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How to Overclock Graphics Cards

post #1 of 7
Thread Starter 
I've never overclocked my CPU or front bus drive before, any way I should start? I have an XPS 410 with an Nvidia 8500 GT.
post #2 of 7
First make suer your motherboard has a pci-e lock (i think thats what its called? should be in your bios) Download rivatunner and ati tools. Open up rivatunner and go to the first customize button, then go to the last one with a microfind glass on it. That will tell you the temperture of your card. Next go to the second customize button, then click on the first one (the graphic card on it). Adjust the core up slowly, only by 5 or so each time, then set the clocks (click save) then run ati tools artifact scanner. Try and keep temps below 70 =D. When problems start happening (artifacts or temps get to high) go back about 10 or so, then change to the memory and do the same.
Oh, hai.
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Oh, hai.
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|PHENOM X3 8750 2.4GHZ| |DFI LANPARTY-DK 790FX-M2RS| |XFX 9800gt| |2x2gb Mushkin Redlines| 
Hard DriveOptical DriveOSMonitor
|600gb| |Asus QuieTrack| |Windows Vista Ultimate x64| |BENQ G2110W| 
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Acer defult keyboard =P |Silverstone ST50EF| |CM 690| |G3| 
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post #3 of 7
Thread Starter 
So, (a) what is the "clock" and what setting should it be at once I adjust it? (b) What does overclocking do to your card? (c) On a scale of one to ten, what's the risk factor of destroying your computer?
post #4 of 7
??
My Home PC
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My Home PC
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AMD Opteron 165 "Denmark" MSI K8N neo4 Series GeForce 7600GT 2x512MB Dual-Channel 
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2x160GB in RAID0 2xDVD-MultiRecorders Windows XP SP2 17" MAG Innovision 
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CoolMax 
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post #5 of 7
DOWNload riva tuner, and raise speeds, but not too much, about 15% or so.
a clock speed is how fast processor (in this case, the GPU) can complete its tasks. the faster the clock speed, the more tasks it can complete in a given time. overclocking will make your card faster, and as long as you stay with in a safe range, maybe a 25% over clock AT MOST (probably just a 15% overclock), and nothing bad will happen. and if your card is made by XFX or BFG (it will say on the card who made it), then if your card does manage to break from oc'ing, theyll send you a new one for free. on a scale from 1 to 10 of your card breaking from oc'ing, id say much less than 1. but it wont detroy your computer. if you overclock too high, your pc will shut down to protect itself (ive had this happen)

enjoy!
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Ivy Bridge i5 @ 3.8ghz Asrock Z77 Pro3 EVGA GTX 770 w/ ACX Cooler G. Skill Sniper 16GB DDR3 1866 
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Gaming Rig
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Ivy Bridge i5 @ 3.8ghz Asrock Z77 Pro3 EVGA GTX 770 w/ ACX Cooler G. Skill Sniper 16GB DDR3 1866 
Hard DriveOptical DriveCoolingOS
90GB OCZ Vertex 2 SSD + 2TB HGST Deskstar 7K4000 Samsung 24x DVD RW Cooler Master Hyper 212+ Windows 10 x64 
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Samsung 226BW Logitech K360 Antec True Power Trio 550W Antec 300 Illusion 
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post #6 of 7
I know this is Overclock Dot Net, but overclocking an 8500GT is useless.
I have one, so I know
Mighty-iTX
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mATX
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Mighty-iTX
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One foot in..
(17 items)
 
mATX
(12 items)
 
CPUMotherboardGraphicsRAM
i7-4770K M7-Impact Strix GTX980 Samsung 
Hard DriveCoolingOSMonitor
Crucial M4 256 Glacer 240L W8.1 K272HUL 
KeyboardPowerCaseMouse
Saitek Seasonic X-650 Prodigy MX518 
CPUMotherboardGraphicsGraphics
4770K/45/43 Maximus VI Extreme R290X R290X 
RAMHard DriveHard DriveOptical Drive
Samsung Crucial M4 64GB RAIDR LSSWM 
CoolingOSMonitorKeyboard
Cooler Master Glacer 7 Ultimate 64 SyncMaster Eclipse 
PowerCaseMouseMouse Pad
XFX 1050 BE 600T Silver MX518 Desk 
CPUMotherboardGraphicsRAM
i5-4330 Z87 Gryphon GTX690 G.Skill RipJawsX 
Hard DriveCoolingOSMonitor
WD Blacks Hyper 212 W8.1 ACER 
KeyboardPowerCaseMouse
Logitech Ultra X3 1000w Corsair 230T Orange Razer 
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post #7 of 7
Thread Starter 
Well thank ya'll so much, maybe if I can work up enough balls to do it I'll try it. I have another question though, does overclocking directly affect your frames per second (FPS) or what? See, as nerdy as this may sound, I play a lot of high-end games on a pretty cheap machine, it's an
XPS 410.

Here's something I just recently found out...graphics card manufacturers print a higher wattage on their boxes so your card won't interfere with any other after-market accessories. Basically, you can run a high-end card on a rather low-end computer. For example, the 8800 GTX is said, by Nvidia, to require 450 watts minium. However, my XPS 410 which has a 375 watt power supply, can run the card problem free. I believe it only requires 165 watts, don't quote me on that though. This is because they want you to buy more products that require power from the same 375 watt power supply. Think of it as a buffer so people won't complain about trying to run a whole bunch of hardware upgrades and their computers not working properly.
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