Ghz Gigabyte Z68X-UD3H-B3 Sapphire AMD R9 290X Tri-X (1050/1300mhz)  EVGA GeForce GTX 1080 (How do you OC?) 
RAMHard DriveHard DriveOS
8GB 1600Mhz OCZ Vertex 3 240GB SSD OCZ Vertex 3 240GB SSD windows 10 64bit 
MonitorKeyboardPowerCase
Asus MG279Q Logitech G510  Corsair TX750 CM II 690 Advanced 
MouseMouse PadAudioAudio
CM Sentinel Advance  some big corsair one beyerdynamic DT 770 Pro 250 Ohm SoundBlaster Z Soundcard 
  hide details  
Reply
Bender
(18 items)
 
  
CPUMotherboardGraphicsGraphics
Core i5-2500k @ 4.6Ghz Gigabyte Z68X-UD3H-B3 Sapphire AMD R9 290X Tri-X (1050/1300mhz)  EVGA GeForce GTX 1080 (How do you OC?) 
RAMHard DriveHard DriveOS
8GB 1600Mhz OCZ Vertex 3 240GB SSD OCZ Vertex 3 240GB SSD windows 10 64bit 
MonitorKeyboardPowerCase
Asus MG279Q Logitech G510  Corsair TX750 CM II 690 Advanced 
MouseMouse PadAudioAudio
CM Sentinel Advance  some big corsair one beyerdynamic DT 770 Pro 250 Ohm SoundBlaster Z Soundcard 
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Reply
post #7 of 8
My old E5200 was 3.9ghz stable @ 1.3125v, is that golden?
Oppress This!
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Oppress This!
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Hard DriveOptical DriveOSMonitor
2xWD640AAHLS + Hitachi 2TB 7200RPM + 2x150gb VRapt HP IDE + LG SATA Win 7 x64 ult 15" 1024x768 Dell (visually impaired) 
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XFX XXX 650w (green fan) Antec 300 (Heavily Modded) 
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post #8 of 8
CHeck the sandy stable club, Link is on my sig. That table should help you out, click the sorted by voltage.

Hope that helps.
it looks alive
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Sandy Transformed
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CPUMotherboardGraphicsRAM
i5 2500K [5ghz 1.44v 24/7] Asus Maximus IV Extreme SLI GTX 460 @ 920/1840/4100 [1.11v] 4GB Dominator GT @ 2133mhz CL8 [1.65v] 
Hard DriveHard DriveCoolingOS
Intel X25-M G2 80GB 3x Samsung F3 500GB RAID 0 EK Supreme HF Full Copper Windows 7 Ultimate 64bit 
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LG42SL9500 42" 1080p [Surround Soon] XFX XXX Edition 650w Xigmatec Elysium JVC HA-RX700 [foam mod] 
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it looks alive
(17 items)
 
Sandy Transformed
(69 photos)
 
CPUMotherboardGraphicsRAM
i5 2500K [5ghz 1.44v 24/7] Asus Maximus IV Extreme SLI GTX 460 @ 920/1840/4100 [1.11v] 4GB Dominator GT @ 2133mhz CL8 [1.65v] 
Hard DriveHard DriveCoolingOS
Intel X25-M G2 80GB 3x Samsung F3 500GB RAID 0 EK Supreme HF Full Copper Windows 7 Ultimate 64bit 
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LG42SL9500 42" 1080p [Surround Soon] XFX XXX Edition 650w Xigmatec Elysium JVC HA-RX700 [foam mod] 
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